mirror of
https://github.com/42wim/matterbridge.git
synced 2024-11-24 03:32:02 -08:00
16702 lines
412 KiB
ArmAsm
16702 lines
412 KiB
ArmAsm
// Code generated by command: go run gen.go -out ../encodeblock_amd64.s -stubs ../encodeblock_amd64.go -pkg=s2. DO NOT EDIT.
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//go:build !appengine && !noasm && gc && !noasm
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// +build !appengine,!noasm,gc,!noasm
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#include "textflag.h"
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// func encodeBlockAsm(dst []byte, src []byte) int
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// Requires: BMI, SSE2
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TEXT ·encodeBlockAsm(SB), $65560-56
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MOVQ dst_base+0(FP), AX
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MOVQ $0x00000200, CX
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LEAQ 24(SP), DX
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PXOR X0, X0
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zero_loop_encodeBlockAsm:
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MOVOU X0, (DX)
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MOVOU X0, 16(DX)
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MOVOU X0, 32(DX)
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MOVOU X0, 48(DX)
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MOVOU X0, 64(DX)
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MOVOU X0, 80(DX)
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MOVOU X0, 96(DX)
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MOVOU X0, 112(DX)
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ADDQ $0x80, DX
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DECQ CX
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JNZ zero_loop_encodeBlockAsm
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MOVL $0x00000000, 12(SP)
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MOVQ src_len+32(FP), CX
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LEAQ -9(CX), DX
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LEAQ -8(CX), SI
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MOVL SI, 8(SP)
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SHRQ $0x05, CX
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SUBL CX, DX
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LEAQ (AX)(DX*1), DX
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MOVQ DX, (SP)
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MOVL $0x00000001, CX
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MOVL CX, 16(SP)
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MOVQ src_base+24(FP), DX
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search_loop_encodeBlockAsm:
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MOVL CX, SI
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SUBL 12(SP), SI
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SHRL $0x06, SI
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LEAL 4(CX)(SI*1), SI
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CMPL SI, 8(SP)
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JGE emit_remainder_encodeBlockAsm
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MOVQ (DX)(CX*1), DI
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MOVL SI, 20(SP)
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MOVQ $0x0000cf1bbcdcbf9b, R9
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MOVQ DI, R10
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MOVQ DI, R11
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SHRQ $0x08, R11
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SHLQ $0x10, R10
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IMULQ R9, R10
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SHRQ $0x32, R10
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SHLQ $0x10, R11
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IMULQ R9, R11
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SHRQ $0x32, R11
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MOVL 24(SP)(R10*4), SI
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MOVL 24(SP)(R11*4), R8
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MOVL CX, 24(SP)(R10*4)
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LEAL 1(CX), R10
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MOVL R10, 24(SP)(R11*4)
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MOVQ DI, R10
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SHRQ $0x10, R10
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SHLQ $0x10, R10
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IMULQ R9, R10
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SHRQ $0x32, R10
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MOVL CX, R9
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SUBL 16(SP), R9
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MOVL 1(DX)(R9*1), R11
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MOVQ DI, R9
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SHRQ $0x08, R9
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CMPL R9, R11
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JNE no_repeat_found_encodeBlockAsm
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LEAL 1(CX), DI
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MOVL 12(SP), R8
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MOVL DI, SI
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SUBL 16(SP), SI
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JZ repeat_extend_back_end_encodeBlockAsm
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repeat_extend_back_loop_encodeBlockAsm:
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CMPL DI, R8
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JLE repeat_extend_back_end_encodeBlockAsm
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MOVB -1(DX)(SI*1), BL
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MOVB -1(DX)(DI*1), R9
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CMPB BL, R9
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JNE repeat_extend_back_end_encodeBlockAsm
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LEAL -1(DI), DI
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DECL SI
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JNZ repeat_extend_back_loop_encodeBlockAsm
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repeat_extend_back_end_encodeBlockAsm:
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MOVL 12(SP), SI
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CMPL SI, DI
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JEQ emit_literal_done_repeat_emit_encodeBlockAsm
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MOVL DI, R9
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MOVL DI, 12(SP)
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LEAQ (DX)(SI*1), R10
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SUBL SI, R9
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LEAL -1(R9), SI
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CMPL SI, $0x3c
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JLT one_byte_repeat_emit_encodeBlockAsm
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CMPL SI, $0x00000100
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JLT two_bytes_repeat_emit_encodeBlockAsm
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CMPL SI, $0x00010000
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JLT three_bytes_repeat_emit_encodeBlockAsm
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CMPL SI, $0x01000000
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JLT four_bytes_repeat_emit_encodeBlockAsm
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MOVB $0xfc, (AX)
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MOVL SI, 1(AX)
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ADDQ $0x05, AX
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JMP memmove_long_repeat_emit_encodeBlockAsm
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four_bytes_repeat_emit_encodeBlockAsm:
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MOVL SI, R11
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SHRL $0x10, R11
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MOVB $0xf8, (AX)
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MOVW SI, 1(AX)
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MOVB R11, 3(AX)
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ADDQ $0x04, AX
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JMP memmove_long_repeat_emit_encodeBlockAsm
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three_bytes_repeat_emit_encodeBlockAsm:
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MOVB $0xf4, (AX)
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MOVW SI, 1(AX)
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ADDQ $0x03, AX
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JMP memmove_long_repeat_emit_encodeBlockAsm
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two_bytes_repeat_emit_encodeBlockAsm:
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MOVB $0xf0, (AX)
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MOVB SI, 1(AX)
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ADDQ $0x02, AX
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CMPL SI, $0x40
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JL memmove_repeat_emit_encodeBlockAsm
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JMP memmove_long_repeat_emit_encodeBlockAsm
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one_byte_repeat_emit_encodeBlockAsm:
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SHLB $0x02, SI
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MOVB SI, (AX)
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ADDQ $0x01, AX
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memmove_repeat_emit_encodeBlockAsm:
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LEAQ (AX)(R9*1), SI
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// genMemMoveShort
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CMPQ R9, $0x08
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JLE emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_8
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CMPQ R9, $0x10
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JBE emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_8through16
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CMPQ R9, $0x20
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JBE emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_17through32
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JMP emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_33through64
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emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_8:
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MOVQ (R10), R11
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MOVQ R11, (AX)
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JMP memmove_end_copy_repeat_emit_encodeBlockAsm
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emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_8through16:
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MOVQ (R10), R11
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MOVQ -8(R10)(R9*1), R10
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MOVQ R11, (AX)
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MOVQ R10, -8(AX)(R9*1)
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JMP memmove_end_copy_repeat_emit_encodeBlockAsm
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emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_17through32:
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MOVOU (R10), X0
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MOVOU -16(R10)(R9*1), X1
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MOVOU X0, (AX)
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MOVOU X1, -16(AX)(R9*1)
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JMP memmove_end_copy_repeat_emit_encodeBlockAsm
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emit_lit_memmove_repeat_emit_encodeBlockAsm_memmove_move_33through64:
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MOVOU (R10), X0
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MOVOU 16(R10), X1
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MOVOU -32(R10)(R9*1), X2
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MOVOU -16(R10)(R9*1), X3
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MOVOU X0, (AX)
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MOVOU X1, 16(AX)
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MOVOU X2, -32(AX)(R9*1)
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MOVOU X3, -16(AX)(R9*1)
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memmove_end_copy_repeat_emit_encodeBlockAsm:
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MOVQ SI, AX
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JMP emit_literal_done_repeat_emit_encodeBlockAsm
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memmove_long_repeat_emit_encodeBlockAsm:
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LEAQ (AX)(R9*1), SI
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// genMemMoveLong
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MOVOU (R10), X0
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MOVOU 16(R10), X1
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MOVOU -32(R10)(R9*1), X2
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MOVOU -16(R10)(R9*1), X3
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MOVQ R9, R12
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SHRQ $0x05, R12
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MOVQ AX, R11
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ANDL $0x0000001f, R11
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MOVQ $0x00000040, R13
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SUBQ R11, R13
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DECQ R12
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JA emit_lit_memmove_long_repeat_emit_encodeBlockAsmlarge_forward_sse_loop_32
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LEAQ -32(R10)(R13*1), R11
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LEAQ -32(AX)(R13*1), R14
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emit_lit_memmove_long_repeat_emit_encodeBlockAsmlarge_big_loop_back:
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MOVOU (R11), X4
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MOVOU 16(R11), X5
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MOVOA X4, (R14)
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MOVOA X5, 16(R14)
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ADDQ $0x20, R14
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ADDQ $0x20, R11
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ADDQ $0x20, R13
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DECQ R12
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JNA emit_lit_memmove_long_repeat_emit_encodeBlockAsmlarge_big_loop_back
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emit_lit_memmove_long_repeat_emit_encodeBlockAsmlarge_forward_sse_loop_32:
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MOVOU -32(R10)(R13*1), X4
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MOVOU -16(R10)(R13*1), X5
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MOVOA X4, -32(AX)(R13*1)
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MOVOA X5, -16(AX)(R13*1)
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ADDQ $0x20, R13
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CMPQ R9, R13
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JAE emit_lit_memmove_long_repeat_emit_encodeBlockAsmlarge_forward_sse_loop_32
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MOVOU X0, (AX)
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MOVOU X1, 16(AX)
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MOVOU X2, -32(AX)(R9*1)
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MOVOU X3, -16(AX)(R9*1)
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MOVQ SI, AX
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emit_literal_done_repeat_emit_encodeBlockAsm:
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ADDL $0x05, CX
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MOVL CX, SI
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SUBL 16(SP), SI
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MOVQ src_len+32(FP), R9
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SUBL CX, R9
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LEAQ (DX)(CX*1), R10
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LEAQ (DX)(SI*1), SI
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// matchLen
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XORL R12, R12
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CMPL R9, $0x08
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JL matchlen_match4_repeat_extend_encodeBlockAsm
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matchlen_loopback_repeat_extend_encodeBlockAsm:
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MOVQ (R10)(R12*1), R11
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XORQ (SI)(R12*1), R11
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TESTQ R11, R11
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JZ matchlen_loop_repeat_extend_encodeBlockAsm
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#ifdef GOAMD64_v3
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TZCNTQ R11, R11
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#define TZCNTQ_EMITTED 1
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#endif
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#ifdef GOAMD64_v4
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TZCNTQ R11, R11
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#define TZCNTQ_EMITTED 1
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#endif
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#ifdef TZCNTQ_EMITTED
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#undef TZCNTQ_EMITTED
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#else
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BSFQ R11, R11
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#endif
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SARQ $0x03, R11
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LEAL (R12)(R11*1), R12
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JMP repeat_extend_forward_end_encodeBlockAsm
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matchlen_loop_repeat_extend_encodeBlockAsm:
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LEAL -8(R9), R9
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LEAL 8(R12), R12
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CMPL R9, $0x08
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JGE matchlen_loopback_repeat_extend_encodeBlockAsm
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JZ repeat_extend_forward_end_encodeBlockAsm
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matchlen_match4_repeat_extend_encodeBlockAsm:
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CMPL R9, $0x04
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JL matchlen_match2_repeat_extend_encodeBlockAsm
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MOVL (R10)(R12*1), R11
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CMPL (SI)(R12*1), R11
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JNE matchlen_match2_repeat_extend_encodeBlockAsm
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SUBL $0x04, R9
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LEAL 4(R12), R12
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matchlen_match2_repeat_extend_encodeBlockAsm:
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CMPL R9, $0x02
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JL matchlen_match1_repeat_extend_encodeBlockAsm
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MOVW (R10)(R12*1), R11
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CMPW (SI)(R12*1), R11
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JNE matchlen_match1_repeat_extend_encodeBlockAsm
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SUBL $0x02, R9
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LEAL 2(R12), R12
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matchlen_match1_repeat_extend_encodeBlockAsm:
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CMPL R9, $0x01
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JL repeat_extend_forward_end_encodeBlockAsm
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MOVB (R10)(R12*1), R11
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CMPB (SI)(R12*1), R11
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JNE repeat_extend_forward_end_encodeBlockAsm
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LEAL 1(R12), R12
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repeat_extend_forward_end_encodeBlockAsm:
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ADDL R12, CX
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MOVL CX, SI
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SUBL DI, SI
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MOVL 16(SP), DI
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TESTL R8, R8
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JZ repeat_as_copy_encodeBlockAsm
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// emitRepeat
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emit_repeat_again_match_repeat_encodeBlockAsm:
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MOVL SI, R8
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LEAL -4(SI), SI
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CMPL R8, $0x08
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JLE repeat_two_match_repeat_encodeBlockAsm
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CMPL R8, $0x0c
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JGE cant_repeat_two_offset_match_repeat_encodeBlockAsm
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CMPL DI, $0x00000800
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JLT repeat_two_offset_match_repeat_encodeBlockAsm
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cant_repeat_two_offset_match_repeat_encodeBlockAsm:
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CMPL SI, $0x00000104
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JLT repeat_three_match_repeat_encodeBlockAsm
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CMPL SI, $0x00010100
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JLT repeat_four_match_repeat_encodeBlockAsm
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CMPL SI, $0x0100ffff
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JLT repeat_five_match_repeat_encodeBlockAsm
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LEAL -16842747(SI), SI
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MOVW $0x001d, (AX)
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MOVW $0xfffb, 2(AX)
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MOVB $0xff, 4(AX)
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ADDQ $0x05, AX
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JMP emit_repeat_again_match_repeat_encodeBlockAsm
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repeat_five_match_repeat_encodeBlockAsm:
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LEAL -65536(SI), SI
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MOVL SI, DI
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MOVW $0x001d, (AX)
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MOVW SI, 2(AX)
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SARL $0x10, DI
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MOVB DI, 4(AX)
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ADDQ $0x05, AX
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JMP repeat_end_emit_encodeBlockAsm
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repeat_four_match_repeat_encodeBlockAsm:
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LEAL -256(SI), SI
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MOVW $0x0019, (AX)
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MOVW SI, 2(AX)
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ADDQ $0x04, AX
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JMP repeat_end_emit_encodeBlockAsm
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repeat_three_match_repeat_encodeBlockAsm:
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LEAL -4(SI), SI
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MOVW $0x0015, (AX)
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MOVB SI, 2(AX)
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ADDQ $0x03, AX
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JMP repeat_end_emit_encodeBlockAsm
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repeat_two_match_repeat_encodeBlockAsm:
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SHLL $0x02, SI
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ORL $0x01, SI
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MOVW SI, (AX)
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ADDQ $0x02, AX
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JMP repeat_end_emit_encodeBlockAsm
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repeat_two_offset_match_repeat_encodeBlockAsm:
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XORQ R8, R8
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LEAL 1(R8)(SI*4), SI
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MOVB DI, 1(AX)
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SARL $0x08, DI
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SHLL $0x05, DI
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ORL DI, SI
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MOVB SI, (AX)
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ADDQ $0x02, AX
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JMP repeat_end_emit_encodeBlockAsm
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repeat_as_copy_encodeBlockAsm:
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// emitCopy
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CMPL DI, $0x00010000
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JL two_byte_offset_repeat_as_copy_encodeBlockAsm
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four_bytes_loop_back_repeat_as_copy_encodeBlockAsm:
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CMPL SI, $0x40
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JLE four_bytes_remain_repeat_as_copy_encodeBlockAsm
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MOVB $0xff, (AX)
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MOVL DI, 1(AX)
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LEAL -64(SI), SI
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ADDQ $0x05, AX
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CMPL SI, $0x04
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JL four_bytes_remain_repeat_as_copy_encodeBlockAsm
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// emitRepeat
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emit_repeat_again_repeat_as_copy_encodeBlockAsm_emit_copy:
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MOVL SI, R8
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LEAL -4(SI), SI
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CMPL R8, $0x08
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JLE repeat_two_repeat_as_copy_encodeBlockAsm_emit_copy
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CMPL R8, $0x0c
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JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy
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CMPL DI, $0x00000800
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JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy
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cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy:
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CMPL SI, $0x00000104
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JLT repeat_three_repeat_as_copy_encodeBlockAsm_emit_copy
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CMPL SI, $0x00010100
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JLT repeat_four_repeat_as_copy_encodeBlockAsm_emit_copy
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CMPL SI, $0x0100ffff
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JLT repeat_five_repeat_as_copy_encodeBlockAsm_emit_copy
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LEAL -16842747(SI), SI
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MOVW $0x001d, (AX)
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MOVW $0xfffb, 2(AX)
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MOVB $0xff, 4(AX)
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ADDQ $0x05, AX
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JMP emit_repeat_again_repeat_as_copy_encodeBlockAsm_emit_copy
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repeat_five_repeat_as_copy_encodeBlockAsm_emit_copy:
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LEAL -65536(SI), SI
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MOVL SI, DI
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MOVW $0x001d, (AX)
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MOVW SI, 2(AX)
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SARL $0x10, DI
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MOVB DI, 4(AX)
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ADDQ $0x05, AX
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JMP repeat_end_emit_encodeBlockAsm
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repeat_four_repeat_as_copy_encodeBlockAsm_emit_copy:
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LEAL -256(SI), SI
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MOVW $0x0019, (AX)
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MOVW SI, 2(AX)
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ADDQ $0x04, AX
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JMP repeat_end_emit_encodeBlockAsm
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repeat_three_repeat_as_copy_encodeBlockAsm_emit_copy:
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LEAL -4(SI), SI
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MOVW $0x0015, (AX)
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MOVB SI, 2(AX)
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ADDQ $0x03, AX
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JMP repeat_end_emit_encodeBlockAsm
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repeat_two_repeat_as_copy_encodeBlockAsm_emit_copy:
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SHLL $0x02, SI
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ORL $0x01, SI
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MOVW SI, (AX)
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ADDQ $0x02, AX
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JMP repeat_end_emit_encodeBlockAsm
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repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy:
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XORQ R8, R8
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LEAL 1(R8)(SI*4), SI
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MOVB DI, 1(AX)
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SARL $0x08, DI
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SHLL $0x05, DI
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ORL DI, SI
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MOVB SI, (AX)
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ADDQ $0x02, AX
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JMP repeat_end_emit_encodeBlockAsm
|
|
JMP four_bytes_loop_back_repeat_as_copy_encodeBlockAsm
|
|
|
|
four_bytes_remain_repeat_as_copy_encodeBlockAsm:
|
|
TESTL SI, SI
|
|
JZ repeat_end_emit_encodeBlockAsm
|
|
MOVB $0x03, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVL DI, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP repeat_end_emit_encodeBlockAsm
|
|
|
|
two_byte_offset_repeat_as_copy_encodeBlockAsm:
|
|
CMPL SI, $0x40
|
|
JLE two_byte_offset_short_repeat_as_copy_encodeBlockAsm
|
|
MOVB $0xee, (AX)
|
|
MOVW DI, 1(AX)
|
|
LEAL -60(SI), SI
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
emit_repeat_again_repeat_as_copy_encodeBlockAsm_emit_copy_short:
|
|
MOVL SI, R8
|
|
LEAL -4(SI), SI
|
|
CMPL R8, $0x08
|
|
JLE repeat_two_repeat_as_copy_encodeBlockAsm_emit_copy_short
|
|
CMPL R8, $0x0c
|
|
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy_short
|
|
CMPL DI, $0x00000800
|
|
JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy_short
|
|
|
|
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy_short:
|
|
CMPL SI, $0x00000104
|
|
JLT repeat_three_repeat_as_copy_encodeBlockAsm_emit_copy_short
|
|
CMPL SI, $0x00010100
|
|
JLT repeat_four_repeat_as_copy_encodeBlockAsm_emit_copy_short
|
|
CMPL SI, $0x0100ffff
|
|
JLT repeat_five_repeat_as_copy_encodeBlockAsm_emit_copy_short
|
|
LEAL -16842747(SI), SI
|
|
MOVW $0x001d, (AX)
|
|
MOVW $0xfffb, 2(AX)
|
|
MOVB $0xff, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP emit_repeat_again_repeat_as_copy_encodeBlockAsm_emit_copy_short
|
|
|
|
repeat_five_repeat_as_copy_encodeBlockAsm_emit_copy_short:
|
|
LEAL -65536(SI), SI
|
|
MOVL SI, DI
|
|
MOVW $0x001d, (AX)
|
|
MOVW SI, 2(AX)
|
|
SARL $0x10, DI
|
|
MOVB DI, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP repeat_end_emit_encodeBlockAsm
|
|
|
|
repeat_four_repeat_as_copy_encodeBlockAsm_emit_copy_short:
|
|
LEAL -256(SI), SI
|
|
MOVW $0x0019, (AX)
|
|
MOVW SI, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP repeat_end_emit_encodeBlockAsm
|
|
|
|
repeat_three_repeat_as_copy_encodeBlockAsm_emit_copy_short:
|
|
LEAL -4(SI), SI
|
|
MOVW $0x0015, (AX)
|
|
MOVB SI, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP repeat_end_emit_encodeBlockAsm
|
|
|
|
repeat_two_repeat_as_copy_encodeBlockAsm_emit_copy_short:
|
|
SHLL $0x02, SI
|
|
ORL $0x01, SI
|
|
MOVW SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm
|
|
|
|
repeat_two_offset_repeat_as_copy_encodeBlockAsm_emit_copy_short:
|
|
XORQ R8, R8
|
|
LEAL 1(R8)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SARL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm
|
|
JMP two_byte_offset_repeat_as_copy_encodeBlockAsm
|
|
|
|
two_byte_offset_short_repeat_as_copy_encodeBlockAsm:
|
|
CMPL SI, $0x0c
|
|
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm
|
|
CMPL DI, $0x00000800
|
|
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SHRL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm
|
|
|
|
emit_copy_three_repeat_as_copy_encodeBlockAsm:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVW DI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
repeat_end_emit_encodeBlockAsm:
|
|
MOVL CX, 12(SP)
|
|
JMP search_loop_encodeBlockAsm
|
|
|
|
no_repeat_found_encodeBlockAsm:
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBlockAsm
|
|
SHRQ $0x08, DI
|
|
MOVL 24(SP)(R10*4), SI
|
|
LEAL 2(CX), R9
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidate2_match_encodeBlockAsm
|
|
MOVL R9, 24(SP)(R10*4)
|
|
SHRQ $0x08, DI
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate3_match_encodeBlockAsm
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeBlockAsm
|
|
|
|
candidate3_match_encodeBlockAsm:
|
|
ADDL $0x02, CX
|
|
JMP candidate_match_encodeBlockAsm
|
|
|
|
candidate2_match_encodeBlockAsm:
|
|
MOVL R9, 24(SP)(R10*4)
|
|
INCL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeBlockAsm:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeBlockAsm
|
|
|
|
match_extend_back_loop_encodeBlockAsm:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeBlockAsm
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeBlockAsm
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeBlockAsm
|
|
JMP match_extend_back_loop_encodeBlockAsm
|
|
|
|
match_extend_back_end_encodeBlockAsm:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 5(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeBlockAsm:
|
|
MOVL CX, DI
|
|
MOVL 12(SP), R8
|
|
CMPL R8, DI
|
|
JEQ emit_literal_done_match_emit_encodeBlockAsm
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(R8*1), DI
|
|
SUBL R8, R9
|
|
LEAL -1(R9), R8
|
|
CMPL R8, $0x3c
|
|
JLT one_byte_match_emit_encodeBlockAsm
|
|
CMPL R8, $0x00000100
|
|
JLT two_bytes_match_emit_encodeBlockAsm
|
|
CMPL R8, $0x00010000
|
|
JLT three_bytes_match_emit_encodeBlockAsm
|
|
CMPL R8, $0x01000000
|
|
JLT four_bytes_match_emit_encodeBlockAsm
|
|
MOVB $0xfc, (AX)
|
|
MOVL R8, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP memmove_long_match_emit_encodeBlockAsm
|
|
|
|
four_bytes_match_emit_encodeBlockAsm:
|
|
MOVL R8, R10
|
|
SHRL $0x10, R10
|
|
MOVB $0xf8, (AX)
|
|
MOVW R8, 1(AX)
|
|
MOVB R10, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_match_emit_encodeBlockAsm
|
|
|
|
three_bytes_match_emit_encodeBlockAsm:
|
|
MOVB $0xf4, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeBlockAsm
|
|
|
|
two_bytes_match_emit_encodeBlockAsm:
|
|
MOVB $0xf0, (AX)
|
|
MOVB R8, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL R8, $0x40
|
|
JL memmove_match_emit_encodeBlockAsm
|
|
JMP memmove_long_match_emit_encodeBlockAsm
|
|
|
|
one_byte_match_emit_encodeBlockAsm:
|
|
SHLB $0x02, R8
|
|
MOVB R8, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeBlockAsm:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_8:
|
|
MOVQ (DI), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_8through16:
|
|
MOVQ (DI), R10
|
|
MOVQ -8(DI)(R9*1), DI
|
|
MOVQ R10, (AX)
|
|
MOVQ DI, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_17through32:
|
|
MOVOU (DI), X0
|
|
MOVOU -16(DI)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm_memmove_move_33through64:
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeBlockAsm:
|
|
MOVQ R8, AX
|
|
JMP emit_literal_done_match_emit_encodeBlockAsm
|
|
|
|
memmove_long_match_emit_encodeBlockAsm:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveLong
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVQ R9, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_match_emit_encodeBlockAsmlarge_forward_sse_loop_32
|
|
LEAQ -32(DI)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBlockAsmlarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_match_emit_encodeBlockAsmlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBlockAsmlarge_forward_sse_loop_32:
|
|
MOVOU -32(DI)(R12*1), X4
|
|
MOVOU -16(DI)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R9, R12
|
|
JAE emit_lit_memmove_long_match_emit_encodeBlockAsmlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ R8, AX
|
|
|
|
emit_literal_done_match_emit_encodeBlockAsm:
|
|
match_nolit_loop_encodeBlockAsm:
|
|
MOVL CX, DI
|
|
SUBL SI, DI
|
|
MOVL DI, 16(SP)
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), DI
|
|
SUBL CX, DI
|
|
LEAQ (DX)(CX*1), R8
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R10, R10
|
|
CMPL DI, $0x08
|
|
JL matchlen_match4_match_nolit_encodeBlockAsm
|
|
|
|
matchlen_loopback_match_nolit_encodeBlockAsm:
|
|
MOVQ (R8)(R10*1), R9
|
|
XORQ (SI)(R10*1), R9
|
|
TESTQ R9, R9
|
|
JZ matchlen_loop_match_nolit_encodeBlockAsm
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R9, R9
|
|
|
|
#endif
|
|
SARQ $0x03, R9
|
|
LEAL (R10)(R9*1), R10
|
|
JMP match_nolit_end_encodeBlockAsm
|
|
|
|
matchlen_loop_match_nolit_encodeBlockAsm:
|
|
LEAL -8(DI), DI
|
|
LEAL 8(R10), R10
|
|
CMPL DI, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeBlockAsm
|
|
JZ match_nolit_end_encodeBlockAsm
|
|
|
|
matchlen_match4_match_nolit_encodeBlockAsm:
|
|
CMPL DI, $0x04
|
|
JL matchlen_match2_match_nolit_encodeBlockAsm
|
|
MOVL (R8)(R10*1), R9
|
|
CMPL (SI)(R10*1), R9
|
|
JNE matchlen_match2_match_nolit_encodeBlockAsm
|
|
SUBL $0x04, DI
|
|
LEAL 4(R10), R10
|
|
|
|
matchlen_match2_match_nolit_encodeBlockAsm:
|
|
CMPL DI, $0x02
|
|
JL matchlen_match1_match_nolit_encodeBlockAsm
|
|
MOVW (R8)(R10*1), R9
|
|
CMPW (SI)(R10*1), R9
|
|
JNE matchlen_match1_match_nolit_encodeBlockAsm
|
|
SUBL $0x02, DI
|
|
LEAL 2(R10), R10
|
|
|
|
matchlen_match1_match_nolit_encodeBlockAsm:
|
|
CMPL DI, $0x01
|
|
JL match_nolit_end_encodeBlockAsm
|
|
MOVB (R8)(R10*1), R9
|
|
CMPB (SI)(R10*1), R9
|
|
JNE match_nolit_end_encodeBlockAsm
|
|
LEAL 1(R10), R10
|
|
|
|
match_nolit_end_encodeBlockAsm:
|
|
ADDL R10, CX
|
|
MOVL 16(SP), SI
|
|
ADDL $0x04, R10
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
CMPL SI, $0x00010000
|
|
JL two_byte_offset_match_nolit_encodeBlockAsm
|
|
|
|
four_bytes_loop_back_match_nolit_encodeBlockAsm:
|
|
CMPL R10, $0x40
|
|
JLE four_bytes_remain_match_nolit_encodeBlockAsm
|
|
MOVB $0xff, (AX)
|
|
MOVL SI, 1(AX)
|
|
LEAL -64(R10), R10
|
|
ADDQ $0x05, AX
|
|
CMPL R10, $0x04
|
|
JL four_bytes_remain_match_nolit_encodeBlockAsm
|
|
|
|
// emitRepeat
|
|
emit_repeat_again_match_nolit_encodeBlockAsm_emit_copy:
|
|
MOVL R10, DI
|
|
LEAL -4(R10), R10
|
|
CMPL DI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBlockAsm_emit_copy
|
|
CMPL DI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy
|
|
CMPL SI, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy:
|
|
CMPL R10, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBlockAsm_emit_copy
|
|
CMPL R10, $0x00010100
|
|
JLT repeat_four_match_nolit_encodeBlockAsm_emit_copy
|
|
CMPL R10, $0x0100ffff
|
|
JLT repeat_five_match_nolit_encodeBlockAsm_emit_copy
|
|
LEAL -16842747(R10), R10
|
|
MOVW $0x001d, (AX)
|
|
MOVW $0xfffb, 2(AX)
|
|
MOVB $0xff, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP emit_repeat_again_match_nolit_encodeBlockAsm_emit_copy
|
|
|
|
repeat_five_match_nolit_encodeBlockAsm_emit_copy:
|
|
LEAL -65536(R10), R10
|
|
MOVL R10, SI
|
|
MOVW $0x001d, (AX)
|
|
MOVW R10, 2(AX)
|
|
SARL $0x10, SI
|
|
MOVB SI, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
|
|
repeat_four_match_nolit_encodeBlockAsm_emit_copy:
|
|
LEAL -256(R10), R10
|
|
MOVW $0x0019, (AX)
|
|
MOVW R10, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
|
|
repeat_three_match_nolit_encodeBlockAsm_emit_copy:
|
|
LEAL -4(R10), R10
|
|
MOVW $0x0015, (AX)
|
|
MOVB R10, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
|
|
repeat_two_match_nolit_encodeBlockAsm_emit_copy:
|
|
SHLL $0x02, R10
|
|
ORL $0x01, R10
|
|
MOVW R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
|
|
repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy:
|
|
XORQ DI, DI
|
|
LEAL 1(DI)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SARL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
JMP four_bytes_loop_back_match_nolit_encodeBlockAsm
|
|
|
|
four_bytes_remain_match_nolit_encodeBlockAsm:
|
|
TESTL R10, R10
|
|
JZ match_nolit_emitcopy_end_encodeBlockAsm
|
|
MOVB $0x03, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVL SI, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
|
|
two_byte_offset_match_nolit_encodeBlockAsm:
|
|
CMPL R10, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeBlockAsm
|
|
MOVB $0xee, (AX)
|
|
MOVW SI, 1(AX)
|
|
LEAL -60(R10), R10
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
emit_repeat_again_match_nolit_encodeBlockAsm_emit_copy_short:
|
|
MOVL R10, DI
|
|
LEAL -4(R10), R10
|
|
CMPL DI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBlockAsm_emit_copy_short
|
|
CMPL DI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy_short
|
|
CMPL SI, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy_short
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy_short:
|
|
CMPL R10, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBlockAsm_emit_copy_short
|
|
CMPL R10, $0x00010100
|
|
JLT repeat_four_match_nolit_encodeBlockAsm_emit_copy_short
|
|
CMPL R10, $0x0100ffff
|
|
JLT repeat_five_match_nolit_encodeBlockAsm_emit_copy_short
|
|
LEAL -16842747(R10), R10
|
|
MOVW $0x001d, (AX)
|
|
MOVW $0xfffb, 2(AX)
|
|
MOVB $0xff, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP emit_repeat_again_match_nolit_encodeBlockAsm_emit_copy_short
|
|
|
|
repeat_five_match_nolit_encodeBlockAsm_emit_copy_short:
|
|
LEAL -65536(R10), R10
|
|
MOVL R10, SI
|
|
MOVW $0x001d, (AX)
|
|
MOVW R10, 2(AX)
|
|
SARL $0x10, SI
|
|
MOVB SI, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
|
|
repeat_four_match_nolit_encodeBlockAsm_emit_copy_short:
|
|
LEAL -256(R10), R10
|
|
MOVW $0x0019, (AX)
|
|
MOVW R10, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
|
|
repeat_three_match_nolit_encodeBlockAsm_emit_copy_short:
|
|
LEAL -4(R10), R10
|
|
MOVW $0x0015, (AX)
|
|
MOVB R10, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
|
|
repeat_two_match_nolit_encodeBlockAsm_emit_copy_short:
|
|
SHLL $0x02, R10
|
|
ORL $0x01, R10
|
|
MOVW R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
|
|
repeat_two_offset_match_nolit_encodeBlockAsm_emit_copy_short:
|
|
XORQ DI, DI
|
|
LEAL 1(DI)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SARL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
JMP two_byte_offset_match_nolit_encodeBlockAsm
|
|
|
|
two_byte_offset_short_match_nolit_encodeBlockAsm:
|
|
CMPL R10, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeBlockAsm
|
|
CMPL SI, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeBlockAsm
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SHRL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm
|
|
|
|
emit_copy_three_match_nolit_encodeBlockAsm:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeBlockAsm:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeBlockAsm
|
|
MOVQ -2(DX)(CX*1), DI
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeBlockAsm:
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ DI, R8
|
|
SHRQ $0x10, DI
|
|
MOVQ DI, SI
|
|
SHLQ $0x10, R8
|
|
IMULQ R9, R8
|
|
SHRQ $0x32, R8
|
|
SHLQ $0x10, SI
|
|
IMULQ R9, SI
|
|
SHRQ $0x32, SI
|
|
LEAL -2(CX), R9
|
|
LEAQ 24(SP)(SI*4), R10
|
|
MOVL (R10), SI
|
|
MOVL R9, 24(SP)(R8*4)
|
|
MOVL CX, (R10)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ match_nolit_loop_encodeBlockAsm
|
|
INCL CX
|
|
JMP search_loop_encodeBlockAsm
|
|
|
|
emit_remainder_encodeBlockAsm:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 5(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeBlockAsm:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeBlockAsm
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeBlockAsm
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeBlockAsm
|
|
CMPL DX, $0x00010000
|
|
JLT three_bytes_emit_remainder_encodeBlockAsm
|
|
CMPL DX, $0x01000000
|
|
JLT four_bytes_emit_remainder_encodeBlockAsm
|
|
MOVB $0xfc, (AX)
|
|
MOVL DX, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm
|
|
|
|
four_bytes_emit_remainder_encodeBlockAsm:
|
|
MOVL DX, BX
|
|
SHRL $0x10, BX
|
|
MOVB $0xf8, (AX)
|
|
MOVW DX, 1(AX)
|
|
MOVB BL, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm
|
|
|
|
three_bytes_emit_remainder_encodeBlockAsm:
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm
|
|
|
|
two_bytes_emit_remainder_encodeBlockAsm:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeBlockAsm
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm
|
|
|
|
one_byte_emit_remainder_encodeBlockAsm:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeBlockAsm:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeBlockAsm:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeBlockAsm
|
|
|
|
memmove_long_emit_remainder_encodeBlockAsm:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeBlockAsmlarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBlockAsmlarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeBlockAsmlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBlockAsmlarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeBlockAsmlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeBlockAsm:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeBlockAsm4MB(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeBlockAsm4MB(SB), $65560-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000200, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeBlockAsm4MB:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeBlockAsm4MB
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL CX, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeBlockAsm4MB:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x06, SI
|
|
LEAL 4(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeBlockAsm4MB
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHRQ $0x08, R11
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x32, R10
|
|
SHLQ $0x10, R11
|
|
IMULQ R9, R11
|
|
SHRQ $0x32, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 24(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
LEAL 1(CX), R10
|
|
MOVL R10, 24(SP)(R11*4)
|
|
MOVQ DI, R10
|
|
SHRQ $0x10, R10
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x32, R10
|
|
MOVL CX, R9
|
|
SUBL 16(SP), R9
|
|
MOVL 1(DX)(R9*1), R11
|
|
MOVQ DI, R9
|
|
SHRQ $0x08, R9
|
|
CMPL R9, R11
|
|
JNE no_repeat_found_encodeBlockAsm4MB
|
|
LEAL 1(CX), DI
|
|
MOVL 12(SP), R8
|
|
MOVL DI, SI
|
|
SUBL 16(SP), SI
|
|
JZ repeat_extend_back_end_encodeBlockAsm4MB
|
|
|
|
repeat_extend_back_loop_encodeBlockAsm4MB:
|
|
CMPL DI, R8
|
|
JLE repeat_extend_back_end_encodeBlockAsm4MB
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(DI*1), R9
|
|
CMPB BL, R9
|
|
JNE repeat_extend_back_end_encodeBlockAsm4MB
|
|
LEAL -1(DI), DI
|
|
DECL SI
|
|
JNZ repeat_extend_back_loop_encodeBlockAsm4MB
|
|
|
|
repeat_extend_back_end_encodeBlockAsm4MB:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_repeat_emit_encodeBlockAsm4MB
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_repeat_emit_encodeBlockAsm4MB
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_repeat_emit_encodeBlockAsm4MB
|
|
CMPL SI, $0x00010000
|
|
JLT three_bytes_repeat_emit_encodeBlockAsm4MB
|
|
MOVL SI, R11
|
|
SHRL $0x10, R11
|
|
MOVB $0xf8, (AX)
|
|
MOVW SI, 1(AX)
|
|
MOVB R11, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_repeat_emit_encodeBlockAsm4MB
|
|
|
|
three_bytes_repeat_emit_encodeBlockAsm4MB:
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_repeat_emit_encodeBlockAsm4MB
|
|
|
|
two_bytes_repeat_emit_encodeBlockAsm4MB:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_repeat_emit_encodeBlockAsm4MB
|
|
JMP memmove_long_repeat_emit_encodeBlockAsm4MB
|
|
|
|
one_byte_repeat_emit_encodeBlockAsm4MB:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_repeat_emit_encodeBlockAsm4MB:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_17through32
|
|
JMP emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_33through64
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_8:
|
|
MOVQ (R10), R11
|
|
MOVQ R11, (AX)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm4MB
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm4MB
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm4MB
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm4MB_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_repeat_emit_encodeBlockAsm4MB:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_repeat_emit_encodeBlockAsm4MB
|
|
|
|
memmove_long_repeat_emit_encodeBlockAsm4MB:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R12
|
|
SHRQ $0x05, R12
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R13
|
|
SUBQ R11, R13
|
|
DECQ R12
|
|
JA emit_lit_memmove_long_repeat_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R13*1), R11
|
|
LEAQ -32(AX)(R13*1), R14
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeBlockAsm4MBlarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R14)
|
|
MOVOA X5, 16(R14)
|
|
ADDQ $0x20, R14
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R13
|
|
DECQ R12
|
|
JNA emit_lit_memmove_long_repeat_emit_encodeBlockAsm4MBlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R13*1), X4
|
|
MOVOU -16(R10)(R13*1), X5
|
|
MOVOA X4, -32(AX)(R13*1)
|
|
MOVOA X5, -16(AX)(R13*1)
|
|
ADDQ $0x20, R13
|
|
CMPQ R9, R13
|
|
JAE emit_lit_memmove_long_repeat_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_repeat_emit_encodeBlockAsm4MB:
|
|
ADDL $0x05, CX
|
|
MOVL CX, SI
|
|
SUBL 16(SP), SI
|
|
MOVQ src_len+32(FP), R9
|
|
SUBL CX, R9
|
|
LEAQ (DX)(CX*1), R10
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R9, $0x08
|
|
JL matchlen_match4_repeat_extend_encodeBlockAsm4MB
|
|
|
|
matchlen_loopback_repeat_extend_encodeBlockAsm4MB:
|
|
MOVQ (R10)(R12*1), R11
|
|
XORQ (SI)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_repeat_extend_encodeBlockAsm4MB
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP repeat_extend_forward_end_encodeBlockAsm4MB
|
|
|
|
matchlen_loop_repeat_extend_encodeBlockAsm4MB:
|
|
LEAL -8(R9), R9
|
|
LEAL 8(R12), R12
|
|
CMPL R9, $0x08
|
|
JGE matchlen_loopback_repeat_extend_encodeBlockAsm4MB
|
|
JZ repeat_extend_forward_end_encodeBlockAsm4MB
|
|
|
|
matchlen_match4_repeat_extend_encodeBlockAsm4MB:
|
|
CMPL R9, $0x04
|
|
JL matchlen_match2_repeat_extend_encodeBlockAsm4MB
|
|
MOVL (R10)(R12*1), R11
|
|
CMPL (SI)(R12*1), R11
|
|
JNE matchlen_match2_repeat_extend_encodeBlockAsm4MB
|
|
SUBL $0x04, R9
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_repeat_extend_encodeBlockAsm4MB:
|
|
CMPL R9, $0x02
|
|
JL matchlen_match1_repeat_extend_encodeBlockAsm4MB
|
|
MOVW (R10)(R12*1), R11
|
|
CMPW (SI)(R12*1), R11
|
|
JNE matchlen_match1_repeat_extend_encodeBlockAsm4MB
|
|
SUBL $0x02, R9
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_repeat_extend_encodeBlockAsm4MB:
|
|
CMPL R9, $0x01
|
|
JL repeat_extend_forward_end_encodeBlockAsm4MB
|
|
MOVB (R10)(R12*1), R11
|
|
CMPB (SI)(R12*1), R11
|
|
JNE repeat_extend_forward_end_encodeBlockAsm4MB
|
|
LEAL 1(R12), R12
|
|
|
|
repeat_extend_forward_end_encodeBlockAsm4MB:
|
|
ADDL R12, CX
|
|
MOVL CX, SI
|
|
SUBL DI, SI
|
|
MOVL 16(SP), DI
|
|
TESTL R8, R8
|
|
JZ repeat_as_copy_encodeBlockAsm4MB
|
|
|
|
// emitRepeat
|
|
MOVL SI, R8
|
|
LEAL -4(SI), SI
|
|
CMPL R8, $0x08
|
|
JLE repeat_two_match_repeat_encodeBlockAsm4MB
|
|
CMPL R8, $0x0c
|
|
JGE cant_repeat_two_offset_match_repeat_encodeBlockAsm4MB
|
|
CMPL DI, $0x00000800
|
|
JLT repeat_two_offset_match_repeat_encodeBlockAsm4MB
|
|
|
|
cant_repeat_two_offset_match_repeat_encodeBlockAsm4MB:
|
|
CMPL SI, $0x00000104
|
|
JLT repeat_three_match_repeat_encodeBlockAsm4MB
|
|
CMPL SI, $0x00010100
|
|
JLT repeat_four_match_repeat_encodeBlockAsm4MB
|
|
LEAL -65536(SI), SI
|
|
MOVL SI, DI
|
|
MOVW $0x001d, (AX)
|
|
MOVW SI, 2(AX)
|
|
SARL $0x10, DI
|
|
MOVB DI, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_four_match_repeat_encodeBlockAsm4MB:
|
|
LEAL -256(SI), SI
|
|
MOVW $0x0019, (AX)
|
|
MOVW SI, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_three_match_repeat_encodeBlockAsm4MB:
|
|
LEAL -4(SI), SI
|
|
MOVW $0x0015, (AX)
|
|
MOVB SI, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_two_match_repeat_encodeBlockAsm4MB:
|
|
SHLL $0x02, SI
|
|
ORL $0x01, SI
|
|
MOVW SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_two_offset_match_repeat_encodeBlockAsm4MB:
|
|
XORQ R8, R8
|
|
LEAL 1(R8)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SARL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_as_copy_encodeBlockAsm4MB:
|
|
// emitCopy
|
|
CMPL DI, $0x00010000
|
|
JL two_byte_offset_repeat_as_copy_encodeBlockAsm4MB
|
|
|
|
four_bytes_loop_back_repeat_as_copy_encodeBlockAsm4MB:
|
|
CMPL SI, $0x40
|
|
JLE four_bytes_remain_repeat_as_copy_encodeBlockAsm4MB
|
|
MOVB $0xff, (AX)
|
|
MOVL DI, 1(AX)
|
|
LEAL -64(SI), SI
|
|
ADDQ $0x05, AX
|
|
CMPL SI, $0x04
|
|
JL four_bytes_remain_repeat_as_copy_encodeBlockAsm4MB
|
|
|
|
// emitRepeat
|
|
MOVL SI, R8
|
|
LEAL -4(SI), SI
|
|
CMPL R8, $0x08
|
|
JLE repeat_two_repeat_as_copy_encodeBlockAsm4MB_emit_copy
|
|
CMPL R8, $0x0c
|
|
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy
|
|
CMPL DI, $0x00000800
|
|
JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy
|
|
|
|
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy:
|
|
CMPL SI, $0x00000104
|
|
JLT repeat_three_repeat_as_copy_encodeBlockAsm4MB_emit_copy
|
|
CMPL SI, $0x00010100
|
|
JLT repeat_four_repeat_as_copy_encodeBlockAsm4MB_emit_copy
|
|
LEAL -65536(SI), SI
|
|
MOVL SI, DI
|
|
MOVW $0x001d, (AX)
|
|
MOVW SI, 2(AX)
|
|
SARL $0x10, DI
|
|
MOVB DI, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_four_repeat_as_copy_encodeBlockAsm4MB_emit_copy:
|
|
LEAL -256(SI), SI
|
|
MOVW $0x0019, (AX)
|
|
MOVW SI, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_three_repeat_as_copy_encodeBlockAsm4MB_emit_copy:
|
|
LEAL -4(SI), SI
|
|
MOVW $0x0015, (AX)
|
|
MOVB SI, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_two_repeat_as_copy_encodeBlockAsm4MB_emit_copy:
|
|
SHLL $0x02, SI
|
|
ORL $0x01, SI
|
|
MOVW SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy:
|
|
XORQ R8, R8
|
|
LEAL 1(R8)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SARL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
JMP four_bytes_loop_back_repeat_as_copy_encodeBlockAsm4MB
|
|
|
|
four_bytes_remain_repeat_as_copy_encodeBlockAsm4MB:
|
|
TESTL SI, SI
|
|
JZ repeat_end_emit_encodeBlockAsm4MB
|
|
MOVB $0x03, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVL DI, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
two_byte_offset_repeat_as_copy_encodeBlockAsm4MB:
|
|
CMPL SI, $0x40
|
|
JLE two_byte_offset_short_repeat_as_copy_encodeBlockAsm4MB
|
|
MOVB $0xee, (AX)
|
|
MOVW DI, 1(AX)
|
|
LEAL -60(SI), SI
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL SI, R8
|
|
LEAL -4(SI), SI
|
|
CMPL R8, $0x08
|
|
JLE repeat_two_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short
|
|
CMPL R8, $0x0c
|
|
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short
|
|
CMPL DI, $0x00000800
|
|
JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short
|
|
|
|
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short:
|
|
CMPL SI, $0x00000104
|
|
JLT repeat_three_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short
|
|
CMPL SI, $0x00010100
|
|
JLT repeat_four_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short
|
|
LEAL -65536(SI), SI
|
|
MOVL SI, DI
|
|
MOVW $0x001d, (AX)
|
|
MOVW SI, 2(AX)
|
|
SARL $0x10, DI
|
|
MOVB DI, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_four_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short:
|
|
LEAL -256(SI), SI
|
|
MOVW $0x0019, (AX)
|
|
MOVW SI, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_three_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short:
|
|
LEAL -4(SI), SI
|
|
MOVW $0x0015, (AX)
|
|
MOVB SI, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_two_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short:
|
|
SHLL $0x02, SI
|
|
ORL $0x01, SI
|
|
MOVW SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
repeat_two_offset_repeat_as_copy_encodeBlockAsm4MB_emit_copy_short:
|
|
XORQ R8, R8
|
|
LEAL 1(R8)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SARL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
JMP two_byte_offset_repeat_as_copy_encodeBlockAsm4MB
|
|
|
|
two_byte_offset_short_repeat_as_copy_encodeBlockAsm4MB:
|
|
CMPL SI, $0x0c
|
|
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm4MB
|
|
CMPL DI, $0x00000800
|
|
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm4MB
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SHRL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm4MB
|
|
|
|
emit_copy_three_repeat_as_copy_encodeBlockAsm4MB:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVW DI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
repeat_end_emit_encodeBlockAsm4MB:
|
|
MOVL CX, 12(SP)
|
|
JMP search_loop_encodeBlockAsm4MB
|
|
|
|
no_repeat_found_encodeBlockAsm4MB:
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBlockAsm4MB
|
|
SHRQ $0x08, DI
|
|
MOVL 24(SP)(R10*4), SI
|
|
LEAL 2(CX), R9
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidate2_match_encodeBlockAsm4MB
|
|
MOVL R9, 24(SP)(R10*4)
|
|
SHRQ $0x08, DI
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate3_match_encodeBlockAsm4MB
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeBlockAsm4MB
|
|
|
|
candidate3_match_encodeBlockAsm4MB:
|
|
ADDL $0x02, CX
|
|
JMP candidate_match_encodeBlockAsm4MB
|
|
|
|
candidate2_match_encodeBlockAsm4MB:
|
|
MOVL R9, 24(SP)(R10*4)
|
|
INCL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeBlockAsm4MB:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeBlockAsm4MB
|
|
|
|
match_extend_back_loop_encodeBlockAsm4MB:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeBlockAsm4MB
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeBlockAsm4MB
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeBlockAsm4MB
|
|
JMP match_extend_back_loop_encodeBlockAsm4MB
|
|
|
|
match_extend_back_end_encodeBlockAsm4MB:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 4(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeBlockAsm4MB
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeBlockAsm4MB:
|
|
MOVL CX, DI
|
|
MOVL 12(SP), R8
|
|
CMPL R8, DI
|
|
JEQ emit_literal_done_match_emit_encodeBlockAsm4MB
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(R8*1), DI
|
|
SUBL R8, R9
|
|
LEAL -1(R9), R8
|
|
CMPL R8, $0x3c
|
|
JLT one_byte_match_emit_encodeBlockAsm4MB
|
|
CMPL R8, $0x00000100
|
|
JLT two_bytes_match_emit_encodeBlockAsm4MB
|
|
CMPL R8, $0x00010000
|
|
JLT three_bytes_match_emit_encodeBlockAsm4MB
|
|
MOVL R8, R10
|
|
SHRL $0x10, R10
|
|
MOVB $0xf8, (AX)
|
|
MOVW R8, 1(AX)
|
|
MOVB R10, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_match_emit_encodeBlockAsm4MB
|
|
|
|
three_bytes_match_emit_encodeBlockAsm4MB:
|
|
MOVB $0xf4, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeBlockAsm4MB
|
|
|
|
two_bytes_match_emit_encodeBlockAsm4MB:
|
|
MOVB $0xf0, (AX)
|
|
MOVB R8, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL R8, $0x40
|
|
JL memmove_match_emit_encodeBlockAsm4MB
|
|
JMP memmove_long_match_emit_encodeBlockAsm4MB
|
|
|
|
one_byte_match_emit_encodeBlockAsm4MB:
|
|
SHLB $0x02, R8
|
|
MOVB R8, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeBlockAsm4MB:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_8:
|
|
MOVQ (DI), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm4MB
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_8through16:
|
|
MOVQ (DI), R10
|
|
MOVQ -8(DI)(R9*1), DI
|
|
MOVQ R10, (AX)
|
|
MOVQ DI, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm4MB
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_17through32:
|
|
MOVOU (DI), X0
|
|
MOVOU -16(DI)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm4MB
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm4MB_memmove_move_33through64:
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeBlockAsm4MB:
|
|
MOVQ R8, AX
|
|
JMP emit_literal_done_match_emit_encodeBlockAsm4MB
|
|
|
|
memmove_long_match_emit_encodeBlockAsm4MB:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveLong
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVQ R9, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_match_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32
|
|
LEAQ -32(DI)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBlockAsm4MBlarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_match_emit_encodeBlockAsm4MBlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32:
|
|
MOVOU -32(DI)(R12*1), X4
|
|
MOVOU -16(DI)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R9, R12
|
|
JAE emit_lit_memmove_long_match_emit_encodeBlockAsm4MBlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ R8, AX
|
|
|
|
emit_literal_done_match_emit_encodeBlockAsm4MB:
|
|
match_nolit_loop_encodeBlockAsm4MB:
|
|
MOVL CX, DI
|
|
SUBL SI, DI
|
|
MOVL DI, 16(SP)
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), DI
|
|
SUBL CX, DI
|
|
LEAQ (DX)(CX*1), R8
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R10, R10
|
|
CMPL DI, $0x08
|
|
JL matchlen_match4_match_nolit_encodeBlockAsm4MB
|
|
|
|
matchlen_loopback_match_nolit_encodeBlockAsm4MB:
|
|
MOVQ (R8)(R10*1), R9
|
|
XORQ (SI)(R10*1), R9
|
|
TESTQ R9, R9
|
|
JZ matchlen_loop_match_nolit_encodeBlockAsm4MB
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R9, R9
|
|
|
|
#endif
|
|
SARQ $0x03, R9
|
|
LEAL (R10)(R9*1), R10
|
|
JMP match_nolit_end_encodeBlockAsm4MB
|
|
|
|
matchlen_loop_match_nolit_encodeBlockAsm4MB:
|
|
LEAL -8(DI), DI
|
|
LEAL 8(R10), R10
|
|
CMPL DI, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeBlockAsm4MB
|
|
JZ match_nolit_end_encodeBlockAsm4MB
|
|
|
|
matchlen_match4_match_nolit_encodeBlockAsm4MB:
|
|
CMPL DI, $0x04
|
|
JL matchlen_match2_match_nolit_encodeBlockAsm4MB
|
|
MOVL (R8)(R10*1), R9
|
|
CMPL (SI)(R10*1), R9
|
|
JNE matchlen_match2_match_nolit_encodeBlockAsm4MB
|
|
SUBL $0x04, DI
|
|
LEAL 4(R10), R10
|
|
|
|
matchlen_match2_match_nolit_encodeBlockAsm4MB:
|
|
CMPL DI, $0x02
|
|
JL matchlen_match1_match_nolit_encodeBlockAsm4MB
|
|
MOVW (R8)(R10*1), R9
|
|
CMPW (SI)(R10*1), R9
|
|
JNE matchlen_match1_match_nolit_encodeBlockAsm4MB
|
|
SUBL $0x02, DI
|
|
LEAL 2(R10), R10
|
|
|
|
matchlen_match1_match_nolit_encodeBlockAsm4MB:
|
|
CMPL DI, $0x01
|
|
JL match_nolit_end_encodeBlockAsm4MB
|
|
MOVB (R8)(R10*1), R9
|
|
CMPB (SI)(R10*1), R9
|
|
JNE match_nolit_end_encodeBlockAsm4MB
|
|
LEAL 1(R10), R10
|
|
|
|
match_nolit_end_encodeBlockAsm4MB:
|
|
ADDL R10, CX
|
|
MOVL 16(SP), SI
|
|
ADDL $0x04, R10
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
CMPL SI, $0x00010000
|
|
JL two_byte_offset_match_nolit_encodeBlockAsm4MB
|
|
|
|
four_bytes_loop_back_match_nolit_encodeBlockAsm4MB:
|
|
CMPL R10, $0x40
|
|
JLE four_bytes_remain_match_nolit_encodeBlockAsm4MB
|
|
MOVB $0xff, (AX)
|
|
MOVL SI, 1(AX)
|
|
LEAL -64(R10), R10
|
|
ADDQ $0x05, AX
|
|
CMPL R10, $0x04
|
|
JL four_bytes_remain_match_nolit_encodeBlockAsm4MB
|
|
|
|
// emitRepeat
|
|
MOVL R10, DI
|
|
LEAL -4(R10), R10
|
|
CMPL DI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBlockAsm4MB_emit_copy
|
|
CMPL DI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy
|
|
CMPL SI, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy:
|
|
CMPL R10, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBlockAsm4MB_emit_copy
|
|
CMPL R10, $0x00010100
|
|
JLT repeat_four_match_nolit_encodeBlockAsm4MB_emit_copy
|
|
LEAL -65536(R10), R10
|
|
MOVL R10, SI
|
|
MOVW $0x001d, (AX)
|
|
MOVW R10, 2(AX)
|
|
SARL $0x10, SI
|
|
MOVB SI, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
|
|
repeat_four_match_nolit_encodeBlockAsm4MB_emit_copy:
|
|
LEAL -256(R10), R10
|
|
MOVW $0x0019, (AX)
|
|
MOVW R10, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
|
|
repeat_three_match_nolit_encodeBlockAsm4MB_emit_copy:
|
|
LEAL -4(R10), R10
|
|
MOVW $0x0015, (AX)
|
|
MOVB R10, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
|
|
repeat_two_match_nolit_encodeBlockAsm4MB_emit_copy:
|
|
SHLL $0x02, R10
|
|
ORL $0x01, R10
|
|
MOVW R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
|
|
repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy:
|
|
XORQ DI, DI
|
|
LEAL 1(DI)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SARL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
JMP four_bytes_loop_back_match_nolit_encodeBlockAsm4MB
|
|
|
|
four_bytes_remain_match_nolit_encodeBlockAsm4MB:
|
|
TESTL R10, R10
|
|
JZ match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
MOVB $0x03, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVL SI, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
|
|
two_byte_offset_match_nolit_encodeBlockAsm4MB:
|
|
CMPL R10, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeBlockAsm4MB
|
|
MOVB $0xee, (AX)
|
|
MOVW SI, 1(AX)
|
|
LEAL -60(R10), R10
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL R10, DI
|
|
LEAL -4(R10), R10
|
|
CMPL DI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBlockAsm4MB_emit_copy_short
|
|
CMPL DI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy_short
|
|
CMPL SI, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy_short
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy_short:
|
|
CMPL R10, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBlockAsm4MB_emit_copy_short
|
|
CMPL R10, $0x00010100
|
|
JLT repeat_four_match_nolit_encodeBlockAsm4MB_emit_copy_short
|
|
LEAL -65536(R10), R10
|
|
MOVL R10, SI
|
|
MOVW $0x001d, (AX)
|
|
MOVW R10, 2(AX)
|
|
SARL $0x10, SI
|
|
MOVB SI, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
|
|
repeat_four_match_nolit_encodeBlockAsm4MB_emit_copy_short:
|
|
LEAL -256(R10), R10
|
|
MOVW $0x0019, (AX)
|
|
MOVW R10, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
|
|
repeat_three_match_nolit_encodeBlockAsm4MB_emit_copy_short:
|
|
LEAL -4(R10), R10
|
|
MOVW $0x0015, (AX)
|
|
MOVB R10, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
|
|
repeat_two_match_nolit_encodeBlockAsm4MB_emit_copy_short:
|
|
SHLL $0x02, R10
|
|
ORL $0x01, R10
|
|
MOVW R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
|
|
repeat_two_offset_match_nolit_encodeBlockAsm4MB_emit_copy_short:
|
|
XORQ DI, DI
|
|
LEAL 1(DI)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SARL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
JMP two_byte_offset_match_nolit_encodeBlockAsm4MB
|
|
|
|
two_byte_offset_short_match_nolit_encodeBlockAsm4MB:
|
|
CMPL R10, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeBlockAsm4MB
|
|
CMPL SI, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeBlockAsm4MB
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SHRL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm4MB
|
|
|
|
emit_copy_three_match_nolit_encodeBlockAsm4MB:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeBlockAsm4MB:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeBlockAsm4MB
|
|
MOVQ -2(DX)(CX*1), DI
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeBlockAsm4MB
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeBlockAsm4MB:
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ DI, R8
|
|
SHRQ $0x10, DI
|
|
MOVQ DI, SI
|
|
SHLQ $0x10, R8
|
|
IMULQ R9, R8
|
|
SHRQ $0x32, R8
|
|
SHLQ $0x10, SI
|
|
IMULQ R9, SI
|
|
SHRQ $0x32, SI
|
|
LEAL -2(CX), R9
|
|
LEAQ 24(SP)(SI*4), R10
|
|
MOVL (R10), SI
|
|
MOVL R9, 24(SP)(R8*4)
|
|
MOVL CX, (R10)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ match_nolit_loop_encodeBlockAsm4MB
|
|
INCL CX
|
|
JMP search_loop_encodeBlockAsm4MB
|
|
|
|
emit_remainder_encodeBlockAsm4MB:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 4(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeBlockAsm4MB
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeBlockAsm4MB:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeBlockAsm4MB
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeBlockAsm4MB
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeBlockAsm4MB
|
|
CMPL DX, $0x00010000
|
|
JLT three_bytes_emit_remainder_encodeBlockAsm4MB
|
|
MOVL DX, BX
|
|
SHRL $0x10, BX
|
|
MOVB $0xf8, (AX)
|
|
MOVW DX, 1(AX)
|
|
MOVB BL, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm4MB
|
|
|
|
three_bytes_emit_remainder_encodeBlockAsm4MB:
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm4MB
|
|
|
|
two_bytes_emit_remainder_encodeBlockAsm4MB:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeBlockAsm4MB
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm4MB
|
|
|
|
one_byte_emit_remainder_encodeBlockAsm4MB:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeBlockAsm4MB:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm4MB
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm4MB
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm4MB
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm4MB_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeBlockAsm4MB:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeBlockAsm4MB
|
|
|
|
memmove_long_emit_remainder_encodeBlockAsm4MB:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeBlockAsm4MBlarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBlockAsm4MBlarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeBlockAsm4MBlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBlockAsm4MBlarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeBlockAsm4MBlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeBlockAsm4MB:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeBlockAsm12B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeBlockAsm12B(SB), $16408-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000080, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeBlockAsm12B:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeBlockAsm12B
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL CX, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeBlockAsm12B:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x05, SI
|
|
LEAL 4(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeBlockAsm12B
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x000000cf1bbcdcbb, R9
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHRQ $0x08, R11
|
|
SHLQ $0x18, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x34, R10
|
|
SHLQ $0x18, R11
|
|
IMULQ R9, R11
|
|
SHRQ $0x34, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 24(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
LEAL 1(CX), R10
|
|
MOVL R10, 24(SP)(R11*4)
|
|
MOVQ DI, R10
|
|
SHRQ $0x10, R10
|
|
SHLQ $0x18, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x34, R10
|
|
MOVL CX, R9
|
|
SUBL 16(SP), R9
|
|
MOVL 1(DX)(R9*1), R11
|
|
MOVQ DI, R9
|
|
SHRQ $0x08, R9
|
|
CMPL R9, R11
|
|
JNE no_repeat_found_encodeBlockAsm12B
|
|
LEAL 1(CX), DI
|
|
MOVL 12(SP), R8
|
|
MOVL DI, SI
|
|
SUBL 16(SP), SI
|
|
JZ repeat_extend_back_end_encodeBlockAsm12B
|
|
|
|
repeat_extend_back_loop_encodeBlockAsm12B:
|
|
CMPL DI, R8
|
|
JLE repeat_extend_back_end_encodeBlockAsm12B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(DI*1), R9
|
|
CMPB BL, R9
|
|
JNE repeat_extend_back_end_encodeBlockAsm12B
|
|
LEAL -1(DI), DI
|
|
DECL SI
|
|
JNZ repeat_extend_back_loop_encodeBlockAsm12B
|
|
|
|
repeat_extend_back_end_encodeBlockAsm12B:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_repeat_emit_encodeBlockAsm12B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_repeat_emit_encodeBlockAsm12B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_repeat_emit_encodeBlockAsm12B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_repeat_emit_encodeBlockAsm12B
|
|
|
|
two_bytes_repeat_emit_encodeBlockAsm12B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_repeat_emit_encodeBlockAsm12B
|
|
JMP memmove_long_repeat_emit_encodeBlockAsm12B
|
|
|
|
one_byte_repeat_emit_encodeBlockAsm12B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_repeat_emit_encodeBlockAsm12B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_17through32
|
|
JMP emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_8:
|
|
MOVQ (R10), R11
|
|
MOVQ R11, (AX)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm12B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm12B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm12B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm12B_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_repeat_emit_encodeBlockAsm12B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_repeat_emit_encodeBlockAsm12B
|
|
|
|
memmove_long_repeat_emit_encodeBlockAsm12B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R12
|
|
SHRQ $0x05, R12
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R13
|
|
SUBQ R11, R13
|
|
DECQ R12
|
|
JA emit_lit_memmove_long_repeat_emit_encodeBlockAsm12Blarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R13*1), R11
|
|
LEAQ -32(AX)(R13*1), R14
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeBlockAsm12Blarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R14)
|
|
MOVOA X5, 16(R14)
|
|
ADDQ $0x20, R14
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R13
|
|
DECQ R12
|
|
JNA emit_lit_memmove_long_repeat_emit_encodeBlockAsm12Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeBlockAsm12Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R13*1), X4
|
|
MOVOU -16(R10)(R13*1), X5
|
|
MOVOA X4, -32(AX)(R13*1)
|
|
MOVOA X5, -16(AX)(R13*1)
|
|
ADDQ $0x20, R13
|
|
CMPQ R9, R13
|
|
JAE emit_lit_memmove_long_repeat_emit_encodeBlockAsm12Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_repeat_emit_encodeBlockAsm12B:
|
|
ADDL $0x05, CX
|
|
MOVL CX, SI
|
|
SUBL 16(SP), SI
|
|
MOVQ src_len+32(FP), R9
|
|
SUBL CX, R9
|
|
LEAQ (DX)(CX*1), R10
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R9, $0x08
|
|
JL matchlen_match4_repeat_extend_encodeBlockAsm12B
|
|
|
|
matchlen_loopback_repeat_extend_encodeBlockAsm12B:
|
|
MOVQ (R10)(R12*1), R11
|
|
XORQ (SI)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_repeat_extend_encodeBlockAsm12B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP repeat_extend_forward_end_encodeBlockAsm12B
|
|
|
|
matchlen_loop_repeat_extend_encodeBlockAsm12B:
|
|
LEAL -8(R9), R9
|
|
LEAL 8(R12), R12
|
|
CMPL R9, $0x08
|
|
JGE matchlen_loopback_repeat_extend_encodeBlockAsm12B
|
|
JZ repeat_extend_forward_end_encodeBlockAsm12B
|
|
|
|
matchlen_match4_repeat_extend_encodeBlockAsm12B:
|
|
CMPL R9, $0x04
|
|
JL matchlen_match2_repeat_extend_encodeBlockAsm12B
|
|
MOVL (R10)(R12*1), R11
|
|
CMPL (SI)(R12*1), R11
|
|
JNE matchlen_match2_repeat_extend_encodeBlockAsm12B
|
|
SUBL $0x04, R9
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_repeat_extend_encodeBlockAsm12B:
|
|
CMPL R9, $0x02
|
|
JL matchlen_match1_repeat_extend_encodeBlockAsm12B
|
|
MOVW (R10)(R12*1), R11
|
|
CMPW (SI)(R12*1), R11
|
|
JNE matchlen_match1_repeat_extend_encodeBlockAsm12B
|
|
SUBL $0x02, R9
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_repeat_extend_encodeBlockAsm12B:
|
|
CMPL R9, $0x01
|
|
JL repeat_extend_forward_end_encodeBlockAsm12B
|
|
MOVB (R10)(R12*1), R11
|
|
CMPB (SI)(R12*1), R11
|
|
JNE repeat_extend_forward_end_encodeBlockAsm12B
|
|
LEAL 1(R12), R12
|
|
|
|
repeat_extend_forward_end_encodeBlockAsm12B:
|
|
ADDL R12, CX
|
|
MOVL CX, SI
|
|
SUBL DI, SI
|
|
MOVL 16(SP), DI
|
|
TESTL R8, R8
|
|
JZ repeat_as_copy_encodeBlockAsm12B
|
|
|
|
// emitRepeat
|
|
MOVL SI, R8
|
|
LEAL -4(SI), SI
|
|
CMPL R8, $0x08
|
|
JLE repeat_two_match_repeat_encodeBlockAsm12B
|
|
CMPL R8, $0x0c
|
|
JGE cant_repeat_two_offset_match_repeat_encodeBlockAsm12B
|
|
CMPL DI, $0x00000800
|
|
JLT repeat_two_offset_match_repeat_encodeBlockAsm12B
|
|
|
|
cant_repeat_two_offset_match_repeat_encodeBlockAsm12B:
|
|
CMPL SI, $0x00000104
|
|
JLT repeat_three_match_repeat_encodeBlockAsm12B
|
|
LEAL -256(SI), SI
|
|
MOVW $0x0019, (AX)
|
|
MOVW SI, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP repeat_end_emit_encodeBlockAsm12B
|
|
|
|
repeat_three_match_repeat_encodeBlockAsm12B:
|
|
LEAL -4(SI), SI
|
|
MOVW $0x0015, (AX)
|
|
MOVB SI, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP repeat_end_emit_encodeBlockAsm12B
|
|
|
|
repeat_two_match_repeat_encodeBlockAsm12B:
|
|
SHLL $0x02, SI
|
|
ORL $0x01, SI
|
|
MOVW SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm12B
|
|
|
|
repeat_two_offset_match_repeat_encodeBlockAsm12B:
|
|
XORQ R8, R8
|
|
LEAL 1(R8)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SARL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm12B
|
|
|
|
repeat_as_copy_encodeBlockAsm12B:
|
|
// emitCopy
|
|
two_byte_offset_repeat_as_copy_encodeBlockAsm12B:
|
|
CMPL SI, $0x40
|
|
JLE two_byte_offset_short_repeat_as_copy_encodeBlockAsm12B
|
|
MOVB $0xee, (AX)
|
|
MOVW DI, 1(AX)
|
|
LEAL -60(SI), SI
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL SI, R8
|
|
LEAL -4(SI), SI
|
|
CMPL R8, $0x08
|
|
JLE repeat_two_repeat_as_copy_encodeBlockAsm12B_emit_copy_short
|
|
CMPL R8, $0x0c
|
|
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm12B_emit_copy_short
|
|
CMPL DI, $0x00000800
|
|
JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm12B_emit_copy_short
|
|
|
|
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm12B_emit_copy_short:
|
|
CMPL SI, $0x00000104
|
|
JLT repeat_three_repeat_as_copy_encodeBlockAsm12B_emit_copy_short
|
|
LEAL -256(SI), SI
|
|
MOVW $0x0019, (AX)
|
|
MOVW SI, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP repeat_end_emit_encodeBlockAsm12B
|
|
|
|
repeat_three_repeat_as_copy_encodeBlockAsm12B_emit_copy_short:
|
|
LEAL -4(SI), SI
|
|
MOVW $0x0015, (AX)
|
|
MOVB SI, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP repeat_end_emit_encodeBlockAsm12B
|
|
|
|
repeat_two_repeat_as_copy_encodeBlockAsm12B_emit_copy_short:
|
|
SHLL $0x02, SI
|
|
ORL $0x01, SI
|
|
MOVW SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm12B
|
|
|
|
repeat_two_offset_repeat_as_copy_encodeBlockAsm12B_emit_copy_short:
|
|
XORQ R8, R8
|
|
LEAL 1(R8)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SARL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm12B
|
|
JMP two_byte_offset_repeat_as_copy_encodeBlockAsm12B
|
|
|
|
two_byte_offset_short_repeat_as_copy_encodeBlockAsm12B:
|
|
CMPL SI, $0x0c
|
|
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm12B
|
|
CMPL DI, $0x00000800
|
|
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm12B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SHRL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm12B
|
|
|
|
emit_copy_three_repeat_as_copy_encodeBlockAsm12B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVW DI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
repeat_end_emit_encodeBlockAsm12B:
|
|
MOVL CX, 12(SP)
|
|
JMP search_loop_encodeBlockAsm12B
|
|
|
|
no_repeat_found_encodeBlockAsm12B:
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBlockAsm12B
|
|
SHRQ $0x08, DI
|
|
MOVL 24(SP)(R10*4), SI
|
|
LEAL 2(CX), R9
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidate2_match_encodeBlockAsm12B
|
|
MOVL R9, 24(SP)(R10*4)
|
|
SHRQ $0x08, DI
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate3_match_encodeBlockAsm12B
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeBlockAsm12B
|
|
|
|
candidate3_match_encodeBlockAsm12B:
|
|
ADDL $0x02, CX
|
|
JMP candidate_match_encodeBlockAsm12B
|
|
|
|
candidate2_match_encodeBlockAsm12B:
|
|
MOVL R9, 24(SP)(R10*4)
|
|
INCL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeBlockAsm12B:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeBlockAsm12B
|
|
|
|
match_extend_back_loop_encodeBlockAsm12B:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeBlockAsm12B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeBlockAsm12B
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeBlockAsm12B
|
|
JMP match_extend_back_loop_encodeBlockAsm12B
|
|
|
|
match_extend_back_end_encodeBlockAsm12B:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeBlockAsm12B:
|
|
MOVL CX, DI
|
|
MOVL 12(SP), R8
|
|
CMPL R8, DI
|
|
JEQ emit_literal_done_match_emit_encodeBlockAsm12B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(R8*1), DI
|
|
SUBL R8, R9
|
|
LEAL -1(R9), R8
|
|
CMPL R8, $0x3c
|
|
JLT one_byte_match_emit_encodeBlockAsm12B
|
|
CMPL R8, $0x00000100
|
|
JLT two_bytes_match_emit_encodeBlockAsm12B
|
|
MOVB $0xf4, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeBlockAsm12B
|
|
|
|
two_bytes_match_emit_encodeBlockAsm12B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB R8, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL R8, $0x40
|
|
JL memmove_match_emit_encodeBlockAsm12B
|
|
JMP memmove_long_match_emit_encodeBlockAsm12B
|
|
|
|
one_byte_match_emit_encodeBlockAsm12B:
|
|
SHLB $0x02, R8
|
|
MOVB R8, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeBlockAsm12B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_8:
|
|
MOVQ (DI), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_8through16:
|
|
MOVQ (DI), R10
|
|
MOVQ -8(DI)(R9*1), DI
|
|
MOVQ R10, (AX)
|
|
MOVQ DI, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_17through32:
|
|
MOVOU (DI), X0
|
|
MOVOU -16(DI)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm12B_memmove_move_33through64:
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeBlockAsm12B:
|
|
MOVQ R8, AX
|
|
JMP emit_literal_done_match_emit_encodeBlockAsm12B
|
|
|
|
memmove_long_match_emit_encodeBlockAsm12B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveLong
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVQ R9, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_match_emit_encodeBlockAsm12Blarge_forward_sse_loop_32
|
|
LEAQ -32(DI)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBlockAsm12Blarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_match_emit_encodeBlockAsm12Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBlockAsm12Blarge_forward_sse_loop_32:
|
|
MOVOU -32(DI)(R12*1), X4
|
|
MOVOU -16(DI)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R9, R12
|
|
JAE emit_lit_memmove_long_match_emit_encodeBlockAsm12Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ R8, AX
|
|
|
|
emit_literal_done_match_emit_encodeBlockAsm12B:
|
|
match_nolit_loop_encodeBlockAsm12B:
|
|
MOVL CX, DI
|
|
SUBL SI, DI
|
|
MOVL DI, 16(SP)
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), DI
|
|
SUBL CX, DI
|
|
LEAQ (DX)(CX*1), R8
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R10, R10
|
|
CMPL DI, $0x08
|
|
JL matchlen_match4_match_nolit_encodeBlockAsm12B
|
|
|
|
matchlen_loopback_match_nolit_encodeBlockAsm12B:
|
|
MOVQ (R8)(R10*1), R9
|
|
XORQ (SI)(R10*1), R9
|
|
TESTQ R9, R9
|
|
JZ matchlen_loop_match_nolit_encodeBlockAsm12B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R9, R9
|
|
|
|
#endif
|
|
SARQ $0x03, R9
|
|
LEAL (R10)(R9*1), R10
|
|
JMP match_nolit_end_encodeBlockAsm12B
|
|
|
|
matchlen_loop_match_nolit_encodeBlockAsm12B:
|
|
LEAL -8(DI), DI
|
|
LEAL 8(R10), R10
|
|
CMPL DI, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeBlockAsm12B
|
|
JZ match_nolit_end_encodeBlockAsm12B
|
|
|
|
matchlen_match4_match_nolit_encodeBlockAsm12B:
|
|
CMPL DI, $0x04
|
|
JL matchlen_match2_match_nolit_encodeBlockAsm12B
|
|
MOVL (R8)(R10*1), R9
|
|
CMPL (SI)(R10*1), R9
|
|
JNE matchlen_match2_match_nolit_encodeBlockAsm12B
|
|
SUBL $0x04, DI
|
|
LEAL 4(R10), R10
|
|
|
|
matchlen_match2_match_nolit_encodeBlockAsm12B:
|
|
CMPL DI, $0x02
|
|
JL matchlen_match1_match_nolit_encodeBlockAsm12B
|
|
MOVW (R8)(R10*1), R9
|
|
CMPW (SI)(R10*1), R9
|
|
JNE matchlen_match1_match_nolit_encodeBlockAsm12B
|
|
SUBL $0x02, DI
|
|
LEAL 2(R10), R10
|
|
|
|
matchlen_match1_match_nolit_encodeBlockAsm12B:
|
|
CMPL DI, $0x01
|
|
JL match_nolit_end_encodeBlockAsm12B
|
|
MOVB (R8)(R10*1), R9
|
|
CMPB (SI)(R10*1), R9
|
|
JNE match_nolit_end_encodeBlockAsm12B
|
|
LEAL 1(R10), R10
|
|
|
|
match_nolit_end_encodeBlockAsm12B:
|
|
ADDL R10, CX
|
|
MOVL 16(SP), SI
|
|
ADDL $0x04, R10
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeBlockAsm12B:
|
|
CMPL R10, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeBlockAsm12B
|
|
MOVB $0xee, (AX)
|
|
MOVW SI, 1(AX)
|
|
LEAL -60(R10), R10
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL R10, DI
|
|
LEAL -4(R10), R10
|
|
CMPL DI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBlockAsm12B_emit_copy_short
|
|
CMPL DI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm12B_emit_copy_short
|
|
CMPL SI, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBlockAsm12B_emit_copy_short
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBlockAsm12B_emit_copy_short:
|
|
CMPL R10, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBlockAsm12B_emit_copy_short
|
|
LEAL -256(R10), R10
|
|
MOVW $0x0019, (AX)
|
|
MOVW R10, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm12B
|
|
|
|
repeat_three_match_nolit_encodeBlockAsm12B_emit_copy_short:
|
|
LEAL -4(R10), R10
|
|
MOVW $0x0015, (AX)
|
|
MOVB R10, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm12B
|
|
|
|
repeat_two_match_nolit_encodeBlockAsm12B_emit_copy_short:
|
|
SHLL $0x02, R10
|
|
ORL $0x01, R10
|
|
MOVW R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm12B
|
|
|
|
repeat_two_offset_match_nolit_encodeBlockAsm12B_emit_copy_short:
|
|
XORQ DI, DI
|
|
LEAL 1(DI)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SARL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm12B
|
|
JMP two_byte_offset_match_nolit_encodeBlockAsm12B
|
|
|
|
two_byte_offset_short_match_nolit_encodeBlockAsm12B:
|
|
CMPL R10, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeBlockAsm12B
|
|
CMPL SI, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeBlockAsm12B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SHRL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm12B
|
|
|
|
emit_copy_three_match_nolit_encodeBlockAsm12B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeBlockAsm12B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeBlockAsm12B
|
|
MOVQ -2(DX)(CX*1), DI
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeBlockAsm12B:
|
|
MOVQ $0x000000cf1bbcdcbb, R9
|
|
MOVQ DI, R8
|
|
SHRQ $0x10, DI
|
|
MOVQ DI, SI
|
|
SHLQ $0x18, R8
|
|
IMULQ R9, R8
|
|
SHRQ $0x34, R8
|
|
SHLQ $0x18, SI
|
|
IMULQ R9, SI
|
|
SHRQ $0x34, SI
|
|
LEAL -2(CX), R9
|
|
LEAQ 24(SP)(SI*4), R10
|
|
MOVL (R10), SI
|
|
MOVL R9, 24(SP)(R8*4)
|
|
MOVL CX, (R10)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ match_nolit_loop_encodeBlockAsm12B
|
|
INCL CX
|
|
JMP search_loop_encodeBlockAsm12B
|
|
|
|
emit_remainder_encodeBlockAsm12B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeBlockAsm12B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeBlockAsm12B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeBlockAsm12B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeBlockAsm12B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm12B
|
|
|
|
two_bytes_emit_remainder_encodeBlockAsm12B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeBlockAsm12B
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm12B
|
|
|
|
one_byte_emit_remainder_encodeBlockAsm12B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeBlockAsm12B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm12B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeBlockAsm12B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeBlockAsm12B
|
|
|
|
memmove_long_emit_remainder_encodeBlockAsm12B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeBlockAsm12Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBlockAsm12Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeBlockAsm12Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBlockAsm12Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeBlockAsm12Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeBlockAsm12B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeBlockAsm10B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeBlockAsm10B(SB), $4120-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000020, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeBlockAsm10B:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeBlockAsm10B
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL CX, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeBlockAsm10B:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x05, SI
|
|
LEAL 4(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeBlockAsm10B
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x9e3779b1, R9
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHRQ $0x08, R11
|
|
SHLQ $0x20, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x36, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R9, R11
|
|
SHRQ $0x36, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 24(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
LEAL 1(CX), R10
|
|
MOVL R10, 24(SP)(R11*4)
|
|
MOVQ DI, R10
|
|
SHRQ $0x10, R10
|
|
SHLQ $0x20, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x36, R10
|
|
MOVL CX, R9
|
|
SUBL 16(SP), R9
|
|
MOVL 1(DX)(R9*1), R11
|
|
MOVQ DI, R9
|
|
SHRQ $0x08, R9
|
|
CMPL R9, R11
|
|
JNE no_repeat_found_encodeBlockAsm10B
|
|
LEAL 1(CX), DI
|
|
MOVL 12(SP), R8
|
|
MOVL DI, SI
|
|
SUBL 16(SP), SI
|
|
JZ repeat_extend_back_end_encodeBlockAsm10B
|
|
|
|
repeat_extend_back_loop_encodeBlockAsm10B:
|
|
CMPL DI, R8
|
|
JLE repeat_extend_back_end_encodeBlockAsm10B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(DI*1), R9
|
|
CMPB BL, R9
|
|
JNE repeat_extend_back_end_encodeBlockAsm10B
|
|
LEAL -1(DI), DI
|
|
DECL SI
|
|
JNZ repeat_extend_back_loop_encodeBlockAsm10B
|
|
|
|
repeat_extend_back_end_encodeBlockAsm10B:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_repeat_emit_encodeBlockAsm10B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_repeat_emit_encodeBlockAsm10B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_repeat_emit_encodeBlockAsm10B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_repeat_emit_encodeBlockAsm10B
|
|
|
|
two_bytes_repeat_emit_encodeBlockAsm10B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_repeat_emit_encodeBlockAsm10B
|
|
JMP memmove_long_repeat_emit_encodeBlockAsm10B
|
|
|
|
one_byte_repeat_emit_encodeBlockAsm10B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_repeat_emit_encodeBlockAsm10B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_17through32
|
|
JMP emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_8:
|
|
MOVQ (R10), R11
|
|
MOVQ R11, (AX)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm10B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm10B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm10B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm10B_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_repeat_emit_encodeBlockAsm10B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_repeat_emit_encodeBlockAsm10B
|
|
|
|
memmove_long_repeat_emit_encodeBlockAsm10B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R12
|
|
SHRQ $0x05, R12
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R13
|
|
SUBQ R11, R13
|
|
DECQ R12
|
|
JA emit_lit_memmove_long_repeat_emit_encodeBlockAsm10Blarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R13*1), R11
|
|
LEAQ -32(AX)(R13*1), R14
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeBlockAsm10Blarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R14)
|
|
MOVOA X5, 16(R14)
|
|
ADDQ $0x20, R14
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R13
|
|
DECQ R12
|
|
JNA emit_lit_memmove_long_repeat_emit_encodeBlockAsm10Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeBlockAsm10Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R13*1), X4
|
|
MOVOU -16(R10)(R13*1), X5
|
|
MOVOA X4, -32(AX)(R13*1)
|
|
MOVOA X5, -16(AX)(R13*1)
|
|
ADDQ $0x20, R13
|
|
CMPQ R9, R13
|
|
JAE emit_lit_memmove_long_repeat_emit_encodeBlockAsm10Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_repeat_emit_encodeBlockAsm10B:
|
|
ADDL $0x05, CX
|
|
MOVL CX, SI
|
|
SUBL 16(SP), SI
|
|
MOVQ src_len+32(FP), R9
|
|
SUBL CX, R9
|
|
LEAQ (DX)(CX*1), R10
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R9, $0x08
|
|
JL matchlen_match4_repeat_extend_encodeBlockAsm10B
|
|
|
|
matchlen_loopback_repeat_extend_encodeBlockAsm10B:
|
|
MOVQ (R10)(R12*1), R11
|
|
XORQ (SI)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_repeat_extend_encodeBlockAsm10B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP repeat_extend_forward_end_encodeBlockAsm10B
|
|
|
|
matchlen_loop_repeat_extend_encodeBlockAsm10B:
|
|
LEAL -8(R9), R9
|
|
LEAL 8(R12), R12
|
|
CMPL R9, $0x08
|
|
JGE matchlen_loopback_repeat_extend_encodeBlockAsm10B
|
|
JZ repeat_extend_forward_end_encodeBlockAsm10B
|
|
|
|
matchlen_match4_repeat_extend_encodeBlockAsm10B:
|
|
CMPL R9, $0x04
|
|
JL matchlen_match2_repeat_extend_encodeBlockAsm10B
|
|
MOVL (R10)(R12*1), R11
|
|
CMPL (SI)(R12*1), R11
|
|
JNE matchlen_match2_repeat_extend_encodeBlockAsm10B
|
|
SUBL $0x04, R9
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_repeat_extend_encodeBlockAsm10B:
|
|
CMPL R9, $0x02
|
|
JL matchlen_match1_repeat_extend_encodeBlockAsm10B
|
|
MOVW (R10)(R12*1), R11
|
|
CMPW (SI)(R12*1), R11
|
|
JNE matchlen_match1_repeat_extend_encodeBlockAsm10B
|
|
SUBL $0x02, R9
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_repeat_extend_encodeBlockAsm10B:
|
|
CMPL R9, $0x01
|
|
JL repeat_extend_forward_end_encodeBlockAsm10B
|
|
MOVB (R10)(R12*1), R11
|
|
CMPB (SI)(R12*1), R11
|
|
JNE repeat_extend_forward_end_encodeBlockAsm10B
|
|
LEAL 1(R12), R12
|
|
|
|
repeat_extend_forward_end_encodeBlockAsm10B:
|
|
ADDL R12, CX
|
|
MOVL CX, SI
|
|
SUBL DI, SI
|
|
MOVL 16(SP), DI
|
|
TESTL R8, R8
|
|
JZ repeat_as_copy_encodeBlockAsm10B
|
|
|
|
// emitRepeat
|
|
MOVL SI, R8
|
|
LEAL -4(SI), SI
|
|
CMPL R8, $0x08
|
|
JLE repeat_two_match_repeat_encodeBlockAsm10B
|
|
CMPL R8, $0x0c
|
|
JGE cant_repeat_two_offset_match_repeat_encodeBlockAsm10B
|
|
CMPL DI, $0x00000800
|
|
JLT repeat_two_offset_match_repeat_encodeBlockAsm10B
|
|
|
|
cant_repeat_two_offset_match_repeat_encodeBlockAsm10B:
|
|
CMPL SI, $0x00000104
|
|
JLT repeat_three_match_repeat_encodeBlockAsm10B
|
|
LEAL -256(SI), SI
|
|
MOVW $0x0019, (AX)
|
|
MOVW SI, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP repeat_end_emit_encodeBlockAsm10B
|
|
|
|
repeat_three_match_repeat_encodeBlockAsm10B:
|
|
LEAL -4(SI), SI
|
|
MOVW $0x0015, (AX)
|
|
MOVB SI, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP repeat_end_emit_encodeBlockAsm10B
|
|
|
|
repeat_two_match_repeat_encodeBlockAsm10B:
|
|
SHLL $0x02, SI
|
|
ORL $0x01, SI
|
|
MOVW SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm10B
|
|
|
|
repeat_two_offset_match_repeat_encodeBlockAsm10B:
|
|
XORQ R8, R8
|
|
LEAL 1(R8)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SARL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm10B
|
|
|
|
repeat_as_copy_encodeBlockAsm10B:
|
|
// emitCopy
|
|
two_byte_offset_repeat_as_copy_encodeBlockAsm10B:
|
|
CMPL SI, $0x40
|
|
JLE two_byte_offset_short_repeat_as_copy_encodeBlockAsm10B
|
|
MOVB $0xee, (AX)
|
|
MOVW DI, 1(AX)
|
|
LEAL -60(SI), SI
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL SI, R8
|
|
LEAL -4(SI), SI
|
|
CMPL R8, $0x08
|
|
JLE repeat_two_repeat_as_copy_encodeBlockAsm10B_emit_copy_short
|
|
CMPL R8, $0x0c
|
|
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm10B_emit_copy_short
|
|
CMPL DI, $0x00000800
|
|
JLT repeat_two_offset_repeat_as_copy_encodeBlockAsm10B_emit_copy_short
|
|
|
|
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm10B_emit_copy_short:
|
|
CMPL SI, $0x00000104
|
|
JLT repeat_three_repeat_as_copy_encodeBlockAsm10B_emit_copy_short
|
|
LEAL -256(SI), SI
|
|
MOVW $0x0019, (AX)
|
|
MOVW SI, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP repeat_end_emit_encodeBlockAsm10B
|
|
|
|
repeat_three_repeat_as_copy_encodeBlockAsm10B_emit_copy_short:
|
|
LEAL -4(SI), SI
|
|
MOVW $0x0015, (AX)
|
|
MOVB SI, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP repeat_end_emit_encodeBlockAsm10B
|
|
|
|
repeat_two_repeat_as_copy_encodeBlockAsm10B_emit_copy_short:
|
|
SHLL $0x02, SI
|
|
ORL $0x01, SI
|
|
MOVW SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm10B
|
|
|
|
repeat_two_offset_repeat_as_copy_encodeBlockAsm10B_emit_copy_short:
|
|
XORQ R8, R8
|
|
LEAL 1(R8)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SARL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm10B
|
|
JMP two_byte_offset_repeat_as_copy_encodeBlockAsm10B
|
|
|
|
two_byte_offset_short_repeat_as_copy_encodeBlockAsm10B:
|
|
CMPL SI, $0x0c
|
|
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm10B
|
|
CMPL DI, $0x00000800
|
|
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm10B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SHRL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm10B
|
|
|
|
emit_copy_three_repeat_as_copy_encodeBlockAsm10B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVW DI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
repeat_end_emit_encodeBlockAsm10B:
|
|
MOVL CX, 12(SP)
|
|
JMP search_loop_encodeBlockAsm10B
|
|
|
|
no_repeat_found_encodeBlockAsm10B:
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBlockAsm10B
|
|
SHRQ $0x08, DI
|
|
MOVL 24(SP)(R10*4), SI
|
|
LEAL 2(CX), R9
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidate2_match_encodeBlockAsm10B
|
|
MOVL R9, 24(SP)(R10*4)
|
|
SHRQ $0x08, DI
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate3_match_encodeBlockAsm10B
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeBlockAsm10B
|
|
|
|
candidate3_match_encodeBlockAsm10B:
|
|
ADDL $0x02, CX
|
|
JMP candidate_match_encodeBlockAsm10B
|
|
|
|
candidate2_match_encodeBlockAsm10B:
|
|
MOVL R9, 24(SP)(R10*4)
|
|
INCL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeBlockAsm10B:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeBlockAsm10B
|
|
|
|
match_extend_back_loop_encodeBlockAsm10B:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeBlockAsm10B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeBlockAsm10B
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeBlockAsm10B
|
|
JMP match_extend_back_loop_encodeBlockAsm10B
|
|
|
|
match_extend_back_end_encodeBlockAsm10B:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeBlockAsm10B:
|
|
MOVL CX, DI
|
|
MOVL 12(SP), R8
|
|
CMPL R8, DI
|
|
JEQ emit_literal_done_match_emit_encodeBlockAsm10B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(R8*1), DI
|
|
SUBL R8, R9
|
|
LEAL -1(R9), R8
|
|
CMPL R8, $0x3c
|
|
JLT one_byte_match_emit_encodeBlockAsm10B
|
|
CMPL R8, $0x00000100
|
|
JLT two_bytes_match_emit_encodeBlockAsm10B
|
|
MOVB $0xf4, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeBlockAsm10B
|
|
|
|
two_bytes_match_emit_encodeBlockAsm10B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB R8, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL R8, $0x40
|
|
JL memmove_match_emit_encodeBlockAsm10B
|
|
JMP memmove_long_match_emit_encodeBlockAsm10B
|
|
|
|
one_byte_match_emit_encodeBlockAsm10B:
|
|
SHLB $0x02, R8
|
|
MOVB R8, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeBlockAsm10B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_8:
|
|
MOVQ (DI), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_8through16:
|
|
MOVQ (DI), R10
|
|
MOVQ -8(DI)(R9*1), DI
|
|
MOVQ R10, (AX)
|
|
MOVQ DI, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_17through32:
|
|
MOVOU (DI), X0
|
|
MOVOU -16(DI)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm10B_memmove_move_33through64:
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeBlockAsm10B:
|
|
MOVQ R8, AX
|
|
JMP emit_literal_done_match_emit_encodeBlockAsm10B
|
|
|
|
memmove_long_match_emit_encodeBlockAsm10B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveLong
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVQ R9, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_match_emit_encodeBlockAsm10Blarge_forward_sse_loop_32
|
|
LEAQ -32(DI)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBlockAsm10Blarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_match_emit_encodeBlockAsm10Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBlockAsm10Blarge_forward_sse_loop_32:
|
|
MOVOU -32(DI)(R12*1), X4
|
|
MOVOU -16(DI)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R9, R12
|
|
JAE emit_lit_memmove_long_match_emit_encodeBlockAsm10Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ R8, AX
|
|
|
|
emit_literal_done_match_emit_encodeBlockAsm10B:
|
|
match_nolit_loop_encodeBlockAsm10B:
|
|
MOVL CX, DI
|
|
SUBL SI, DI
|
|
MOVL DI, 16(SP)
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), DI
|
|
SUBL CX, DI
|
|
LEAQ (DX)(CX*1), R8
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R10, R10
|
|
CMPL DI, $0x08
|
|
JL matchlen_match4_match_nolit_encodeBlockAsm10B
|
|
|
|
matchlen_loopback_match_nolit_encodeBlockAsm10B:
|
|
MOVQ (R8)(R10*1), R9
|
|
XORQ (SI)(R10*1), R9
|
|
TESTQ R9, R9
|
|
JZ matchlen_loop_match_nolit_encodeBlockAsm10B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R9, R9
|
|
|
|
#endif
|
|
SARQ $0x03, R9
|
|
LEAL (R10)(R9*1), R10
|
|
JMP match_nolit_end_encodeBlockAsm10B
|
|
|
|
matchlen_loop_match_nolit_encodeBlockAsm10B:
|
|
LEAL -8(DI), DI
|
|
LEAL 8(R10), R10
|
|
CMPL DI, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeBlockAsm10B
|
|
JZ match_nolit_end_encodeBlockAsm10B
|
|
|
|
matchlen_match4_match_nolit_encodeBlockAsm10B:
|
|
CMPL DI, $0x04
|
|
JL matchlen_match2_match_nolit_encodeBlockAsm10B
|
|
MOVL (R8)(R10*1), R9
|
|
CMPL (SI)(R10*1), R9
|
|
JNE matchlen_match2_match_nolit_encodeBlockAsm10B
|
|
SUBL $0x04, DI
|
|
LEAL 4(R10), R10
|
|
|
|
matchlen_match2_match_nolit_encodeBlockAsm10B:
|
|
CMPL DI, $0x02
|
|
JL matchlen_match1_match_nolit_encodeBlockAsm10B
|
|
MOVW (R8)(R10*1), R9
|
|
CMPW (SI)(R10*1), R9
|
|
JNE matchlen_match1_match_nolit_encodeBlockAsm10B
|
|
SUBL $0x02, DI
|
|
LEAL 2(R10), R10
|
|
|
|
matchlen_match1_match_nolit_encodeBlockAsm10B:
|
|
CMPL DI, $0x01
|
|
JL match_nolit_end_encodeBlockAsm10B
|
|
MOVB (R8)(R10*1), R9
|
|
CMPB (SI)(R10*1), R9
|
|
JNE match_nolit_end_encodeBlockAsm10B
|
|
LEAL 1(R10), R10
|
|
|
|
match_nolit_end_encodeBlockAsm10B:
|
|
ADDL R10, CX
|
|
MOVL 16(SP), SI
|
|
ADDL $0x04, R10
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeBlockAsm10B:
|
|
CMPL R10, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeBlockAsm10B
|
|
MOVB $0xee, (AX)
|
|
MOVW SI, 1(AX)
|
|
LEAL -60(R10), R10
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL R10, DI
|
|
LEAL -4(R10), R10
|
|
CMPL DI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBlockAsm10B_emit_copy_short
|
|
CMPL DI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm10B_emit_copy_short
|
|
CMPL SI, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBlockAsm10B_emit_copy_short
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBlockAsm10B_emit_copy_short:
|
|
CMPL R10, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBlockAsm10B_emit_copy_short
|
|
LEAL -256(R10), R10
|
|
MOVW $0x0019, (AX)
|
|
MOVW R10, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm10B
|
|
|
|
repeat_three_match_nolit_encodeBlockAsm10B_emit_copy_short:
|
|
LEAL -4(R10), R10
|
|
MOVW $0x0015, (AX)
|
|
MOVB R10, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm10B
|
|
|
|
repeat_two_match_nolit_encodeBlockAsm10B_emit_copy_short:
|
|
SHLL $0x02, R10
|
|
ORL $0x01, R10
|
|
MOVW R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm10B
|
|
|
|
repeat_two_offset_match_nolit_encodeBlockAsm10B_emit_copy_short:
|
|
XORQ DI, DI
|
|
LEAL 1(DI)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SARL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm10B
|
|
JMP two_byte_offset_match_nolit_encodeBlockAsm10B
|
|
|
|
two_byte_offset_short_match_nolit_encodeBlockAsm10B:
|
|
CMPL R10, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeBlockAsm10B
|
|
CMPL SI, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeBlockAsm10B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SHRL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm10B
|
|
|
|
emit_copy_three_match_nolit_encodeBlockAsm10B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeBlockAsm10B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeBlockAsm10B
|
|
MOVQ -2(DX)(CX*1), DI
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeBlockAsm10B:
|
|
MOVQ $0x9e3779b1, R9
|
|
MOVQ DI, R8
|
|
SHRQ $0x10, DI
|
|
MOVQ DI, SI
|
|
SHLQ $0x20, R8
|
|
IMULQ R9, R8
|
|
SHRQ $0x36, R8
|
|
SHLQ $0x20, SI
|
|
IMULQ R9, SI
|
|
SHRQ $0x36, SI
|
|
LEAL -2(CX), R9
|
|
LEAQ 24(SP)(SI*4), R10
|
|
MOVL (R10), SI
|
|
MOVL R9, 24(SP)(R8*4)
|
|
MOVL CX, (R10)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ match_nolit_loop_encodeBlockAsm10B
|
|
INCL CX
|
|
JMP search_loop_encodeBlockAsm10B
|
|
|
|
emit_remainder_encodeBlockAsm10B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeBlockAsm10B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeBlockAsm10B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeBlockAsm10B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeBlockAsm10B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm10B
|
|
|
|
two_bytes_emit_remainder_encodeBlockAsm10B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeBlockAsm10B
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm10B
|
|
|
|
one_byte_emit_remainder_encodeBlockAsm10B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeBlockAsm10B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm10B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeBlockAsm10B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeBlockAsm10B
|
|
|
|
memmove_long_emit_remainder_encodeBlockAsm10B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeBlockAsm10Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBlockAsm10Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeBlockAsm10Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBlockAsm10Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeBlockAsm10Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeBlockAsm10B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeBlockAsm8B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeBlockAsm8B(SB), $1048-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000008, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeBlockAsm8B:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeBlockAsm8B
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL CX, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeBlockAsm8B:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x04, SI
|
|
LEAL 4(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeBlockAsm8B
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x9e3779b1, R9
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHRQ $0x08, R11
|
|
SHLQ $0x20, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x38, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R9, R11
|
|
SHRQ $0x38, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 24(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
LEAL 1(CX), R10
|
|
MOVL R10, 24(SP)(R11*4)
|
|
MOVQ DI, R10
|
|
SHRQ $0x10, R10
|
|
SHLQ $0x20, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x38, R10
|
|
MOVL CX, R9
|
|
SUBL 16(SP), R9
|
|
MOVL 1(DX)(R9*1), R11
|
|
MOVQ DI, R9
|
|
SHRQ $0x08, R9
|
|
CMPL R9, R11
|
|
JNE no_repeat_found_encodeBlockAsm8B
|
|
LEAL 1(CX), DI
|
|
MOVL 12(SP), R8
|
|
MOVL DI, SI
|
|
SUBL 16(SP), SI
|
|
JZ repeat_extend_back_end_encodeBlockAsm8B
|
|
|
|
repeat_extend_back_loop_encodeBlockAsm8B:
|
|
CMPL DI, R8
|
|
JLE repeat_extend_back_end_encodeBlockAsm8B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(DI*1), R9
|
|
CMPB BL, R9
|
|
JNE repeat_extend_back_end_encodeBlockAsm8B
|
|
LEAL -1(DI), DI
|
|
DECL SI
|
|
JNZ repeat_extend_back_loop_encodeBlockAsm8B
|
|
|
|
repeat_extend_back_end_encodeBlockAsm8B:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_repeat_emit_encodeBlockAsm8B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_repeat_emit_encodeBlockAsm8B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_repeat_emit_encodeBlockAsm8B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_repeat_emit_encodeBlockAsm8B
|
|
|
|
two_bytes_repeat_emit_encodeBlockAsm8B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_repeat_emit_encodeBlockAsm8B
|
|
JMP memmove_long_repeat_emit_encodeBlockAsm8B
|
|
|
|
one_byte_repeat_emit_encodeBlockAsm8B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_repeat_emit_encodeBlockAsm8B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_17through32
|
|
JMP emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_8:
|
|
MOVQ (R10), R11
|
|
MOVQ R11, (AX)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm8B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm8B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeBlockAsm8B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeBlockAsm8B_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_repeat_emit_encodeBlockAsm8B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_repeat_emit_encodeBlockAsm8B
|
|
|
|
memmove_long_repeat_emit_encodeBlockAsm8B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R12
|
|
SHRQ $0x05, R12
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R13
|
|
SUBQ R11, R13
|
|
DECQ R12
|
|
JA emit_lit_memmove_long_repeat_emit_encodeBlockAsm8Blarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R13*1), R11
|
|
LEAQ -32(AX)(R13*1), R14
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeBlockAsm8Blarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R14)
|
|
MOVOA X5, 16(R14)
|
|
ADDQ $0x20, R14
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R13
|
|
DECQ R12
|
|
JNA emit_lit_memmove_long_repeat_emit_encodeBlockAsm8Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeBlockAsm8Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R13*1), X4
|
|
MOVOU -16(R10)(R13*1), X5
|
|
MOVOA X4, -32(AX)(R13*1)
|
|
MOVOA X5, -16(AX)(R13*1)
|
|
ADDQ $0x20, R13
|
|
CMPQ R9, R13
|
|
JAE emit_lit_memmove_long_repeat_emit_encodeBlockAsm8Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_repeat_emit_encodeBlockAsm8B:
|
|
ADDL $0x05, CX
|
|
MOVL CX, SI
|
|
SUBL 16(SP), SI
|
|
MOVQ src_len+32(FP), R9
|
|
SUBL CX, R9
|
|
LEAQ (DX)(CX*1), R10
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R9, $0x08
|
|
JL matchlen_match4_repeat_extend_encodeBlockAsm8B
|
|
|
|
matchlen_loopback_repeat_extend_encodeBlockAsm8B:
|
|
MOVQ (R10)(R12*1), R11
|
|
XORQ (SI)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_repeat_extend_encodeBlockAsm8B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP repeat_extend_forward_end_encodeBlockAsm8B
|
|
|
|
matchlen_loop_repeat_extend_encodeBlockAsm8B:
|
|
LEAL -8(R9), R9
|
|
LEAL 8(R12), R12
|
|
CMPL R9, $0x08
|
|
JGE matchlen_loopback_repeat_extend_encodeBlockAsm8B
|
|
JZ repeat_extend_forward_end_encodeBlockAsm8B
|
|
|
|
matchlen_match4_repeat_extend_encodeBlockAsm8B:
|
|
CMPL R9, $0x04
|
|
JL matchlen_match2_repeat_extend_encodeBlockAsm8B
|
|
MOVL (R10)(R12*1), R11
|
|
CMPL (SI)(R12*1), R11
|
|
JNE matchlen_match2_repeat_extend_encodeBlockAsm8B
|
|
SUBL $0x04, R9
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_repeat_extend_encodeBlockAsm8B:
|
|
CMPL R9, $0x02
|
|
JL matchlen_match1_repeat_extend_encodeBlockAsm8B
|
|
MOVW (R10)(R12*1), R11
|
|
CMPW (SI)(R12*1), R11
|
|
JNE matchlen_match1_repeat_extend_encodeBlockAsm8B
|
|
SUBL $0x02, R9
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_repeat_extend_encodeBlockAsm8B:
|
|
CMPL R9, $0x01
|
|
JL repeat_extend_forward_end_encodeBlockAsm8B
|
|
MOVB (R10)(R12*1), R11
|
|
CMPB (SI)(R12*1), R11
|
|
JNE repeat_extend_forward_end_encodeBlockAsm8B
|
|
LEAL 1(R12), R12
|
|
|
|
repeat_extend_forward_end_encodeBlockAsm8B:
|
|
ADDL R12, CX
|
|
MOVL CX, SI
|
|
SUBL DI, SI
|
|
MOVL 16(SP), DI
|
|
TESTL R8, R8
|
|
JZ repeat_as_copy_encodeBlockAsm8B
|
|
|
|
// emitRepeat
|
|
MOVL SI, DI
|
|
LEAL -4(SI), SI
|
|
CMPL DI, $0x08
|
|
JLE repeat_two_match_repeat_encodeBlockAsm8B
|
|
CMPL DI, $0x0c
|
|
JGE cant_repeat_two_offset_match_repeat_encodeBlockAsm8B
|
|
|
|
cant_repeat_two_offset_match_repeat_encodeBlockAsm8B:
|
|
CMPL SI, $0x00000104
|
|
JLT repeat_three_match_repeat_encodeBlockAsm8B
|
|
LEAL -256(SI), SI
|
|
MOVW $0x0019, (AX)
|
|
MOVW SI, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP repeat_end_emit_encodeBlockAsm8B
|
|
|
|
repeat_three_match_repeat_encodeBlockAsm8B:
|
|
LEAL -4(SI), SI
|
|
MOVW $0x0015, (AX)
|
|
MOVB SI, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP repeat_end_emit_encodeBlockAsm8B
|
|
|
|
repeat_two_match_repeat_encodeBlockAsm8B:
|
|
SHLL $0x02, SI
|
|
ORL $0x01, SI
|
|
MOVW SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm8B
|
|
XORQ R8, R8
|
|
LEAL 1(R8)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SARL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm8B
|
|
|
|
repeat_as_copy_encodeBlockAsm8B:
|
|
// emitCopy
|
|
two_byte_offset_repeat_as_copy_encodeBlockAsm8B:
|
|
CMPL SI, $0x40
|
|
JLE two_byte_offset_short_repeat_as_copy_encodeBlockAsm8B
|
|
MOVB $0xee, (AX)
|
|
MOVW DI, 1(AX)
|
|
LEAL -60(SI), SI
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL SI, DI
|
|
LEAL -4(SI), SI
|
|
CMPL DI, $0x08
|
|
JLE repeat_two_repeat_as_copy_encodeBlockAsm8B_emit_copy_short
|
|
CMPL DI, $0x0c
|
|
JGE cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm8B_emit_copy_short
|
|
|
|
cant_repeat_two_offset_repeat_as_copy_encodeBlockAsm8B_emit_copy_short:
|
|
CMPL SI, $0x00000104
|
|
JLT repeat_three_repeat_as_copy_encodeBlockAsm8B_emit_copy_short
|
|
LEAL -256(SI), SI
|
|
MOVW $0x0019, (AX)
|
|
MOVW SI, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP repeat_end_emit_encodeBlockAsm8B
|
|
|
|
repeat_three_repeat_as_copy_encodeBlockAsm8B_emit_copy_short:
|
|
LEAL -4(SI), SI
|
|
MOVW $0x0015, (AX)
|
|
MOVB SI, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP repeat_end_emit_encodeBlockAsm8B
|
|
|
|
repeat_two_repeat_as_copy_encodeBlockAsm8B_emit_copy_short:
|
|
SHLL $0x02, SI
|
|
ORL $0x01, SI
|
|
MOVW SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm8B
|
|
XORQ R8, R8
|
|
LEAL 1(R8)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SARL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm8B
|
|
JMP two_byte_offset_repeat_as_copy_encodeBlockAsm8B
|
|
|
|
two_byte_offset_short_repeat_as_copy_encodeBlockAsm8B:
|
|
CMPL SI, $0x0c
|
|
JGE emit_copy_three_repeat_as_copy_encodeBlockAsm8B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SHRL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeBlockAsm8B
|
|
|
|
emit_copy_three_repeat_as_copy_encodeBlockAsm8B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVW DI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
repeat_end_emit_encodeBlockAsm8B:
|
|
MOVL CX, 12(SP)
|
|
JMP search_loop_encodeBlockAsm8B
|
|
|
|
no_repeat_found_encodeBlockAsm8B:
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBlockAsm8B
|
|
SHRQ $0x08, DI
|
|
MOVL 24(SP)(R10*4), SI
|
|
LEAL 2(CX), R9
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidate2_match_encodeBlockAsm8B
|
|
MOVL R9, 24(SP)(R10*4)
|
|
SHRQ $0x08, DI
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate3_match_encodeBlockAsm8B
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeBlockAsm8B
|
|
|
|
candidate3_match_encodeBlockAsm8B:
|
|
ADDL $0x02, CX
|
|
JMP candidate_match_encodeBlockAsm8B
|
|
|
|
candidate2_match_encodeBlockAsm8B:
|
|
MOVL R9, 24(SP)(R10*4)
|
|
INCL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeBlockAsm8B:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeBlockAsm8B
|
|
|
|
match_extend_back_loop_encodeBlockAsm8B:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeBlockAsm8B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeBlockAsm8B
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeBlockAsm8B
|
|
JMP match_extend_back_loop_encodeBlockAsm8B
|
|
|
|
match_extend_back_end_encodeBlockAsm8B:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeBlockAsm8B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeBlockAsm8B:
|
|
MOVL CX, DI
|
|
MOVL 12(SP), R8
|
|
CMPL R8, DI
|
|
JEQ emit_literal_done_match_emit_encodeBlockAsm8B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(R8*1), DI
|
|
SUBL R8, R9
|
|
LEAL -1(R9), R8
|
|
CMPL R8, $0x3c
|
|
JLT one_byte_match_emit_encodeBlockAsm8B
|
|
CMPL R8, $0x00000100
|
|
JLT two_bytes_match_emit_encodeBlockAsm8B
|
|
MOVB $0xf4, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeBlockAsm8B
|
|
|
|
two_bytes_match_emit_encodeBlockAsm8B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB R8, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL R8, $0x40
|
|
JL memmove_match_emit_encodeBlockAsm8B
|
|
JMP memmove_long_match_emit_encodeBlockAsm8B
|
|
|
|
one_byte_match_emit_encodeBlockAsm8B:
|
|
SHLB $0x02, R8
|
|
MOVB R8, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeBlockAsm8B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_8:
|
|
MOVQ (DI), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_8through16:
|
|
MOVQ (DI), R10
|
|
MOVQ -8(DI)(R9*1), DI
|
|
MOVQ R10, (AX)
|
|
MOVQ DI, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_17through32:
|
|
MOVOU (DI), X0
|
|
MOVOU -16(DI)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_encodeBlockAsm8B_memmove_move_33through64:
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeBlockAsm8B:
|
|
MOVQ R8, AX
|
|
JMP emit_literal_done_match_emit_encodeBlockAsm8B
|
|
|
|
memmove_long_match_emit_encodeBlockAsm8B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveLong
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVQ R9, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_match_emit_encodeBlockAsm8Blarge_forward_sse_loop_32
|
|
LEAQ -32(DI)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBlockAsm8Blarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_match_emit_encodeBlockAsm8Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBlockAsm8Blarge_forward_sse_loop_32:
|
|
MOVOU -32(DI)(R12*1), X4
|
|
MOVOU -16(DI)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R9, R12
|
|
JAE emit_lit_memmove_long_match_emit_encodeBlockAsm8Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ R8, AX
|
|
|
|
emit_literal_done_match_emit_encodeBlockAsm8B:
|
|
match_nolit_loop_encodeBlockAsm8B:
|
|
MOVL CX, DI
|
|
SUBL SI, DI
|
|
MOVL DI, 16(SP)
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), DI
|
|
SUBL CX, DI
|
|
LEAQ (DX)(CX*1), R8
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R10, R10
|
|
CMPL DI, $0x08
|
|
JL matchlen_match4_match_nolit_encodeBlockAsm8B
|
|
|
|
matchlen_loopback_match_nolit_encodeBlockAsm8B:
|
|
MOVQ (R8)(R10*1), R9
|
|
XORQ (SI)(R10*1), R9
|
|
TESTQ R9, R9
|
|
JZ matchlen_loop_match_nolit_encodeBlockAsm8B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R9, R9
|
|
|
|
#endif
|
|
SARQ $0x03, R9
|
|
LEAL (R10)(R9*1), R10
|
|
JMP match_nolit_end_encodeBlockAsm8B
|
|
|
|
matchlen_loop_match_nolit_encodeBlockAsm8B:
|
|
LEAL -8(DI), DI
|
|
LEAL 8(R10), R10
|
|
CMPL DI, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeBlockAsm8B
|
|
JZ match_nolit_end_encodeBlockAsm8B
|
|
|
|
matchlen_match4_match_nolit_encodeBlockAsm8B:
|
|
CMPL DI, $0x04
|
|
JL matchlen_match2_match_nolit_encodeBlockAsm8B
|
|
MOVL (R8)(R10*1), R9
|
|
CMPL (SI)(R10*1), R9
|
|
JNE matchlen_match2_match_nolit_encodeBlockAsm8B
|
|
SUBL $0x04, DI
|
|
LEAL 4(R10), R10
|
|
|
|
matchlen_match2_match_nolit_encodeBlockAsm8B:
|
|
CMPL DI, $0x02
|
|
JL matchlen_match1_match_nolit_encodeBlockAsm8B
|
|
MOVW (R8)(R10*1), R9
|
|
CMPW (SI)(R10*1), R9
|
|
JNE matchlen_match1_match_nolit_encodeBlockAsm8B
|
|
SUBL $0x02, DI
|
|
LEAL 2(R10), R10
|
|
|
|
matchlen_match1_match_nolit_encodeBlockAsm8B:
|
|
CMPL DI, $0x01
|
|
JL match_nolit_end_encodeBlockAsm8B
|
|
MOVB (R8)(R10*1), R9
|
|
CMPB (SI)(R10*1), R9
|
|
JNE match_nolit_end_encodeBlockAsm8B
|
|
LEAL 1(R10), R10
|
|
|
|
match_nolit_end_encodeBlockAsm8B:
|
|
ADDL R10, CX
|
|
MOVL 16(SP), SI
|
|
ADDL $0x04, R10
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeBlockAsm8B:
|
|
CMPL R10, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeBlockAsm8B
|
|
MOVB $0xee, (AX)
|
|
MOVW SI, 1(AX)
|
|
LEAL -60(R10), R10
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL R10, SI
|
|
LEAL -4(R10), R10
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBlockAsm8B_emit_copy_short
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBlockAsm8B_emit_copy_short
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBlockAsm8B_emit_copy_short:
|
|
CMPL R10, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBlockAsm8B_emit_copy_short
|
|
LEAL -256(R10), R10
|
|
MOVW $0x0019, (AX)
|
|
MOVW R10, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm8B
|
|
|
|
repeat_three_match_nolit_encodeBlockAsm8B_emit_copy_short:
|
|
LEAL -4(R10), R10
|
|
MOVW $0x0015, (AX)
|
|
MOVB R10, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm8B
|
|
|
|
repeat_two_match_nolit_encodeBlockAsm8B_emit_copy_short:
|
|
SHLL $0x02, R10
|
|
ORL $0x01, R10
|
|
MOVW R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm8B
|
|
XORQ DI, DI
|
|
LEAL 1(DI)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SARL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm8B
|
|
JMP two_byte_offset_match_nolit_encodeBlockAsm8B
|
|
|
|
two_byte_offset_short_match_nolit_encodeBlockAsm8B:
|
|
CMPL R10, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeBlockAsm8B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SHRL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBlockAsm8B
|
|
|
|
emit_copy_three_match_nolit_encodeBlockAsm8B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeBlockAsm8B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeBlockAsm8B
|
|
MOVQ -2(DX)(CX*1), DI
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeBlockAsm8B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeBlockAsm8B:
|
|
MOVQ $0x9e3779b1, R9
|
|
MOVQ DI, R8
|
|
SHRQ $0x10, DI
|
|
MOVQ DI, SI
|
|
SHLQ $0x20, R8
|
|
IMULQ R9, R8
|
|
SHRQ $0x38, R8
|
|
SHLQ $0x20, SI
|
|
IMULQ R9, SI
|
|
SHRQ $0x38, SI
|
|
LEAL -2(CX), R9
|
|
LEAQ 24(SP)(SI*4), R10
|
|
MOVL (R10), SI
|
|
MOVL R9, 24(SP)(R8*4)
|
|
MOVL CX, (R10)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ match_nolit_loop_encodeBlockAsm8B
|
|
INCL CX
|
|
JMP search_loop_encodeBlockAsm8B
|
|
|
|
emit_remainder_encodeBlockAsm8B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeBlockAsm8B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeBlockAsm8B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeBlockAsm8B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeBlockAsm8B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeBlockAsm8B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm8B
|
|
|
|
two_bytes_emit_remainder_encodeBlockAsm8B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeBlockAsm8B
|
|
JMP memmove_long_emit_remainder_encodeBlockAsm8B
|
|
|
|
one_byte_emit_remainder_encodeBlockAsm8B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeBlockAsm8B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBlockAsm8B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeBlockAsm8B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeBlockAsm8B
|
|
|
|
memmove_long_emit_remainder_encodeBlockAsm8B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeBlockAsm8Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBlockAsm8Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeBlockAsm8Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBlockAsm8Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeBlockAsm8Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeBlockAsm8B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeBetterBlockAsm(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeBetterBlockAsm(SB), $327704-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000a00, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeBetterBlockAsm:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeBetterBlockAsm
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -6(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL $0x00000000, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeBetterBlockAsm:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x07, SI
|
|
CMPL SI, $0x63
|
|
JLE check_maxskip_ok_encodeBetterBlockAsm
|
|
LEAL 100(CX), SI
|
|
JMP check_maxskip_cont_encodeBetterBlockAsm
|
|
|
|
check_maxskip_ok_encodeBetterBlockAsm:
|
|
LEAL 1(CX)(SI*1), SI
|
|
|
|
check_maxskip_cont_encodeBetterBlockAsm:
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeBetterBlockAsm
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x00cf1bbcdcbfa563, R9
|
|
MOVQ $0x9e3779b1, SI
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHLQ $0x08, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ SI, R11
|
|
SHRQ $0x32, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 262168(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
MOVL CX, 262168(SP)(R11*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBetterBlockAsm
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidateS_match_encodeBetterBlockAsm
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeBetterBlockAsm
|
|
|
|
candidateS_match_encodeBetterBlockAsm:
|
|
SHRQ $0x08, DI
|
|
MOVQ DI, R10
|
|
SHLQ $0x08, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x30, R10
|
|
MOVL 24(SP)(R10*4), SI
|
|
INCL CX
|
|
MOVL CX, 24(SP)(R10*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBetterBlockAsm
|
|
DECL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeBetterBlockAsm:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeBetterBlockAsm
|
|
|
|
match_extend_back_loop_encodeBetterBlockAsm:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeBetterBlockAsm
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeBetterBlockAsm
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeBetterBlockAsm
|
|
JMP match_extend_back_loop_encodeBetterBlockAsm
|
|
|
|
match_extend_back_end_encodeBetterBlockAsm:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 5(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeBetterBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeBetterBlockAsm:
|
|
MOVL CX, DI
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), R10
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_match_nolit_encodeBetterBlockAsm
|
|
|
|
matchlen_loopback_match_nolit_encodeBetterBlockAsm:
|
|
MOVQ (R9)(R12*1), R11
|
|
XORQ (R10)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_match_nolit_encodeBetterBlockAsm
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP match_nolit_end_encodeBetterBlockAsm
|
|
|
|
matchlen_loop_match_nolit_encodeBetterBlockAsm:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R12), R12
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeBetterBlockAsm
|
|
JZ match_nolit_end_encodeBetterBlockAsm
|
|
|
|
matchlen_match4_match_nolit_encodeBetterBlockAsm:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_match_nolit_encodeBetterBlockAsm
|
|
MOVL (R9)(R12*1), R11
|
|
CMPL (R10)(R12*1), R11
|
|
JNE matchlen_match2_match_nolit_encodeBetterBlockAsm
|
|
SUBL $0x04, R8
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_match_nolit_encodeBetterBlockAsm:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_match_nolit_encodeBetterBlockAsm
|
|
MOVW (R9)(R12*1), R11
|
|
CMPW (R10)(R12*1), R11
|
|
JNE matchlen_match1_match_nolit_encodeBetterBlockAsm
|
|
SUBL $0x02, R8
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_match_nolit_encodeBetterBlockAsm:
|
|
CMPL R8, $0x01
|
|
JL match_nolit_end_encodeBetterBlockAsm
|
|
MOVB (R9)(R12*1), R11
|
|
CMPB (R10)(R12*1), R11
|
|
JNE match_nolit_end_encodeBetterBlockAsm
|
|
LEAL 1(R12), R12
|
|
|
|
match_nolit_end_encodeBetterBlockAsm:
|
|
MOVL CX, R8
|
|
SUBL SI, R8
|
|
|
|
// Check if repeat
|
|
CMPL 16(SP), R8
|
|
JEQ match_is_repeat_encodeBetterBlockAsm
|
|
CMPL R12, $0x01
|
|
JG match_length_ok_encodeBetterBlockAsm
|
|
CMPL R8, $0x0000ffff
|
|
JLE match_length_ok_encodeBetterBlockAsm
|
|
MOVL 20(SP), CX
|
|
INCL CX
|
|
JMP search_loop_encodeBetterBlockAsm
|
|
|
|
match_length_ok_encodeBetterBlockAsm:
|
|
MOVL R8, 16(SP)
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_encodeBetterBlockAsm
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_encodeBetterBlockAsm
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_encodeBetterBlockAsm
|
|
CMPL SI, $0x00010000
|
|
JLT three_bytes_match_emit_encodeBetterBlockAsm
|
|
CMPL SI, $0x01000000
|
|
JLT four_bytes_match_emit_encodeBetterBlockAsm
|
|
MOVB $0xfc, (AX)
|
|
MOVL SI, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm
|
|
|
|
four_bytes_match_emit_encodeBetterBlockAsm:
|
|
MOVL SI, R11
|
|
SHRL $0x10, R11
|
|
MOVB $0xf8, (AX)
|
|
MOVW SI, 1(AX)
|
|
MOVB R11, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm
|
|
|
|
three_bytes_match_emit_encodeBetterBlockAsm:
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm
|
|
|
|
two_bytes_match_emit_encodeBetterBlockAsm:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_encodeBetterBlockAsm
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm
|
|
|
|
one_byte_match_emit_encodeBetterBlockAsm:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeBetterBlockAsm:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x04
|
|
JLE emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_4
|
|
CMPQ R9, $0x08
|
|
JB emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_4through7
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_4:
|
|
MOVL (R10), R11
|
|
MOVL R11, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_4through7:
|
|
MOVL (R10), R11
|
|
MOVL -4(R10)(R9*1), R10
|
|
MOVL R11, (AX)
|
|
MOVL R10, -4(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeBetterBlockAsm:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_encodeBetterBlockAsm
|
|
|
|
memmove_long_match_emit_encodeBetterBlockAsm:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_encodeBetterBlockAsmlarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBetterBlockAsmlarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_encodeBetterBlockAsmlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBetterBlockAsmlarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_encodeBetterBlockAsmlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_encodeBetterBlockAsm:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
CMPL R8, $0x00010000
|
|
JL two_byte_offset_match_nolit_encodeBetterBlockAsm
|
|
|
|
four_bytes_loop_back_match_nolit_encodeBetterBlockAsm:
|
|
CMPL R12, $0x40
|
|
JLE four_bytes_remain_match_nolit_encodeBetterBlockAsm
|
|
MOVB $0xff, (AX)
|
|
MOVL R8, 1(AX)
|
|
LEAL -64(R12), R12
|
|
ADDQ $0x05, AX
|
|
CMPL R12, $0x04
|
|
JL four_bytes_remain_match_nolit_encodeBetterBlockAsm
|
|
|
|
// emitRepeat
|
|
emit_repeat_again_match_nolit_encodeBetterBlockAsm_emit_copy:
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBetterBlockAsm_emit_copy
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy
|
|
CMPL R8, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBetterBlockAsm_emit_copy
|
|
CMPL R12, $0x00010100
|
|
JLT repeat_four_match_nolit_encodeBetterBlockAsm_emit_copy
|
|
CMPL R12, $0x0100ffff
|
|
JLT repeat_five_match_nolit_encodeBetterBlockAsm_emit_copy
|
|
LEAL -16842747(R12), R12
|
|
MOVW $0x001d, (AX)
|
|
MOVW $0xfffb, 2(AX)
|
|
MOVB $0xff, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP emit_repeat_again_match_nolit_encodeBetterBlockAsm_emit_copy
|
|
|
|
repeat_five_match_nolit_encodeBetterBlockAsm_emit_copy:
|
|
LEAL -65536(R12), R12
|
|
MOVL R12, R8
|
|
MOVW $0x001d, (AX)
|
|
MOVW R12, 2(AX)
|
|
SARL $0x10, R8
|
|
MOVB R8, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_four_match_nolit_encodeBetterBlockAsm_emit_copy:
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_three_match_nolit_encodeBetterBlockAsm_emit_copy:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_two_match_nolit_encodeBetterBlockAsm_emit_copy:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
JMP four_bytes_loop_back_match_nolit_encodeBetterBlockAsm
|
|
|
|
four_bytes_remain_match_nolit_encodeBetterBlockAsm:
|
|
TESTL R12, R12
|
|
JZ match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
MOVB $0x03, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVL R8, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
two_byte_offset_match_nolit_encodeBetterBlockAsm:
|
|
CMPL R12, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeBetterBlockAsm
|
|
MOVB $0xee, (AX)
|
|
MOVW R8, 1(AX)
|
|
LEAL -60(R12), R12
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
emit_repeat_again_match_nolit_encodeBetterBlockAsm_emit_copy_short:
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBetterBlockAsm_emit_copy_short
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy_short
|
|
CMPL R8, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy_short
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy_short:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBetterBlockAsm_emit_copy_short
|
|
CMPL R12, $0x00010100
|
|
JLT repeat_four_match_nolit_encodeBetterBlockAsm_emit_copy_short
|
|
CMPL R12, $0x0100ffff
|
|
JLT repeat_five_match_nolit_encodeBetterBlockAsm_emit_copy_short
|
|
LEAL -16842747(R12), R12
|
|
MOVW $0x001d, (AX)
|
|
MOVW $0xfffb, 2(AX)
|
|
MOVB $0xff, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP emit_repeat_again_match_nolit_encodeBetterBlockAsm_emit_copy_short
|
|
|
|
repeat_five_match_nolit_encodeBetterBlockAsm_emit_copy_short:
|
|
LEAL -65536(R12), R12
|
|
MOVL R12, R8
|
|
MOVW $0x001d, (AX)
|
|
MOVW R12, 2(AX)
|
|
SARL $0x10, R8
|
|
MOVB R8, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_four_match_nolit_encodeBetterBlockAsm_emit_copy_short:
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_three_match_nolit_encodeBetterBlockAsm_emit_copy_short:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_two_match_nolit_encodeBetterBlockAsm_emit_copy_short:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_two_offset_match_nolit_encodeBetterBlockAsm_emit_copy_short:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
JMP two_byte_offset_match_nolit_encodeBetterBlockAsm
|
|
|
|
two_byte_offset_short_match_nolit_encodeBetterBlockAsm:
|
|
CMPL R12, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm
|
|
CMPL R8, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SHRL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
emit_copy_three_match_nolit_encodeBetterBlockAsm:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
match_is_repeat_encodeBetterBlockAsm:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_repeat_encodeBetterBlockAsm
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_repeat_encodeBetterBlockAsm
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_repeat_encodeBetterBlockAsm
|
|
CMPL SI, $0x00010000
|
|
JLT three_bytes_match_emit_repeat_encodeBetterBlockAsm
|
|
CMPL SI, $0x01000000
|
|
JLT four_bytes_match_emit_repeat_encodeBetterBlockAsm
|
|
MOVB $0xfc, (AX)
|
|
MOVL SI, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm
|
|
|
|
four_bytes_match_emit_repeat_encodeBetterBlockAsm:
|
|
MOVL SI, R11
|
|
SHRL $0x10, R11
|
|
MOVB $0xf8, (AX)
|
|
MOVW SI, 1(AX)
|
|
MOVB R11, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm
|
|
|
|
three_bytes_match_emit_repeat_encodeBetterBlockAsm:
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm
|
|
|
|
two_bytes_match_emit_repeat_encodeBetterBlockAsm:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_repeat_encodeBetterBlockAsm
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm
|
|
|
|
one_byte_match_emit_repeat_encodeBetterBlockAsm:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_repeat_encodeBetterBlockAsm:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x04
|
|
JLE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_4
|
|
CMPQ R9, $0x08
|
|
JB emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_4through7
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_4:
|
|
MOVL (R10), R11
|
|
MOVL R11, (AX)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_4through7:
|
|
MOVL (R10), R11
|
|
MOVL -4(R10)(R9*1), R10
|
|
MOVL R11, (AX)
|
|
MOVL R10, -4(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_repeat_encodeBetterBlockAsm
|
|
|
|
memmove_long_match_emit_repeat_encodeBetterBlockAsm:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsmlarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsmlarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsmlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsmlarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsmlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_repeat_encodeBetterBlockAsm:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitRepeat
|
|
emit_repeat_again_match_nolit_repeat_encodeBetterBlockAsm:
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_repeat_encodeBetterBlockAsm
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm
|
|
CMPL R8, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm
|
|
|
|
cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_repeat_encodeBetterBlockAsm
|
|
CMPL R12, $0x00010100
|
|
JLT repeat_four_match_nolit_repeat_encodeBetterBlockAsm
|
|
CMPL R12, $0x0100ffff
|
|
JLT repeat_five_match_nolit_repeat_encodeBetterBlockAsm
|
|
LEAL -16842747(R12), R12
|
|
MOVW $0x001d, (AX)
|
|
MOVW $0xfffb, 2(AX)
|
|
MOVB $0xff, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP emit_repeat_again_match_nolit_repeat_encodeBetterBlockAsm
|
|
|
|
repeat_five_match_nolit_repeat_encodeBetterBlockAsm:
|
|
LEAL -65536(R12), R12
|
|
MOVL R12, R8
|
|
MOVW $0x001d, (AX)
|
|
MOVW R12, 2(AX)
|
|
SARL $0x10, R8
|
|
MOVB R8, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_four_match_nolit_repeat_encodeBetterBlockAsm:
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_three_match_nolit_repeat_encodeBetterBlockAsm:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_two_match_nolit_repeat_encodeBetterBlockAsm:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm
|
|
|
|
repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
|
|
match_nolit_emitcopy_end_encodeBetterBlockAsm:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeBetterBlockAsm
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeBetterBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeBetterBlockAsm:
|
|
MOVQ $0x00cf1bbcdcbfa563, SI
|
|
MOVQ $0x9e3779b1, R8
|
|
INCL DI
|
|
MOVQ (DX)(DI*1), R9
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
MOVQ R9, R12
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
SHRQ $0x10, R12
|
|
LEAL 1(DI), R14
|
|
LEAL 2(DI), R15
|
|
MOVQ -2(DX)(CX*1), R9
|
|
SHLQ $0x08, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x08, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x30, R13
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x32, R11
|
|
SHLQ $0x20, R12
|
|
IMULQ R8, R12
|
|
SHRQ $0x32, R12
|
|
MOVL DI, 24(SP)(R10*4)
|
|
MOVL R14, 24(SP)(R13*4)
|
|
MOVL R14, 262168(SP)(R11*4)
|
|
MOVL R15, 262168(SP)(R12*4)
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
LEAL -2(CX), R9
|
|
LEAL -1(CX), DI
|
|
SHLQ $0x08, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x32, R11
|
|
SHLQ $0x08, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x30, R13
|
|
MOVL R9, 24(SP)(R10*4)
|
|
MOVL DI, 262168(SP)(R11*4)
|
|
MOVL DI, 24(SP)(R13*4)
|
|
JMP search_loop_encodeBetterBlockAsm
|
|
|
|
emit_remainder_encodeBetterBlockAsm:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 5(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeBetterBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeBetterBlockAsm:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeBetterBlockAsm
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeBetterBlockAsm
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeBetterBlockAsm
|
|
CMPL DX, $0x00010000
|
|
JLT three_bytes_emit_remainder_encodeBetterBlockAsm
|
|
CMPL DX, $0x01000000
|
|
JLT four_bytes_emit_remainder_encodeBetterBlockAsm
|
|
MOVB $0xfc, (AX)
|
|
MOVL DX, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm
|
|
|
|
four_bytes_emit_remainder_encodeBetterBlockAsm:
|
|
MOVL DX, BX
|
|
SHRL $0x10, BX
|
|
MOVB $0xf8, (AX)
|
|
MOVW DX, 1(AX)
|
|
MOVB BL, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm
|
|
|
|
three_bytes_emit_remainder_encodeBetterBlockAsm:
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm
|
|
|
|
two_bytes_emit_remainder_encodeBetterBlockAsm:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeBetterBlockAsm
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm
|
|
|
|
one_byte_emit_remainder_encodeBetterBlockAsm:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeBetterBlockAsm:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x04
|
|
JLE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_4
|
|
CMPQ BX, $0x08
|
|
JB emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_4through7
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_4:
|
|
MOVL (CX), SI
|
|
MOVL SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_4through7:
|
|
MOVL (CX), SI
|
|
MOVL -4(CX)(BX*1), CX
|
|
MOVL SI, (AX)
|
|
MOVL CX, -4(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeBetterBlockAsm:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeBetterBlockAsm
|
|
|
|
memmove_long_emit_remainder_encodeBetterBlockAsm:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsmlarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsmlarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsmlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsmlarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsmlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeBetterBlockAsm:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeBetterBlockAsm4MB(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeBetterBlockAsm4MB(SB), $327704-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000a00, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeBetterBlockAsm4MB:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeBetterBlockAsm4MB
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -6(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL $0x00000000, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeBetterBlockAsm4MB:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x07, SI
|
|
CMPL SI, $0x63
|
|
JLE check_maxskip_ok_encodeBetterBlockAsm4MB
|
|
LEAL 100(CX), SI
|
|
JMP check_maxskip_cont_encodeBetterBlockAsm4MB
|
|
|
|
check_maxskip_ok_encodeBetterBlockAsm4MB:
|
|
LEAL 1(CX)(SI*1), SI
|
|
|
|
check_maxskip_cont_encodeBetterBlockAsm4MB:
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeBetterBlockAsm4MB
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x00cf1bbcdcbfa563, R9
|
|
MOVQ $0x9e3779b1, SI
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHLQ $0x08, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ SI, R11
|
|
SHRQ $0x32, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 262168(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
MOVL CX, 262168(SP)(R11*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBetterBlockAsm4MB
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidateS_match_encodeBetterBlockAsm4MB
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeBetterBlockAsm4MB
|
|
|
|
candidateS_match_encodeBetterBlockAsm4MB:
|
|
SHRQ $0x08, DI
|
|
MOVQ DI, R10
|
|
SHLQ $0x08, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x30, R10
|
|
MOVL 24(SP)(R10*4), SI
|
|
INCL CX
|
|
MOVL CX, 24(SP)(R10*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBetterBlockAsm4MB
|
|
DECL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeBetterBlockAsm4MB:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeBetterBlockAsm4MB
|
|
|
|
match_extend_back_loop_encodeBetterBlockAsm4MB:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeBetterBlockAsm4MB
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeBetterBlockAsm4MB
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeBetterBlockAsm4MB
|
|
JMP match_extend_back_loop_encodeBetterBlockAsm4MB
|
|
|
|
match_extend_back_end_encodeBetterBlockAsm4MB:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 4(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeBetterBlockAsm4MB
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeBetterBlockAsm4MB:
|
|
MOVL CX, DI
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), R10
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_match_nolit_encodeBetterBlockAsm4MB
|
|
|
|
matchlen_loopback_match_nolit_encodeBetterBlockAsm4MB:
|
|
MOVQ (R9)(R12*1), R11
|
|
XORQ (R10)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_match_nolit_encodeBetterBlockAsm4MB
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP match_nolit_end_encodeBetterBlockAsm4MB
|
|
|
|
matchlen_loop_match_nolit_encodeBetterBlockAsm4MB:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R12), R12
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeBetterBlockAsm4MB
|
|
JZ match_nolit_end_encodeBetterBlockAsm4MB
|
|
|
|
matchlen_match4_match_nolit_encodeBetterBlockAsm4MB:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_match_nolit_encodeBetterBlockAsm4MB
|
|
MOVL (R9)(R12*1), R11
|
|
CMPL (R10)(R12*1), R11
|
|
JNE matchlen_match2_match_nolit_encodeBetterBlockAsm4MB
|
|
SUBL $0x04, R8
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_match_nolit_encodeBetterBlockAsm4MB:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_match_nolit_encodeBetterBlockAsm4MB
|
|
MOVW (R9)(R12*1), R11
|
|
CMPW (R10)(R12*1), R11
|
|
JNE matchlen_match1_match_nolit_encodeBetterBlockAsm4MB
|
|
SUBL $0x02, R8
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_match_nolit_encodeBetterBlockAsm4MB:
|
|
CMPL R8, $0x01
|
|
JL match_nolit_end_encodeBetterBlockAsm4MB
|
|
MOVB (R9)(R12*1), R11
|
|
CMPB (R10)(R12*1), R11
|
|
JNE match_nolit_end_encodeBetterBlockAsm4MB
|
|
LEAL 1(R12), R12
|
|
|
|
match_nolit_end_encodeBetterBlockAsm4MB:
|
|
MOVL CX, R8
|
|
SUBL SI, R8
|
|
|
|
// Check if repeat
|
|
CMPL 16(SP), R8
|
|
JEQ match_is_repeat_encodeBetterBlockAsm4MB
|
|
CMPL R12, $0x01
|
|
JG match_length_ok_encodeBetterBlockAsm4MB
|
|
CMPL R8, $0x0000ffff
|
|
JLE match_length_ok_encodeBetterBlockAsm4MB
|
|
MOVL 20(SP), CX
|
|
INCL CX
|
|
JMP search_loop_encodeBetterBlockAsm4MB
|
|
|
|
match_length_ok_encodeBetterBlockAsm4MB:
|
|
MOVL R8, 16(SP)
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_encodeBetterBlockAsm4MB
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_encodeBetterBlockAsm4MB
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_encodeBetterBlockAsm4MB
|
|
CMPL SI, $0x00010000
|
|
JLT three_bytes_match_emit_encodeBetterBlockAsm4MB
|
|
MOVL SI, R11
|
|
SHRL $0x10, R11
|
|
MOVB $0xf8, (AX)
|
|
MOVW SI, 1(AX)
|
|
MOVB R11, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm4MB
|
|
|
|
three_bytes_match_emit_encodeBetterBlockAsm4MB:
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm4MB
|
|
|
|
two_bytes_match_emit_encodeBetterBlockAsm4MB:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_encodeBetterBlockAsm4MB
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm4MB
|
|
|
|
one_byte_match_emit_encodeBetterBlockAsm4MB:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeBetterBlockAsm4MB:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x04
|
|
JLE emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_4
|
|
CMPQ R9, $0x08
|
|
JB emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_4through7
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_4:
|
|
MOVL (R10), R11
|
|
MOVL R11, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_4through7:
|
|
MOVL (R10), R11
|
|
MOVL -4(R10)(R9*1), R10
|
|
MOVL R11, (AX)
|
|
MOVL R10, -4(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm4MB_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeBetterBlockAsm4MB:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_encodeBetterBlockAsm4MB
|
|
|
|
memmove_long_match_emit_encodeBetterBlockAsm4MB:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm4MBlarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm4MBlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_encodeBetterBlockAsm4MB:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
CMPL R8, $0x00010000
|
|
JL two_byte_offset_match_nolit_encodeBetterBlockAsm4MB
|
|
|
|
four_bytes_loop_back_match_nolit_encodeBetterBlockAsm4MB:
|
|
CMPL R12, $0x40
|
|
JLE four_bytes_remain_match_nolit_encodeBetterBlockAsm4MB
|
|
MOVB $0xff, (AX)
|
|
MOVL R8, 1(AX)
|
|
LEAL -64(R12), R12
|
|
ADDQ $0x05, AX
|
|
CMPL R12, $0x04
|
|
JL four_bytes_remain_match_nolit_encodeBetterBlockAsm4MB
|
|
|
|
// emitRepeat
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBetterBlockAsm4MB_emit_copy
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy
|
|
CMPL R8, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBetterBlockAsm4MB_emit_copy
|
|
CMPL R12, $0x00010100
|
|
JLT repeat_four_match_nolit_encodeBetterBlockAsm4MB_emit_copy
|
|
LEAL -65536(R12), R12
|
|
MOVL R12, R8
|
|
MOVW $0x001d, (AX)
|
|
MOVW R12, 2(AX)
|
|
SARL $0x10, R8
|
|
MOVB R8, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_four_match_nolit_encodeBetterBlockAsm4MB_emit_copy:
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_three_match_nolit_encodeBetterBlockAsm4MB_emit_copy:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_two_match_nolit_encodeBetterBlockAsm4MB_emit_copy:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
JMP four_bytes_loop_back_match_nolit_encodeBetterBlockAsm4MB
|
|
|
|
four_bytes_remain_match_nolit_encodeBetterBlockAsm4MB:
|
|
TESTL R12, R12
|
|
JZ match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
MOVB $0x03, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVL R8, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
two_byte_offset_match_nolit_encodeBetterBlockAsm4MB:
|
|
CMPL R12, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeBetterBlockAsm4MB
|
|
MOVB $0xee, (AX)
|
|
MOVW R8, 1(AX)
|
|
LEAL -60(R12), R12
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short
|
|
CMPL R8, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short
|
|
CMPL R12, $0x00010100
|
|
JLT repeat_four_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short
|
|
LEAL -65536(R12), R12
|
|
MOVL R12, R8
|
|
MOVW $0x001d, (AX)
|
|
MOVW R12, 2(AX)
|
|
SARL $0x10, R8
|
|
MOVB R8, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_four_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short:
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_three_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_two_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_two_offset_match_nolit_encodeBetterBlockAsm4MB_emit_copy_short:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
JMP two_byte_offset_match_nolit_encodeBetterBlockAsm4MB
|
|
|
|
two_byte_offset_short_match_nolit_encodeBetterBlockAsm4MB:
|
|
CMPL R12, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm4MB
|
|
CMPL R8, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm4MB
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SHRL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
emit_copy_three_match_nolit_encodeBetterBlockAsm4MB:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
match_is_repeat_encodeBetterBlockAsm4MB:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
CMPL SI, $0x00010000
|
|
JLT three_bytes_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
MOVL SI, R11
|
|
SHRL $0x10, R11
|
|
MOVB $0xf8, (AX)
|
|
MOVW SI, 1(AX)
|
|
MOVB R11, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
|
|
three_bytes_match_emit_repeat_encodeBetterBlockAsm4MB:
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
|
|
two_bytes_match_emit_repeat_encodeBetterBlockAsm4MB:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
|
|
one_byte_match_emit_repeat_encodeBetterBlockAsm4MB:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_repeat_encodeBetterBlockAsm4MB:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x04
|
|
JLE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_4
|
|
CMPQ R9, $0x08
|
|
JB emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_4through7
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_4:
|
|
MOVL (R10), R11
|
|
MOVL R11, (AX)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_4through7:
|
|
MOVL (R10), R11
|
|
MOVL -4(R10)(R9*1), R10
|
|
MOVL R11, (AX)
|
|
MOVL R10, -4(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm4MB_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm4MB:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_repeat_encodeBetterBlockAsm4MB
|
|
|
|
memmove_long_match_emit_repeat_encodeBetterBlockAsm4MB:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm4MBlarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm4MBlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_repeat_encodeBetterBlockAsm4MB:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitRepeat
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_repeat_encodeBetterBlockAsm4MB
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm4MB
|
|
CMPL R8, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm4MB
|
|
|
|
cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm4MB:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_repeat_encodeBetterBlockAsm4MB
|
|
CMPL R12, $0x00010100
|
|
JLT repeat_four_match_nolit_repeat_encodeBetterBlockAsm4MB
|
|
LEAL -65536(R12), R12
|
|
MOVL R12, R8
|
|
MOVW $0x001d, (AX)
|
|
MOVW R12, 2(AX)
|
|
SARL $0x10, R8
|
|
MOVB R8, 4(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_four_match_nolit_repeat_encodeBetterBlockAsm4MB:
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_three_match_nolit_repeat_encodeBetterBlockAsm4MB:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_two_match_nolit_repeat_encodeBetterBlockAsm4MB:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm4MB
|
|
|
|
repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm4MB:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
|
|
match_nolit_emitcopy_end_encodeBetterBlockAsm4MB:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeBetterBlockAsm4MB
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeBetterBlockAsm4MB
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeBetterBlockAsm4MB:
|
|
MOVQ $0x00cf1bbcdcbfa563, SI
|
|
MOVQ $0x9e3779b1, R8
|
|
INCL DI
|
|
MOVQ (DX)(DI*1), R9
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
MOVQ R9, R12
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
SHRQ $0x10, R12
|
|
LEAL 1(DI), R14
|
|
LEAL 2(DI), R15
|
|
MOVQ -2(DX)(CX*1), R9
|
|
SHLQ $0x08, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x08, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x30, R13
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x32, R11
|
|
SHLQ $0x20, R12
|
|
IMULQ R8, R12
|
|
SHRQ $0x32, R12
|
|
MOVL DI, 24(SP)(R10*4)
|
|
MOVL R14, 24(SP)(R13*4)
|
|
MOVL R14, 262168(SP)(R11*4)
|
|
MOVL R15, 262168(SP)(R12*4)
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
LEAL -2(CX), R9
|
|
LEAL -1(CX), DI
|
|
SHLQ $0x08, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x32, R11
|
|
SHLQ $0x08, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x30, R13
|
|
MOVL R9, 24(SP)(R10*4)
|
|
MOVL DI, 262168(SP)(R11*4)
|
|
MOVL DI, 24(SP)(R13*4)
|
|
JMP search_loop_encodeBetterBlockAsm4MB
|
|
|
|
emit_remainder_encodeBetterBlockAsm4MB:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 4(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeBetterBlockAsm4MB
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeBetterBlockAsm4MB:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeBetterBlockAsm4MB
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeBetterBlockAsm4MB
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeBetterBlockAsm4MB
|
|
CMPL DX, $0x00010000
|
|
JLT three_bytes_emit_remainder_encodeBetterBlockAsm4MB
|
|
MOVL DX, BX
|
|
SHRL $0x10, BX
|
|
MOVB $0xf8, (AX)
|
|
MOVW DX, 1(AX)
|
|
MOVB BL, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm4MB
|
|
|
|
three_bytes_emit_remainder_encodeBetterBlockAsm4MB:
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm4MB
|
|
|
|
two_bytes_emit_remainder_encodeBetterBlockAsm4MB:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeBetterBlockAsm4MB
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm4MB
|
|
|
|
one_byte_emit_remainder_encodeBetterBlockAsm4MB:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeBetterBlockAsm4MB:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x04
|
|
JLE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_4
|
|
CMPQ BX, $0x08
|
|
JB emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_4through7
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_4:
|
|
MOVL (CX), SI
|
|
MOVL SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_4through7:
|
|
MOVL (CX), SI
|
|
MOVL -4(CX)(BX*1), CX
|
|
MOVL SI, (AX)
|
|
MOVL CX, -4(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm4MB
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm4MB_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeBetterBlockAsm4MB:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeBetterBlockAsm4MB
|
|
|
|
memmove_long_emit_remainder_encodeBetterBlockAsm4MB:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm4MBlarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm4MBlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm4MBlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeBetterBlockAsm4MB:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeBetterBlockAsm12B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeBetterBlockAsm12B(SB), $81944-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000280, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeBetterBlockAsm12B:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeBetterBlockAsm12B
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -6(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL $0x00000000, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeBetterBlockAsm12B:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x06, SI
|
|
LEAL 1(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeBetterBlockAsm12B
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ $0x9e3779b1, SI
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x32, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ SI, R11
|
|
SHRQ $0x34, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 65560(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
MOVL CX, 65560(SP)(R11*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBetterBlockAsm12B
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidateS_match_encodeBetterBlockAsm12B
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeBetterBlockAsm12B
|
|
|
|
candidateS_match_encodeBetterBlockAsm12B:
|
|
SHRQ $0x08, DI
|
|
MOVQ DI, R10
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x32, R10
|
|
MOVL 24(SP)(R10*4), SI
|
|
INCL CX
|
|
MOVL CX, 24(SP)(R10*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBetterBlockAsm12B
|
|
DECL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeBetterBlockAsm12B:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeBetterBlockAsm12B
|
|
|
|
match_extend_back_loop_encodeBetterBlockAsm12B:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeBetterBlockAsm12B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeBetterBlockAsm12B
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeBetterBlockAsm12B
|
|
JMP match_extend_back_loop_encodeBetterBlockAsm12B
|
|
|
|
match_extend_back_end_encodeBetterBlockAsm12B:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeBetterBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeBetterBlockAsm12B:
|
|
MOVL CX, DI
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), R10
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_match_nolit_encodeBetterBlockAsm12B
|
|
|
|
matchlen_loopback_match_nolit_encodeBetterBlockAsm12B:
|
|
MOVQ (R9)(R12*1), R11
|
|
XORQ (R10)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_match_nolit_encodeBetterBlockAsm12B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP match_nolit_end_encodeBetterBlockAsm12B
|
|
|
|
matchlen_loop_match_nolit_encodeBetterBlockAsm12B:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R12), R12
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeBetterBlockAsm12B
|
|
JZ match_nolit_end_encodeBetterBlockAsm12B
|
|
|
|
matchlen_match4_match_nolit_encodeBetterBlockAsm12B:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_match_nolit_encodeBetterBlockAsm12B
|
|
MOVL (R9)(R12*1), R11
|
|
CMPL (R10)(R12*1), R11
|
|
JNE matchlen_match2_match_nolit_encodeBetterBlockAsm12B
|
|
SUBL $0x04, R8
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_match_nolit_encodeBetterBlockAsm12B:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_match_nolit_encodeBetterBlockAsm12B
|
|
MOVW (R9)(R12*1), R11
|
|
CMPW (R10)(R12*1), R11
|
|
JNE matchlen_match1_match_nolit_encodeBetterBlockAsm12B
|
|
SUBL $0x02, R8
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_match_nolit_encodeBetterBlockAsm12B:
|
|
CMPL R8, $0x01
|
|
JL match_nolit_end_encodeBetterBlockAsm12B
|
|
MOVB (R9)(R12*1), R11
|
|
CMPB (R10)(R12*1), R11
|
|
JNE match_nolit_end_encodeBetterBlockAsm12B
|
|
LEAL 1(R12), R12
|
|
|
|
match_nolit_end_encodeBetterBlockAsm12B:
|
|
MOVL CX, R8
|
|
SUBL SI, R8
|
|
|
|
// Check if repeat
|
|
CMPL 16(SP), R8
|
|
JEQ match_is_repeat_encodeBetterBlockAsm12B
|
|
MOVL R8, 16(SP)
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_encodeBetterBlockAsm12B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_encodeBetterBlockAsm12B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_encodeBetterBlockAsm12B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm12B
|
|
|
|
two_bytes_match_emit_encodeBetterBlockAsm12B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_encodeBetterBlockAsm12B
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm12B
|
|
|
|
one_byte_match_emit_encodeBetterBlockAsm12B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeBetterBlockAsm12B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x04
|
|
JLE emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_4
|
|
CMPQ R9, $0x08
|
|
JB emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_4through7
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_4:
|
|
MOVL (R10), R11
|
|
MOVL R11, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_4through7:
|
|
MOVL (R10), R11
|
|
MOVL -4(R10)(R9*1), R10
|
|
MOVL R11, (AX)
|
|
MOVL R10, -4(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm12B_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeBetterBlockAsm12B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_encodeBetterBlockAsm12B
|
|
|
|
memmove_long_match_emit_encodeBetterBlockAsm12B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm12Blarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm12Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm12Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_encodeBetterBlockAsm12B:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeBetterBlockAsm12B:
|
|
CMPL R12, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeBetterBlockAsm12B
|
|
MOVB $0xee, (AX)
|
|
MOVW R8, 1(AX)
|
|
LEAL -60(R12), R12
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBetterBlockAsm12B_emit_copy_short
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm12B_emit_copy_short
|
|
CMPL R8, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm12B_emit_copy_short
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm12B_emit_copy_short:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBetterBlockAsm12B_emit_copy_short
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
|
|
|
|
repeat_three_match_nolit_encodeBetterBlockAsm12B_emit_copy_short:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
|
|
|
|
repeat_two_match_nolit_encodeBetterBlockAsm12B_emit_copy_short:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
|
|
|
|
repeat_two_offset_match_nolit_encodeBetterBlockAsm12B_emit_copy_short:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
|
|
JMP two_byte_offset_match_nolit_encodeBetterBlockAsm12B
|
|
|
|
two_byte_offset_short_match_nolit_encodeBetterBlockAsm12B:
|
|
CMPL R12, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm12B
|
|
CMPL R8, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm12B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SHRL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
|
|
|
|
emit_copy_three_match_nolit_encodeBetterBlockAsm12B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
|
|
|
|
match_is_repeat_encodeBetterBlockAsm12B:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_repeat_encodeBetterBlockAsm12B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_repeat_encodeBetterBlockAsm12B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_repeat_encodeBetterBlockAsm12B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm12B
|
|
|
|
two_bytes_match_emit_repeat_encodeBetterBlockAsm12B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_repeat_encodeBetterBlockAsm12B
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm12B
|
|
|
|
one_byte_match_emit_repeat_encodeBetterBlockAsm12B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_repeat_encodeBetterBlockAsm12B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x04
|
|
JLE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_4
|
|
CMPQ R9, $0x08
|
|
JB emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_4through7
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_4:
|
|
MOVL (R10), R11
|
|
MOVL R11, (AX)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_4through7:
|
|
MOVL (R10), R11
|
|
MOVL -4(R10)(R9*1), R10
|
|
MOVL R11, (AX)
|
|
MOVL R10, -4(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm12B_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm12B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_repeat_encodeBetterBlockAsm12B
|
|
|
|
memmove_long_match_emit_repeat_encodeBetterBlockAsm12B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm12Blarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm12Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm12Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_repeat_encodeBetterBlockAsm12B:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitRepeat
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_repeat_encodeBetterBlockAsm12B
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm12B
|
|
CMPL R8, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm12B
|
|
|
|
cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm12B:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_repeat_encodeBetterBlockAsm12B
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
|
|
|
|
repeat_three_match_nolit_repeat_encodeBetterBlockAsm12B:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
|
|
|
|
repeat_two_match_nolit_repeat_encodeBetterBlockAsm12B:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm12B
|
|
|
|
repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm12B:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
|
|
match_nolit_emitcopy_end_encodeBetterBlockAsm12B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeBetterBlockAsm12B
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeBetterBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeBetterBlockAsm12B:
|
|
MOVQ $0x0000cf1bbcdcbf9b, SI
|
|
MOVQ $0x9e3779b1, R8
|
|
INCL DI
|
|
MOVQ (DX)(DI*1), R9
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
MOVQ R9, R12
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
SHRQ $0x10, R12
|
|
LEAL 1(DI), R14
|
|
LEAL 2(DI), R15
|
|
MOVQ -2(DX)(CX*1), R9
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x32, R10
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x32, R13
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x34, R11
|
|
SHLQ $0x20, R12
|
|
IMULQ R8, R12
|
|
SHRQ $0x34, R12
|
|
MOVL DI, 24(SP)(R10*4)
|
|
MOVL R14, 24(SP)(R13*4)
|
|
MOVL R14, 65560(SP)(R11*4)
|
|
MOVL R15, 65560(SP)(R12*4)
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
LEAL -2(CX), R9
|
|
LEAL -1(CX), DI
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x32, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x34, R11
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x32, R13
|
|
MOVL R9, 24(SP)(R10*4)
|
|
MOVL DI, 65560(SP)(R11*4)
|
|
MOVL DI, 24(SP)(R13*4)
|
|
JMP search_loop_encodeBetterBlockAsm12B
|
|
|
|
emit_remainder_encodeBetterBlockAsm12B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeBetterBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeBetterBlockAsm12B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeBetterBlockAsm12B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeBetterBlockAsm12B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeBetterBlockAsm12B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm12B
|
|
|
|
two_bytes_emit_remainder_encodeBetterBlockAsm12B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeBetterBlockAsm12B
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm12B
|
|
|
|
one_byte_emit_remainder_encodeBetterBlockAsm12B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeBetterBlockAsm12B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x04
|
|
JLE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_4
|
|
CMPQ BX, $0x08
|
|
JB emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_4through7
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_4:
|
|
MOVL (CX), SI
|
|
MOVL SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_4through7:
|
|
MOVL (CX), SI
|
|
MOVL -4(CX)(BX*1), CX
|
|
MOVL SI, (AX)
|
|
MOVL CX, -4(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm12B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeBetterBlockAsm12B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeBetterBlockAsm12B
|
|
|
|
memmove_long_emit_remainder_encodeBetterBlockAsm12B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm12Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm12Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm12Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm12Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeBetterBlockAsm12B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeBetterBlockAsm10B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeBetterBlockAsm10B(SB), $20504-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x000000a0, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeBetterBlockAsm10B:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeBetterBlockAsm10B
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -6(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL $0x00000000, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeBetterBlockAsm10B:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x05, SI
|
|
LEAL 1(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeBetterBlockAsm10B
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ $0x9e3779b1, SI
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x34, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ SI, R11
|
|
SHRQ $0x36, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 16408(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
MOVL CX, 16408(SP)(R11*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBetterBlockAsm10B
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidateS_match_encodeBetterBlockAsm10B
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeBetterBlockAsm10B
|
|
|
|
candidateS_match_encodeBetterBlockAsm10B:
|
|
SHRQ $0x08, DI
|
|
MOVQ DI, R10
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x34, R10
|
|
MOVL 24(SP)(R10*4), SI
|
|
INCL CX
|
|
MOVL CX, 24(SP)(R10*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBetterBlockAsm10B
|
|
DECL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeBetterBlockAsm10B:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeBetterBlockAsm10B
|
|
|
|
match_extend_back_loop_encodeBetterBlockAsm10B:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeBetterBlockAsm10B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeBetterBlockAsm10B
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeBetterBlockAsm10B
|
|
JMP match_extend_back_loop_encodeBetterBlockAsm10B
|
|
|
|
match_extend_back_end_encodeBetterBlockAsm10B:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeBetterBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeBetterBlockAsm10B:
|
|
MOVL CX, DI
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), R10
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_match_nolit_encodeBetterBlockAsm10B
|
|
|
|
matchlen_loopback_match_nolit_encodeBetterBlockAsm10B:
|
|
MOVQ (R9)(R12*1), R11
|
|
XORQ (R10)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_match_nolit_encodeBetterBlockAsm10B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP match_nolit_end_encodeBetterBlockAsm10B
|
|
|
|
matchlen_loop_match_nolit_encodeBetterBlockAsm10B:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R12), R12
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeBetterBlockAsm10B
|
|
JZ match_nolit_end_encodeBetterBlockAsm10B
|
|
|
|
matchlen_match4_match_nolit_encodeBetterBlockAsm10B:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_match_nolit_encodeBetterBlockAsm10B
|
|
MOVL (R9)(R12*1), R11
|
|
CMPL (R10)(R12*1), R11
|
|
JNE matchlen_match2_match_nolit_encodeBetterBlockAsm10B
|
|
SUBL $0x04, R8
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_match_nolit_encodeBetterBlockAsm10B:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_match_nolit_encodeBetterBlockAsm10B
|
|
MOVW (R9)(R12*1), R11
|
|
CMPW (R10)(R12*1), R11
|
|
JNE matchlen_match1_match_nolit_encodeBetterBlockAsm10B
|
|
SUBL $0x02, R8
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_match_nolit_encodeBetterBlockAsm10B:
|
|
CMPL R8, $0x01
|
|
JL match_nolit_end_encodeBetterBlockAsm10B
|
|
MOVB (R9)(R12*1), R11
|
|
CMPB (R10)(R12*1), R11
|
|
JNE match_nolit_end_encodeBetterBlockAsm10B
|
|
LEAL 1(R12), R12
|
|
|
|
match_nolit_end_encodeBetterBlockAsm10B:
|
|
MOVL CX, R8
|
|
SUBL SI, R8
|
|
|
|
// Check if repeat
|
|
CMPL 16(SP), R8
|
|
JEQ match_is_repeat_encodeBetterBlockAsm10B
|
|
MOVL R8, 16(SP)
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_encodeBetterBlockAsm10B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_encodeBetterBlockAsm10B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_encodeBetterBlockAsm10B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm10B
|
|
|
|
two_bytes_match_emit_encodeBetterBlockAsm10B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_encodeBetterBlockAsm10B
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm10B
|
|
|
|
one_byte_match_emit_encodeBetterBlockAsm10B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeBetterBlockAsm10B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x04
|
|
JLE emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_4
|
|
CMPQ R9, $0x08
|
|
JB emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_4through7
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_4:
|
|
MOVL (R10), R11
|
|
MOVL R11, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_4through7:
|
|
MOVL (R10), R11
|
|
MOVL -4(R10)(R9*1), R10
|
|
MOVL R11, (AX)
|
|
MOVL R10, -4(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm10B_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeBetterBlockAsm10B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_encodeBetterBlockAsm10B
|
|
|
|
memmove_long_match_emit_encodeBetterBlockAsm10B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm10Blarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm10Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm10Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_encodeBetterBlockAsm10B:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeBetterBlockAsm10B:
|
|
CMPL R12, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeBetterBlockAsm10B
|
|
MOVB $0xee, (AX)
|
|
MOVW R8, 1(AX)
|
|
LEAL -60(R12), R12
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBetterBlockAsm10B_emit_copy_short
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm10B_emit_copy_short
|
|
CMPL R8, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_encodeBetterBlockAsm10B_emit_copy_short
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm10B_emit_copy_short:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBetterBlockAsm10B_emit_copy_short
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
|
|
|
|
repeat_three_match_nolit_encodeBetterBlockAsm10B_emit_copy_short:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
|
|
|
|
repeat_two_match_nolit_encodeBetterBlockAsm10B_emit_copy_short:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
|
|
|
|
repeat_two_offset_match_nolit_encodeBetterBlockAsm10B_emit_copy_short:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
|
|
JMP two_byte_offset_match_nolit_encodeBetterBlockAsm10B
|
|
|
|
two_byte_offset_short_match_nolit_encodeBetterBlockAsm10B:
|
|
CMPL R12, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm10B
|
|
CMPL R8, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm10B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SHRL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
|
|
|
|
emit_copy_three_match_nolit_encodeBetterBlockAsm10B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
|
|
|
|
match_is_repeat_encodeBetterBlockAsm10B:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_repeat_encodeBetterBlockAsm10B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_repeat_encodeBetterBlockAsm10B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_repeat_encodeBetterBlockAsm10B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm10B
|
|
|
|
two_bytes_match_emit_repeat_encodeBetterBlockAsm10B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_repeat_encodeBetterBlockAsm10B
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm10B
|
|
|
|
one_byte_match_emit_repeat_encodeBetterBlockAsm10B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_repeat_encodeBetterBlockAsm10B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x04
|
|
JLE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_4
|
|
CMPQ R9, $0x08
|
|
JB emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_4through7
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_4:
|
|
MOVL (R10), R11
|
|
MOVL R11, (AX)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_4through7:
|
|
MOVL (R10), R11
|
|
MOVL -4(R10)(R9*1), R10
|
|
MOVL R11, (AX)
|
|
MOVL R10, -4(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm10B_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm10B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_repeat_encodeBetterBlockAsm10B
|
|
|
|
memmove_long_match_emit_repeat_encodeBetterBlockAsm10B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm10Blarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm10Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm10Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_repeat_encodeBetterBlockAsm10B:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitRepeat
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_repeat_encodeBetterBlockAsm10B
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm10B
|
|
CMPL R8, $0x00000800
|
|
JLT repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm10B
|
|
|
|
cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm10B:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_repeat_encodeBetterBlockAsm10B
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
|
|
|
|
repeat_three_match_nolit_repeat_encodeBetterBlockAsm10B:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
|
|
|
|
repeat_two_match_nolit_repeat_encodeBetterBlockAsm10B:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm10B
|
|
|
|
repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm10B:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
|
|
match_nolit_emitcopy_end_encodeBetterBlockAsm10B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeBetterBlockAsm10B
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeBetterBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeBetterBlockAsm10B:
|
|
MOVQ $0x0000cf1bbcdcbf9b, SI
|
|
MOVQ $0x9e3779b1, R8
|
|
INCL DI
|
|
MOVQ (DX)(DI*1), R9
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
MOVQ R9, R12
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
SHRQ $0x10, R12
|
|
LEAL 1(DI), R14
|
|
LEAL 2(DI), R15
|
|
MOVQ -2(DX)(CX*1), R9
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x34, R10
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x34, R13
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x36, R11
|
|
SHLQ $0x20, R12
|
|
IMULQ R8, R12
|
|
SHRQ $0x36, R12
|
|
MOVL DI, 24(SP)(R10*4)
|
|
MOVL R14, 24(SP)(R13*4)
|
|
MOVL R14, 16408(SP)(R11*4)
|
|
MOVL R15, 16408(SP)(R12*4)
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
LEAL -2(CX), R9
|
|
LEAL -1(CX), DI
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x34, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x36, R11
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x34, R13
|
|
MOVL R9, 24(SP)(R10*4)
|
|
MOVL DI, 16408(SP)(R11*4)
|
|
MOVL DI, 24(SP)(R13*4)
|
|
JMP search_loop_encodeBetterBlockAsm10B
|
|
|
|
emit_remainder_encodeBetterBlockAsm10B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeBetterBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeBetterBlockAsm10B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeBetterBlockAsm10B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeBetterBlockAsm10B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeBetterBlockAsm10B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm10B
|
|
|
|
two_bytes_emit_remainder_encodeBetterBlockAsm10B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeBetterBlockAsm10B
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm10B
|
|
|
|
one_byte_emit_remainder_encodeBetterBlockAsm10B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeBetterBlockAsm10B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x04
|
|
JLE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_4
|
|
CMPQ BX, $0x08
|
|
JB emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_4through7
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_4:
|
|
MOVL (CX), SI
|
|
MOVL SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_4through7:
|
|
MOVL (CX), SI
|
|
MOVL -4(CX)(BX*1), CX
|
|
MOVL SI, (AX)
|
|
MOVL CX, -4(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm10B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeBetterBlockAsm10B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeBetterBlockAsm10B
|
|
|
|
memmove_long_emit_remainder_encodeBetterBlockAsm10B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm10Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm10Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm10Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm10Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeBetterBlockAsm10B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeBetterBlockAsm8B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeBetterBlockAsm8B(SB), $5144-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000028, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeBetterBlockAsm8B:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeBetterBlockAsm8B
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -6(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL $0x00000000, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeBetterBlockAsm8B:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x04, SI
|
|
LEAL 1(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeBetterBlockAsm8B
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ $0x9e3779b1, SI
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x36, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ SI, R11
|
|
SHRQ $0x38, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 4120(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
MOVL CX, 4120(SP)(R11*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBetterBlockAsm8B
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidateS_match_encodeBetterBlockAsm8B
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeBetterBlockAsm8B
|
|
|
|
candidateS_match_encodeBetterBlockAsm8B:
|
|
SHRQ $0x08, DI
|
|
MOVQ DI, R10
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x36, R10
|
|
MOVL 24(SP)(R10*4), SI
|
|
INCL CX
|
|
MOVL CX, 24(SP)(R10*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeBetterBlockAsm8B
|
|
DECL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeBetterBlockAsm8B:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeBetterBlockAsm8B
|
|
|
|
match_extend_back_loop_encodeBetterBlockAsm8B:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeBetterBlockAsm8B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeBetterBlockAsm8B
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeBetterBlockAsm8B
|
|
JMP match_extend_back_loop_encodeBetterBlockAsm8B
|
|
|
|
match_extend_back_end_encodeBetterBlockAsm8B:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeBetterBlockAsm8B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeBetterBlockAsm8B:
|
|
MOVL CX, DI
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), R10
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_match_nolit_encodeBetterBlockAsm8B
|
|
|
|
matchlen_loopback_match_nolit_encodeBetterBlockAsm8B:
|
|
MOVQ (R9)(R12*1), R11
|
|
XORQ (R10)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_match_nolit_encodeBetterBlockAsm8B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP match_nolit_end_encodeBetterBlockAsm8B
|
|
|
|
matchlen_loop_match_nolit_encodeBetterBlockAsm8B:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R12), R12
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeBetterBlockAsm8B
|
|
JZ match_nolit_end_encodeBetterBlockAsm8B
|
|
|
|
matchlen_match4_match_nolit_encodeBetterBlockAsm8B:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_match_nolit_encodeBetterBlockAsm8B
|
|
MOVL (R9)(R12*1), R11
|
|
CMPL (R10)(R12*1), R11
|
|
JNE matchlen_match2_match_nolit_encodeBetterBlockAsm8B
|
|
SUBL $0x04, R8
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_match_nolit_encodeBetterBlockAsm8B:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_match_nolit_encodeBetterBlockAsm8B
|
|
MOVW (R9)(R12*1), R11
|
|
CMPW (R10)(R12*1), R11
|
|
JNE matchlen_match1_match_nolit_encodeBetterBlockAsm8B
|
|
SUBL $0x02, R8
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_match_nolit_encodeBetterBlockAsm8B:
|
|
CMPL R8, $0x01
|
|
JL match_nolit_end_encodeBetterBlockAsm8B
|
|
MOVB (R9)(R12*1), R11
|
|
CMPB (R10)(R12*1), R11
|
|
JNE match_nolit_end_encodeBetterBlockAsm8B
|
|
LEAL 1(R12), R12
|
|
|
|
match_nolit_end_encodeBetterBlockAsm8B:
|
|
MOVL CX, R8
|
|
SUBL SI, R8
|
|
|
|
// Check if repeat
|
|
CMPL 16(SP), R8
|
|
JEQ match_is_repeat_encodeBetterBlockAsm8B
|
|
MOVL R8, 16(SP)
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_encodeBetterBlockAsm8B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_encodeBetterBlockAsm8B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_encodeBetterBlockAsm8B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm8B
|
|
|
|
two_bytes_match_emit_encodeBetterBlockAsm8B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_encodeBetterBlockAsm8B
|
|
JMP memmove_long_match_emit_encodeBetterBlockAsm8B
|
|
|
|
one_byte_match_emit_encodeBetterBlockAsm8B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeBetterBlockAsm8B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x04
|
|
JLE emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_4
|
|
CMPQ R9, $0x08
|
|
JB emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_4through7
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_4:
|
|
MOVL (R10), R11
|
|
MOVL R11, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_4through7:
|
|
MOVL (R10), R11
|
|
MOVL -4(R10)(R9*1), R10
|
|
MOVL R11, (AX)
|
|
MOVL R10, -4(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_encodeBetterBlockAsm8B_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeBetterBlockAsm8B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_encodeBetterBlockAsm8B
|
|
|
|
memmove_long_match_emit_encodeBetterBlockAsm8B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm8Blarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_encodeBetterBlockAsm8Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeBetterBlockAsm8Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_encodeBetterBlockAsm8B:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeBetterBlockAsm8B:
|
|
CMPL R12, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeBetterBlockAsm8B
|
|
MOVB $0xee, (AX)
|
|
MOVW R8, 1(AX)
|
|
LEAL -60(R12), R12
|
|
ADDQ $0x03, AX
|
|
|
|
// emitRepeat
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_encodeBetterBlockAsm8B_emit_copy_short
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm8B_emit_copy_short
|
|
|
|
cant_repeat_two_offset_match_nolit_encodeBetterBlockAsm8B_emit_copy_short:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_encodeBetterBlockAsm8B_emit_copy_short
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
|
|
|
|
repeat_three_match_nolit_encodeBetterBlockAsm8B_emit_copy_short:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
|
|
|
|
repeat_two_match_nolit_encodeBetterBlockAsm8B_emit_copy_short:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
|
|
JMP two_byte_offset_match_nolit_encodeBetterBlockAsm8B
|
|
|
|
two_byte_offset_short_match_nolit_encodeBetterBlockAsm8B:
|
|
CMPL R12, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeBetterBlockAsm8B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SHRL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
|
|
|
|
emit_copy_three_match_nolit_encodeBetterBlockAsm8B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
|
|
|
|
match_is_repeat_encodeBetterBlockAsm8B:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_repeat_encodeBetterBlockAsm8B
|
|
MOVL DI, R8
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R9
|
|
SUBL SI, R8
|
|
LEAL -1(R8), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_repeat_encodeBetterBlockAsm8B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_repeat_encodeBetterBlockAsm8B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm8B
|
|
|
|
two_bytes_match_emit_repeat_encodeBetterBlockAsm8B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_repeat_encodeBetterBlockAsm8B
|
|
JMP memmove_long_match_emit_repeat_encodeBetterBlockAsm8B
|
|
|
|
one_byte_match_emit_repeat_encodeBetterBlockAsm8B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_repeat_encodeBetterBlockAsm8B:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R8, $0x04
|
|
JLE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_4
|
|
CMPQ R8, $0x08
|
|
JB emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_4through7
|
|
CMPQ R8, $0x10
|
|
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_8through16
|
|
CMPQ R8, $0x20
|
|
JBE emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_4:
|
|
MOVL (R9), R10
|
|
MOVL R10, (AX)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_4through7:
|
|
MOVL (R9), R10
|
|
MOVL -4(R9)(R8*1), R9
|
|
MOVL R10, (AX)
|
|
MOVL R9, -4(AX)(R8*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_8through16:
|
|
MOVQ (R9), R10
|
|
MOVQ -8(R9)(R8*1), R9
|
|
MOVQ R10, (AX)
|
|
MOVQ R9, -8(AX)(R8*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_17through32:
|
|
MOVOU (R9), X0
|
|
MOVOU -16(R9)(R8*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R8*1)
|
|
JMP memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_repeat_encodeBetterBlockAsm8B_memmove_move_33through64:
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
|
|
memmove_end_copy_match_emit_repeat_encodeBetterBlockAsm8B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_repeat_encodeBetterBlockAsm8B
|
|
|
|
memmove_long_match_emit_repeat_encodeBetterBlockAsm8B:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVQ R8, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R13
|
|
SUBQ R10, R13
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
|
|
LEAQ -32(R9)(R13*1), R10
|
|
LEAQ -32(AX)(R13*1), R14
|
|
|
|
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm8Blarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R14)
|
|
MOVOA X5, 16(R14)
|
|
ADDQ $0x20, R14
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R13
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm8Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm8Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R9)(R13*1), X4
|
|
MOVOU -16(R9)(R13*1), X5
|
|
MOVOA X4, -32(AX)(R13*1)
|
|
MOVOA X5, -16(AX)(R13*1)
|
|
ADDQ $0x20, R13
|
|
CMPQ R8, R13
|
|
JAE emit_lit_memmove_long_match_emit_repeat_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_repeat_encodeBetterBlockAsm8B:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitRepeat
|
|
MOVL R12, SI
|
|
LEAL -4(R12), R12
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_match_nolit_repeat_encodeBetterBlockAsm8B
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm8B
|
|
|
|
cant_repeat_two_offset_match_nolit_repeat_encodeBetterBlockAsm8B:
|
|
CMPL R12, $0x00000104
|
|
JLT repeat_three_match_nolit_repeat_encodeBetterBlockAsm8B
|
|
LEAL -256(R12), R12
|
|
MOVW $0x0019, (AX)
|
|
MOVW R12, 2(AX)
|
|
ADDQ $0x04, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
|
|
|
|
repeat_three_match_nolit_repeat_encodeBetterBlockAsm8B:
|
|
LEAL -4(R12), R12
|
|
MOVW $0x0015, (AX)
|
|
MOVB R12, 2(AX)
|
|
ADDQ $0x03, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
|
|
|
|
repeat_two_match_nolit_repeat_encodeBetterBlockAsm8B:
|
|
SHLL $0x02, R12
|
|
ORL $0x01, R12
|
|
MOVW R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeBetterBlockAsm8B
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SARL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
|
|
match_nolit_emitcopy_end_encodeBetterBlockAsm8B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeBetterBlockAsm8B
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeBetterBlockAsm8B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeBetterBlockAsm8B:
|
|
MOVQ $0x0000cf1bbcdcbf9b, SI
|
|
MOVQ $0x9e3779b1, R8
|
|
INCL DI
|
|
MOVQ (DX)(DI*1), R9
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
MOVQ R9, R12
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
SHRQ $0x10, R12
|
|
LEAL 1(DI), R14
|
|
LEAL 2(DI), R15
|
|
MOVQ -2(DX)(CX*1), R9
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x36, R10
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x36, R13
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x38, R11
|
|
SHLQ $0x20, R12
|
|
IMULQ R8, R12
|
|
SHRQ $0x38, R12
|
|
MOVL DI, 24(SP)(R10*4)
|
|
MOVL R14, 24(SP)(R13*4)
|
|
MOVL R14, 4120(SP)(R11*4)
|
|
MOVL R15, 4120(SP)(R12*4)
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
LEAL -2(CX), R9
|
|
LEAL -1(CX), DI
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x36, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x38, R11
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x36, R13
|
|
MOVL R9, 24(SP)(R10*4)
|
|
MOVL DI, 4120(SP)(R11*4)
|
|
MOVL DI, 24(SP)(R13*4)
|
|
JMP search_loop_encodeBetterBlockAsm8B
|
|
|
|
emit_remainder_encodeBetterBlockAsm8B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeBetterBlockAsm8B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeBetterBlockAsm8B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeBetterBlockAsm8B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeBetterBlockAsm8B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeBetterBlockAsm8B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm8B
|
|
|
|
two_bytes_emit_remainder_encodeBetterBlockAsm8B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeBetterBlockAsm8B
|
|
JMP memmove_long_emit_remainder_encodeBetterBlockAsm8B
|
|
|
|
one_byte_emit_remainder_encodeBetterBlockAsm8B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeBetterBlockAsm8B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x04
|
|
JLE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_4
|
|
CMPQ BX, $0x08
|
|
JB emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_4through7
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_4:
|
|
MOVL (CX), SI
|
|
MOVL SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_4through7:
|
|
MOVL (CX), SI
|
|
MOVL -4(CX)(BX*1), CX
|
|
MOVL SI, (AX)
|
|
MOVL CX, -4(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeBetterBlockAsm8B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeBetterBlockAsm8B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeBetterBlockAsm8B
|
|
|
|
memmove_long_emit_remainder_encodeBetterBlockAsm8B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm8Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm8Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm8Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeBetterBlockAsm8Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeBetterBlockAsm8B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeSnappyBlockAsm(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeSnappyBlockAsm(SB), $65560-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000200, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeSnappyBlockAsm:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeSnappyBlockAsm
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL CX, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeSnappyBlockAsm:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x06, SI
|
|
LEAL 4(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBlockAsm
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHRQ $0x08, R11
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x32, R10
|
|
SHLQ $0x10, R11
|
|
IMULQ R9, R11
|
|
SHRQ $0x32, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 24(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
LEAL 1(CX), R10
|
|
MOVL R10, 24(SP)(R11*4)
|
|
MOVQ DI, R10
|
|
SHRQ $0x10, R10
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x32, R10
|
|
MOVL CX, R9
|
|
SUBL 16(SP), R9
|
|
MOVL 1(DX)(R9*1), R11
|
|
MOVQ DI, R9
|
|
SHRQ $0x08, R9
|
|
CMPL R9, R11
|
|
JNE no_repeat_found_encodeSnappyBlockAsm
|
|
LEAL 1(CX), DI
|
|
MOVL 12(SP), SI
|
|
MOVL DI, R8
|
|
SUBL 16(SP), R8
|
|
JZ repeat_extend_back_end_encodeSnappyBlockAsm
|
|
|
|
repeat_extend_back_loop_encodeSnappyBlockAsm:
|
|
CMPL DI, SI
|
|
JLE repeat_extend_back_end_encodeSnappyBlockAsm
|
|
MOVB -1(DX)(R8*1), BL
|
|
MOVB -1(DX)(DI*1), R9
|
|
CMPB BL, R9
|
|
JNE repeat_extend_back_end_encodeSnappyBlockAsm
|
|
LEAL -1(DI), DI
|
|
DECL R8
|
|
JNZ repeat_extend_back_loop_encodeSnappyBlockAsm
|
|
|
|
repeat_extend_back_end_encodeSnappyBlockAsm:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_repeat_emit_encodeSnappyBlockAsm
|
|
MOVL DI, R8
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R9
|
|
SUBL SI, R8
|
|
LEAL -1(R8), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_repeat_emit_encodeSnappyBlockAsm
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_repeat_emit_encodeSnappyBlockAsm
|
|
CMPL SI, $0x00010000
|
|
JLT three_bytes_repeat_emit_encodeSnappyBlockAsm
|
|
CMPL SI, $0x01000000
|
|
JLT four_bytes_repeat_emit_encodeSnappyBlockAsm
|
|
MOVB $0xfc, (AX)
|
|
MOVL SI, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm
|
|
|
|
four_bytes_repeat_emit_encodeSnappyBlockAsm:
|
|
MOVL SI, R10
|
|
SHRL $0x10, R10
|
|
MOVB $0xf8, (AX)
|
|
MOVW SI, 1(AX)
|
|
MOVB R10, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm
|
|
|
|
three_bytes_repeat_emit_encodeSnappyBlockAsm:
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm
|
|
|
|
two_bytes_repeat_emit_encodeSnappyBlockAsm:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_repeat_emit_encodeSnappyBlockAsm
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm
|
|
|
|
one_byte_repeat_emit_encodeSnappyBlockAsm:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_repeat_emit_encodeSnappyBlockAsm:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R8, $0x08
|
|
JLE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_8
|
|
CMPQ R8, $0x10
|
|
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_8through16
|
|
CMPQ R8, $0x20
|
|
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_17through32
|
|
JMP emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_33through64
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_8:
|
|
MOVQ (R9), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_8through16:
|
|
MOVQ (R9), R10
|
|
MOVQ -8(R9)(R8*1), R9
|
|
MOVQ R10, (AX)
|
|
MOVQ R9, -8(AX)(R8*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_17through32:
|
|
MOVOU (R9), X0
|
|
MOVOU -16(R9)(R8*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R8*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm_memmove_move_33through64:
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
|
|
memmove_end_copy_repeat_emit_encodeSnappyBlockAsm:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_repeat_emit_encodeSnappyBlockAsm
|
|
|
|
memmove_long_repeat_emit_encodeSnappyBlockAsm:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVQ R8, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32
|
|
LEAQ -32(R9)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsmlarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsmlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32:
|
|
MOVOU -32(R9)(R12*1), X4
|
|
MOVOU -16(R9)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R8, R12
|
|
JAE emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_repeat_emit_encodeSnappyBlockAsm:
|
|
ADDL $0x05, CX
|
|
MOVL CX, SI
|
|
SUBL 16(SP), SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R11, R11
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_repeat_extend_encodeSnappyBlockAsm
|
|
|
|
matchlen_loopback_repeat_extend_encodeSnappyBlockAsm:
|
|
MOVQ (R9)(R11*1), R10
|
|
XORQ (SI)(R11*1), R10
|
|
TESTQ R10, R10
|
|
JZ matchlen_loop_repeat_extend_encodeSnappyBlockAsm
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R10, R10
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R10, R10
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R10, R10
|
|
|
|
#endif
|
|
SARQ $0x03, R10
|
|
LEAL (R11)(R10*1), R11
|
|
JMP repeat_extend_forward_end_encodeSnappyBlockAsm
|
|
|
|
matchlen_loop_repeat_extend_encodeSnappyBlockAsm:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R11), R11
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_repeat_extend_encodeSnappyBlockAsm
|
|
JZ repeat_extend_forward_end_encodeSnappyBlockAsm
|
|
|
|
matchlen_match4_repeat_extend_encodeSnappyBlockAsm:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_repeat_extend_encodeSnappyBlockAsm
|
|
MOVL (R9)(R11*1), R10
|
|
CMPL (SI)(R11*1), R10
|
|
JNE matchlen_match2_repeat_extend_encodeSnappyBlockAsm
|
|
SUBL $0x04, R8
|
|
LEAL 4(R11), R11
|
|
|
|
matchlen_match2_repeat_extend_encodeSnappyBlockAsm:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_repeat_extend_encodeSnappyBlockAsm
|
|
MOVW (R9)(R11*1), R10
|
|
CMPW (SI)(R11*1), R10
|
|
JNE matchlen_match1_repeat_extend_encodeSnappyBlockAsm
|
|
SUBL $0x02, R8
|
|
LEAL 2(R11), R11
|
|
|
|
matchlen_match1_repeat_extend_encodeSnappyBlockAsm:
|
|
CMPL R8, $0x01
|
|
JL repeat_extend_forward_end_encodeSnappyBlockAsm
|
|
MOVB (R9)(R11*1), R10
|
|
CMPB (SI)(R11*1), R10
|
|
JNE repeat_extend_forward_end_encodeSnappyBlockAsm
|
|
LEAL 1(R11), R11
|
|
|
|
repeat_extend_forward_end_encodeSnappyBlockAsm:
|
|
ADDL R11, CX
|
|
MOVL CX, SI
|
|
SUBL DI, SI
|
|
MOVL 16(SP), DI
|
|
|
|
// emitCopy
|
|
CMPL DI, $0x00010000
|
|
JL two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm
|
|
|
|
four_bytes_loop_back_repeat_as_copy_encodeSnappyBlockAsm:
|
|
CMPL SI, $0x40
|
|
JLE four_bytes_remain_repeat_as_copy_encodeSnappyBlockAsm
|
|
MOVB $0xff, (AX)
|
|
MOVL DI, 1(AX)
|
|
LEAL -64(SI), SI
|
|
ADDQ $0x05, AX
|
|
CMPL SI, $0x04
|
|
JL four_bytes_remain_repeat_as_copy_encodeSnappyBlockAsm
|
|
JMP four_bytes_loop_back_repeat_as_copy_encodeSnappyBlockAsm
|
|
|
|
four_bytes_remain_repeat_as_copy_encodeSnappyBlockAsm:
|
|
TESTL SI, SI
|
|
JZ repeat_end_emit_encodeSnappyBlockAsm
|
|
MOVB $0x03, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVL DI, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP repeat_end_emit_encodeSnappyBlockAsm
|
|
|
|
two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm:
|
|
CMPL SI, $0x40
|
|
JLE two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm
|
|
MOVB $0xee, (AX)
|
|
MOVW DI, 1(AX)
|
|
LEAL -60(SI), SI
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm
|
|
|
|
two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm:
|
|
CMPL SI, $0x0c
|
|
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm
|
|
CMPL DI, $0x00000800
|
|
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SHRL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeSnappyBlockAsm
|
|
|
|
emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVW DI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
repeat_end_emit_encodeSnappyBlockAsm:
|
|
MOVL CX, 12(SP)
|
|
JMP search_loop_encodeSnappyBlockAsm
|
|
|
|
no_repeat_found_encodeSnappyBlockAsm:
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBlockAsm
|
|
SHRQ $0x08, DI
|
|
MOVL 24(SP)(R10*4), SI
|
|
LEAL 2(CX), R9
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidate2_match_encodeSnappyBlockAsm
|
|
MOVL R9, 24(SP)(R10*4)
|
|
SHRQ $0x08, DI
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate3_match_encodeSnappyBlockAsm
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeSnappyBlockAsm
|
|
|
|
candidate3_match_encodeSnappyBlockAsm:
|
|
ADDL $0x02, CX
|
|
JMP candidate_match_encodeSnappyBlockAsm
|
|
|
|
candidate2_match_encodeSnappyBlockAsm:
|
|
MOVL R9, 24(SP)(R10*4)
|
|
INCL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeSnappyBlockAsm:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeSnappyBlockAsm
|
|
|
|
match_extend_back_loop_encodeSnappyBlockAsm:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeSnappyBlockAsm
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeSnappyBlockAsm
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeSnappyBlockAsm
|
|
JMP match_extend_back_loop_encodeSnappyBlockAsm
|
|
|
|
match_extend_back_end_encodeSnappyBlockAsm:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 5(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeSnappyBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeSnappyBlockAsm:
|
|
MOVL CX, DI
|
|
MOVL 12(SP), R8
|
|
CMPL R8, DI
|
|
JEQ emit_literal_done_match_emit_encodeSnappyBlockAsm
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(R8*1), DI
|
|
SUBL R8, R9
|
|
LEAL -1(R9), R8
|
|
CMPL R8, $0x3c
|
|
JLT one_byte_match_emit_encodeSnappyBlockAsm
|
|
CMPL R8, $0x00000100
|
|
JLT two_bytes_match_emit_encodeSnappyBlockAsm
|
|
CMPL R8, $0x00010000
|
|
JLT three_bytes_match_emit_encodeSnappyBlockAsm
|
|
CMPL R8, $0x01000000
|
|
JLT four_bytes_match_emit_encodeSnappyBlockAsm
|
|
MOVB $0xfc, (AX)
|
|
MOVL R8, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm
|
|
|
|
four_bytes_match_emit_encodeSnappyBlockAsm:
|
|
MOVL R8, R10
|
|
SHRL $0x10, R10
|
|
MOVB $0xf8, (AX)
|
|
MOVW R8, 1(AX)
|
|
MOVB R10, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm
|
|
|
|
three_bytes_match_emit_encodeSnappyBlockAsm:
|
|
MOVB $0xf4, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm
|
|
|
|
two_bytes_match_emit_encodeSnappyBlockAsm:
|
|
MOVB $0xf0, (AX)
|
|
MOVB R8, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL R8, $0x40
|
|
JL memmove_match_emit_encodeSnappyBlockAsm
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm
|
|
|
|
one_byte_match_emit_encodeSnappyBlockAsm:
|
|
SHLB $0x02, R8
|
|
MOVB R8, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeSnappyBlockAsm:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_8:
|
|
MOVQ (DI), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_8through16:
|
|
MOVQ (DI), R10
|
|
MOVQ -8(DI)(R9*1), DI
|
|
MOVQ R10, (AX)
|
|
MOVQ DI, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_17through32:
|
|
MOVOU (DI), X0
|
|
MOVOU -16(DI)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm_memmove_move_33through64:
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeSnappyBlockAsm:
|
|
MOVQ R8, AX
|
|
JMP emit_literal_done_match_emit_encodeSnappyBlockAsm
|
|
|
|
memmove_long_match_emit_encodeSnappyBlockAsm:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveLong
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVQ R9, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32
|
|
LEAQ -32(DI)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsmlarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsmlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32:
|
|
MOVOU -32(DI)(R12*1), X4
|
|
MOVOU -16(DI)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R9, R12
|
|
JAE emit_lit_memmove_long_match_emit_encodeSnappyBlockAsmlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ R8, AX
|
|
|
|
emit_literal_done_match_emit_encodeSnappyBlockAsm:
|
|
match_nolit_loop_encodeSnappyBlockAsm:
|
|
MOVL CX, DI
|
|
SUBL SI, DI
|
|
MOVL DI, 16(SP)
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), DI
|
|
SUBL CX, DI
|
|
LEAQ (DX)(CX*1), R8
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R10, R10
|
|
CMPL DI, $0x08
|
|
JL matchlen_match4_match_nolit_encodeSnappyBlockAsm
|
|
|
|
matchlen_loopback_match_nolit_encodeSnappyBlockAsm:
|
|
MOVQ (R8)(R10*1), R9
|
|
XORQ (SI)(R10*1), R9
|
|
TESTQ R9, R9
|
|
JZ matchlen_loop_match_nolit_encodeSnappyBlockAsm
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R9, R9
|
|
|
|
#endif
|
|
SARQ $0x03, R9
|
|
LEAL (R10)(R9*1), R10
|
|
JMP match_nolit_end_encodeSnappyBlockAsm
|
|
|
|
matchlen_loop_match_nolit_encodeSnappyBlockAsm:
|
|
LEAL -8(DI), DI
|
|
LEAL 8(R10), R10
|
|
CMPL DI, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeSnappyBlockAsm
|
|
JZ match_nolit_end_encodeSnappyBlockAsm
|
|
|
|
matchlen_match4_match_nolit_encodeSnappyBlockAsm:
|
|
CMPL DI, $0x04
|
|
JL matchlen_match2_match_nolit_encodeSnappyBlockAsm
|
|
MOVL (R8)(R10*1), R9
|
|
CMPL (SI)(R10*1), R9
|
|
JNE matchlen_match2_match_nolit_encodeSnappyBlockAsm
|
|
SUBL $0x04, DI
|
|
LEAL 4(R10), R10
|
|
|
|
matchlen_match2_match_nolit_encodeSnappyBlockAsm:
|
|
CMPL DI, $0x02
|
|
JL matchlen_match1_match_nolit_encodeSnappyBlockAsm
|
|
MOVW (R8)(R10*1), R9
|
|
CMPW (SI)(R10*1), R9
|
|
JNE matchlen_match1_match_nolit_encodeSnappyBlockAsm
|
|
SUBL $0x02, DI
|
|
LEAL 2(R10), R10
|
|
|
|
matchlen_match1_match_nolit_encodeSnappyBlockAsm:
|
|
CMPL DI, $0x01
|
|
JL match_nolit_end_encodeSnappyBlockAsm
|
|
MOVB (R8)(R10*1), R9
|
|
CMPB (SI)(R10*1), R9
|
|
JNE match_nolit_end_encodeSnappyBlockAsm
|
|
LEAL 1(R10), R10
|
|
|
|
match_nolit_end_encodeSnappyBlockAsm:
|
|
ADDL R10, CX
|
|
MOVL 16(SP), SI
|
|
ADDL $0x04, R10
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
CMPL SI, $0x00010000
|
|
JL two_byte_offset_match_nolit_encodeSnappyBlockAsm
|
|
|
|
four_bytes_loop_back_match_nolit_encodeSnappyBlockAsm:
|
|
CMPL R10, $0x40
|
|
JLE four_bytes_remain_match_nolit_encodeSnappyBlockAsm
|
|
MOVB $0xff, (AX)
|
|
MOVL SI, 1(AX)
|
|
LEAL -64(R10), R10
|
|
ADDQ $0x05, AX
|
|
CMPL R10, $0x04
|
|
JL four_bytes_remain_match_nolit_encodeSnappyBlockAsm
|
|
JMP four_bytes_loop_back_match_nolit_encodeSnappyBlockAsm
|
|
|
|
four_bytes_remain_match_nolit_encodeSnappyBlockAsm:
|
|
TESTL R10, R10
|
|
JZ match_nolit_emitcopy_end_encodeSnappyBlockAsm
|
|
MOVB $0x03, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVL SI, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm
|
|
|
|
two_byte_offset_match_nolit_encodeSnappyBlockAsm:
|
|
CMPL R10, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeSnappyBlockAsm
|
|
MOVB $0xee, (AX)
|
|
MOVW SI, 1(AX)
|
|
LEAL -60(R10), R10
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_match_nolit_encodeSnappyBlockAsm
|
|
|
|
two_byte_offset_short_match_nolit_encodeSnappyBlockAsm:
|
|
CMPL R10, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm
|
|
CMPL SI, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SHRL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm
|
|
|
|
emit_copy_three_match_nolit_encodeSnappyBlockAsm:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeSnappyBlockAsm:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBlockAsm
|
|
MOVQ -2(DX)(CX*1), DI
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeSnappyBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeSnappyBlockAsm:
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ DI, R8
|
|
SHRQ $0x10, DI
|
|
MOVQ DI, SI
|
|
SHLQ $0x10, R8
|
|
IMULQ R9, R8
|
|
SHRQ $0x32, R8
|
|
SHLQ $0x10, SI
|
|
IMULQ R9, SI
|
|
SHRQ $0x32, SI
|
|
LEAL -2(CX), R9
|
|
LEAQ 24(SP)(SI*4), R10
|
|
MOVL (R10), SI
|
|
MOVL R9, 24(SP)(R8*4)
|
|
MOVL CX, (R10)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ match_nolit_loop_encodeSnappyBlockAsm
|
|
INCL CX
|
|
JMP search_loop_encodeSnappyBlockAsm
|
|
|
|
emit_remainder_encodeSnappyBlockAsm:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 5(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeSnappyBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeSnappyBlockAsm:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeSnappyBlockAsm
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeSnappyBlockAsm
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeSnappyBlockAsm
|
|
CMPL DX, $0x00010000
|
|
JLT three_bytes_emit_remainder_encodeSnappyBlockAsm
|
|
CMPL DX, $0x01000000
|
|
JLT four_bytes_emit_remainder_encodeSnappyBlockAsm
|
|
MOVB $0xfc, (AX)
|
|
MOVL DX, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm
|
|
|
|
four_bytes_emit_remainder_encodeSnappyBlockAsm:
|
|
MOVL DX, BX
|
|
SHRL $0x10, BX
|
|
MOVB $0xf8, (AX)
|
|
MOVW DX, 1(AX)
|
|
MOVB BL, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm
|
|
|
|
three_bytes_emit_remainder_encodeSnappyBlockAsm:
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm
|
|
|
|
two_bytes_emit_remainder_encodeSnappyBlockAsm:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeSnappyBlockAsm
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm
|
|
|
|
one_byte_emit_remainder_encodeSnappyBlockAsm:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeSnappyBlockAsm:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeSnappyBlockAsm:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeSnappyBlockAsm
|
|
|
|
memmove_long_emit_remainder_encodeSnappyBlockAsm:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsmlarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsmlarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsmlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsmlarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsmlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeSnappyBlockAsm:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeSnappyBlockAsm64K(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeSnappyBlockAsm64K(SB), $65560-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000200, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeSnappyBlockAsm64K:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeSnappyBlockAsm64K
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL CX, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeSnappyBlockAsm64K:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x06, SI
|
|
LEAL 4(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBlockAsm64K
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHRQ $0x08, R11
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x32, R10
|
|
SHLQ $0x10, R11
|
|
IMULQ R9, R11
|
|
SHRQ $0x32, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 24(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
LEAL 1(CX), R10
|
|
MOVL R10, 24(SP)(R11*4)
|
|
MOVQ DI, R10
|
|
SHRQ $0x10, R10
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x32, R10
|
|
MOVL CX, R9
|
|
SUBL 16(SP), R9
|
|
MOVL 1(DX)(R9*1), R11
|
|
MOVQ DI, R9
|
|
SHRQ $0x08, R9
|
|
CMPL R9, R11
|
|
JNE no_repeat_found_encodeSnappyBlockAsm64K
|
|
LEAL 1(CX), DI
|
|
MOVL 12(SP), SI
|
|
MOVL DI, R8
|
|
SUBL 16(SP), R8
|
|
JZ repeat_extend_back_end_encodeSnappyBlockAsm64K
|
|
|
|
repeat_extend_back_loop_encodeSnappyBlockAsm64K:
|
|
CMPL DI, SI
|
|
JLE repeat_extend_back_end_encodeSnappyBlockAsm64K
|
|
MOVB -1(DX)(R8*1), BL
|
|
MOVB -1(DX)(DI*1), R9
|
|
CMPB BL, R9
|
|
JNE repeat_extend_back_end_encodeSnappyBlockAsm64K
|
|
LEAL -1(DI), DI
|
|
DECL R8
|
|
JNZ repeat_extend_back_loop_encodeSnappyBlockAsm64K
|
|
|
|
repeat_extend_back_end_encodeSnappyBlockAsm64K:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_repeat_emit_encodeSnappyBlockAsm64K
|
|
MOVL DI, R8
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R9
|
|
SUBL SI, R8
|
|
LEAL -1(R8), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_repeat_emit_encodeSnappyBlockAsm64K
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_repeat_emit_encodeSnappyBlockAsm64K
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm64K
|
|
|
|
two_bytes_repeat_emit_encodeSnappyBlockAsm64K:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_repeat_emit_encodeSnappyBlockAsm64K
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm64K
|
|
|
|
one_byte_repeat_emit_encodeSnappyBlockAsm64K:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_repeat_emit_encodeSnappyBlockAsm64K:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R8, $0x08
|
|
JLE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_8
|
|
CMPQ R8, $0x10
|
|
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_8through16
|
|
CMPQ R8, $0x20
|
|
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_17through32
|
|
JMP emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_33through64
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_8:
|
|
MOVQ (R9), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm64K
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_8through16:
|
|
MOVQ (R9), R10
|
|
MOVQ -8(R9)(R8*1), R9
|
|
MOVQ R10, (AX)
|
|
MOVQ R9, -8(AX)(R8*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm64K
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_17through32:
|
|
MOVOU (R9), X0
|
|
MOVOU -16(R9)(R8*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R8*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm64K
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm64K_memmove_move_33through64:
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
|
|
memmove_end_copy_repeat_emit_encodeSnappyBlockAsm64K:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_repeat_emit_encodeSnappyBlockAsm64K
|
|
|
|
memmove_long_repeat_emit_encodeSnappyBlockAsm64K:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVQ R8, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
|
|
LEAQ -32(R9)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm64Klarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm64Klarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32:
|
|
MOVOU -32(R9)(R12*1), X4
|
|
MOVOU -16(R9)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R8, R12
|
|
JAE emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_repeat_emit_encodeSnappyBlockAsm64K:
|
|
ADDL $0x05, CX
|
|
MOVL CX, SI
|
|
SUBL 16(SP), SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R11, R11
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_repeat_extend_encodeSnappyBlockAsm64K
|
|
|
|
matchlen_loopback_repeat_extend_encodeSnappyBlockAsm64K:
|
|
MOVQ (R9)(R11*1), R10
|
|
XORQ (SI)(R11*1), R10
|
|
TESTQ R10, R10
|
|
JZ matchlen_loop_repeat_extend_encodeSnappyBlockAsm64K
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R10, R10
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R10, R10
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R10, R10
|
|
|
|
#endif
|
|
SARQ $0x03, R10
|
|
LEAL (R11)(R10*1), R11
|
|
JMP repeat_extend_forward_end_encodeSnappyBlockAsm64K
|
|
|
|
matchlen_loop_repeat_extend_encodeSnappyBlockAsm64K:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R11), R11
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_repeat_extend_encodeSnappyBlockAsm64K
|
|
JZ repeat_extend_forward_end_encodeSnappyBlockAsm64K
|
|
|
|
matchlen_match4_repeat_extend_encodeSnappyBlockAsm64K:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_repeat_extend_encodeSnappyBlockAsm64K
|
|
MOVL (R9)(R11*1), R10
|
|
CMPL (SI)(R11*1), R10
|
|
JNE matchlen_match2_repeat_extend_encodeSnappyBlockAsm64K
|
|
SUBL $0x04, R8
|
|
LEAL 4(R11), R11
|
|
|
|
matchlen_match2_repeat_extend_encodeSnappyBlockAsm64K:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_repeat_extend_encodeSnappyBlockAsm64K
|
|
MOVW (R9)(R11*1), R10
|
|
CMPW (SI)(R11*1), R10
|
|
JNE matchlen_match1_repeat_extend_encodeSnappyBlockAsm64K
|
|
SUBL $0x02, R8
|
|
LEAL 2(R11), R11
|
|
|
|
matchlen_match1_repeat_extend_encodeSnappyBlockAsm64K:
|
|
CMPL R8, $0x01
|
|
JL repeat_extend_forward_end_encodeSnappyBlockAsm64K
|
|
MOVB (R9)(R11*1), R10
|
|
CMPB (SI)(R11*1), R10
|
|
JNE repeat_extend_forward_end_encodeSnappyBlockAsm64K
|
|
LEAL 1(R11), R11
|
|
|
|
repeat_extend_forward_end_encodeSnappyBlockAsm64K:
|
|
ADDL R11, CX
|
|
MOVL CX, SI
|
|
SUBL DI, SI
|
|
MOVL 16(SP), DI
|
|
|
|
// emitCopy
|
|
two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm64K:
|
|
CMPL SI, $0x40
|
|
JLE two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm64K
|
|
MOVB $0xee, (AX)
|
|
MOVW DI, 1(AX)
|
|
LEAL -60(SI), SI
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm64K
|
|
|
|
two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm64K:
|
|
CMPL SI, $0x0c
|
|
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm64K
|
|
CMPL DI, $0x00000800
|
|
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm64K
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SHRL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeSnappyBlockAsm64K
|
|
|
|
emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm64K:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVW DI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
repeat_end_emit_encodeSnappyBlockAsm64K:
|
|
MOVL CX, 12(SP)
|
|
JMP search_loop_encodeSnappyBlockAsm64K
|
|
|
|
no_repeat_found_encodeSnappyBlockAsm64K:
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBlockAsm64K
|
|
SHRQ $0x08, DI
|
|
MOVL 24(SP)(R10*4), SI
|
|
LEAL 2(CX), R9
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidate2_match_encodeSnappyBlockAsm64K
|
|
MOVL R9, 24(SP)(R10*4)
|
|
SHRQ $0x08, DI
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate3_match_encodeSnappyBlockAsm64K
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeSnappyBlockAsm64K
|
|
|
|
candidate3_match_encodeSnappyBlockAsm64K:
|
|
ADDL $0x02, CX
|
|
JMP candidate_match_encodeSnappyBlockAsm64K
|
|
|
|
candidate2_match_encodeSnappyBlockAsm64K:
|
|
MOVL R9, 24(SP)(R10*4)
|
|
INCL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeSnappyBlockAsm64K:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeSnappyBlockAsm64K
|
|
|
|
match_extend_back_loop_encodeSnappyBlockAsm64K:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeSnappyBlockAsm64K
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeSnappyBlockAsm64K
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeSnappyBlockAsm64K
|
|
JMP match_extend_back_loop_encodeSnappyBlockAsm64K
|
|
|
|
match_extend_back_end_encodeSnappyBlockAsm64K:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeSnappyBlockAsm64K
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeSnappyBlockAsm64K:
|
|
MOVL CX, DI
|
|
MOVL 12(SP), R8
|
|
CMPL R8, DI
|
|
JEQ emit_literal_done_match_emit_encodeSnappyBlockAsm64K
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(R8*1), DI
|
|
SUBL R8, R9
|
|
LEAL -1(R9), R8
|
|
CMPL R8, $0x3c
|
|
JLT one_byte_match_emit_encodeSnappyBlockAsm64K
|
|
CMPL R8, $0x00000100
|
|
JLT two_bytes_match_emit_encodeSnappyBlockAsm64K
|
|
MOVB $0xf4, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm64K
|
|
|
|
two_bytes_match_emit_encodeSnappyBlockAsm64K:
|
|
MOVB $0xf0, (AX)
|
|
MOVB R8, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL R8, $0x40
|
|
JL memmove_match_emit_encodeSnappyBlockAsm64K
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm64K
|
|
|
|
one_byte_match_emit_encodeSnappyBlockAsm64K:
|
|
SHLB $0x02, R8
|
|
MOVB R8, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeSnappyBlockAsm64K:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_8:
|
|
MOVQ (DI), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm64K
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_8through16:
|
|
MOVQ (DI), R10
|
|
MOVQ -8(DI)(R9*1), DI
|
|
MOVQ R10, (AX)
|
|
MOVQ DI, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm64K
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_17through32:
|
|
MOVOU (DI), X0
|
|
MOVOU -16(DI)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm64K
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm64K_memmove_move_33through64:
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeSnappyBlockAsm64K:
|
|
MOVQ R8, AX
|
|
JMP emit_literal_done_match_emit_encodeSnappyBlockAsm64K
|
|
|
|
memmove_long_match_emit_encodeSnappyBlockAsm64K:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveLong
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVQ R9, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
|
|
LEAQ -32(DI)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm64Klarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm64Klarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32:
|
|
MOVOU -32(DI)(R12*1), X4
|
|
MOVOU -16(DI)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R9, R12
|
|
JAE emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ R8, AX
|
|
|
|
emit_literal_done_match_emit_encodeSnappyBlockAsm64K:
|
|
match_nolit_loop_encodeSnappyBlockAsm64K:
|
|
MOVL CX, DI
|
|
SUBL SI, DI
|
|
MOVL DI, 16(SP)
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), DI
|
|
SUBL CX, DI
|
|
LEAQ (DX)(CX*1), R8
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R10, R10
|
|
CMPL DI, $0x08
|
|
JL matchlen_match4_match_nolit_encodeSnappyBlockAsm64K
|
|
|
|
matchlen_loopback_match_nolit_encodeSnappyBlockAsm64K:
|
|
MOVQ (R8)(R10*1), R9
|
|
XORQ (SI)(R10*1), R9
|
|
TESTQ R9, R9
|
|
JZ matchlen_loop_match_nolit_encodeSnappyBlockAsm64K
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R9, R9
|
|
|
|
#endif
|
|
SARQ $0x03, R9
|
|
LEAL (R10)(R9*1), R10
|
|
JMP match_nolit_end_encodeSnappyBlockAsm64K
|
|
|
|
matchlen_loop_match_nolit_encodeSnappyBlockAsm64K:
|
|
LEAL -8(DI), DI
|
|
LEAL 8(R10), R10
|
|
CMPL DI, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeSnappyBlockAsm64K
|
|
JZ match_nolit_end_encodeSnappyBlockAsm64K
|
|
|
|
matchlen_match4_match_nolit_encodeSnappyBlockAsm64K:
|
|
CMPL DI, $0x04
|
|
JL matchlen_match2_match_nolit_encodeSnappyBlockAsm64K
|
|
MOVL (R8)(R10*1), R9
|
|
CMPL (SI)(R10*1), R9
|
|
JNE matchlen_match2_match_nolit_encodeSnappyBlockAsm64K
|
|
SUBL $0x04, DI
|
|
LEAL 4(R10), R10
|
|
|
|
matchlen_match2_match_nolit_encodeSnappyBlockAsm64K:
|
|
CMPL DI, $0x02
|
|
JL matchlen_match1_match_nolit_encodeSnappyBlockAsm64K
|
|
MOVW (R8)(R10*1), R9
|
|
CMPW (SI)(R10*1), R9
|
|
JNE matchlen_match1_match_nolit_encodeSnappyBlockAsm64K
|
|
SUBL $0x02, DI
|
|
LEAL 2(R10), R10
|
|
|
|
matchlen_match1_match_nolit_encodeSnappyBlockAsm64K:
|
|
CMPL DI, $0x01
|
|
JL match_nolit_end_encodeSnappyBlockAsm64K
|
|
MOVB (R8)(R10*1), R9
|
|
CMPB (SI)(R10*1), R9
|
|
JNE match_nolit_end_encodeSnappyBlockAsm64K
|
|
LEAL 1(R10), R10
|
|
|
|
match_nolit_end_encodeSnappyBlockAsm64K:
|
|
ADDL R10, CX
|
|
MOVL 16(SP), SI
|
|
ADDL $0x04, R10
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeSnappyBlockAsm64K:
|
|
CMPL R10, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeSnappyBlockAsm64K
|
|
MOVB $0xee, (AX)
|
|
MOVW SI, 1(AX)
|
|
LEAL -60(R10), R10
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_match_nolit_encodeSnappyBlockAsm64K
|
|
|
|
two_byte_offset_short_match_nolit_encodeSnappyBlockAsm64K:
|
|
CMPL R10, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm64K
|
|
CMPL SI, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm64K
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SHRL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm64K
|
|
|
|
emit_copy_three_match_nolit_encodeSnappyBlockAsm64K:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeSnappyBlockAsm64K:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBlockAsm64K
|
|
MOVQ -2(DX)(CX*1), DI
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeSnappyBlockAsm64K
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeSnappyBlockAsm64K:
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ DI, R8
|
|
SHRQ $0x10, DI
|
|
MOVQ DI, SI
|
|
SHLQ $0x10, R8
|
|
IMULQ R9, R8
|
|
SHRQ $0x32, R8
|
|
SHLQ $0x10, SI
|
|
IMULQ R9, SI
|
|
SHRQ $0x32, SI
|
|
LEAL -2(CX), R9
|
|
LEAQ 24(SP)(SI*4), R10
|
|
MOVL (R10), SI
|
|
MOVL R9, 24(SP)(R8*4)
|
|
MOVL CX, (R10)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ match_nolit_loop_encodeSnappyBlockAsm64K
|
|
INCL CX
|
|
JMP search_loop_encodeSnappyBlockAsm64K
|
|
|
|
emit_remainder_encodeSnappyBlockAsm64K:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeSnappyBlockAsm64K
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeSnappyBlockAsm64K:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeSnappyBlockAsm64K
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeSnappyBlockAsm64K
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeSnappyBlockAsm64K
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm64K
|
|
|
|
two_bytes_emit_remainder_encodeSnappyBlockAsm64K:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeSnappyBlockAsm64K
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm64K
|
|
|
|
one_byte_emit_remainder_encodeSnappyBlockAsm64K:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeSnappyBlockAsm64K:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm64K
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm64K
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm64K
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm64K_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeSnappyBlockAsm64K:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeSnappyBlockAsm64K
|
|
|
|
memmove_long_emit_remainder_encodeSnappyBlockAsm64K:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm64Klarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm64Klarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm64Klarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeSnappyBlockAsm64K:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeSnappyBlockAsm12B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeSnappyBlockAsm12B(SB), $16408-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000080, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeSnappyBlockAsm12B:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeSnappyBlockAsm12B
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL CX, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeSnappyBlockAsm12B:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x05, SI
|
|
LEAL 4(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBlockAsm12B
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x000000cf1bbcdcbb, R9
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHRQ $0x08, R11
|
|
SHLQ $0x18, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x34, R10
|
|
SHLQ $0x18, R11
|
|
IMULQ R9, R11
|
|
SHRQ $0x34, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 24(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
LEAL 1(CX), R10
|
|
MOVL R10, 24(SP)(R11*4)
|
|
MOVQ DI, R10
|
|
SHRQ $0x10, R10
|
|
SHLQ $0x18, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x34, R10
|
|
MOVL CX, R9
|
|
SUBL 16(SP), R9
|
|
MOVL 1(DX)(R9*1), R11
|
|
MOVQ DI, R9
|
|
SHRQ $0x08, R9
|
|
CMPL R9, R11
|
|
JNE no_repeat_found_encodeSnappyBlockAsm12B
|
|
LEAL 1(CX), DI
|
|
MOVL 12(SP), SI
|
|
MOVL DI, R8
|
|
SUBL 16(SP), R8
|
|
JZ repeat_extend_back_end_encodeSnappyBlockAsm12B
|
|
|
|
repeat_extend_back_loop_encodeSnappyBlockAsm12B:
|
|
CMPL DI, SI
|
|
JLE repeat_extend_back_end_encodeSnappyBlockAsm12B
|
|
MOVB -1(DX)(R8*1), BL
|
|
MOVB -1(DX)(DI*1), R9
|
|
CMPB BL, R9
|
|
JNE repeat_extend_back_end_encodeSnappyBlockAsm12B
|
|
LEAL -1(DI), DI
|
|
DECL R8
|
|
JNZ repeat_extend_back_loop_encodeSnappyBlockAsm12B
|
|
|
|
repeat_extend_back_end_encodeSnappyBlockAsm12B:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_repeat_emit_encodeSnappyBlockAsm12B
|
|
MOVL DI, R8
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R9
|
|
SUBL SI, R8
|
|
LEAL -1(R8), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_repeat_emit_encodeSnappyBlockAsm12B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_repeat_emit_encodeSnappyBlockAsm12B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm12B
|
|
|
|
two_bytes_repeat_emit_encodeSnappyBlockAsm12B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_repeat_emit_encodeSnappyBlockAsm12B
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm12B
|
|
|
|
one_byte_repeat_emit_encodeSnappyBlockAsm12B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_repeat_emit_encodeSnappyBlockAsm12B:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R8, $0x08
|
|
JLE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_8
|
|
CMPQ R8, $0x10
|
|
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_8through16
|
|
CMPQ R8, $0x20
|
|
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_17through32
|
|
JMP emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_8:
|
|
MOVQ (R9), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm12B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_8through16:
|
|
MOVQ (R9), R10
|
|
MOVQ -8(R9)(R8*1), R9
|
|
MOVQ R10, (AX)
|
|
MOVQ R9, -8(AX)(R8*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm12B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_17through32:
|
|
MOVOU (R9), X0
|
|
MOVOU -16(R9)(R8*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R8*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm12B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm12B_memmove_move_33through64:
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
|
|
memmove_end_copy_repeat_emit_encodeSnappyBlockAsm12B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_repeat_emit_encodeSnappyBlockAsm12B
|
|
|
|
memmove_long_repeat_emit_encodeSnappyBlockAsm12B:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVQ R8, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
|
|
LEAQ -32(R9)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm12Blarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm12Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R9)(R12*1), X4
|
|
MOVOU -16(R9)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R8, R12
|
|
JAE emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_repeat_emit_encodeSnappyBlockAsm12B:
|
|
ADDL $0x05, CX
|
|
MOVL CX, SI
|
|
SUBL 16(SP), SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R11, R11
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_repeat_extend_encodeSnappyBlockAsm12B
|
|
|
|
matchlen_loopback_repeat_extend_encodeSnappyBlockAsm12B:
|
|
MOVQ (R9)(R11*1), R10
|
|
XORQ (SI)(R11*1), R10
|
|
TESTQ R10, R10
|
|
JZ matchlen_loop_repeat_extend_encodeSnappyBlockAsm12B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R10, R10
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R10, R10
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R10, R10
|
|
|
|
#endif
|
|
SARQ $0x03, R10
|
|
LEAL (R11)(R10*1), R11
|
|
JMP repeat_extend_forward_end_encodeSnappyBlockAsm12B
|
|
|
|
matchlen_loop_repeat_extend_encodeSnappyBlockAsm12B:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R11), R11
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_repeat_extend_encodeSnappyBlockAsm12B
|
|
JZ repeat_extend_forward_end_encodeSnappyBlockAsm12B
|
|
|
|
matchlen_match4_repeat_extend_encodeSnappyBlockAsm12B:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_repeat_extend_encodeSnappyBlockAsm12B
|
|
MOVL (R9)(R11*1), R10
|
|
CMPL (SI)(R11*1), R10
|
|
JNE matchlen_match2_repeat_extend_encodeSnappyBlockAsm12B
|
|
SUBL $0x04, R8
|
|
LEAL 4(R11), R11
|
|
|
|
matchlen_match2_repeat_extend_encodeSnappyBlockAsm12B:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_repeat_extend_encodeSnappyBlockAsm12B
|
|
MOVW (R9)(R11*1), R10
|
|
CMPW (SI)(R11*1), R10
|
|
JNE matchlen_match1_repeat_extend_encodeSnappyBlockAsm12B
|
|
SUBL $0x02, R8
|
|
LEAL 2(R11), R11
|
|
|
|
matchlen_match1_repeat_extend_encodeSnappyBlockAsm12B:
|
|
CMPL R8, $0x01
|
|
JL repeat_extend_forward_end_encodeSnappyBlockAsm12B
|
|
MOVB (R9)(R11*1), R10
|
|
CMPB (SI)(R11*1), R10
|
|
JNE repeat_extend_forward_end_encodeSnappyBlockAsm12B
|
|
LEAL 1(R11), R11
|
|
|
|
repeat_extend_forward_end_encodeSnappyBlockAsm12B:
|
|
ADDL R11, CX
|
|
MOVL CX, SI
|
|
SUBL DI, SI
|
|
MOVL 16(SP), DI
|
|
|
|
// emitCopy
|
|
two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm12B:
|
|
CMPL SI, $0x40
|
|
JLE two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm12B
|
|
MOVB $0xee, (AX)
|
|
MOVW DI, 1(AX)
|
|
LEAL -60(SI), SI
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm12B
|
|
|
|
two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm12B:
|
|
CMPL SI, $0x0c
|
|
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm12B
|
|
CMPL DI, $0x00000800
|
|
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm12B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SHRL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeSnappyBlockAsm12B
|
|
|
|
emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm12B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVW DI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
repeat_end_emit_encodeSnappyBlockAsm12B:
|
|
MOVL CX, 12(SP)
|
|
JMP search_loop_encodeSnappyBlockAsm12B
|
|
|
|
no_repeat_found_encodeSnappyBlockAsm12B:
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBlockAsm12B
|
|
SHRQ $0x08, DI
|
|
MOVL 24(SP)(R10*4), SI
|
|
LEAL 2(CX), R9
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidate2_match_encodeSnappyBlockAsm12B
|
|
MOVL R9, 24(SP)(R10*4)
|
|
SHRQ $0x08, DI
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate3_match_encodeSnappyBlockAsm12B
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeSnappyBlockAsm12B
|
|
|
|
candidate3_match_encodeSnappyBlockAsm12B:
|
|
ADDL $0x02, CX
|
|
JMP candidate_match_encodeSnappyBlockAsm12B
|
|
|
|
candidate2_match_encodeSnappyBlockAsm12B:
|
|
MOVL R9, 24(SP)(R10*4)
|
|
INCL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeSnappyBlockAsm12B:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeSnappyBlockAsm12B
|
|
|
|
match_extend_back_loop_encodeSnappyBlockAsm12B:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeSnappyBlockAsm12B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeSnappyBlockAsm12B
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeSnappyBlockAsm12B
|
|
JMP match_extend_back_loop_encodeSnappyBlockAsm12B
|
|
|
|
match_extend_back_end_encodeSnappyBlockAsm12B:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeSnappyBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeSnappyBlockAsm12B:
|
|
MOVL CX, DI
|
|
MOVL 12(SP), R8
|
|
CMPL R8, DI
|
|
JEQ emit_literal_done_match_emit_encodeSnappyBlockAsm12B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(R8*1), DI
|
|
SUBL R8, R9
|
|
LEAL -1(R9), R8
|
|
CMPL R8, $0x3c
|
|
JLT one_byte_match_emit_encodeSnappyBlockAsm12B
|
|
CMPL R8, $0x00000100
|
|
JLT two_bytes_match_emit_encodeSnappyBlockAsm12B
|
|
MOVB $0xf4, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm12B
|
|
|
|
two_bytes_match_emit_encodeSnappyBlockAsm12B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB R8, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL R8, $0x40
|
|
JL memmove_match_emit_encodeSnappyBlockAsm12B
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm12B
|
|
|
|
one_byte_match_emit_encodeSnappyBlockAsm12B:
|
|
SHLB $0x02, R8
|
|
MOVB R8, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeSnappyBlockAsm12B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_8:
|
|
MOVQ (DI), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_8through16:
|
|
MOVQ (DI), R10
|
|
MOVQ -8(DI)(R9*1), DI
|
|
MOVQ R10, (AX)
|
|
MOVQ DI, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_17through32:
|
|
MOVOU (DI), X0
|
|
MOVOU -16(DI)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm12B_memmove_move_33through64:
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeSnappyBlockAsm12B:
|
|
MOVQ R8, AX
|
|
JMP emit_literal_done_match_emit_encodeSnappyBlockAsm12B
|
|
|
|
memmove_long_match_emit_encodeSnappyBlockAsm12B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveLong
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVQ R9, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
|
|
LEAQ -32(DI)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm12Blarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm12Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32:
|
|
MOVOU -32(DI)(R12*1), X4
|
|
MOVOU -16(DI)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R9, R12
|
|
JAE emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ R8, AX
|
|
|
|
emit_literal_done_match_emit_encodeSnappyBlockAsm12B:
|
|
match_nolit_loop_encodeSnappyBlockAsm12B:
|
|
MOVL CX, DI
|
|
SUBL SI, DI
|
|
MOVL DI, 16(SP)
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), DI
|
|
SUBL CX, DI
|
|
LEAQ (DX)(CX*1), R8
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R10, R10
|
|
CMPL DI, $0x08
|
|
JL matchlen_match4_match_nolit_encodeSnappyBlockAsm12B
|
|
|
|
matchlen_loopback_match_nolit_encodeSnappyBlockAsm12B:
|
|
MOVQ (R8)(R10*1), R9
|
|
XORQ (SI)(R10*1), R9
|
|
TESTQ R9, R9
|
|
JZ matchlen_loop_match_nolit_encodeSnappyBlockAsm12B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R9, R9
|
|
|
|
#endif
|
|
SARQ $0x03, R9
|
|
LEAL (R10)(R9*1), R10
|
|
JMP match_nolit_end_encodeSnappyBlockAsm12B
|
|
|
|
matchlen_loop_match_nolit_encodeSnappyBlockAsm12B:
|
|
LEAL -8(DI), DI
|
|
LEAL 8(R10), R10
|
|
CMPL DI, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeSnappyBlockAsm12B
|
|
JZ match_nolit_end_encodeSnappyBlockAsm12B
|
|
|
|
matchlen_match4_match_nolit_encodeSnappyBlockAsm12B:
|
|
CMPL DI, $0x04
|
|
JL matchlen_match2_match_nolit_encodeSnappyBlockAsm12B
|
|
MOVL (R8)(R10*1), R9
|
|
CMPL (SI)(R10*1), R9
|
|
JNE matchlen_match2_match_nolit_encodeSnappyBlockAsm12B
|
|
SUBL $0x04, DI
|
|
LEAL 4(R10), R10
|
|
|
|
matchlen_match2_match_nolit_encodeSnappyBlockAsm12B:
|
|
CMPL DI, $0x02
|
|
JL matchlen_match1_match_nolit_encodeSnappyBlockAsm12B
|
|
MOVW (R8)(R10*1), R9
|
|
CMPW (SI)(R10*1), R9
|
|
JNE matchlen_match1_match_nolit_encodeSnappyBlockAsm12B
|
|
SUBL $0x02, DI
|
|
LEAL 2(R10), R10
|
|
|
|
matchlen_match1_match_nolit_encodeSnappyBlockAsm12B:
|
|
CMPL DI, $0x01
|
|
JL match_nolit_end_encodeSnappyBlockAsm12B
|
|
MOVB (R8)(R10*1), R9
|
|
CMPB (SI)(R10*1), R9
|
|
JNE match_nolit_end_encodeSnappyBlockAsm12B
|
|
LEAL 1(R10), R10
|
|
|
|
match_nolit_end_encodeSnappyBlockAsm12B:
|
|
ADDL R10, CX
|
|
MOVL 16(SP), SI
|
|
ADDL $0x04, R10
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeSnappyBlockAsm12B:
|
|
CMPL R10, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeSnappyBlockAsm12B
|
|
MOVB $0xee, (AX)
|
|
MOVW SI, 1(AX)
|
|
LEAL -60(R10), R10
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_match_nolit_encodeSnappyBlockAsm12B
|
|
|
|
two_byte_offset_short_match_nolit_encodeSnappyBlockAsm12B:
|
|
CMPL R10, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm12B
|
|
CMPL SI, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm12B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SHRL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm12B
|
|
|
|
emit_copy_three_match_nolit_encodeSnappyBlockAsm12B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeSnappyBlockAsm12B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBlockAsm12B
|
|
MOVQ -2(DX)(CX*1), DI
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeSnappyBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeSnappyBlockAsm12B:
|
|
MOVQ $0x000000cf1bbcdcbb, R9
|
|
MOVQ DI, R8
|
|
SHRQ $0x10, DI
|
|
MOVQ DI, SI
|
|
SHLQ $0x18, R8
|
|
IMULQ R9, R8
|
|
SHRQ $0x34, R8
|
|
SHLQ $0x18, SI
|
|
IMULQ R9, SI
|
|
SHRQ $0x34, SI
|
|
LEAL -2(CX), R9
|
|
LEAQ 24(SP)(SI*4), R10
|
|
MOVL (R10), SI
|
|
MOVL R9, 24(SP)(R8*4)
|
|
MOVL CX, (R10)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ match_nolit_loop_encodeSnappyBlockAsm12B
|
|
INCL CX
|
|
JMP search_loop_encodeSnappyBlockAsm12B
|
|
|
|
emit_remainder_encodeSnappyBlockAsm12B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeSnappyBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeSnappyBlockAsm12B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeSnappyBlockAsm12B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeSnappyBlockAsm12B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeSnappyBlockAsm12B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm12B
|
|
|
|
two_bytes_emit_remainder_encodeSnappyBlockAsm12B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeSnappyBlockAsm12B
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm12B
|
|
|
|
one_byte_emit_remainder_encodeSnappyBlockAsm12B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeSnappyBlockAsm12B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm12B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeSnappyBlockAsm12B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeSnappyBlockAsm12B
|
|
|
|
memmove_long_emit_remainder_encodeSnappyBlockAsm12B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm12Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm12Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm12Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeSnappyBlockAsm12B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeSnappyBlockAsm10B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeSnappyBlockAsm10B(SB), $4120-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000020, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeSnappyBlockAsm10B:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeSnappyBlockAsm10B
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL CX, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeSnappyBlockAsm10B:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x05, SI
|
|
LEAL 4(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBlockAsm10B
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x9e3779b1, R9
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHRQ $0x08, R11
|
|
SHLQ $0x20, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x36, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R9, R11
|
|
SHRQ $0x36, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 24(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
LEAL 1(CX), R10
|
|
MOVL R10, 24(SP)(R11*4)
|
|
MOVQ DI, R10
|
|
SHRQ $0x10, R10
|
|
SHLQ $0x20, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x36, R10
|
|
MOVL CX, R9
|
|
SUBL 16(SP), R9
|
|
MOVL 1(DX)(R9*1), R11
|
|
MOVQ DI, R9
|
|
SHRQ $0x08, R9
|
|
CMPL R9, R11
|
|
JNE no_repeat_found_encodeSnappyBlockAsm10B
|
|
LEAL 1(CX), DI
|
|
MOVL 12(SP), SI
|
|
MOVL DI, R8
|
|
SUBL 16(SP), R8
|
|
JZ repeat_extend_back_end_encodeSnappyBlockAsm10B
|
|
|
|
repeat_extend_back_loop_encodeSnappyBlockAsm10B:
|
|
CMPL DI, SI
|
|
JLE repeat_extend_back_end_encodeSnappyBlockAsm10B
|
|
MOVB -1(DX)(R8*1), BL
|
|
MOVB -1(DX)(DI*1), R9
|
|
CMPB BL, R9
|
|
JNE repeat_extend_back_end_encodeSnappyBlockAsm10B
|
|
LEAL -1(DI), DI
|
|
DECL R8
|
|
JNZ repeat_extend_back_loop_encodeSnappyBlockAsm10B
|
|
|
|
repeat_extend_back_end_encodeSnappyBlockAsm10B:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_repeat_emit_encodeSnappyBlockAsm10B
|
|
MOVL DI, R8
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R9
|
|
SUBL SI, R8
|
|
LEAL -1(R8), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_repeat_emit_encodeSnappyBlockAsm10B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_repeat_emit_encodeSnappyBlockAsm10B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm10B
|
|
|
|
two_bytes_repeat_emit_encodeSnappyBlockAsm10B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_repeat_emit_encodeSnappyBlockAsm10B
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm10B
|
|
|
|
one_byte_repeat_emit_encodeSnappyBlockAsm10B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_repeat_emit_encodeSnappyBlockAsm10B:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R8, $0x08
|
|
JLE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_8
|
|
CMPQ R8, $0x10
|
|
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_8through16
|
|
CMPQ R8, $0x20
|
|
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_17through32
|
|
JMP emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_8:
|
|
MOVQ (R9), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm10B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_8through16:
|
|
MOVQ (R9), R10
|
|
MOVQ -8(R9)(R8*1), R9
|
|
MOVQ R10, (AX)
|
|
MOVQ R9, -8(AX)(R8*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm10B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_17through32:
|
|
MOVOU (R9), X0
|
|
MOVOU -16(R9)(R8*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R8*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm10B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm10B_memmove_move_33through64:
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
|
|
memmove_end_copy_repeat_emit_encodeSnappyBlockAsm10B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_repeat_emit_encodeSnappyBlockAsm10B
|
|
|
|
memmove_long_repeat_emit_encodeSnappyBlockAsm10B:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVQ R8, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
|
|
LEAQ -32(R9)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm10Blarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm10Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R9)(R12*1), X4
|
|
MOVOU -16(R9)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R8, R12
|
|
JAE emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_repeat_emit_encodeSnappyBlockAsm10B:
|
|
ADDL $0x05, CX
|
|
MOVL CX, SI
|
|
SUBL 16(SP), SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R11, R11
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_repeat_extend_encodeSnappyBlockAsm10B
|
|
|
|
matchlen_loopback_repeat_extend_encodeSnappyBlockAsm10B:
|
|
MOVQ (R9)(R11*1), R10
|
|
XORQ (SI)(R11*1), R10
|
|
TESTQ R10, R10
|
|
JZ matchlen_loop_repeat_extend_encodeSnappyBlockAsm10B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R10, R10
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R10, R10
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R10, R10
|
|
|
|
#endif
|
|
SARQ $0x03, R10
|
|
LEAL (R11)(R10*1), R11
|
|
JMP repeat_extend_forward_end_encodeSnappyBlockAsm10B
|
|
|
|
matchlen_loop_repeat_extend_encodeSnappyBlockAsm10B:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R11), R11
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_repeat_extend_encodeSnappyBlockAsm10B
|
|
JZ repeat_extend_forward_end_encodeSnappyBlockAsm10B
|
|
|
|
matchlen_match4_repeat_extend_encodeSnappyBlockAsm10B:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_repeat_extend_encodeSnappyBlockAsm10B
|
|
MOVL (R9)(R11*1), R10
|
|
CMPL (SI)(R11*1), R10
|
|
JNE matchlen_match2_repeat_extend_encodeSnappyBlockAsm10B
|
|
SUBL $0x04, R8
|
|
LEAL 4(R11), R11
|
|
|
|
matchlen_match2_repeat_extend_encodeSnappyBlockAsm10B:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_repeat_extend_encodeSnappyBlockAsm10B
|
|
MOVW (R9)(R11*1), R10
|
|
CMPW (SI)(R11*1), R10
|
|
JNE matchlen_match1_repeat_extend_encodeSnappyBlockAsm10B
|
|
SUBL $0x02, R8
|
|
LEAL 2(R11), R11
|
|
|
|
matchlen_match1_repeat_extend_encodeSnappyBlockAsm10B:
|
|
CMPL R8, $0x01
|
|
JL repeat_extend_forward_end_encodeSnappyBlockAsm10B
|
|
MOVB (R9)(R11*1), R10
|
|
CMPB (SI)(R11*1), R10
|
|
JNE repeat_extend_forward_end_encodeSnappyBlockAsm10B
|
|
LEAL 1(R11), R11
|
|
|
|
repeat_extend_forward_end_encodeSnappyBlockAsm10B:
|
|
ADDL R11, CX
|
|
MOVL CX, SI
|
|
SUBL DI, SI
|
|
MOVL 16(SP), DI
|
|
|
|
// emitCopy
|
|
two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm10B:
|
|
CMPL SI, $0x40
|
|
JLE two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm10B
|
|
MOVB $0xee, (AX)
|
|
MOVW DI, 1(AX)
|
|
LEAL -60(SI), SI
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm10B
|
|
|
|
two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm10B:
|
|
CMPL SI, $0x0c
|
|
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm10B
|
|
CMPL DI, $0x00000800
|
|
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm10B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SHRL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeSnappyBlockAsm10B
|
|
|
|
emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm10B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVW DI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
repeat_end_emit_encodeSnappyBlockAsm10B:
|
|
MOVL CX, 12(SP)
|
|
JMP search_loop_encodeSnappyBlockAsm10B
|
|
|
|
no_repeat_found_encodeSnappyBlockAsm10B:
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBlockAsm10B
|
|
SHRQ $0x08, DI
|
|
MOVL 24(SP)(R10*4), SI
|
|
LEAL 2(CX), R9
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidate2_match_encodeSnappyBlockAsm10B
|
|
MOVL R9, 24(SP)(R10*4)
|
|
SHRQ $0x08, DI
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate3_match_encodeSnappyBlockAsm10B
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeSnappyBlockAsm10B
|
|
|
|
candidate3_match_encodeSnappyBlockAsm10B:
|
|
ADDL $0x02, CX
|
|
JMP candidate_match_encodeSnappyBlockAsm10B
|
|
|
|
candidate2_match_encodeSnappyBlockAsm10B:
|
|
MOVL R9, 24(SP)(R10*4)
|
|
INCL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeSnappyBlockAsm10B:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeSnappyBlockAsm10B
|
|
|
|
match_extend_back_loop_encodeSnappyBlockAsm10B:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeSnappyBlockAsm10B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeSnappyBlockAsm10B
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeSnappyBlockAsm10B
|
|
JMP match_extend_back_loop_encodeSnappyBlockAsm10B
|
|
|
|
match_extend_back_end_encodeSnappyBlockAsm10B:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeSnappyBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeSnappyBlockAsm10B:
|
|
MOVL CX, DI
|
|
MOVL 12(SP), R8
|
|
CMPL R8, DI
|
|
JEQ emit_literal_done_match_emit_encodeSnappyBlockAsm10B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(R8*1), DI
|
|
SUBL R8, R9
|
|
LEAL -1(R9), R8
|
|
CMPL R8, $0x3c
|
|
JLT one_byte_match_emit_encodeSnappyBlockAsm10B
|
|
CMPL R8, $0x00000100
|
|
JLT two_bytes_match_emit_encodeSnappyBlockAsm10B
|
|
MOVB $0xf4, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm10B
|
|
|
|
two_bytes_match_emit_encodeSnappyBlockAsm10B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB R8, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL R8, $0x40
|
|
JL memmove_match_emit_encodeSnappyBlockAsm10B
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm10B
|
|
|
|
one_byte_match_emit_encodeSnappyBlockAsm10B:
|
|
SHLB $0x02, R8
|
|
MOVB R8, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeSnappyBlockAsm10B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_8:
|
|
MOVQ (DI), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_8through16:
|
|
MOVQ (DI), R10
|
|
MOVQ -8(DI)(R9*1), DI
|
|
MOVQ R10, (AX)
|
|
MOVQ DI, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_17through32:
|
|
MOVOU (DI), X0
|
|
MOVOU -16(DI)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm10B_memmove_move_33through64:
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeSnappyBlockAsm10B:
|
|
MOVQ R8, AX
|
|
JMP emit_literal_done_match_emit_encodeSnappyBlockAsm10B
|
|
|
|
memmove_long_match_emit_encodeSnappyBlockAsm10B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveLong
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVQ R9, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
|
|
LEAQ -32(DI)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm10Blarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm10Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32:
|
|
MOVOU -32(DI)(R12*1), X4
|
|
MOVOU -16(DI)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R9, R12
|
|
JAE emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ R8, AX
|
|
|
|
emit_literal_done_match_emit_encodeSnappyBlockAsm10B:
|
|
match_nolit_loop_encodeSnappyBlockAsm10B:
|
|
MOVL CX, DI
|
|
SUBL SI, DI
|
|
MOVL DI, 16(SP)
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), DI
|
|
SUBL CX, DI
|
|
LEAQ (DX)(CX*1), R8
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R10, R10
|
|
CMPL DI, $0x08
|
|
JL matchlen_match4_match_nolit_encodeSnappyBlockAsm10B
|
|
|
|
matchlen_loopback_match_nolit_encodeSnappyBlockAsm10B:
|
|
MOVQ (R8)(R10*1), R9
|
|
XORQ (SI)(R10*1), R9
|
|
TESTQ R9, R9
|
|
JZ matchlen_loop_match_nolit_encodeSnappyBlockAsm10B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R9, R9
|
|
|
|
#endif
|
|
SARQ $0x03, R9
|
|
LEAL (R10)(R9*1), R10
|
|
JMP match_nolit_end_encodeSnappyBlockAsm10B
|
|
|
|
matchlen_loop_match_nolit_encodeSnappyBlockAsm10B:
|
|
LEAL -8(DI), DI
|
|
LEAL 8(R10), R10
|
|
CMPL DI, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeSnappyBlockAsm10B
|
|
JZ match_nolit_end_encodeSnappyBlockAsm10B
|
|
|
|
matchlen_match4_match_nolit_encodeSnappyBlockAsm10B:
|
|
CMPL DI, $0x04
|
|
JL matchlen_match2_match_nolit_encodeSnappyBlockAsm10B
|
|
MOVL (R8)(R10*1), R9
|
|
CMPL (SI)(R10*1), R9
|
|
JNE matchlen_match2_match_nolit_encodeSnappyBlockAsm10B
|
|
SUBL $0x04, DI
|
|
LEAL 4(R10), R10
|
|
|
|
matchlen_match2_match_nolit_encodeSnappyBlockAsm10B:
|
|
CMPL DI, $0x02
|
|
JL matchlen_match1_match_nolit_encodeSnappyBlockAsm10B
|
|
MOVW (R8)(R10*1), R9
|
|
CMPW (SI)(R10*1), R9
|
|
JNE matchlen_match1_match_nolit_encodeSnappyBlockAsm10B
|
|
SUBL $0x02, DI
|
|
LEAL 2(R10), R10
|
|
|
|
matchlen_match1_match_nolit_encodeSnappyBlockAsm10B:
|
|
CMPL DI, $0x01
|
|
JL match_nolit_end_encodeSnappyBlockAsm10B
|
|
MOVB (R8)(R10*1), R9
|
|
CMPB (SI)(R10*1), R9
|
|
JNE match_nolit_end_encodeSnappyBlockAsm10B
|
|
LEAL 1(R10), R10
|
|
|
|
match_nolit_end_encodeSnappyBlockAsm10B:
|
|
ADDL R10, CX
|
|
MOVL 16(SP), SI
|
|
ADDL $0x04, R10
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeSnappyBlockAsm10B:
|
|
CMPL R10, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeSnappyBlockAsm10B
|
|
MOVB $0xee, (AX)
|
|
MOVW SI, 1(AX)
|
|
LEAL -60(R10), R10
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_match_nolit_encodeSnappyBlockAsm10B
|
|
|
|
two_byte_offset_short_match_nolit_encodeSnappyBlockAsm10B:
|
|
CMPL R10, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm10B
|
|
CMPL SI, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm10B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SHRL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm10B
|
|
|
|
emit_copy_three_match_nolit_encodeSnappyBlockAsm10B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeSnappyBlockAsm10B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBlockAsm10B
|
|
MOVQ -2(DX)(CX*1), DI
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeSnappyBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeSnappyBlockAsm10B:
|
|
MOVQ $0x9e3779b1, R9
|
|
MOVQ DI, R8
|
|
SHRQ $0x10, DI
|
|
MOVQ DI, SI
|
|
SHLQ $0x20, R8
|
|
IMULQ R9, R8
|
|
SHRQ $0x36, R8
|
|
SHLQ $0x20, SI
|
|
IMULQ R9, SI
|
|
SHRQ $0x36, SI
|
|
LEAL -2(CX), R9
|
|
LEAQ 24(SP)(SI*4), R10
|
|
MOVL (R10), SI
|
|
MOVL R9, 24(SP)(R8*4)
|
|
MOVL CX, (R10)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ match_nolit_loop_encodeSnappyBlockAsm10B
|
|
INCL CX
|
|
JMP search_loop_encodeSnappyBlockAsm10B
|
|
|
|
emit_remainder_encodeSnappyBlockAsm10B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeSnappyBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeSnappyBlockAsm10B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeSnappyBlockAsm10B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeSnappyBlockAsm10B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeSnappyBlockAsm10B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm10B
|
|
|
|
two_bytes_emit_remainder_encodeSnappyBlockAsm10B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeSnappyBlockAsm10B
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm10B
|
|
|
|
one_byte_emit_remainder_encodeSnappyBlockAsm10B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeSnappyBlockAsm10B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm10B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeSnappyBlockAsm10B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeSnappyBlockAsm10B
|
|
|
|
memmove_long_emit_remainder_encodeSnappyBlockAsm10B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm10Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm10Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm10Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeSnappyBlockAsm10B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeSnappyBlockAsm8B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeSnappyBlockAsm8B(SB), $1048-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000008, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeSnappyBlockAsm8B:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeSnappyBlockAsm8B
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL CX, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeSnappyBlockAsm8B:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x04, SI
|
|
LEAL 4(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBlockAsm8B
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x9e3779b1, R9
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHRQ $0x08, R11
|
|
SHLQ $0x20, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x38, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R9, R11
|
|
SHRQ $0x38, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 24(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
LEAL 1(CX), R10
|
|
MOVL R10, 24(SP)(R11*4)
|
|
MOVQ DI, R10
|
|
SHRQ $0x10, R10
|
|
SHLQ $0x20, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x38, R10
|
|
MOVL CX, R9
|
|
SUBL 16(SP), R9
|
|
MOVL 1(DX)(R9*1), R11
|
|
MOVQ DI, R9
|
|
SHRQ $0x08, R9
|
|
CMPL R9, R11
|
|
JNE no_repeat_found_encodeSnappyBlockAsm8B
|
|
LEAL 1(CX), DI
|
|
MOVL 12(SP), SI
|
|
MOVL DI, R8
|
|
SUBL 16(SP), R8
|
|
JZ repeat_extend_back_end_encodeSnappyBlockAsm8B
|
|
|
|
repeat_extend_back_loop_encodeSnappyBlockAsm8B:
|
|
CMPL DI, SI
|
|
JLE repeat_extend_back_end_encodeSnappyBlockAsm8B
|
|
MOVB -1(DX)(R8*1), BL
|
|
MOVB -1(DX)(DI*1), R9
|
|
CMPB BL, R9
|
|
JNE repeat_extend_back_end_encodeSnappyBlockAsm8B
|
|
LEAL -1(DI), DI
|
|
DECL R8
|
|
JNZ repeat_extend_back_loop_encodeSnappyBlockAsm8B
|
|
|
|
repeat_extend_back_end_encodeSnappyBlockAsm8B:
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_repeat_emit_encodeSnappyBlockAsm8B
|
|
MOVL DI, R8
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R9
|
|
SUBL SI, R8
|
|
LEAL -1(R8), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_repeat_emit_encodeSnappyBlockAsm8B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_repeat_emit_encodeSnappyBlockAsm8B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm8B
|
|
|
|
two_bytes_repeat_emit_encodeSnappyBlockAsm8B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_repeat_emit_encodeSnappyBlockAsm8B
|
|
JMP memmove_long_repeat_emit_encodeSnappyBlockAsm8B
|
|
|
|
one_byte_repeat_emit_encodeSnappyBlockAsm8B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_repeat_emit_encodeSnappyBlockAsm8B:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R8, $0x08
|
|
JLE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_8
|
|
CMPQ R8, $0x10
|
|
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_8through16
|
|
CMPQ R8, $0x20
|
|
JBE emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_17through32
|
|
JMP emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_8:
|
|
MOVQ (R9), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm8B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_8through16:
|
|
MOVQ (R9), R10
|
|
MOVQ -8(R9)(R8*1), R9
|
|
MOVQ R10, (AX)
|
|
MOVQ R9, -8(AX)(R8*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm8B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_17through32:
|
|
MOVOU (R9), X0
|
|
MOVOU -16(R9)(R8*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R8*1)
|
|
JMP memmove_end_copy_repeat_emit_encodeSnappyBlockAsm8B
|
|
|
|
emit_lit_memmove_repeat_emit_encodeSnappyBlockAsm8B_memmove_move_33through64:
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
|
|
memmove_end_copy_repeat_emit_encodeSnappyBlockAsm8B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_repeat_emit_encodeSnappyBlockAsm8B
|
|
|
|
memmove_long_repeat_emit_encodeSnappyBlockAsm8B:
|
|
LEAQ (AX)(R8*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R9), X0
|
|
MOVOU 16(R9), X1
|
|
MOVOU -32(R9)(R8*1), X2
|
|
MOVOU -16(R9)(R8*1), X3
|
|
MOVQ R8, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
|
|
LEAQ -32(R9)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm8Blarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm8Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R9)(R12*1), X4
|
|
MOVOU -16(R9)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R8, R12
|
|
JAE emit_lit_memmove_long_repeat_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R8*1)
|
|
MOVOU X3, -16(AX)(R8*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_repeat_emit_encodeSnappyBlockAsm8B:
|
|
ADDL $0x05, CX
|
|
MOVL CX, SI
|
|
SUBL 16(SP), SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R11, R11
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_repeat_extend_encodeSnappyBlockAsm8B
|
|
|
|
matchlen_loopback_repeat_extend_encodeSnappyBlockAsm8B:
|
|
MOVQ (R9)(R11*1), R10
|
|
XORQ (SI)(R11*1), R10
|
|
TESTQ R10, R10
|
|
JZ matchlen_loop_repeat_extend_encodeSnappyBlockAsm8B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R10, R10
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R10, R10
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R10, R10
|
|
|
|
#endif
|
|
SARQ $0x03, R10
|
|
LEAL (R11)(R10*1), R11
|
|
JMP repeat_extend_forward_end_encodeSnappyBlockAsm8B
|
|
|
|
matchlen_loop_repeat_extend_encodeSnappyBlockAsm8B:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R11), R11
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_repeat_extend_encodeSnappyBlockAsm8B
|
|
JZ repeat_extend_forward_end_encodeSnappyBlockAsm8B
|
|
|
|
matchlen_match4_repeat_extend_encodeSnappyBlockAsm8B:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_repeat_extend_encodeSnappyBlockAsm8B
|
|
MOVL (R9)(R11*1), R10
|
|
CMPL (SI)(R11*1), R10
|
|
JNE matchlen_match2_repeat_extend_encodeSnappyBlockAsm8B
|
|
SUBL $0x04, R8
|
|
LEAL 4(R11), R11
|
|
|
|
matchlen_match2_repeat_extend_encodeSnappyBlockAsm8B:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_repeat_extend_encodeSnappyBlockAsm8B
|
|
MOVW (R9)(R11*1), R10
|
|
CMPW (SI)(R11*1), R10
|
|
JNE matchlen_match1_repeat_extend_encodeSnappyBlockAsm8B
|
|
SUBL $0x02, R8
|
|
LEAL 2(R11), R11
|
|
|
|
matchlen_match1_repeat_extend_encodeSnappyBlockAsm8B:
|
|
CMPL R8, $0x01
|
|
JL repeat_extend_forward_end_encodeSnappyBlockAsm8B
|
|
MOVB (R9)(R11*1), R10
|
|
CMPB (SI)(R11*1), R10
|
|
JNE repeat_extend_forward_end_encodeSnappyBlockAsm8B
|
|
LEAL 1(R11), R11
|
|
|
|
repeat_extend_forward_end_encodeSnappyBlockAsm8B:
|
|
ADDL R11, CX
|
|
MOVL CX, SI
|
|
SUBL DI, SI
|
|
MOVL 16(SP), DI
|
|
|
|
// emitCopy
|
|
two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm8B:
|
|
CMPL SI, $0x40
|
|
JLE two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm8B
|
|
MOVB $0xee, (AX)
|
|
MOVW DI, 1(AX)
|
|
LEAL -60(SI), SI
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_repeat_as_copy_encodeSnappyBlockAsm8B
|
|
|
|
two_byte_offset_short_repeat_as_copy_encodeSnappyBlockAsm8B:
|
|
CMPL SI, $0x0c
|
|
JGE emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm8B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(SI*4), SI
|
|
MOVB DI, 1(AX)
|
|
SHRL $0x08, DI
|
|
SHLL $0x05, DI
|
|
ORL DI, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP repeat_end_emit_encodeSnappyBlockAsm8B
|
|
|
|
emit_copy_three_repeat_as_copy_encodeSnappyBlockAsm8B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(SI*4), SI
|
|
MOVB SI, (AX)
|
|
MOVW DI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
repeat_end_emit_encodeSnappyBlockAsm8B:
|
|
MOVL CX, 12(SP)
|
|
JMP search_loop_encodeSnappyBlockAsm8B
|
|
|
|
no_repeat_found_encodeSnappyBlockAsm8B:
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBlockAsm8B
|
|
SHRQ $0x08, DI
|
|
MOVL 24(SP)(R10*4), SI
|
|
LEAL 2(CX), R9
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidate2_match_encodeSnappyBlockAsm8B
|
|
MOVL R9, 24(SP)(R10*4)
|
|
SHRQ $0x08, DI
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate3_match_encodeSnappyBlockAsm8B
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeSnappyBlockAsm8B
|
|
|
|
candidate3_match_encodeSnappyBlockAsm8B:
|
|
ADDL $0x02, CX
|
|
JMP candidate_match_encodeSnappyBlockAsm8B
|
|
|
|
candidate2_match_encodeSnappyBlockAsm8B:
|
|
MOVL R9, 24(SP)(R10*4)
|
|
INCL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeSnappyBlockAsm8B:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeSnappyBlockAsm8B
|
|
|
|
match_extend_back_loop_encodeSnappyBlockAsm8B:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeSnappyBlockAsm8B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeSnappyBlockAsm8B
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeSnappyBlockAsm8B
|
|
JMP match_extend_back_loop_encodeSnappyBlockAsm8B
|
|
|
|
match_extend_back_end_encodeSnappyBlockAsm8B:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeSnappyBlockAsm8B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeSnappyBlockAsm8B:
|
|
MOVL CX, DI
|
|
MOVL 12(SP), R8
|
|
CMPL R8, DI
|
|
JEQ emit_literal_done_match_emit_encodeSnappyBlockAsm8B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(R8*1), DI
|
|
SUBL R8, R9
|
|
LEAL -1(R9), R8
|
|
CMPL R8, $0x3c
|
|
JLT one_byte_match_emit_encodeSnappyBlockAsm8B
|
|
CMPL R8, $0x00000100
|
|
JLT two_bytes_match_emit_encodeSnappyBlockAsm8B
|
|
MOVB $0xf4, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm8B
|
|
|
|
two_bytes_match_emit_encodeSnappyBlockAsm8B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB R8, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL R8, $0x40
|
|
JL memmove_match_emit_encodeSnappyBlockAsm8B
|
|
JMP memmove_long_match_emit_encodeSnappyBlockAsm8B
|
|
|
|
one_byte_match_emit_encodeSnappyBlockAsm8B:
|
|
SHLB $0x02, R8
|
|
MOVB R8, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeSnappyBlockAsm8B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_8:
|
|
MOVQ (DI), R10
|
|
MOVQ R10, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_8through16:
|
|
MOVQ (DI), R10
|
|
MOVQ -8(DI)(R9*1), DI
|
|
MOVQ R10, (AX)
|
|
MOVQ DI, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_17through32:
|
|
MOVOU (DI), X0
|
|
MOVOU -16(DI)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBlockAsm8B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBlockAsm8B_memmove_move_33through64:
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeSnappyBlockAsm8B:
|
|
MOVQ R8, AX
|
|
JMP emit_literal_done_match_emit_encodeSnappyBlockAsm8B
|
|
|
|
memmove_long_match_emit_encodeSnappyBlockAsm8B:
|
|
LEAQ (AX)(R9*1), R8
|
|
|
|
// genMemMoveLong
|
|
MOVOU (DI), X0
|
|
MOVOU 16(DI), X1
|
|
MOVOU -32(DI)(R9*1), X2
|
|
MOVOU -16(DI)(R9*1), X3
|
|
MOVQ R9, R11
|
|
SHRQ $0x05, R11
|
|
MOVQ AX, R10
|
|
ANDL $0x0000001f, R10
|
|
MOVQ $0x00000040, R12
|
|
SUBQ R10, R12
|
|
DECQ R11
|
|
JA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
|
|
LEAQ -32(DI)(R12*1), R10
|
|
LEAQ -32(AX)(R12*1), R13
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm8Blarge_big_loop_back:
|
|
MOVOU (R10), X4
|
|
MOVOU 16(R10), X5
|
|
MOVOA X4, (R13)
|
|
MOVOA X5, 16(R13)
|
|
ADDQ $0x20, R13
|
|
ADDQ $0x20, R10
|
|
ADDQ $0x20, R12
|
|
DECQ R11
|
|
JNA emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm8Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32:
|
|
MOVOU -32(DI)(R12*1), X4
|
|
MOVOU -16(DI)(R12*1), X5
|
|
MOVOA X4, -32(AX)(R12*1)
|
|
MOVOA X5, -16(AX)(R12*1)
|
|
ADDQ $0x20, R12
|
|
CMPQ R9, R12
|
|
JAE emit_lit_memmove_long_match_emit_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ R8, AX
|
|
|
|
emit_literal_done_match_emit_encodeSnappyBlockAsm8B:
|
|
match_nolit_loop_encodeSnappyBlockAsm8B:
|
|
MOVL CX, DI
|
|
SUBL SI, DI
|
|
MOVL DI, 16(SP)
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), DI
|
|
SUBL CX, DI
|
|
LEAQ (DX)(CX*1), R8
|
|
LEAQ (DX)(SI*1), SI
|
|
|
|
// matchLen
|
|
XORL R10, R10
|
|
CMPL DI, $0x08
|
|
JL matchlen_match4_match_nolit_encodeSnappyBlockAsm8B
|
|
|
|
matchlen_loopback_match_nolit_encodeSnappyBlockAsm8B:
|
|
MOVQ (R8)(R10*1), R9
|
|
XORQ (SI)(R10*1), R9
|
|
TESTQ R9, R9
|
|
JZ matchlen_loop_match_nolit_encodeSnappyBlockAsm8B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R9, R9
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R9, R9
|
|
|
|
#endif
|
|
SARQ $0x03, R9
|
|
LEAL (R10)(R9*1), R10
|
|
JMP match_nolit_end_encodeSnappyBlockAsm8B
|
|
|
|
matchlen_loop_match_nolit_encodeSnappyBlockAsm8B:
|
|
LEAL -8(DI), DI
|
|
LEAL 8(R10), R10
|
|
CMPL DI, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeSnappyBlockAsm8B
|
|
JZ match_nolit_end_encodeSnappyBlockAsm8B
|
|
|
|
matchlen_match4_match_nolit_encodeSnappyBlockAsm8B:
|
|
CMPL DI, $0x04
|
|
JL matchlen_match2_match_nolit_encodeSnappyBlockAsm8B
|
|
MOVL (R8)(R10*1), R9
|
|
CMPL (SI)(R10*1), R9
|
|
JNE matchlen_match2_match_nolit_encodeSnappyBlockAsm8B
|
|
SUBL $0x04, DI
|
|
LEAL 4(R10), R10
|
|
|
|
matchlen_match2_match_nolit_encodeSnappyBlockAsm8B:
|
|
CMPL DI, $0x02
|
|
JL matchlen_match1_match_nolit_encodeSnappyBlockAsm8B
|
|
MOVW (R8)(R10*1), R9
|
|
CMPW (SI)(R10*1), R9
|
|
JNE matchlen_match1_match_nolit_encodeSnappyBlockAsm8B
|
|
SUBL $0x02, DI
|
|
LEAL 2(R10), R10
|
|
|
|
matchlen_match1_match_nolit_encodeSnappyBlockAsm8B:
|
|
CMPL DI, $0x01
|
|
JL match_nolit_end_encodeSnappyBlockAsm8B
|
|
MOVB (R8)(R10*1), R9
|
|
CMPB (SI)(R10*1), R9
|
|
JNE match_nolit_end_encodeSnappyBlockAsm8B
|
|
LEAL 1(R10), R10
|
|
|
|
match_nolit_end_encodeSnappyBlockAsm8B:
|
|
ADDL R10, CX
|
|
MOVL 16(SP), SI
|
|
ADDL $0x04, R10
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeSnappyBlockAsm8B:
|
|
CMPL R10, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeSnappyBlockAsm8B
|
|
MOVB $0xee, (AX)
|
|
MOVW SI, 1(AX)
|
|
LEAL -60(R10), R10
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_match_nolit_encodeSnappyBlockAsm8B
|
|
|
|
two_byte_offset_short_match_nolit_encodeSnappyBlockAsm8B:
|
|
CMPL R10, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBlockAsm8B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R10*4), R10
|
|
MOVB SI, 1(AX)
|
|
SHRL $0x08, SI
|
|
SHLL $0x05, SI
|
|
ORL SI, R10
|
|
MOVB R10, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBlockAsm8B
|
|
|
|
emit_copy_three_match_nolit_encodeSnappyBlockAsm8B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R10*4), R10
|
|
MOVB R10, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeSnappyBlockAsm8B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBlockAsm8B
|
|
MOVQ -2(DX)(CX*1), DI
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeSnappyBlockAsm8B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeSnappyBlockAsm8B:
|
|
MOVQ $0x9e3779b1, R9
|
|
MOVQ DI, R8
|
|
SHRQ $0x10, DI
|
|
MOVQ DI, SI
|
|
SHLQ $0x20, R8
|
|
IMULQ R9, R8
|
|
SHRQ $0x38, R8
|
|
SHLQ $0x20, SI
|
|
IMULQ R9, SI
|
|
SHRQ $0x38, SI
|
|
LEAL -2(CX), R9
|
|
LEAQ 24(SP)(SI*4), R10
|
|
MOVL (R10), SI
|
|
MOVL R9, 24(SP)(R8*4)
|
|
MOVL CX, (R10)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ match_nolit_loop_encodeSnappyBlockAsm8B
|
|
INCL CX
|
|
JMP search_loop_encodeSnappyBlockAsm8B
|
|
|
|
emit_remainder_encodeSnappyBlockAsm8B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeSnappyBlockAsm8B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeSnappyBlockAsm8B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeSnappyBlockAsm8B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeSnappyBlockAsm8B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeSnappyBlockAsm8B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm8B
|
|
|
|
two_bytes_emit_remainder_encodeSnappyBlockAsm8B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeSnappyBlockAsm8B
|
|
JMP memmove_long_emit_remainder_encodeSnappyBlockAsm8B
|
|
|
|
one_byte_emit_remainder_encodeSnappyBlockAsm8B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeSnappyBlockAsm8B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBlockAsm8B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeSnappyBlockAsm8B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeSnappyBlockAsm8B
|
|
|
|
memmove_long_emit_remainder_encodeSnappyBlockAsm8B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm8Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm8Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBlockAsm8Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeSnappyBlockAsm8B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeSnappyBetterBlockAsm(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeSnappyBetterBlockAsm(SB), $327704-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000a00, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeSnappyBetterBlockAsm:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeSnappyBetterBlockAsm
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL $0x00000000, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeSnappyBetterBlockAsm:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x07, SI
|
|
CMPL SI, $0x63
|
|
JLE check_maxskip_ok_encodeSnappyBetterBlockAsm
|
|
LEAL 100(CX), SI
|
|
JMP check_maxskip_cont_encodeSnappyBetterBlockAsm
|
|
|
|
check_maxskip_ok_encodeSnappyBetterBlockAsm:
|
|
LEAL 1(CX)(SI*1), SI
|
|
|
|
check_maxskip_cont_encodeSnappyBetterBlockAsm:
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBetterBlockAsm
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x00cf1bbcdcbfa563, R9
|
|
MOVQ $0x9e3779b1, SI
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHLQ $0x08, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ SI, R11
|
|
SHRQ $0x32, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 262168(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
MOVL CX, 262168(SP)(R11*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBetterBlockAsm
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidateS_match_encodeSnappyBetterBlockAsm
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeSnappyBetterBlockAsm
|
|
|
|
candidateS_match_encodeSnappyBetterBlockAsm:
|
|
SHRQ $0x08, DI
|
|
MOVQ DI, R10
|
|
SHLQ $0x08, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x30, R10
|
|
MOVL 24(SP)(R10*4), SI
|
|
INCL CX
|
|
MOVL CX, 24(SP)(R10*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBetterBlockAsm
|
|
DECL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeSnappyBetterBlockAsm:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeSnappyBetterBlockAsm
|
|
|
|
match_extend_back_loop_encodeSnappyBetterBlockAsm:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeSnappyBetterBlockAsm
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeSnappyBetterBlockAsm
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeSnappyBetterBlockAsm
|
|
JMP match_extend_back_loop_encodeSnappyBetterBlockAsm
|
|
|
|
match_extend_back_end_encodeSnappyBetterBlockAsm:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 5(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeSnappyBetterBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeSnappyBetterBlockAsm:
|
|
MOVL CX, DI
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), R10
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_match_nolit_encodeSnappyBetterBlockAsm
|
|
|
|
matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm:
|
|
MOVQ (R9)(R12*1), R11
|
|
XORQ (R10)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP match_nolit_end_encodeSnappyBetterBlockAsm
|
|
|
|
matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R12), R12
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm
|
|
JZ match_nolit_end_encodeSnappyBetterBlockAsm
|
|
|
|
matchlen_match4_match_nolit_encodeSnappyBetterBlockAsm:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm
|
|
MOVL (R9)(R12*1), R11
|
|
CMPL (R10)(R12*1), R11
|
|
JNE matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm
|
|
SUBL $0x04, R8
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm
|
|
MOVW (R9)(R12*1), R11
|
|
CMPW (R10)(R12*1), R11
|
|
JNE matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm
|
|
SUBL $0x02, R8
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm:
|
|
CMPL R8, $0x01
|
|
JL match_nolit_end_encodeSnappyBetterBlockAsm
|
|
MOVB (R9)(R12*1), R11
|
|
CMPB (R10)(R12*1), R11
|
|
JNE match_nolit_end_encodeSnappyBetterBlockAsm
|
|
LEAL 1(R12), R12
|
|
|
|
match_nolit_end_encodeSnappyBetterBlockAsm:
|
|
MOVL CX, R8
|
|
SUBL SI, R8
|
|
|
|
// Check if repeat
|
|
CMPL R12, $0x01
|
|
JG match_length_ok_encodeSnappyBetterBlockAsm
|
|
CMPL R8, $0x0000ffff
|
|
JLE match_length_ok_encodeSnappyBetterBlockAsm
|
|
MOVL 20(SP), CX
|
|
INCL CX
|
|
JMP search_loop_encodeSnappyBetterBlockAsm
|
|
|
|
match_length_ok_encodeSnappyBetterBlockAsm:
|
|
MOVL R8, 16(SP)
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_encodeSnappyBetterBlockAsm
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_encodeSnappyBetterBlockAsm
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_encodeSnappyBetterBlockAsm
|
|
CMPL SI, $0x00010000
|
|
JLT three_bytes_match_emit_encodeSnappyBetterBlockAsm
|
|
CMPL SI, $0x01000000
|
|
JLT four_bytes_match_emit_encodeSnappyBetterBlockAsm
|
|
MOVB $0xfc, (AX)
|
|
MOVL SI, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm
|
|
|
|
four_bytes_match_emit_encodeSnappyBetterBlockAsm:
|
|
MOVL SI, R11
|
|
SHRL $0x10, R11
|
|
MOVB $0xf8, (AX)
|
|
MOVW SI, 1(AX)
|
|
MOVB R11, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm
|
|
|
|
three_bytes_match_emit_encodeSnappyBetterBlockAsm:
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm
|
|
|
|
two_bytes_match_emit_encodeSnappyBetterBlockAsm:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_encodeSnappyBetterBlockAsm
|
|
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm
|
|
|
|
one_byte_match_emit_encodeSnappyBetterBlockAsm:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeSnappyBetterBlockAsm:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_8:
|
|
MOVQ (R10), R11
|
|
MOVQ R11, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_encodeSnappyBetterBlockAsm
|
|
|
|
memmove_long_match_emit_encodeSnappyBetterBlockAsm:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsmlarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsmlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_encodeSnappyBetterBlockAsm:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
CMPL R8, $0x00010000
|
|
JL two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm
|
|
|
|
four_bytes_loop_back_match_nolit_encodeSnappyBetterBlockAsm:
|
|
CMPL R12, $0x40
|
|
JLE four_bytes_remain_match_nolit_encodeSnappyBetterBlockAsm
|
|
MOVB $0xff, (AX)
|
|
MOVL R8, 1(AX)
|
|
LEAL -64(R12), R12
|
|
ADDQ $0x05, AX
|
|
CMPL R12, $0x04
|
|
JL four_bytes_remain_match_nolit_encodeSnappyBetterBlockAsm
|
|
JMP four_bytes_loop_back_match_nolit_encodeSnappyBetterBlockAsm
|
|
|
|
four_bytes_remain_match_nolit_encodeSnappyBetterBlockAsm:
|
|
TESTL R12, R12
|
|
JZ match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm
|
|
MOVB $0x03, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVL R8, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm
|
|
|
|
two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm:
|
|
CMPL R12, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm
|
|
MOVB $0xee, (AX)
|
|
MOVW R8, 1(AX)
|
|
LEAL -60(R12), R12
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm
|
|
|
|
two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm:
|
|
CMPL R12, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm
|
|
CMPL R8, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SHRL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm
|
|
|
|
emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBetterBlockAsm
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeSnappyBetterBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeSnappyBetterBlockAsm:
|
|
MOVQ $0x00cf1bbcdcbfa563, SI
|
|
MOVQ $0x9e3779b1, R8
|
|
INCL DI
|
|
MOVQ (DX)(DI*1), R9
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
MOVQ R9, R12
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
SHRQ $0x10, R12
|
|
LEAL 1(DI), R14
|
|
LEAL 2(DI), R15
|
|
MOVQ -2(DX)(CX*1), R9
|
|
SHLQ $0x08, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x08, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x30, R13
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x32, R11
|
|
SHLQ $0x20, R12
|
|
IMULQ R8, R12
|
|
SHRQ $0x32, R12
|
|
MOVL DI, 24(SP)(R10*4)
|
|
MOVL R14, 24(SP)(R13*4)
|
|
MOVL R14, 262168(SP)(R11*4)
|
|
MOVL R15, 262168(SP)(R12*4)
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
LEAL -2(CX), R9
|
|
LEAL -1(CX), DI
|
|
SHLQ $0x08, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x32, R11
|
|
SHLQ $0x08, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x30, R13
|
|
MOVL R9, 24(SP)(R10*4)
|
|
MOVL DI, 262168(SP)(R11*4)
|
|
MOVL DI, 24(SP)(R13*4)
|
|
JMP search_loop_encodeSnappyBetterBlockAsm
|
|
|
|
emit_remainder_encodeSnappyBetterBlockAsm:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 5(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeSnappyBetterBlockAsm
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeSnappyBetterBlockAsm:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeSnappyBetterBlockAsm
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeSnappyBetterBlockAsm
|
|
CMPL DX, $0x00010000
|
|
JLT three_bytes_emit_remainder_encodeSnappyBetterBlockAsm
|
|
CMPL DX, $0x01000000
|
|
JLT four_bytes_emit_remainder_encodeSnappyBetterBlockAsm
|
|
MOVB $0xfc, (AX)
|
|
MOVL DX, 1(AX)
|
|
ADDQ $0x05, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm
|
|
|
|
four_bytes_emit_remainder_encodeSnappyBetterBlockAsm:
|
|
MOVL DX, BX
|
|
SHRL $0x10, BX
|
|
MOVB $0xf8, (AX)
|
|
MOVW DX, 1(AX)
|
|
MOVB BL, 3(AX)
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm
|
|
|
|
three_bytes_emit_remainder_encodeSnappyBetterBlockAsm:
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm
|
|
|
|
two_bytes_emit_remainder_encodeSnappyBetterBlockAsm:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeSnappyBetterBlockAsm
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm
|
|
|
|
one_byte_emit_remainder_encodeSnappyBetterBlockAsm:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeSnappyBetterBlockAsm:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm
|
|
|
|
memmove_long_emit_remainder_encodeSnappyBetterBlockAsm:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsmlarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsmlarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsmlarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeSnappyBetterBlockAsm64K(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeSnappyBetterBlockAsm64K(SB), $327704-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000a00, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeSnappyBetterBlockAsm64K:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeSnappyBetterBlockAsm64K
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL $0x00000000, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeSnappyBetterBlockAsm64K:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x07, SI
|
|
LEAL 1(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x00cf1bbcdcbfa563, R9
|
|
MOVQ $0x9e3779b1, SI
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHLQ $0x08, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ SI, R11
|
|
SHRQ $0x32, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 262168(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
MOVL CX, 262168(SP)(R11*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBetterBlockAsm64K
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidateS_match_encodeSnappyBetterBlockAsm64K
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeSnappyBetterBlockAsm64K
|
|
|
|
candidateS_match_encodeSnappyBetterBlockAsm64K:
|
|
SHRQ $0x08, DI
|
|
MOVQ DI, R10
|
|
SHLQ $0x08, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x30, R10
|
|
MOVL 24(SP)(R10*4), SI
|
|
INCL CX
|
|
MOVL CX, 24(SP)(R10*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBetterBlockAsm64K
|
|
DECL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeSnappyBetterBlockAsm64K:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeSnappyBetterBlockAsm64K
|
|
|
|
match_extend_back_loop_encodeSnappyBetterBlockAsm64K:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeSnappyBetterBlockAsm64K
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeSnappyBetterBlockAsm64K
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeSnappyBetterBlockAsm64K
|
|
JMP match_extend_back_loop_encodeSnappyBetterBlockAsm64K
|
|
|
|
match_extend_back_end_encodeSnappyBetterBlockAsm64K:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeSnappyBetterBlockAsm64K
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeSnappyBetterBlockAsm64K:
|
|
MOVL CX, DI
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), R10
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_match_nolit_encodeSnappyBetterBlockAsm64K
|
|
|
|
matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm64K:
|
|
MOVQ (R9)(R12*1), R11
|
|
XORQ (R10)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm64K
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP match_nolit_end_encodeSnappyBetterBlockAsm64K
|
|
|
|
matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm64K:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R12), R12
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm64K
|
|
JZ match_nolit_end_encodeSnappyBetterBlockAsm64K
|
|
|
|
matchlen_match4_match_nolit_encodeSnappyBetterBlockAsm64K:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm64K
|
|
MOVL (R9)(R12*1), R11
|
|
CMPL (R10)(R12*1), R11
|
|
JNE matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm64K
|
|
SUBL $0x04, R8
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm64K:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm64K
|
|
MOVW (R9)(R12*1), R11
|
|
CMPW (R10)(R12*1), R11
|
|
JNE matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm64K
|
|
SUBL $0x02, R8
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm64K:
|
|
CMPL R8, $0x01
|
|
JL match_nolit_end_encodeSnappyBetterBlockAsm64K
|
|
MOVB (R9)(R12*1), R11
|
|
CMPB (R10)(R12*1), R11
|
|
JNE match_nolit_end_encodeSnappyBetterBlockAsm64K
|
|
LEAL 1(R12), R12
|
|
|
|
match_nolit_end_encodeSnappyBetterBlockAsm64K:
|
|
MOVL CX, R8
|
|
SUBL SI, R8
|
|
|
|
// Check if repeat
|
|
MOVL R8, 16(SP)
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_encodeSnappyBetterBlockAsm64K
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_encodeSnappyBetterBlockAsm64K
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_encodeSnappyBetterBlockAsm64K
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm64K
|
|
|
|
two_bytes_match_emit_encodeSnappyBetterBlockAsm64K:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_encodeSnappyBetterBlockAsm64K
|
|
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm64K
|
|
|
|
one_byte_match_emit_encodeSnappyBetterBlockAsm64K:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeSnappyBetterBlockAsm64K:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_8:
|
|
MOVQ (R10), R11
|
|
MOVQ R11, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm64K
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm64K
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm64K
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm64K_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm64K:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_encodeSnappyBetterBlockAsm64K
|
|
|
|
memmove_long_match_emit_encodeSnappyBetterBlockAsm64K:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm64Klarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm64Klarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_encodeSnappyBetterBlockAsm64K:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm64K:
|
|
CMPL R12, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm64K
|
|
MOVB $0xee, (AX)
|
|
MOVW R8, 1(AX)
|
|
LEAL -60(R12), R12
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm64K
|
|
|
|
two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm64K:
|
|
CMPL R12, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm64K
|
|
CMPL R8, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm64K
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SHRL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm64K
|
|
|
|
emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm64K:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm64K:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeSnappyBetterBlockAsm64K
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeSnappyBetterBlockAsm64K:
|
|
MOVQ $0x00cf1bbcdcbfa563, SI
|
|
MOVQ $0x9e3779b1, R8
|
|
INCL DI
|
|
MOVQ (DX)(DI*1), R9
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
MOVQ R9, R12
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
SHRQ $0x10, R12
|
|
LEAL 1(DI), R14
|
|
LEAL 2(DI), R15
|
|
MOVQ -2(DX)(CX*1), R9
|
|
SHLQ $0x08, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x08, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x30, R13
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x32, R11
|
|
SHLQ $0x20, R12
|
|
IMULQ R8, R12
|
|
SHRQ $0x32, R12
|
|
MOVL DI, 24(SP)(R10*4)
|
|
MOVL R14, 24(SP)(R13*4)
|
|
MOVL R14, 262168(SP)(R11*4)
|
|
MOVL R15, 262168(SP)(R12*4)
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
LEAL -2(CX), R9
|
|
LEAL -1(CX), DI
|
|
SHLQ $0x08, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x30, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x32, R11
|
|
SHLQ $0x08, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x30, R13
|
|
MOVL R9, 24(SP)(R10*4)
|
|
MOVL DI, 262168(SP)(R11*4)
|
|
MOVL DI, 24(SP)(R13*4)
|
|
JMP search_loop_encodeSnappyBetterBlockAsm64K
|
|
|
|
emit_remainder_encodeSnappyBetterBlockAsm64K:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeSnappyBetterBlockAsm64K
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeSnappyBetterBlockAsm64K:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
|
|
two_bytes_emit_remainder_encodeSnappyBetterBlockAsm64K:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
|
|
one_byte_emit_remainder_encodeSnappyBetterBlockAsm64K:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeSnappyBetterBlockAsm64K:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm64K_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm64K:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm64K
|
|
|
|
memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64K:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64Klarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64Klarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm64Klarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm64K:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeSnappyBetterBlockAsm12B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeSnappyBetterBlockAsm12B(SB), $81944-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x00000280, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeSnappyBetterBlockAsm12B:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeSnappyBetterBlockAsm12B
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL $0x00000000, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeSnappyBetterBlockAsm12B:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x06, SI
|
|
LEAL 1(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ $0x9e3779b1, SI
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x32, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ SI, R11
|
|
SHRQ $0x34, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 65560(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
MOVL CX, 65560(SP)(R11*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBetterBlockAsm12B
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidateS_match_encodeSnappyBetterBlockAsm12B
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeSnappyBetterBlockAsm12B
|
|
|
|
candidateS_match_encodeSnappyBetterBlockAsm12B:
|
|
SHRQ $0x08, DI
|
|
MOVQ DI, R10
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x32, R10
|
|
MOVL 24(SP)(R10*4), SI
|
|
INCL CX
|
|
MOVL CX, 24(SP)(R10*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBetterBlockAsm12B
|
|
DECL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeSnappyBetterBlockAsm12B:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeSnappyBetterBlockAsm12B
|
|
|
|
match_extend_back_loop_encodeSnappyBetterBlockAsm12B:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeSnappyBetterBlockAsm12B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeSnappyBetterBlockAsm12B
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeSnappyBetterBlockAsm12B
|
|
JMP match_extend_back_loop_encodeSnappyBetterBlockAsm12B
|
|
|
|
match_extend_back_end_encodeSnappyBetterBlockAsm12B:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeSnappyBetterBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeSnappyBetterBlockAsm12B:
|
|
MOVL CX, DI
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), R10
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_match_nolit_encodeSnappyBetterBlockAsm12B
|
|
|
|
matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm12B:
|
|
MOVQ (R9)(R12*1), R11
|
|
XORQ (R10)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm12B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP match_nolit_end_encodeSnappyBetterBlockAsm12B
|
|
|
|
matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm12B:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R12), R12
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm12B
|
|
JZ match_nolit_end_encodeSnappyBetterBlockAsm12B
|
|
|
|
matchlen_match4_match_nolit_encodeSnappyBetterBlockAsm12B:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm12B
|
|
MOVL (R9)(R12*1), R11
|
|
CMPL (R10)(R12*1), R11
|
|
JNE matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm12B
|
|
SUBL $0x04, R8
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm12B:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm12B
|
|
MOVW (R9)(R12*1), R11
|
|
CMPW (R10)(R12*1), R11
|
|
JNE matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm12B
|
|
SUBL $0x02, R8
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm12B:
|
|
CMPL R8, $0x01
|
|
JL match_nolit_end_encodeSnappyBetterBlockAsm12B
|
|
MOVB (R9)(R12*1), R11
|
|
CMPB (R10)(R12*1), R11
|
|
JNE match_nolit_end_encodeSnappyBetterBlockAsm12B
|
|
LEAL 1(R12), R12
|
|
|
|
match_nolit_end_encodeSnappyBetterBlockAsm12B:
|
|
MOVL CX, R8
|
|
SUBL SI, R8
|
|
|
|
// Check if repeat
|
|
MOVL R8, 16(SP)
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_encodeSnappyBetterBlockAsm12B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_encodeSnappyBetterBlockAsm12B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_encodeSnappyBetterBlockAsm12B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm12B
|
|
|
|
two_bytes_match_emit_encodeSnappyBetterBlockAsm12B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_encodeSnappyBetterBlockAsm12B
|
|
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm12B
|
|
|
|
one_byte_match_emit_encodeSnappyBetterBlockAsm12B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeSnappyBetterBlockAsm12B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_8:
|
|
MOVQ (R10), R11
|
|
MOVQ R11, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm12B_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm12B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_encodeSnappyBetterBlockAsm12B
|
|
|
|
memmove_long_match_emit_encodeSnappyBetterBlockAsm12B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm12Blarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm12Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_encodeSnappyBetterBlockAsm12B:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm12B:
|
|
CMPL R12, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm12B
|
|
MOVB $0xee, (AX)
|
|
MOVW R8, 1(AX)
|
|
LEAL -60(R12), R12
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm12B
|
|
|
|
two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm12B:
|
|
CMPL R12, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm12B
|
|
CMPL R8, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm12B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SHRL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm12B
|
|
|
|
emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm12B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm12B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeSnappyBetterBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeSnappyBetterBlockAsm12B:
|
|
MOVQ $0x0000cf1bbcdcbf9b, SI
|
|
MOVQ $0x9e3779b1, R8
|
|
INCL DI
|
|
MOVQ (DX)(DI*1), R9
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
MOVQ R9, R12
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
SHRQ $0x10, R12
|
|
LEAL 1(DI), R14
|
|
LEAL 2(DI), R15
|
|
MOVQ -2(DX)(CX*1), R9
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x32, R10
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x32, R13
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x34, R11
|
|
SHLQ $0x20, R12
|
|
IMULQ R8, R12
|
|
SHRQ $0x34, R12
|
|
MOVL DI, 24(SP)(R10*4)
|
|
MOVL R14, 24(SP)(R13*4)
|
|
MOVL R14, 65560(SP)(R11*4)
|
|
MOVL R15, 65560(SP)(R12*4)
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
LEAL -2(CX), R9
|
|
LEAL -1(CX), DI
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x32, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x34, R11
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x32, R13
|
|
MOVL R9, 24(SP)(R10*4)
|
|
MOVL DI, 65560(SP)(R11*4)
|
|
MOVL DI, 24(SP)(R13*4)
|
|
JMP search_loop_encodeSnappyBetterBlockAsm12B
|
|
|
|
emit_remainder_encodeSnappyBetterBlockAsm12B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeSnappyBetterBlockAsm12B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeSnappyBetterBlockAsm12B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
|
|
two_bytes_emit_remainder_encodeSnappyBetterBlockAsm12B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
|
|
one_byte_emit_remainder_encodeSnappyBetterBlockAsm12B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeSnappyBetterBlockAsm12B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm12B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm12B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm12B
|
|
|
|
memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm12Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm12B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeSnappyBetterBlockAsm10B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
|
|
TEXT ·encodeSnappyBetterBlockAsm10B(SB), $20504-56
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ $0x000000a0, CX
|
|
LEAQ 24(SP), DX
|
|
PXOR X0, X0
|
|
|
|
zero_loop_encodeSnappyBetterBlockAsm10B:
|
|
MOVOU X0, (DX)
|
|
MOVOU X0, 16(DX)
|
|
MOVOU X0, 32(DX)
|
|
MOVOU X0, 48(DX)
|
|
MOVOU X0, 64(DX)
|
|
MOVOU X0, 80(DX)
|
|
MOVOU X0, 96(DX)
|
|
MOVOU X0, 112(DX)
|
|
ADDQ $0x80, DX
|
|
DECQ CX
|
|
JNZ zero_loop_encodeSnappyBetterBlockAsm10B
|
|
MOVL $0x00000000, 12(SP)
|
|
MOVQ src_len+32(FP), CX
|
|
LEAQ -9(CX), DX
|
|
LEAQ -8(CX), SI
|
|
MOVL SI, 8(SP)
|
|
SHRQ $0x05, CX
|
|
SUBL CX, DX
|
|
LEAQ (AX)(DX*1), DX
|
|
MOVQ DX, (SP)
|
|
MOVL $0x00000001, CX
|
|
MOVL $0x00000000, 16(SP)
|
|
MOVQ src_base+24(FP), DX
|
|
|
|
search_loop_encodeSnappyBetterBlockAsm10B:
|
|
MOVL CX, SI
|
|
SUBL 12(SP), SI
|
|
SHRL $0x05, SI
|
|
LEAL 1(CX)(SI*1), SI
|
|
CMPL SI, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
MOVQ (DX)(CX*1), DI
|
|
MOVL SI, 20(SP)
|
|
MOVQ $0x0000cf1bbcdcbf9b, R9
|
|
MOVQ $0x9e3779b1, SI
|
|
MOVQ DI, R10
|
|
MOVQ DI, R11
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x34, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ SI, R11
|
|
SHRQ $0x36, R11
|
|
MOVL 24(SP)(R10*4), SI
|
|
MOVL 16408(SP)(R11*4), R8
|
|
MOVL CX, 24(SP)(R10*4)
|
|
MOVL CX, 16408(SP)(R11*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBetterBlockAsm10B
|
|
CMPL (DX)(R8*1), DI
|
|
JEQ candidateS_match_encodeSnappyBetterBlockAsm10B
|
|
MOVL 20(SP), CX
|
|
JMP search_loop_encodeSnappyBetterBlockAsm10B
|
|
|
|
candidateS_match_encodeSnappyBetterBlockAsm10B:
|
|
SHRQ $0x08, DI
|
|
MOVQ DI, R10
|
|
SHLQ $0x10, R10
|
|
IMULQ R9, R10
|
|
SHRQ $0x34, R10
|
|
MOVL 24(SP)(R10*4), SI
|
|
INCL CX
|
|
MOVL CX, 24(SP)(R10*4)
|
|
CMPL (DX)(SI*1), DI
|
|
JEQ candidate_match_encodeSnappyBetterBlockAsm10B
|
|
DECL CX
|
|
MOVL R8, SI
|
|
|
|
candidate_match_encodeSnappyBetterBlockAsm10B:
|
|
MOVL 12(SP), DI
|
|
TESTL SI, SI
|
|
JZ match_extend_back_end_encodeSnappyBetterBlockAsm10B
|
|
|
|
match_extend_back_loop_encodeSnappyBetterBlockAsm10B:
|
|
CMPL CX, DI
|
|
JLE match_extend_back_end_encodeSnappyBetterBlockAsm10B
|
|
MOVB -1(DX)(SI*1), BL
|
|
MOVB -1(DX)(CX*1), R8
|
|
CMPB BL, R8
|
|
JNE match_extend_back_end_encodeSnappyBetterBlockAsm10B
|
|
LEAL -1(CX), CX
|
|
DECL SI
|
|
JZ match_extend_back_end_encodeSnappyBetterBlockAsm10B
|
|
JMP match_extend_back_loop_encodeSnappyBetterBlockAsm10B
|
|
|
|
match_extend_back_end_encodeSnappyBetterBlockAsm10B:
|
|
MOVL CX, DI
|
|
SUBL 12(SP), DI
|
|
LEAQ 3(AX)(DI*1), DI
|
|
CMPQ DI, (SP)
|
|
JL match_dst_size_check_encodeSnappyBetterBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_dst_size_check_encodeSnappyBetterBlockAsm10B:
|
|
MOVL CX, DI
|
|
ADDL $0x04, CX
|
|
ADDL $0x04, SI
|
|
MOVQ src_len+32(FP), R8
|
|
SUBL CX, R8
|
|
LEAQ (DX)(CX*1), R9
|
|
LEAQ (DX)(SI*1), R10
|
|
|
|
// matchLen
|
|
XORL R12, R12
|
|
CMPL R8, $0x08
|
|
JL matchlen_match4_match_nolit_encodeSnappyBetterBlockAsm10B
|
|
|
|
matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm10B:
|
|
MOVQ (R9)(R12*1), R11
|
|
XORQ (R10)(R12*1), R11
|
|
TESTQ R11, R11
|
|
JZ matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm10B
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ R11, R11
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ R11, R11
|
|
|
|
#endif
|
|
SARQ $0x03, R11
|
|
LEAL (R12)(R11*1), R12
|
|
JMP match_nolit_end_encodeSnappyBetterBlockAsm10B
|
|
|
|
matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm10B:
|
|
LEAL -8(R8), R8
|
|
LEAL 8(R12), R12
|
|
CMPL R8, $0x08
|
|
JGE matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm10B
|
|
JZ match_nolit_end_encodeSnappyBetterBlockAsm10B
|
|
|
|
matchlen_match4_match_nolit_encodeSnappyBetterBlockAsm10B:
|
|
CMPL R8, $0x04
|
|
JL matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm10B
|
|
MOVL (R9)(R12*1), R11
|
|
CMPL (R10)(R12*1), R11
|
|
JNE matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm10B
|
|
SUBL $0x04, R8
|
|
LEAL 4(R12), R12
|
|
|
|
matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm10B:
|
|
CMPL R8, $0x02
|
|
JL matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm10B
|
|
MOVW (R9)(R12*1), R11
|
|
CMPW (R10)(R12*1), R11
|
|
JNE matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm10B
|
|
SUBL $0x02, R8
|
|
LEAL 2(R12), R12
|
|
|
|
matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm10B:
|
|
CMPL R8, $0x01
|
|
JL match_nolit_end_encodeSnappyBetterBlockAsm10B
|
|
MOVB (R9)(R12*1), R11
|
|
CMPB (R10)(R12*1), R11
|
|
JNE match_nolit_end_encodeSnappyBetterBlockAsm10B
|
|
LEAL 1(R12), R12
|
|
|
|
match_nolit_end_encodeSnappyBetterBlockAsm10B:
|
|
MOVL CX, R8
|
|
SUBL SI, R8
|
|
|
|
// Check if repeat
|
|
MOVL R8, 16(SP)
|
|
MOVL 12(SP), SI
|
|
CMPL SI, DI
|
|
JEQ emit_literal_done_match_emit_encodeSnappyBetterBlockAsm10B
|
|
MOVL DI, R9
|
|
MOVL DI, 12(SP)
|
|
LEAQ (DX)(SI*1), R10
|
|
SUBL SI, R9
|
|
LEAL -1(R9), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_match_emit_encodeSnappyBetterBlockAsm10B
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_match_emit_encodeSnappyBetterBlockAsm10B
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm10B
|
|
|
|
two_bytes_match_emit_encodeSnappyBetterBlockAsm10B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_match_emit_encodeSnappyBetterBlockAsm10B
|
|
JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm10B
|
|
|
|
one_byte_match_emit_encodeSnappyBetterBlockAsm10B:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_match_emit_encodeSnappyBetterBlockAsm10B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveShort
|
|
CMPQ R9, $0x08
|
|
JLE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_8
|
|
CMPQ R9, $0x10
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_8through16
|
|
CMPQ R9, $0x20
|
|
JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_17through32
|
|
JMP emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_8:
|
|
MOVQ (R10), R11
|
|
MOVQ R11, (AX)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_8through16:
|
|
MOVQ (R10), R11
|
|
MOVQ -8(R10)(R9*1), R10
|
|
MOVQ R11, (AX)
|
|
MOVQ R10, -8(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_17through32:
|
|
MOVOU (R10), X0
|
|
MOVOU -16(R10)(R9*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(R9*1)
|
|
JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm10B_memmove_move_33through64:
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
|
|
memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm10B:
|
|
MOVQ SI, AX
|
|
JMP emit_literal_done_match_emit_encodeSnappyBetterBlockAsm10B
|
|
|
|
memmove_long_match_emit_encodeSnappyBetterBlockAsm10B:
|
|
LEAQ (AX)(R9*1), SI
|
|
|
|
// genMemMoveLong
|
|
MOVOU (R10), X0
|
|
MOVOU 16(R10), X1
|
|
MOVOU -32(R10)(R9*1), X2
|
|
MOVOU -16(R10)(R9*1), X3
|
|
MOVQ R9, R13
|
|
SHRQ $0x05, R13
|
|
MOVQ AX, R11
|
|
ANDL $0x0000001f, R11
|
|
MOVQ $0x00000040, R14
|
|
SUBQ R11, R14
|
|
DECQ R13
|
|
JA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32
|
|
LEAQ -32(R10)(R14*1), R11
|
|
LEAQ -32(AX)(R14*1), R15
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm10Blarge_big_loop_back:
|
|
MOVOU (R11), X4
|
|
MOVOU 16(R11), X5
|
|
MOVOA X4, (R15)
|
|
MOVOA X5, 16(R15)
|
|
ADDQ $0x20, R15
|
|
ADDQ $0x20, R11
|
|
ADDQ $0x20, R14
|
|
DECQ R13
|
|
JNA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm10Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32:
|
|
MOVOU -32(R10)(R14*1), X4
|
|
MOVOU -16(R10)(R14*1), X5
|
|
MOVOA X4, -32(AX)(R14*1)
|
|
MOVOA X5, -16(AX)(R14*1)
|
|
ADDQ $0x20, R14
|
|
CMPQ R9, R14
|
|
JAE emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(R9*1)
|
|
MOVOU X3, -16(AX)(R9*1)
|
|
MOVQ SI, AX
|
|
|
|
emit_literal_done_match_emit_encodeSnappyBetterBlockAsm10B:
|
|
ADDL R12, CX
|
|
ADDL $0x04, R12
|
|
MOVL CX, 12(SP)
|
|
|
|
// emitCopy
|
|
two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm10B:
|
|
CMPL R12, $0x40
|
|
JLE two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm10B
|
|
MOVB $0xee, (AX)
|
|
MOVW R8, 1(AX)
|
|
LEAL -60(R12), R12
|
|
ADDQ $0x03, AX
|
|
JMP two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm10B
|
|
|
|
two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm10B:
|
|
CMPL R12, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm10B
|
|
CMPL R8, $0x00000800
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm10B
|
|
MOVB $0x01, BL
|
|
LEAL -16(BX)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SHRL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm10B
|
|
|
|
emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm10B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm10B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeSnappyBetterBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeSnappyBetterBlockAsm10B:
|
|
MOVQ $0x0000cf1bbcdcbf9b, SI
|
|
MOVQ $0x9e3779b1, R8
|
|
INCL DI
|
|
MOVQ (DX)(DI*1), R9
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
MOVQ R9, R12
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
SHRQ $0x10, R12
|
|
LEAL 1(DI), R14
|
|
LEAL 2(DI), R15
|
|
MOVQ -2(DX)(CX*1), R9
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x34, R10
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x34, R13
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x36, R11
|
|
SHLQ $0x20, R12
|
|
IMULQ R8, R12
|
|
SHRQ $0x36, R12
|
|
MOVL DI, 24(SP)(R10*4)
|
|
MOVL R14, 24(SP)(R13*4)
|
|
MOVL R14, 16408(SP)(R11*4)
|
|
MOVL R15, 16408(SP)(R12*4)
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
LEAL -2(CX), R9
|
|
LEAL -1(CX), DI
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x34, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x36, R11
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x34, R13
|
|
MOVL R9, 24(SP)(R10*4)
|
|
MOVL DI, 16408(SP)(R11*4)
|
|
MOVL DI, 24(SP)(R13*4)
|
|
JMP search_loop_encodeSnappyBetterBlockAsm10B
|
|
|
|
emit_remainder_encodeSnappyBetterBlockAsm10B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeSnappyBetterBlockAsm10B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeSnappyBetterBlockAsm10B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
|
|
two_bytes_emit_remainder_encodeSnappyBetterBlockAsm10B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
|
|
one_byte_emit_remainder_encodeSnappyBetterBlockAsm10B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeSnappyBetterBlockAsm10B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm10B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm10B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm10B
|
|
|
|
memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm10Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm10B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func encodeSnappyBetterBlockAsm8B(dst []byte, src []byte) int
|
|
// Requires: BMI, SSE2
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|
TEXT ·encodeSnappyBetterBlockAsm8B(SB), $5144-56
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MOVQ dst_base+0(FP), AX
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MOVQ $0x00000028, CX
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LEAQ 24(SP), DX
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PXOR X0, X0
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zero_loop_encodeSnappyBetterBlockAsm8B:
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MOVOU X0, (DX)
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MOVOU X0, 16(DX)
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MOVOU X0, 32(DX)
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MOVOU X0, 48(DX)
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MOVOU X0, 64(DX)
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MOVOU X0, 80(DX)
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MOVOU X0, 96(DX)
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MOVOU X0, 112(DX)
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ADDQ $0x80, DX
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DECQ CX
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JNZ zero_loop_encodeSnappyBetterBlockAsm8B
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MOVL $0x00000000, 12(SP)
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MOVQ src_len+32(FP), CX
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LEAQ -9(CX), DX
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LEAQ -8(CX), SI
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MOVL SI, 8(SP)
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SHRQ $0x05, CX
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SUBL CX, DX
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LEAQ (AX)(DX*1), DX
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MOVQ DX, (SP)
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MOVL $0x00000001, CX
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MOVL $0x00000000, 16(SP)
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MOVQ src_base+24(FP), DX
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|
|
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search_loop_encodeSnappyBetterBlockAsm8B:
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MOVL CX, SI
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SUBL 12(SP), SI
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SHRL $0x04, SI
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LEAL 1(CX)(SI*1), SI
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CMPL SI, 8(SP)
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JGE emit_remainder_encodeSnappyBetterBlockAsm8B
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MOVQ (DX)(CX*1), DI
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MOVL SI, 20(SP)
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MOVQ $0x0000cf1bbcdcbf9b, R9
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MOVQ $0x9e3779b1, SI
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MOVQ DI, R10
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MOVQ DI, R11
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SHLQ $0x10, R10
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IMULQ R9, R10
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SHRQ $0x36, R10
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SHLQ $0x20, R11
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IMULQ SI, R11
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SHRQ $0x38, R11
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MOVL 24(SP)(R10*4), SI
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MOVL 4120(SP)(R11*4), R8
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MOVL CX, 24(SP)(R10*4)
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MOVL CX, 4120(SP)(R11*4)
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CMPL (DX)(SI*1), DI
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JEQ candidate_match_encodeSnappyBetterBlockAsm8B
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CMPL (DX)(R8*1), DI
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JEQ candidateS_match_encodeSnappyBetterBlockAsm8B
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MOVL 20(SP), CX
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JMP search_loop_encodeSnappyBetterBlockAsm8B
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candidateS_match_encodeSnappyBetterBlockAsm8B:
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SHRQ $0x08, DI
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MOVQ DI, R10
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SHLQ $0x10, R10
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IMULQ R9, R10
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SHRQ $0x36, R10
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MOVL 24(SP)(R10*4), SI
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INCL CX
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MOVL CX, 24(SP)(R10*4)
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CMPL (DX)(SI*1), DI
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JEQ candidate_match_encodeSnappyBetterBlockAsm8B
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DECL CX
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MOVL R8, SI
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candidate_match_encodeSnappyBetterBlockAsm8B:
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MOVL 12(SP), DI
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TESTL SI, SI
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JZ match_extend_back_end_encodeSnappyBetterBlockAsm8B
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match_extend_back_loop_encodeSnappyBetterBlockAsm8B:
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CMPL CX, DI
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JLE match_extend_back_end_encodeSnappyBetterBlockAsm8B
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MOVB -1(DX)(SI*1), BL
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MOVB -1(DX)(CX*1), R8
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CMPB BL, R8
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JNE match_extend_back_end_encodeSnappyBetterBlockAsm8B
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LEAL -1(CX), CX
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DECL SI
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JZ match_extend_back_end_encodeSnappyBetterBlockAsm8B
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JMP match_extend_back_loop_encodeSnappyBetterBlockAsm8B
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|
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match_extend_back_end_encodeSnappyBetterBlockAsm8B:
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MOVL CX, DI
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SUBL 12(SP), DI
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LEAQ 3(AX)(DI*1), DI
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CMPQ DI, (SP)
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JL match_dst_size_check_encodeSnappyBetterBlockAsm8B
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MOVQ $0x00000000, ret+48(FP)
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RET
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|
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match_dst_size_check_encodeSnappyBetterBlockAsm8B:
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MOVL CX, DI
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ADDL $0x04, CX
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ADDL $0x04, SI
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MOVQ src_len+32(FP), R8
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SUBL CX, R8
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LEAQ (DX)(CX*1), R9
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LEAQ (DX)(SI*1), R10
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|
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// matchLen
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XORL R12, R12
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CMPL R8, $0x08
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JL matchlen_match4_match_nolit_encodeSnappyBetterBlockAsm8B
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|
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matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm8B:
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MOVQ (R9)(R12*1), R11
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XORQ (R10)(R12*1), R11
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TESTQ R11, R11
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JZ matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm8B
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|
|
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#ifdef GOAMD64_v3
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TZCNTQ R11, R11
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|
|
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#define TZCNTQ_EMITTED 1
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#endif
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|
|
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#ifdef GOAMD64_v4
|
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TZCNTQ R11, R11
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|
|
|
#define TZCNTQ_EMITTED 1
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#endif
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|
|
|
#ifdef TZCNTQ_EMITTED
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#undef TZCNTQ_EMITTED
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#else
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BSFQ R11, R11
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|
|
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#endif
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SARQ $0x03, R11
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LEAL (R12)(R11*1), R12
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JMP match_nolit_end_encodeSnappyBetterBlockAsm8B
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|
|
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matchlen_loop_match_nolit_encodeSnappyBetterBlockAsm8B:
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LEAL -8(R8), R8
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LEAL 8(R12), R12
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CMPL R8, $0x08
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JGE matchlen_loopback_match_nolit_encodeSnappyBetterBlockAsm8B
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JZ match_nolit_end_encodeSnappyBetterBlockAsm8B
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matchlen_match4_match_nolit_encodeSnappyBetterBlockAsm8B:
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CMPL R8, $0x04
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JL matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm8B
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MOVL (R9)(R12*1), R11
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CMPL (R10)(R12*1), R11
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JNE matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm8B
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SUBL $0x04, R8
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LEAL 4(R12), R12
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|
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matchlen_match2_match_nolit_encodeSnappyBetterBlockAsm8B:
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CMPL R8, $0x02
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JL matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm8B
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MOVW (R9)(R12*1), R11
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CMPW (R10)(R12*1), R11
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JNE matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm8B
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SUBL $0x02, R8
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LEAL 2(R12), R12
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matchlen_match1_match_nolit_encodeSnappyBetterBlockAsm8B:
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CMPL R8, $0x01
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JL match_nolit_end_encodeSnappyBetterBlockAsm8B
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MOVB (R9)(R12*1), R11
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CMPB (R10)(R12*1), R11
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JNE match_nolit_end_encodeSnappyBetterBlockAsm8B
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LEAL 1(R12), R12
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match_nolit_end_encodeSnappyBetterBlockAsm8B:
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MOVL CX, R8
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SUBL SI, R8
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// Check if repeat
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MOVL R8, 16(SP)
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MOVL 12(SP), SI
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CMPL SI, DI
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JEQ emit_literal_done_match_emit_encodeSnappyBetterBlockAsm8B
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MOVL DI, R9
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MOVL DI, 12(SP)
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LEAQ (DX)(SI*1), R10
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SUBL SI, R9
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LEAL -1(R9), SI
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CMPL SI, $0x3c
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JLT one_byte_match_emit_encodeSnappyBetterBlockAsm8B
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CMPL SI, $0x00000100
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JLT two_bytes_match_emit_encodeSnappyBetterBlockAsm8B
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MOVB $0xf4, (AX)
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MOVW SI, 1(AX)
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ADDQ $0x03, AX
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JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm8B
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|
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two_bytes_match_emit_encodeSnappyBetterBlockAsm8B:
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MOVB $0xf0, (AX)
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MOVB SI, 1(AX)
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ADDQ $0x02, AX
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CMPL SI, $0x40
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JL memmove_match_emit_encodeSnappyBetterBlockAsm8B
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JMP memmove_long_match_emit_encodeSnappyBetterBlockAsm8B
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one_byte_match_emit_encodeSnappyBetterBlockAsm8B:
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SHLB $0x02, SI
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MOVB SI, (AX)
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ADDQ $0x01, AX
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|
|
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memmove_match_emit_encodeSnappyBetterBlockAsm8B:
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LEAQ (AX)(R9*1), SI
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// genMemMoveShort
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CMPQ R9, $0x08
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JLE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_8
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CMPQ R9, $0x10
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JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_8through16
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CMPQ R9, $0x20
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JBE emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_17through32
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JMP emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_33through64
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emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_8:
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MOVQ (R10), R11
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MOVQ R11, (AX)
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JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm8B
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|
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emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_8through16:
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MOVQ (R10), R11
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MOVQ -8(R10)(R9*1), R10
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MOVQ R11, (AX)
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MOVQ R10, -8(AX)(R9*1)
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JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm8B
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|
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emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_17through32:
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MOVOU (R10), X0
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MOVOU -16(R10)(R9*1), X1
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MOVOU X0, (AX)
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MOVOU X1, -16(AX)(R9*1)
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JMP memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm8B
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|
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emit_lit_memmove_match_emit_encodeSnappyBetterBlockAsm8B_memmove_move_33through64:
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MOVOU (R10), X0
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MOVOU 16(R10), X1
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MOVOU -32(R10)(R9*1), X2
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MOVOU -16(R10)(R9*1), X3
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MOVOU X0, (AX)
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MOVOU X1, 16(AX)
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MOVOU X2, -32(AX)(R9*1)
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MOVOU X3, -16(AX)(R9*1)
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|
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memmove_end_copy_match_emit_encodeSnappyBetterBlockAsm8B:
|
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MOVQ SI, AX
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JMP emit_literal_done_match_emit_encodeSnappyBetterBlockAsm8B
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|
|
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memmove_long_match_emit_encodeSnappyBetterBlockAsm8B:
|
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LEAQ (AX)(R9*1), SI
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|
|
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// genMemMoveLong
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MOVOU (R10), X0
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MOVOU 16(R10), X1
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MOVOU -32(R10)(R9*1), X2
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MOVOU -16(R10)(R9*1), X3
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MOVQ R9, R13
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SHRQ $0x05, R13
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MOVQ AX, R11
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ANDL $0x0000001f, R11
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MOVQ $0x00000040, R14
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SUBQ R11, R14
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DECQ R13
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JA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32
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LEAQ -32(R10)(R14*1), R11
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LEAQ -32(AX)(R14*1), R15
|
|
|
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emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm8Blarge_big_loop_back:
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MOVOU (R11), X4
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MOVOU 16(R11), X5
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MOVOA X4, (R15)
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MOVOA X5, 16(R15)
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ADDQ $0x20, R15
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ADDQ $0x20, R11
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ADDQ $0x20, R14
|
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DECQ R13
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JNA emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm8Blarge_big_loop_back
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emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32:
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MOVOU -32(R10)(R14*1), X4
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MOVOU -16(R10)(R14*1), X5
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MOVOA X4, -32(AX)(R14*1)
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MOVOA X5, -16(AX)(R14*1)
|
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ADDQ $0x20, R14
|
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CMPQ R9, R14
|
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JAE emit_lit_memmove_long_match_emit_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32
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MOVOU X0, (AX)
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MOVOU X1, 16(AX)
|
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MOVOU X2, -32(AX)(R9*1)
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MOVOU X3, -16(AX)(R9*1)
|
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MOVQ SI, AX
|
|
|
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emit_literal_done_match_emit_encodeSnappyBetterBlockAsm8B:
|
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ADDL R12, CX
|
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ADDL $0x04, R12
|
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MOVL CX, 12(SP)
|
|
|
|
// emitCopy
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two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm8B:
|
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CMPL R12, $0x40
|
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JLE two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm8B
|
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MOVB $0xee, (AX)
|
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MOVW R8, 1(AX)
|
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LEAL -60(R12), R12
|
|
ADDQ $0x03, AX
|
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JMP two_byte_offset_match_nolit_encodeSnappyBetterBlockAsm8B
|
|
|
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two_byte_offset_short_match_nolit_encodeSnappyBetterBlockAsm8B:
|
|
CMPL R12, $0x0c
|
|
JGE emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm8B
|
|
MOVB $0x01, BL
|
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LEAL -16(BX)(R12*4), R12
|
|
MOVB R8, 1(AX)
|
|
SHRL $0x08, R8
|
|
SHLL $0x05, R8
|
|
ORL R8, R12
|
|
MOVB R12, (AX)
|
|
ADDQ $0x02, AX
|
|
JMP match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm8B
|
|
|
|
emit_copy_three_match_nolit_encodeSnappyBetterBlockAsm8B:
|
|
MOVB $0x02, BL
|
|
LEAL -4(BX)(R12*4), R12
|
|
MOVB R12, (AX)
|
|
MOVW R8, 1(AX)
|
|
ADDQ $0x03, AX
|
|
|
|
match_nolit_emitcopy_end_encodeSnappyBetterBlockAsm8B:
|
|
CMPL CX, 8(SP)
|
|
JGE emit_remainder_encodeSnappyBetterBlockAsm8B
|
|
CMPQ AX, (SP)
|
|
JL match_nolit_dst_ok_encodeSnappyBetterBlockAsm8B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
match_nolit_dst_ok_encodeSnappyBetterBlockAsm8B:
|
|
MOVQ $0x0000cf1bbcdcbf9b, SI
|
|
MOVQ $0x9e3779b1, R8
|
|
INCL DI
|
|
MOVQ (DX)(DI*1), R9
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
MOVQ R9, R12
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
SHRQ $0x10, R12
|
|
LEAL 1(DI), R14
|
|
LEAL 2(DI), R15
|
|
MOVQ -2(DX)(CX*1), R9
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x36, R10
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x36, R13
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x38, R11
|
|
SHLQ $0x20, R12
|
|
IMULQ R8, R12
|
|
SHRQ $0x38, R12
|
|
MOVL DI, 24(SP)(R10*4)
|
|
MOVL R14, 24(SP)(R13*4)
|
|
MOVL R14, 4120(SP)(R11*4)
|
|
MOVL R15, 4120(SP)(R12*4)
|
|
MOVQ R9, R10
|
|
MOVQ R9, R11
|
|
SHRQ $0x08, R11
|
|
MOVQ R11, R13
|
|
LEAL -2(CX), R9
|
|
LEAL -1(CX), DI
|
|
SHLQ $0x10, R10
|
|
IMULQ SI, R10
|
|
SHRQ $0x36, R10
|
|
SHLQ $0x20, R11
|
|
IMULQ R8, R11
|
|
SHRQ $0x38, R11
|
|
SHLQ $0x10, R13
|
|
IMULQ SI, R13
|
|
SHRQ $0x36, R13
|
|
MOVL R9, 24(SP)(R10*4)
|
|
MOVL DI, 4120(SP)(R11*4)
|
|
MOVL DI, 24(SP)(R13*4)
|
|
JMP search_loop_encodeSnappyBetterBlockAsm8B
|
|
|
|
emit_remainder_encodeSnappyBetterBlockAsm8B:
|
|
MOVQ src_len+32(FP), CX
|
|
SUBL 12(SP), CX
|
|
LEAQ 3(AX)(CX*1), CX
|
|
CMPQ CX, (SP)
|
|
JL emit_remainder_ok_encodeSnappyBetterBlockAsm8B
|
|
MOVQ $0x00000000, ret+48(FP)
|
|
RET
|
|
|
|
emit_remainder_ok_encodeSnappyBetterBlockAsm8B:
|
|
MOVQ src_len+32(FP), CX
|
|
MOVL 12(SP), BX
|
|
CMPL BX, CX
|
|
JEQ emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm8B
|
|
MOVL CX, SI
|
|
MOVL CX, 12(SP)
|
|
LEAQ (DX)(BX*1), CX
|
|
SUBL BX, SI
|
|
LEAL -1(SI), DX
|
|
CMPL DX, $0x3c
|
|
JLT one_byte_emit_remainder_encodeSnappyBetterBlockAsm8B
|
|
CMPL DX, $0x00000100
|
|
JLT two_bytes_emit_remainder_encodeSnappyBetterBlockAsm8B
|
|
MOVB $0xf4, (AX)
|
|
MOVW DX, 1(AX)
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8B
|
|
|
|
two_bytes_emit_remainder_encodeSnappyBetterBlockAsm8B:
|
|
MOVB $0xf0, (AX)
|
|
MOVB DL, 1(AX)
|
|
ADDQ $0x02, AX
|
|
CMPL DX, $0x40
|
|
JL memmove_emit_remainder_encodeSnappyBetterBlockAsm8B
|
|
JMP memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8B
|
|
|
|
one_byte_emit_remainder_encodeSnappyBetterBlockAsm8B:
|
|
SHLB $0x02, DL
|
|
MOVB DL, (AX)
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_emit_remainder_encodeSnappyBetterBlockAsm8B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveShort
|
|
CMPQ BX, $0x08
|
|
JLE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_8
|
|
CMPQ BX, $0x10
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_8through16
|
|
CMPQ BX, $0x20
|
|
JBE emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_17through32
|
|
JMP emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_33through64
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_8:
|
|
MOVQ (CX), SI
|
|
MOVQ SI, (AX)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(BX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(BX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(BX*1)
|
|
JMP memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm8B
|
|
|
|
emit_lit_memmove_emit_remainder_encodeSnappyBetterBlockAsm8B_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
|
|
memmove_end_copy_emit_remainder_encodeSnappyBetterBlockAsm8B:
|
|
MOVQ DX, AX
|
|
JMP emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm8B
|
|
|
|
memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8B:
|
|
LEAQ (AX)(SI*1), DX
|
|
MOVL SI, BX
|
|
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(BX*1), X2
|
|
MOVOU -16(CX)(BX*1), X3
|
|
MOVQ BX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8Blarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8Blarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ BX, R8
|
|
JAE emit_lit_memmove_long_emit_remainder_encodeSnappyBetterBlockAsm8Blarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(BX*1)
|
|
MOVOU X3, -16(AX)(BX*1)
|
|
MOVQ DX, AX
|
|
|
|
emit_literal_done_emit_remainder_encodeSnappyBetterBlockAsm8B:
|
|
MOVQ dst_base+0(FP), CX
|
|
SUBQ CX, AX
|
|
MOVQ AX, ret+48(FP)
|
|
RET
|
|
|
|
// func emitLiteral(dst []byte, lit []byte) int
|
|
// Requires: SSE2
|
|
TEXT ·emitLiteral(SB), NOSPLIT, $0-56
|
|
MOVQ lit_len+32(FP), DX
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ lit_base+24(FP), CX
|
|
TESTQ DX, DX
|
|
JZ emit_literal_end_standalone_skip
|
|
MOVL DX, BX
|
|
LEAL -1(DX), SI
|
|
CMPL SI, $0x3c
|
|
JLT one_byte_standalone
|
|
CMPL SI, $0x00000100
|
|
JLT two_bytes_standalone
|
|
CMPL SI, $0x00010000
|
|
JLT three_bytes_standalone
|
|
CMPL SI, $0x01000000
|
|
JLT four_bytes_standalone
|
|
MOVB $0xfc, (AX)
|
|
MOVL SI, 1(AX)
|
|
ADDQ $0x05, BX
|
|
ADDQ $0x05, AX
|
|
JMP memmove_long_standalone
|
|
|
|
four_bytes_standalone:
|
|
MOVL SI, DI
|
|
SHRL $0x10, DI
|
|
MOVB $0xf8, (AX)
|
|
MOVW SI, 1(AX)
|
|
MOVB DI, 3(AX)
|
|
ADDQ $0x04, BX
|
|
ADDQ $0x04, AX
|
|
JMP memmove_long_standalone
|
|
|
|
three_bytes_standalone:
|
|
MOVB $0xf4, (AX)
|
|
MOVW SI, 1(AX)
|
|
ADDQ $0x03, BX
|
|
ADDQ $0x03, AX
|
|
JMP memmove_long_standalone
|
|
|
|
two_bytes_standalone:
|
|
MOVB $0xf0, (AX)
|
|
MOVB SI, 1(AX)
|
|
ADDQ $0x02, BX
|
|
ADDQ $0x02, AX
|
|
CMPL SI, $0x40
|
|
JL memmove_standalone
|
|
JMP memmove_long_standalone
|
|
|
|
one_byte_standalone:
|
|
SHLB $0x02, SI
|
|
MOVB SI, (AX)
|
|
ADDQ $0x01, BX
|
|
ADDQ $0x01, AX
|
|
|
|
memmove_standalone:
|
|
// genMemMoveShort
|
|
CMPQ DX, $0x03
|
|
JB emit_lit_memmove_standalone_memmove_move_1or2
|
|
JE emit_lit_memmove_standalone_memmove_move_3
|
|
CMPQ DX, $0x08
|
|
JB emit_lit_memmove_standalone_memmove_move_4through7
|
|
CMPQ DX, $0x10
|
|
JBE emit_lit_memmove_standalone_memmove_move_8through16
|
|
CMPQ DX, $0x20
|
|
JBE emit_lit_memmove_standalone_memmove_move_17through32
|
|
JMP emit_lit_memmove_standalone_memmove_move_33through64
|
|
|
|
emit_lit_memmove_standalone_memmove_move_1or2:
|
|
MOVB (CX), SI
|
|
MOVB -1(CX)(DX*1), CL
|
|
MOVB SI, (AX)
|
|
MOVB CL, -1(AX)(DX*1)
|
|
JMP emit_literal_end_standalone
|
|
|
|
emit_lit_memmove_standalone_memmove_move_3:
|
|
MOVW (CX), SI
|
|
MOVB 2(CX), CL
|
|
MOVW SI, (AX)
|
|
MOVB CL, 2(AX)
|
|
JMP emit_literal_end_standalone
|
|
|
|
emit_lit_memmove_standalone_memmove_move_4through7:
|
|
MOVL (CX), SI
|
|
MOVL -4(CX)(DX*1), CX
|
|
MOVL SI, (AX)
|
|
MOVL CX, -4(AX)(DX*1)
|
|
JMP emit_literal_end_standalone
|
|
|
|
emit_lit_memmove_standalone_memmove_move_8through16:
|
|
MOVQ (CX), SI
|
|
MOVQ -8(CX)(DX*1), CX
|
|
MOVQ SI, (AX)
|
|
MOVQ CX, -8(AX)(DX*1)
|
|
JMP emit_literal_end_standalone
|
|
|
|
emit_lit_memmove_standalone_memmove_move_17through32:
|
|
MOVOU (CX), X0
|
|
MOVOU -16(CX)(DX*1), X1
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, -16(AX)(DX*1)
|
|
JMP emit_literal_end_standalone
|
|
|
|
emit_lit_memmove_standalone_memmove_move_33through64:
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(DX*1), X2
|
|
MOVOU -16(CX)(DX*1), X3
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(DX*1)
|
|
MOVOU X3, -16(AX)(DX*1)
|
|
JMP emit_literal_end_standalone
|
|
JMP emit_literal_end_standalone
|
|
|
|
memmove_long_standalone:
|
|
// genMemMoveLong
|
|
MOVOU (CX), X0
|
|
MOVOU 16(CX), X1
|
|
MOVOU -32(CX)(DX*1), X2
|
|
MOVOU -16(CX)(DX*1), X3
|
|
MOVQ DX, DI
|
|
SHRQ $0x05, DI
|
|
MOVQ AX, SI
|
|
ANDL $0x0000001f, SI
|
|
MOVQ $0x00000040, R8
|
|
SUBQ SI, R8
|
|
DECQ DI
|
|
JA emit_lit_memmove_long_standalonelarge_forward_sse_loop_32
|
|
LEAQ -32(CX)(R8*1), SI
|
|
LEAQ -32(AX)(R8*1), R9
|
|
|
|
emit_lit_memmove_long_standalonelarge_big_loop_back:
|
|
MOVOU (SI), X4
|
|
MOVOU 16(SI), X5
|
|
MOVOA X4, (R9)
|
|
MOVOA X5, 16(R9)
|
|
ADDQ $0x20, R9
|
|
ADDQ $0x20, SI
|
|
ADDQ $0x20, R8
|
|
DECQ DI
|
|
JNA emit_lit_memmove_long_standalonelarge_big_loop_back
|
|
|
|
emit_lit_memmove_long_standalonelarge_forward_sse_loop_32:
|
|
MOVOU -32(CX)(R8*1), X4
|
|
MOVOU -16(CX)(R8*1), X5
|
|
MOVOA X4, -32(AX)(R8*1)
|
|
MOVOA X5, -16(AX)(R8*1)
|
|
ADDQ $0x20, R8
|
|
CMPQ DX, R8
|
|
JAE emit_lit_memmove_long_standalonelarge_forward_sse_loop_32
|
|
MOVOU X0, (AX)
|
|
MOVOU X1, 16(AX)
|
|
MOVOU X2, -32(AX)(DX*1)
|
|
MOVOU X3, -16(AX)(DX*1)
|
|
JMP emit_literal_end_standalone
|
|
JMP emit_literal_end_standalone
|
|
|
|
emit_literal_end_standalone_skip:
|
|
XORQ BX, BX
|
|
|
|
emit_literal_end_standalone:
|
|
MOVQ BX, ret+48(FP)
|
|
RET
|
|
|
|
// func emitRepeat(dst []byte, offset int, length int) int
|
|
TEXT ·emitRepeat(SB), NOSPLIT, $0-48
|
|
XORQ BX, BX
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ offset+24(FP), CX
|
|
MOVQ length+32(FP), DX
|
|
|
|
// emitRepeat
|
|
emit_repeat_again_standalone:
|
|
MOVL DX, SI
|
|
LEAL -4(DX), DX
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_standalone
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_standalone
|
|
CMPL CX, $0x00000800
|
|
JLT repeat_two_offset_standalone
|
|
|
|
cant_repeat_two_offset_standalone:
|
|
CMPL DX, $0x00000104
|
|
JLT repeat_three_standalone
|
|
CMPL DX, $0x00010100
|
|
JLT repeat_four_standalone
|
|
CMPL DX, $0x0100ffff
|
|
JLT repeat_five_standalone
|
|
LEAL -16842747(DX), DX
|
|
MOVW $0x001d, (AX)
|
|
MOVW $0xfffb, 2(AX)
|
|
MOVB $0xff, 4(AX)
|
|
ADDQ $0x05, AX
|
|
ADDQ $0x05, BX
|
|
JMP emit_repeat_again_standalone
|
|
|
|
repeat_five_standalone:
|
|
LEAL -65536(DX), DX
|
|
MOVL DX, CX
|
|
MOVW $0x001d, (AX)
|
|
MOVW DX, 2(AX)
|
|
SARL $0x10, CX
|
|
MOVB CL, 4(AX)
|
|
ADDQ $0x05, BX
|
|
ADDQ $0x05, AX
|
|
JMP gen_emit_repeat_end
|
|
|
|
repeat_four_standalone:
|
|
LEAL -256(DX), DX
|
|
MOVW $0x0019, (AX)
|
|
MOVW DX, 2(AX)
|
|
ADDQ $0x04, BX
|
|
ADDQ $0x04, AX
|
|
JMP gen_emit_repeat_end
|
|
|
|
repeat_three_standalone:
|
|
LEAL -4(DX), DX
|
|
MOVW $0x0015, (AX)
|
|
MOVB DL, 2(AX)
|
|
ADDQ $0x03, BX
|
|
ADDQ $0x03, AX
|
|
JMP gen_emit_repeat_end
|
|
|
|
repeat_two_standalone:
|
|
SHLL $0x02, DX
|
|
ORL $0x01, DX
|
|
MOVW DX, (AX)
|
|
ADDQ $0x02, BX
|
|
ADDQ $0x02, AX
|
|
JMP gen_emit_repeat_end
|
|
|
|
repeat_two_offset_standalone:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(DX*4), DX
|
|
MOVB CL, 1(AX)
|
|
SARL $0x08, CX
|
|
SHLL $0x05, CX
|
|
ORL CX, DX
|
|
MOVB DL, (AX)
|
|
ADDQ $0x02, BX
|
|
ADDQ $0x02, AX
|
|
|
|
gen_emit_repeat_end:
|
|
MOVQ BX, ret+40(FP)
|
|
RET
|
|
|
|
// func emitCopy(dst []byte, offset int, length int) int
|
|
TEXT ·emitCopy(SB), NOSPLIT, $0-48
|
|
XORQ BX, BX
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ offset+24(FP), CX
|
|
MOVQ length+32(FP), DX
|
|
|
|
// emitCopy
|
|
CMPL CX, $0x00010000
|
|
JL two_byte_offset_standalone
|
|
|
|
four_bytes_loop_back_standalone:
|
|
CMPL DX, $0x40
|
|
JLE four_bytes_remain_standalone
|
|
MOVB $0xff, (AX)
|
|
MOVL CX, 1(AX)
|
|
LEAL -64(DX), DX
|
|
ADDQ $0x05, BX
|
|
ADDQ $0x05, AX
|
|
CMPL DX, $0x04
|
|
JL four_bytes_remain_standalone
|
|
|
|
// emitRepeat
|
|
emit_repeat_again_standalone_emit_copy:
|
|
MOVL DX, SI
|
|
LEAL -4(DX), DX
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_standalone_emit_copy
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_standalone_emit_copy
|
|
CMPL CX, $0x00000800
|
|
JLT repeat_two_offset_standalone_emit_copy
|
|
|
|
cant_repeat_two_offset_standalone_emit_copy:
|
|
CMPL DX, $0x00000104
|
|
JLT repeat_three_standalone_emit_copy
|
|
CMPL DX, $0x00010100
|
|
JLT repeat_four_standalone_emit_copy
|
|
CMPL DX, $0x0100ffff
|
|
JLT repeat_five_standalone_emit_copy
|
|
LEAL -16842747(DX), DX
|
|
MOVW $0x001d, (AX)
|
|
MOVW $0xfffb, 2(AX)
|
|
MOVB $0xff, 4(AX)
|
|
ADDQ $0x05, AX
|
|
ADDQ $0x05, BX
|
|
JMP emit_repeat_again_standalone_emit_copy
|
|
|
|
repeat_five_standalone_emit_copy:
|
|
LEAL -65536(DX), DX
|
|
MOVL DX, CX
|
|
MOVW $0x001d, (AX)
|
|
MOVW DX, 2(AX)
|
|
SARL $0x10, CX
|
|
MOVB CL, 4(AX)
|
|
ADDQ $0x05, BX
|
|
ADDQ $0x05, AX
|
|
JMP gen_emit_copy_end
|
|
|
|
repeat_four_standalone_emit_copy:
|
|
LEAL -256(DX), DX
|
|
MOVW $0x0019, (AX)
|
|
MOVW DX, 2(AX)
|
|
ADDQ $0x04, BX
|
|
ADDQ $0x04, AX
|
|
JMP gen_emit_copy_end
|
|
|
|
repeat_three_standalone_emit_copy:
|
|
LEAL -4(DX), DX
|
|
MOVW $0x0015, (AX)
|
|
MOVB DL, 2(AX)
|
|
ADDQ $0x03, BX
|
|
ADDQ $0x03, AX
|
|
JMP gen_emit_copy_end
|
|
|
|
repeat_two_standalone_emit_copy:
|
|
SHLL $0x02, DX
|
|
ORL $0x01, DX
|
|
MOVW DX, (AX)
|
|
ADDQ $0x02, BX
|
|
ADDQ $0x02, AX
|
|
JMP gen_emit_copy_end
|
|
|
|
repeat_two_offset_standalone_emit_copy:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(DX*4), DX
|
|
MOVB CL, 1(AX)
|
|
SARL $0x08, CX
|
|
SHLL $0x05, CX
|
|
ORL CX, DX
|
|
MOVB DL, (AX)
|
|
ADDQ $0x02, BX
|
|
ADDQ $0x02, AX
|
|
JMP gen_emit_copy_end
|
|
JMP four_bytes_loop_back_standalone
|
|
|
|
four_bytes_remain_standalone:
|
|
TESTL DX, DX
|
|
JZ gen_emit_copy_end
|
|
MOVB $0x03, SI
|
|
LEAL -4(SI)(DX*4), DX
|
|
MOVB DL, (AX)
|
|
MOVL CX, 1(AX)
|
|
ADDQ $0x05, BX
|
|
ADDQ $0x05, AX
|
|
JMP gen_emit_copy_end
|
|
|
|
two_byte_offset_standalone:
|
|
CMPL DX, $0x40
|
|
JLE two_byte_offset_short_standalone
|
|
MOVB $0xee, (AX)
|
|
MOVW CX, 1(AX)
|
|
LEAL -60(DX), DX
|
|
ADDQ $0x03, AX
|
|
ADDQ $0x03, BX
|
|
|
|
// emitRepeat
|
|
emit_repeat_again_standalone_emit_copy_short:
|
|
MOVL DX, SI
|
|
LEAL -4(DX), DX
|
|
CMPL SI, $0x08
|
|
JLE repeat_two_standalone_emit_copy_short
|
|
CMPL SI, $0x0c
|
|
JGE cant_repeat_two_offset_standalone_emit_copy_short
|
|
CMPL CX, $0x00000800
|
|
JLT repeat_two_offset_standalone_emit_copy_short
|
|
|
|
cant_repeat_two_offset_standalone_emit_copy_short:
|
|
CMPL DX, $0x00000104
|
|
JLT repeat_three_standalone_emit_copy_short
|
|
CMPL DX, $0x00010100
|
|
JLT repeat_four_standalone_emit_copy_short
|
|
CMPL DX, $0x0100ffff
|
|
JLT repeat_five_standalone_emit_copy_short
|
|
LEAL -16842747(DX), DX
|
|
MOVW $0x001d, (AX)
|
|
MOVW $0xfffb, 2(AX)
|
|
MOVB $0xff, 4(AX)
|
|
ADDQ $0x05, AX
|
|
ADDQ $0x05, BX
|
|
JMP emit_repeat_again_standalone_emit_copy_short
|
|
|
|
repeat_five_standalone_emit_copy_short:
|
|
LEAL -65536(DX), DX
|
|
MOVL DX, CX
|
|
MOVW $0x001d, (AX)
|
|
MOVW DX, 2(AX)
|
|
SARL $0x10, CX
|
|
MOVB CL, 4(AX)
|
|
ADDQ $0x05, BX
|
|
ADDQ $0x05, AX
|
|
JMP gen_emit_copy_end
|
|
|
|
repeat_four_standalone_emit_copy_short:
|
|
LEAL -256(DX), DX
|
|
MOVW $0x0019, (AX)
|
|
MOVW DX, 2(AX)
|
|
ADDQ $0x04, BX
|
|
ADDQ $0x04, AX
|
|
JMP gen_emit_copy_end
|
|
|
|
repeat_three_standalone_emit_copy_short:
|
|
LEAL -4(DX), DX
|
|
MOVW $0x0015, (AX)
|
|
MOVB DL, 2(AX)
|
|
ADDQ $0x03, BX
|
|
ADDQ $0x03, AX
|
|
JMP gen_emit_copy_end
|
|
|
|
repeat_two_standalone_emit_copy_short:
|
|
SHLL $0x02, DX
|
|
ORL $0x01, DX
|
|
MOVW DX, (AX)
|
|
ADDQ $0x02, BX
|
|
ADDQ $0x02, AX
|
|
JMP gen_emit_copy_end
|
|
|
|
repeat_two_offset_standalone_emit_copy_short:
|
|
XORQ SI, SI
|
|
LEAL 1(SI)(DX*4), DX
|
|
MOVB CL, 1(AX)
|
|
SARL $0x08, CX
|
|
SHLL $0x05, CX
|
|
ORL CX, DX
|
|
MOVB DL, (AX)
|
|
ADDQ $0x02, BX
|
|
ADDQ $0x02, AX
|
|
JMP gen_emit_copy_end
|
|
JMP two_byte_offset_standalone
|
|
|
|
two_byte_offset_short_standalone:
|
|
CMPL DX, $0x0c
|
|
JGE emit_copy_three_standalone
|
|
CMPL CX, $0x00000800
|
|
JGE emit_copy_three_standalone
|
|
MOVB $0x01, SI
|
|
LEAL -16(SI)(DX*4), DX
|
|
MOVB CL, 1(AX)
|
|
SHRL $0x08, CX
|
|
SHLL $0x05, CX
|
|
ORL CX, DX
|
|
MOVB DL, (AX)
|
|
ADDQ $0x02, BX
|
|
ADDQ $0x02, AX
|
|
JMP gen_emit_copy_end
|
|
|
|
emit_copy_three_standalone:
|
|
MOVB $0x02, SI
|
|
LEAL -4(SI)(DX*4), DX
|
|
MOVB DL, (AX)
|
|
MOVW CX, 1(AX)
|
|
ADDQ $0x03, BX
|
|
ADDQ $0x03, AX
|
|
|
|
gen_emit_copy_end:
|
|
MOVQ BX, ret+40(FP)
|
|
RET
|
|
|
|
// func emitCopyNoRepeat(dst []byte, offset int, length int) int
|
|
TEXT ·emitCopyNoRepeat(SB), NOSPLIT, $0-48
|
|
XORQ BX, BX
|
|
MOVQ dst_base+0(FP), AX
|
|
MOVQ offset+24(FP), CX
|
|
MOVQ length+32(FP), DX
|
|
|
|
// emitCopy
|
|
CMPL CX, $0x00010000
|
|
JL two_byte_offset_standalone_snappy
|
|
|
|
four_bytes_loop_back_standalone_snappy:
|
|
CMPL DX, $0x40
|
|
JLE four_bytes_remain_standalone_snappy
|
|
MOVB $0xff, (AX)
|
|
MOVL CX, 1(AX)
|
|
LEAL -64(DX), DX
|
|
ADDQ $0x05, BX
|
|
ADDQ $0x05, AX
|
|
CMPL DX, $0x04
|
|
JL four_bytes_remain_standalone_snappy
|
|
JMP four_bytes_loop_back_standalone_snappy
|
|
|
|
four_bytes_remain_standalone_snappy:
|
|
TESTL DX, DX
|
|
JZ gen_emit_copy_end_snappy
|
|
MOVB $0x03, SI
|
|
LEAL -4(SI)(DX*4), DX
|
|
MOVB DL, (AX)
|
|
MOVL CX, 1(AX)
|
|
ADDQ $0x05, BX
|
|
ADDQ $0x05, AX
|
|
JMP gen_emit_copy_end_snappy
|
|
|
|
two_byte_offset_standalone_snappy:
|
|
CMPL DX, $0x40
|
|
JLE two_byte_offset_short_standalone_snappy
|
|
MOVB $0xee, (AX)
|
|
MOVW CX, 1(AX)
|
|
LEAL -60(DX), DX
|
|
ADDQ $0x03, AX
|
|
ADDQ $0x03, BX
|
|
JMP two_byte_offset_standalone_snappy
|
|
|
|
two_byte_offset_short_standalone_snappy:
|
|
CMPL DX, $0x0c
|
|
JGE emit_copy_three_standalone_snappy
|
|
CMPL CX, $0x00000800
|
|
JGE emit_copy_three_standalone_snappy
|
|
MOVB $0x01, SI
|
|
LEAL -16(SI)(DX*4), DX
|
|
MOVB CL, 1(AX)
|
|
SHRL $0x08, CX
|
|
SHLL $0x05, CX
|
|
ORL CX, DX
|
|
MOVB DL, (AX)
|
|
ADDQ $0x02, BX
|
|
ADDQ $0x02, AX
|
|
JMP gen_emit_copy_end_snappy
|
|
|
|
emit_copy_three_standalone_snappy:
|
|
MOVB $0x02, SI
|
|
LEAL -4(SI)(DX*4), DX
|
|
MOVB DL, (AX)
|
|
MOVW CX, 1(AX)
|
|
ADDQ $0x03, BX
|
|
ADDQ $0x03, AX
|
|
|
|
gen_emit_copy_end_snappy:
|
|
MOVQ BX, ret+40(FP)
|
|
RET
|
|
|
|
// func matchLen(a []byte, b []byte) int
|
|
// Requires: BMI
|
|
TEXT ·matchLen(SB), NOSPLIT, $0-56
|
|
MOVQ a_base+0(FP), AX
|
|
MOVQ b_base+24(FP), CX
|
|
MOVQ a_len+8(FP), DX
|
|
|
|
// matchLen
|
|
XORL SI, SI
|
|
CMPL DX, $0x08
|
|
JL matchlen_match4_standalone
|
|
|
|
matchlen_loopback_standalone:
|
|
MOVQ (AX)(SI*1), BX
|
|
XORQ (CX)(SI*1), BX
|
|
TESTQ BX, BX
|
|
JZ matchlen_loop_standalone
|
|
|
|
#ifdef GOAMD64_v3
|
|
TZCNTQ BX, BX
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef GOAMD64_v4
|
|
TZCNTQ BX, BX
|
|
|
|
#define TZCNTQ_EMITTED 1
|
|
#endif
|
|
|
|
#ifdef TZCNTQ_EMITTED
|
|
#undef TZCNTQ_EMITTED
|
|
#else
|
|
BSFQ BX, BX
|
|
|
|
#endif
|
|
SARQ $0x03, BX
|
|
LEAL (SI)(BX*1), SI
|
|
JMP gen_match_len_end
|
|
|
|
matchlen_loop_standalone:
|
|
LEAL -8(DX), DX
|
|
LEAL 8(SI), SI
|
|
CMPL DX, $0x08
|
|
JGE matchlen_loopback_standalone
|
|
JZ gen_match_len_end
|
|
|
|
matchlen_match4_standalone:
|
|
CMPL DX, $0x04
|
|
JL matchlen_match2_standalone
|
|
MOVL (AX)(SI*1), BX
|
|
CMPL (CX)(SI*1), BX
|
|
JNE matchlen_match2_standalone
|
|
SUBL $0x04, DX
|
|
LEAL 4(SI), SI
|
|
|
|
matchlen_match2_standalone:
|
|
CMPL DX, $0x02
|
|
JL matchlen_match1_standalone
|
|
MOVW (AX)(SI*1), BX
|
|
CMPW (CX)(SI*1), BX
|
|
JNE matchlen_match1_standalone
|
|
SUBL $0x02, DX
|
|
LEAL 2(SI), SI
|
|
|
|
matchlen_match1_standalone:
|
|
CMPL DX, $0x01
|
|
JL gen_match_len_end
|
|
MOVB (AX)(SI*1), BL
|
|
CMPB (CX)(SI*1), BL
|
|
JNE gen_match_len_end
|
|
LEAL 1(SI), SI
|
|
|
|
gen_match_len_end:
|
|
MOVQ SI, ret+48(FP)
|
|
RET
|