mirror of
https://github.com/42wim/matterbridge.git
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282 lines
6.8 KiB
ArmAsm
282 lines
6.8 KiB
ArmAsm
//+build !noasm,!appengine,gc
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// Copyright (c) 2018 Igneous Systems
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// MIT License
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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// Copyright (c) 2020 MinIO Inc. All rights reserved.
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// Use of this source code is governed by a license that can be
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// found in the LICENSE file.
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// This is the AVX2 implementation of the MD5 block function (8-way parallel)
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// block8(state *uint64, base uintptr, bufs *int32, cache *byte, n int)
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TEXT ·block8(SB), 4, $0-40
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MOVQ state+0(FP), BX
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MOVQ base+8(FP), SI
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MOVQ bufs+16(FP), AX
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MOVQ cache+24(FP), CX
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MOVQ n+32(FP), DX
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MOVQ ·avx256md5consts+0(SB), DI
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// Align cache (which is stack allocated by the compiler)
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// to a 256 bit boundary (ymm register alignment)
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// The cache8 type is deliberately oversized to permit this.
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ADDQ $31, CX
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ANDB $-32, CL
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#define a Y0
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#define b Y1
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#define c Y2
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#define d Y3
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#define sa Y4
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#define sb Y5
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#define sc Y6
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#define sd Y7
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#define tmp Y8
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#define tmp2 Y9
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#define mask Y10
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#define off Y11
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#define ones Y12
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#define rtmp1 Y13
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#define rtmp2 Y14
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#define mem Y15
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#define dig BX
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#define cache CX
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#define count DX
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#define base SI
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#define consts DI
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#define prepmask \
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VPXOR mask, mask, mask \
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VPCMPGTD mask, off, mask
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#define prep(index) \
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VMOVAPD mask, rtmp2 \
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VPGATHERDD rtmp2, index*4(base)(off*1), mem
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#define load(index) \
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VMOVAPD index*32(cache), mem
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#define store(index) \
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VMOVAPD mem, index*32(cache)
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#define roll(shift, a) \
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VPSLLD $shift, a, rtmp1 \
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VPSRLD $32-shift, a, a \
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VPOR rtmp1, a, a
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#define ROUND1(a, b, c, d, index, const, shift) \
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VPXOR c, tmp, tmp \
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VPADDD 32*const(consts), a, a \
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VPADDD mem, a, a \
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VPAND b, tmp, tmp \
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VPXOR d, tmp, tmp \
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prep(index) \
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VPADDD tmp, a, a \
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roll(shift,a) \
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VMOVAPD c, tmp \
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VPADDD b, a, a
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#define ROUND1load(a, b, c, d, index, const, shift) \
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VXORPD c, tmp, tmp \
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VPADDD 32*const(consts), a, a \
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VPADDD mem, a, a \
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VPAND b, tmp, tmp \
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VPXOR d, tmp, tmp \
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load(index) \
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VPADDD tmp, a, a \
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roll(shift,a) \
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VMOVAPD c, tmp \
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VPADDD b, a, a
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#define ROUND2(a, b, c, d, index, const, shift) \
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VPADDD 32*const(consts), a, a \
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VPADDD mem, a, a \
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VPAND b, tmp2, tmp2 \
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VANDNPD c, tmp, tmp \
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load(index) \
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VPOR tmp, tmp2, tmp2 \
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VMOVAPD c, tmp \
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VPADDD tmp2, a, a \
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VMOVAPD c, tmp2 \
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roll(shift,a) \
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VPADDD b, a, a
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#define ROUND3(a, b, c, d, index, const, shift) \
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VPADDD 32*const(consts), a, a \
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VPADDD mem, a, a \
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load(index) \
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VPXOR d, tmp, tmp \
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VPXOR b, tmp, tmp \
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VPADDD tmp, a, a \
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roll(shift,a) \
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VMOVAPD b, tmp \
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VPADDD b, a, a
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#define ROUND4(a, b, c, d, index, const, shift) \
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VPADDD 32*const(consts), a, a \
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VPADDD mem, a, a \
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VPOR b, tmp, tmp \
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VPXOR c, tmp, tmp \
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VPADDD tmp, a, a \
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load(index) \
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roll(shift,a) \
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VPXOR c, ones, tmp \
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VPADDD b, a, a
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// load digest into state registers
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VMOVUPD (dig), a
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VMOVUPD 32(dig), b
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VMOVUPD 64(dig), c
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VMOVUPD 96(dig), d
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// load source buffer offsets
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VMOVUPD (AX), off
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prepmask
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VPCMPEQD ones, ones, ones
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loop:
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VMOVAPD a, sa
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VMOVAPD b, sb
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VMOVAPD c, sc
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VMOVAPD d, sd
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prep(0)
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VMOVAPD d, tmp
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store(0)
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ROUND1(a,b,c,d, 1,0x00, 7)
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store(1)
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ROUND1(d,a,b,c, 2,0x01,12)
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store(2)
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ROUND1(c,d,a,b, 3,0x02,17)
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store(3)
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ROUND1(b,c,d,a, 4,0x03,22)
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store(4)
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ROUND1(a,b,c,d, 5,0x04, 7)
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store(5)
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ROUND1(d,a,b,c, 6,0x05,12)
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store(6)
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ROUND1(c,d,a,b, 7,0x06,17)
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store(7)
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ROUND1(b,c,d,a, 8,0x07,22)
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store(8)
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ROUND1(a,b,c,d, 9,0x08, 7)
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store(9)
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ROUND1(d,a,b,c,10,0x09,12)
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store(10)
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ROUND1(c,d,a,b,11,0x0a,17)
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store(11)
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ROUND1(b,c,d,a,12,0x0b,22)
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store(12)
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ROUND1(a,b,c,d,13,0x0c, 7)
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store(13)
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ROUND1(d,a,b,c,14,0x0d,12)
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store(14)
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ROUND1(c,d,a,b,15,0x0e,17)
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store(15)
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ROUND1load(b,c,d,a, 1,0x0f,22)
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VMOVAPD d, tmp
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VMOVAPD d, tmp2
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ROUND2(a,b,c,d, 6,0x10, 5)
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ROUND2(d,a,b,c,11,0x11, 9)
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ROUND2(c,d,a,b, 0,0x12,14)
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ROUND2(b,c,d,a, 5,0x13,20)
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ROUND2(a,b,c,d,10,0x14, 5)
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ROUND2(d,a,b,c,15,0x15, 9)
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ROUND2(c,d,a,b, 4,0x16,14)
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ROUND2(b,c,d,a, 9,0x17,20)
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ROUND2(a,b,c,d,14,0x18, 5)
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ROUND2(d,a,b,c, 3,0x19, 9)
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ROUND2(c,d,a,b, 8,0x1a,14)
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ROUND2(b,c,d,a,13,0x1b,20)
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ROUND2(a,b,c,d, 2,0x1c, 5)
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ROUND2(d,a,b,c, 7,0x1d, 9)
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ROUND2(c,d,a,b,12,0x1e,14)
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ROUND2(b,c,d,a, 0,0x1f,20)
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load(5)
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VMOVAPD c, tmp
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ROUND3(a,b,c,d, 8,0x20, 4)
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ROUND3(d,a,b,c,11,0x21,11)
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ROUND3(c,d,a,b,14,0x22,16)
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ROUND3(b,c,d,a, 1,0x23,23)
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ROUND3(a,b,c,d, 4,0x24, 4)
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ROUND3(d,a,b,c, 7,0x25,11)
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ROUND3(c,d,a,b,10,0x26,16)
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ROUND3(b,c,d,a,13,0x27,23)
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ROUND3(a,b,c,d, 0,0x28, 4)
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ROUND3(d,a,b,c, 3,0x29,11)
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ROUND3(c,d,a,b, 6,0x2a,16)
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ROUND3(b,c,d,a, 9,0x2b,23)
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ROUND3(a,b,c,d,12,0x2c, 4)
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ROUND3(d,a,b,c,15,0x2d,11)
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ROUND3(c,d,a,b, 2,0x2e,16)
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ROUND3(b,c,d,a, 0,0x2f,23)
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load(0)
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VPXOR d, ones, tmp
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ROUND4(a,b,c,d, 7,0x30, 6)
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ROUND4(d,a,b,c,14,0x31,10)
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ROUND4(c,d,a,b, 5,0x32,15)
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ROUND4(b,c,d,a,12,0x33,21)
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ROUND4(a,b,c,d, 3,0x34, 6)
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ROUND4(d,a,b,c,10,0x35,10)
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ROUND4(c,d,a,b, 1,0x36,15)
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ROUND4(b,c,d,a, 8,0x37,21)
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ROUND4(a,b,c,d,15,0x38, 6)
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ROUND4(d,a,b,c, 6,0x39,10)
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ROUND4(c,d,a,b,13,0x3a,15)
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ROUND4(b,c,d,a, 4,0x3b,21)
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ROUND4(a,b,c,d,11,0x3c, 6)
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ROUND4(d,a,b,c, 2,0x3d,10)
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ROUND4(c,d,a,b, 9,0x3e,15)
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ROUND4(b,c,d,a, 0,0x3f,21)
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VPADDD sa, a, a
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VPADDD sb, b, b
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VPADDD sc, c, c
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VPADDD sd, d, d
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LEAQ 64(base), base
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SUBQ $64, count
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JNE loop
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VMOVUPD a, (dig)
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VMOVUPD b, 32(dig)
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VMOVUPD c, 64(dig)
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VMOVUPD d, 96(dig)
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VZEROUPPER
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RET
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