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block16_amd64.s
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block16_amd64.s
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// Copyright (c) 2020 MinIO Inc. All rights reserved.
// Use of this source code is governed by a license that can be
// found in the LICENSE file.
//+build !noasm,!appengine,gc
// This is the AVX512 implementation of the MD5 block function (16-way parallel)
#define prep(index) \
KMOVQ kmask, ktmp \
VPGATHERDD index*4(base)(ptrs*1), ktmp, mem
#define ROUND1(a, b, c, d, index, const, shift) \
VPXORQ c, tmp, tmp \
VPADDD 64*const(consts), a, a \
VPADDD mem, a, a \
VPTERNLOGD $0x6C, b, d, tmp \
prep(index) \
VPADDD tmp, a, a \
VPROLD $shift, a, a \
VMOVAPD c, tmp \
VPADDD b, a, a
#define ROUND1noload(a, b, c, d, const, shift) \
VPXORQ c, tmp, tmp \
VPADDD 64*const(consts), a, a \
VPADDD mem, a, a \
VPTERNLOGD $0x6C, b, d, tmp \
VPADDD tmp, a, a \
VPROLD $shift, a, a \
VMOVAPD c, tmp \
VPADDD b, a, a
#define ROUND2(a, b, c, d, zreg, const, shift) \
VPADDD 64*const(consts), a, a \
VPADDD zreg, a, a \
VANDNPD c, tmp, tmp \
VPTERNLOGD $0xEC, b, tmp, tmp2 \
VMOVAPD c, tmp \
VPADDD tmp2, a, a \
VMOVAPD c, tmp2 \
VPROLD $shift, a, a \
VPADDD b, a, a
#define ROUND3(a, b, c, d, zreg, const, shift) \
VPADDD 64*const(consts), a, a \
VPADDD zreg, a, a \
VPTERNLOGD $0x96, b, d, tmp \
VPADDD tmp, a, a \
VPROLD $shift, a, a \
VMOVAPD b, tmp \
VPADDD b, a, a
#define ROUND4(a, b, c, d, zreg, const, shift) \
VPADDD 64*const(consts), a, a \
VPADDD zreg, a, a \
VPTERNLOGD $0x36, b, c, tmp \
VPADDD tmp, a, a \
VPROLD $shift, a, a \
VPXORQ c, ones, tmp \
VPADDD b, a, a
TEXT ·block16(SB), 4, $0-40
MOVQ state+0(FP), BX
MOVQ base+8(FP), SI
MOVQ ptrs+16(FP), AX
KMOVQ mask+24(FP), K1
MOVQ n+32(FP), DX
MOVQ ·avx512md5consts+0(SB), DI
#define a Z0
#define b Z1
#define c Z2
#define d Z3
#define sa Z4
#define sb Z5
#define sc Z6
#define sd Z7
#define tmp Z8
#define tmp2 Z9
#define ptrs Z10
#define ones Z12
#define mem Z15
#define kmask K1
#define ktmp K3
// ----------------------------------------------------------
// Registers Z16 through to Z31 are used for caching purposes
// ----------------------------------------------------------
#define dig BX
#define count DX
#define base SI
#define consts DI
// load digest into state registers
VMOVUPD (dig), a
VMOVUPD 0x40(dig), b
VMOVUPD 0x80(dig), c
VMOVUPD 0xc0(dig), d
// load source pointers
VMOVUPD 0x00(AX), ptrs
MOVQ $-1, AX
VPBROADCASTQ AX, ones
loop:
VMOVAPD a, sa
VMOVAPD b, sb
VMOVAPD c, sc
VMOVAPD d, sd
prep(0)
VMOVAPD d, tmp
VMOVAPD mem, Z16
ROUND1(a,b,c,d, 1,0x00, 7)
VMOVAPD mem, Z17
ROUND1(d,a,b,c, 2,0x01,12)
VMOVAPD mem, Z18
ROUND1(c,d,a,b, 3,0x02,17)
VMOVAPD mem, Z19
ROUND1(b,c,d,a, 4,0x03,22)
VMOVAPD mem, Z20
ROUND1(a,b,c,d, 5,0x04, 7)
VMOVAPD mem, Z21
ROUND1(d,a,b,c, 6,0x05,12)
VMOVAPD mem, Z22
ROUND1(c,d,a,b, 7,0x06,17)
VMOVAPD mem, Z23
ROUND1(b,c,d,a, 8,0x07,22)
VMOVAPD mem, Z24
ROUND1(a,b,c,d, 9,0x08, 7)
VMOVAPD mem, Z25
ROUND1(d,a,b,c,10,0x09,12)
VMOVAPD mem, Z26
ROUND1(c,d,a,b,11,0x0a,17)
VMOVAPD mem, Z27
ROUND1(b,c,d,a,12,0x0b,22)
VMOVAPD mem, Z28
ROUND1(a,b,c,d,13,0x0c, 7)
VMOVAPD mem, Z29
ROUND1(d,a,b,c,14,0x0d,12)
VMOVAPD mem, Z30
ROUND1(c,d,a,b,15,0x0e,17)
VMOVAPD mem, Z31
ROUND1noload(b,c,d,a, 0x0f,22)
VMOVAPD d, tmp
VMOVAPD d, tmp2
ROUND2(a,b,c,d, Z17,0x10, 5)
ROUND2(d,a,b,c, Z22,0x11, 9)
ROUND2(c,d,a,b, Z27,0x12,14)
ROUND2(b,c,d,a, Z16,0x13,20)
ROUND2(a,b,c,d, Z21,0x14, 5)
ROUND2(d,a,b,c, Z26,0x15, 9)
ROUND2(c,d,a,b, Z31,0x16,14)
ROUND2(b,c,d,a, Z20,0x17,20)
ROUND2(a,b,c,d, Z25,0x18, 5)
ROUND2(d,a,b,c, Z30,0x19, 9)
ROUND2(c,d,a,b, Z19,0x1a,14)
ROUND2(b,c,d,a, Z24,0x1b,20)
ROUND2(a,b,c,d, Z29,0x1c, 5)
ROUND2(d,a,b,c, Z18,0x1d, 9)
ROUND2(c,d,a,b, Z23,0x1e,14)
ROUND2(b,c,d,a, Z28,0x1f,20)
VMOVAPD c, tmp
ROUND3(a,b,c,d, Z21,0x20, 4)
ROUND3(d,a,b,c, Z24,0x21,11)
ROUND3(c,d,a,b, Z27,0x22,16)
ROUND3(b,c,d,a, Z30,0x23,23)
ROUND3(a,b,c,d, Z17,0x24, 4)
ROUND3(d,a,b,c, Z20,0x25,11)
ROUND3(c,d,a,b, Z23,0x26,16)
ROUND3(b,c,d,a, Z26,0x27,23)
ROUND3(a,b,c,d, Z29,0x28, 4)
ROUND3(d,a,b,c, Z16,0x29,11)
ROUND3(c,d,a,b, Z19,0x2a,16)
ROUND3(b,c,d,a, Z22,0x2b,23)
ROUND3(a,b,c,d, Z25,0x2c, 4)
ROUND3(d,a,b,c, Z28,0x2d,11)
ROUND3(c,d,a,b, Z31,0x2e,16)
ROUND3(b,c,d,a, Z18,0x2f,23)
VPXORQ d, ones, tmp
ROUND4(a,b,c,d, Z16,0x30, 6)
ROUND4(d,a,b,c, Z23,0x31,10)
ROUND4(c,d,a,b, Z30,0x32,15)
ROUND4(b,c,d,a, Z21,0x33,21)
ROUND4(a,b,c,d, Z28,0x34, 6)
ROUND4(d,a,b,c, Z19,0x35,10)
ROUND4(c,d,a,b, Z26,0x36,15)
ROUND4(b,c,d,a, Z17,0x37,21)
ROUND4(a,b,c,d, Z24,0x38, 6)
ROUND4(d,a,b,c, Z31,0x39,10)
ROUND4(c,d,a,b, Z22,0x3a,15)
ROUND4(b,c,d,a, Z29,0x3b,21)
ROUND4(a,b,c,d, Z20,0x3c, 6)
ROUND4(d,a,b,c, Z27,0x3d,10)
ROUND4(c,d,a,b, Z18,0x3e,15)
ROUND4(b,c,d,a, Z25,0x3f,21)
VPADDD sa, a, a
VPADDD sb, b, b
VPADDD sc, c, c
VPADDD sd, d, d
LEAQ 64(base), base
SUBQ $64, count
JNE loop
VMOVUPD a, (dig)
VMOVUPD b, 0x40(dig)
VMOVUPD c, 0x80(dig)
VMOVUPD d, 0xc0(dig)
VZEROUPPER
RET