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openssl/crypto/sha/asm/keccak1600-avx512vl.pl
Matt Caswell da1c088f59 Copyright year updates 
Reviewed-by: Richard Levitte <levitte@openssl.org>
Release: yes
2023-09-07 09:59:15 +01:00

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#!/usr/bin/env perl
# Copyright 2017-2023 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
#
# ====================================================================
# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
# project. The module is, however, dual licensed under OpenSSL and
# CRYPTOGAMS licenses depending on where you obtain it. For further
# details see http://www.openssl.org/~appro/cryptogams/.
# ====================================================================
#
# Keccak-1600 for AVX512VL.
#
# December 2017.
#
# This is an adaptation of AVX2 module that reuses register data
# layout, but utilizes new 256-bit AVX512VL instructions. See AVX2
# module for further information on layout.
#
########################################################################
# Numbers are cycles per processed byte out of large message.
#
# r=1088(*)
#
# Skylake-X 6.4/+47%
#
# (*) Corresponds to SHA3-256. Percentage after slash is improvement
# coefficient in comparison to scalar keccak1600-x86_64.pl.
# Digits in variables' names denote right-most coordinates:
my ($A00, # [0][0] [0][0] [0][0] [0][0] # %ymm0
$A01, # [0][4] [0][3] [0][2] [0][1] # %ymm1
$A20, # [3][0] [1][0] [4][0] [2][0] # %ymm2
$A31, # [2][4] [4][3] [1][2] [3][1] # %ymm3
$A21, # [3][4] [1][3] [4][2] [2][1] # %ymm4
$A41, # [1][4] [2][3] [3][2] [4][1] # %ymm5
$A11) = # [4][4] [3][3] [2][2] [1][1] # %ymm6
map("%ymm$_",(0..6));
# We also need to map the magic order into offsets within structure:
my @A_jagged = ([0,0], [1,0], [1,1], [1,2], [1,3], # [0][0..4]
[2,2], [6,0], [3,1], [4,2], [5,3], # [1][0..4]
[2,0], [4,0], [6,1], [5,2], [3,3], # [2][0..4]
[2,3], [3,0], [5,1], [6,2], [4,3], # [3][0..4]
[2,1], [5,0], [4,1], [3,2], [6,3]); # [4][0..4]
@A_jagged = map(8*($$_[0]*4+$$_[1]), @A_jagged); # ... and now linear
my @T = map("%ymm$_",(7..15));
my ($C14,$C00,$D00,$D14) = @T[5..8];
my ($R20,$R01,$R31,$R21,$R41,$R11) = map("%ymm$_",(16..21));
$code.=<<___;
.text
.type __KeccakF1600,\@function
.align 32
__KeccakF1600:
lea iotas(%rip),%r10
mov \$24,%eax
jmp .Loop_avx512vl
.align 32
.Loop_avx512vl:
######################################### Theta
vpshufd \$0b01001110,$A20,$C00
vpxor $A31,$A41,$C14
vpxor $A11,$A21,@T[2]
vpternlogq \$0x96,$A01,$T[2],$C14 # C[1..4]
vpxor $A20,$C00,$C00
vpermq \$0b01001110,$C00,@T[0]
vpermq \$0b10010011,$C14,@T[4]
vprolq \$1,$C14,@T[1] # ROL64(C[1..4],1)
vpermq \$0b00111001,@T[1],$D14
vpxor @T[4],@T[1],$D00
vpermq \$0b00000000,$D00,$D00 # D[0..0] = ROL64(C[1],1) ^ C[4]
vpternlogq \$0x96,@T[0],$A00,$C00 # C[0..0]
vprolq \$1,$C00,@T[1] # ROL64(C[0..0],1)
vpxor $D00,$A00,$A00 # ^= D[0..0]
vpblendd \$0b11000000,@T[1],$D14,$D14
vpblendd \$0b00000011,$C00,@T[4],@T[0]
######################################### Rho + Pi + pre-Chi shuffle
vpxor $D00,$A20,$A20 # ^= D[0..0] from Theta
vprolvq $R20,$A20,$A20
vpternlogq \$0x96,@T[0],$D14,$A31 # ^= D[1..4] from Theta
vprolvq $R31,$A31,$A31
vpternlogq \$0x96,@T[0],$D14,$A21 # ^= D[1..4] from Theta
vprolvq $R21,$A21,$A21
vpternlogq \$0x96,@T[0],$D14,$A41 # ^= D[1..4] from Theta
vprolvq $R41,$A41,$A41
vpermq \$0b10001101,$A20,@T[3] # $A20 -> future $A31
vpermq \$0b10001101,$A31,@T[4] # $A31 -> future $A21
vpternlogq \$0x96,@T[0],$D14,$A11 # ^= D[1..4] from Theta
vprolvq $R11,$A11,@T[1] # $A11 -> future $A01
vpermq \$0b00011011,$A21,@T[5] # $A21 -> future $A41
vpermq \$0b01110010,$A41,@T[6] # $A41 -> future $A11
vpternlogq \$0x96,@T[0],$D14,$A01 # ^= D[1..4] from Theta
vprolvq $R01,$A01,@T[2] # $A01 -> future $A20
######################################### Chi
vpblendd \$0b00001100,@T[6],@T[2],$A31 # [4][4] [2][0]
vpblendd \$0b00001100,@T[2],@T[4],@T[8] # [4][0] [2][1]
vpblendd \$0b00001100,@T[4],@T[3],$A41 # [4][2] [2][4]
vpblendd \$0b00001100,@T[3],@T[2],@T[7] # [4][3] [2][0]
vpblendd \$0b00110000,@T[4],$A31,$A31 # [1][3] [4][4] [2][0]
vpblendd \$0b00110000,@T[5],@T[8],@T[8] # [1][4] [4][0] [2][1]
vpblendd \$0b00110000,@T[2],$A41,$A41 # [1][0] [4][2] [2][4]
vpblendd \$0b00110000,@T[6],@T[7],@T[7] # [1][1] [4][3] [2][0]
vpblendd \$0b11000000,@T[5],$A31,$A31 # [3][2] [1][3] [4][4] [2][0]
vpblendd \$0b11000000,@T[6],@T[8],@T[8] # [3][3] [1][4] [4][0] [2][1]
vpblendd \$0b11000000,@T[6],$A41,$A41 # [3][3] [1][0] [4][2] [2][4]
vpblendd \$0b11000000,@T[4],@T[7],@T[7] # [3][4] [1][1] [4][3] [2][0]
vpternlogq \$0xC6,@T[8],@T[3],$A31 # [3][1] [1][2] [4][3] [2][4]
vpternlogq \$0xC6,@T[7],@T[5],$A41 # [3][2] [1][4] [4][1] [2][3]
vpsrldq \$8,@T[1],@T[0]
vpandn @T[0],@T[1],@T[0] # tgting [0][0] [0][0] [0][0] [0][0]
vpblendd \$0b00001100,@T[2],@T[5],$A11 # [4][0] [2][3]
vpblendd \$0b00001100,@T[5],@T[3],@T[8] # [4][1] [2][4]
vpblendd \$0b00110000,@T[3],$A11,$A11 # [1][2] [4][0] [2][3]
vpblendd \$0b00110000,@T[4],@T[8],@T[8] # [1][3] [4][1] [2][4]
vpblendd \$0b11000000,@T[4],$A11,$A11 # [3][4] [1][2] [4][0] [2][3]
vpblendd \$0b11000000,@T[2],@T[8],@T[8] # [3][0] [1][3] [4][1] [2][4]
vpternlogq \$0xC6,@T[8],@T[6],$A11 # [3][3] [1][1] [4][4] [2][2]
vpermq \$0b00011110,@T[1],$A21 # [0][1] [0][2] [0][4] [0][3]
vpblendd \$0b00110000,$A00,$A21,@T[8] # [0][1] [0][0] [0][4] [0][3]
vpermq \$0b00111001,@T[1],$A01 # [0][1] [0][4] [0][3] [0][2]
vpblendd \$0b11000000,$A00,$A01,$A01 # [0][0] [0][4] [0][3] [0][2]
vpblendd \$0b00001100,@T[5],@T[4],$A20 # [4][1] [2][1]
vpblendd \$0b00001100,@T[4],@T[6],@T[7] # [4][2] [2][2]
vpblendd \$0b00110000,@T[6],$A20,$A20 # [1][1] [4][1] [2][1]
vpblendd \$0b00110000,@T[3],@T[7],@T[7] # [1][2] [4][2] [2][2]
vpblendd \$0b11000000,@T[3],$A20,$A20 # [3][1] [1][1] [4][1] [2][1]
vpblendd \$0b11000000,@T[5],@T[7],@T[7] # [3][2] [1][2] [4][2] [2][2]
vpternlogq \$0xC6,@T[7],@T[2],$A20 # [3][0] [1][0] [4][0] [2][0]
vpermq \$0b00000000,@T[0],@T[0] # [0][0] [0][0] [0][0] [0][0]
vpermq \$0b00011011,$A31,$A31 # post-Chi shuffle
vpermq \$0b10001101,$A41,$A41
vpermq \$0b01110010,$A11,$A11
vpblendd \$0b00001100,@T[3],@T[6],$A21 # [4][3] [2][2]
vpblendd \$0b00001100,@T[6],@T[5],@T[7] # [4][4] [2][3]
vpblendd \$0b00110000,@T[5],$A21,$A21 # [1][4] [4][3] [2][2]
vpblendd \$0b00110000,@T[2],@T[7],@T[7] # [1][0] [4][4] [2][3]
vpblendd \$0b11000000,@T[2],$A21,$A21 # [3][0] [1][4] [4][3] [2][2]
vpblendd \$0b11000000,@T[3],@T[7],@T[7] # [3][1] [1][0] [4][4] [2][3]
vpternlogq \$0xC6,@T[8],@T[1],$A01 # [0][4] [0][3] [0][2] [0][1]
vpternlogq \$0xC6,@T[7],@T[4],$A21 # [3][4] [1][3] [4][2] [2][1]
######################################### Iota
vpternlogq \$0x96,(%r10),@T[0],$A00
lea 32(%r10),%r10
dec %eax
jnz .Loop_avx512vl
ret
.size __KeccakF1600,.-__KeccakF1600
___
my ($A_flat,$inp,$len,$bsz) = ("%rdi","%rsi","%rdx","%rcx");
my $out = $inp; # in squeeze
$code.=<<___;
.globl SHA3_absorb
.type SHA3_absorb,\@function
.align 32
SHA3_absorb:
mov %rsp,%r11
lea -240(%rsp),%rsp
and \$-32,%rsp
lea 96($A_flat),$A_flat
lea 96($inp),$inp
lea 96(%rsp),%r10
lea rhotates_left(%rip),%r8
vzeroupper
vpbroadcastq -96($A_flat),$A00 # load A[5][5]
vmovdqu 8+32*0-96($A_flat),$A01
vmovdqu 8+32*1-96($A_flat),$A20
vmovdqu 8+32*2-96($A_flat),$A31
vmovdqu 8+32*3-96($A_flat),$A21
vmovdqu 8+32*4-96($A_flat),$A41
vmovdqu 8+32*5-96($A_flat),$A11
vmovdqa64 0*32(%r8),$R20 # load "rhotate" indices
vmovdqa64 1*32(%r8),$R01
vmovdqa64 2*32(%r8),$R31
vmovdqa64 3*32(%r8),$R21
vmovdqa64 4*32(%r8),$R41
vmovdqa64 5*32(%r8),$R11
vpxor @T[0],@T[0],@T[0]
vmovdqa @T[0],32*2-96(%r10) # zero transfer area on stack
vmovdqa @T[0],32*3-96(%r10)
vmovdqa @T[0],32*4-96(%r10)
vmovdqa @T[0],32*5-96(%r10)
vmovdqa @T[0],32*6-96(%r10)
.Loop_absorb_avx512vl:
mov $bsz,%rax
sub $bsz,$len
jc .Ldone_absorb_avx512vl
shr \$3,%eax
vpbroadcastq 0-96($inp),@T[0]
vmovdqu 8-96($inp),@T[1]
sub \$4,%eax
___
for(my $i=5; $i<25; $i++) {
$code.=<<___
dec %eax
jz .Labsorved_avx512vl
mov 8*$i-96($inp),%r8
mov %r8,$A_jagged[$i]-96(%r10)
___
}
$code.=<<___;
.Labsorved_avx512vl:
lea ($inp,$bsz),$inp
vpxor @T[0],$A00,$A00
vpxor @T[1],$A01,$A01
vpxor 32*2-96(%r10),$A20,$A20
vpxor 32*3-96(%r10),$A31,$A31
vpxor 32*4-96(%r10),$A21,$A21
vpxor 32*5-96(%r10),$A41,$A41
vpxor 32*6-96(%r10),$A11,$A11
call __KeccakF1600
lea 96(%rsp),%r10
jmp .Loop_absorb_avx512vl
.Ldone_absorb_avx512vl:
vmovq %xmm0,-96($A_flat)
vmovdqu $A01,8+32*0-96($A_flat)
vmovdqu $A20,8+32*1-96($A_flat)
vmovdqu $A31,8+32*2-96($A_flat)
vmovdqu $A21,8+32*3-96($A_flat)
vmovdqu $A41,8+32*4-96($A_flat)
vmovdqu $A11,8+32*5-96($A_flat)
vzeroupper
lea (%r11),%rsp
lea ($len,$bsz),%rax # return value
ret
.size SHA3_absorb,.-SHA3_absorb
.globl SHA3_squeeze
.type SHA3_squeeze,\@function
.align 32
SHA3_squeeze:
mov %rsp,%r11
lea 96($A_flat),$A_flat
lea rhotates_left(%rip),%r8
shr \$3,$bsz
vzeroupper
vpbroadcastq -96($A_flat),$A00
vpxor @T[0],@T[0],@T[0]
vmovdqu 8+32*0-96($A_flat),$A01
vmovdqu 8+32*1-96($A_flat),$A20
vmovdqu 8+32*2-96($A_flat),$A31
vmovdqu 8+32*3-96($A_flat),$A21
vmovdqu 8+32*4-96($A_flat),$A41
vmovdqu 8+32*5-96($A_flat),$A11
vmovdqa64 0*32(%r8),$R20 # load "rhotate" indices
vmovdqa64 1*32(%r8),$R01
vmovdqa64 2*32(%r8),$R31
vmovdqa64 3*32(%r8),$R21
vmovdqa64 4*32(%r8),$R41
vmovdqa64 5*32(%r8),$R11
mov $bsz,%rax
.Loop_squeeze_avx512vl:
mov @A_jagged[$i]-96($A_flat),%r8
___
for (my $i=0; $i<25; $i++) {
$code.=<<___;
sub \$8,$len
jc .Ltail_squeeze_avx512vl
mov %r8,($out)
lea 8($out),$out
je .Ldone_squeeze_avx512vl
dec %eax
je .Lextend_output_avx512vl
mov @A_jagged[$i+1]-120($A_flat),%r8
___
}
$code.=<<___;
.Lextend_output_avx512vl:
call __KeccakF1600
vmovq %xmm0,-96($A_flat)
vmovdqu $A01,8+32*0-96($A_flat)
vmovdqu $A20,8+32*1-96($A_flat)
vmovdqu $A31,8+32*2-96($A_flat)
vmovdqu $A21,8+32*3-96($A_flat)
vmovdqu $A41,8+32*4-96($A_flat)
vmovdqu $A11,8+32*5-96($A_flat)
mov $bsz,%rax
jmp .Loop_squeeze_avx512vl
.Ltail_squeeze_avx512vl:
add \$8,$len
.Loop_tail_avx512vl:
mov %r8b,($out)
lea 1($out),$out
shr \$8,%r8
dec $len
jnz .Loop_tail_avx512vl
.Ldone_squeeze_avx512vl:
vzeroupper
lea (%r11),%rsp
ret
.size SHA3_squeeze,.-SHA3_squeeze
.section .rodata
.align 64
rhotates_left:
.quad 3, 18, 36, 41 # [2][0] [4][0] [1][0] [3][0]
.quad 1, 62, 28, 27 # [0][1] [0][2] [0][3] [0][4]
.quad 45, 6, 56, 39 # [3][1] [1][2] [4][3] [2][4]
.quad 10, 61, 55, 8 # [2][1] [4][2] [1][3] [3][4]
.quad 2, 15, 25, 20 # [4][1] [3][2] [2][3] [1][4]
.quad 44, 43, 21, 14 # [1][1] [2][2] [3][3] [4][4]
iotas:
.quad 0x0000000000000001, 0x0000000000000001, 0x0000000000000001, 0x0000000000000001
.quad 0x0000000000008082, 0x0000000000008082, 0x0000000000008082, 0x0000000000008082
.quad 0x800000000000808a, 0x800000000000808a, 0x800000000000808a, 0x800000000000808a
.quad 0x8000000080008000, 0x8000000080008000, 0x8000000080008000, 0x8000000080008000
.quad 0x000000000000808b, 0x000000000000808b, 0x000000000000808b, 0x000000000000808b
.quad 0x0000000080000001, 0x0000000080000001, 0x0000000080000001, 0x0000000080000001
.quad 0x8000000080008081, 0x8000000080008081, 0x8000000080008081, 0x8000000080008081
.quad 0x8000000000008009, 0x8000000000008009, 0x8000000000008009, 0x8000000000008009
.quad 0x000000000000008a, 0x000000000000008a, 0x000000000000008a, 0x000000000000008a
.quad 0x0000000000000088, 0x0000000000000088, 0x0000000000000088, 0x0000000000000088
.quad 0x0000000080008009, 0x0000000080008009, 0x0000000080008009, 0x0000000080008009
.quad 0x000000008000000a, 0x000000008000000a, 0x000000008000000a, 0x000000008000000a
.quad 0x000000008000808b, 0x000000008000808b, 0x000000008000808b, 0x000000008000808b
.quad 0x800000000000008b, 0x800000000000008b, 0x800000000000008b, 0x800000000000008b
.quad 0x8000000000008089, 0x8000000000008089, 0x8000000000008089, 0x8000000000008089
.quad 0x8000000000008003, 0x8000000000008003, 0x8000000000008003, 0x8000000000008003
.quad 0x8000000000008002, 0x8000000000008002, 0x8000000000008002, 0x8000000000008002
.quad 0x8000000000000080, 0x8000000000000080, 0x8000000000000080, 0x8000000000000080
.quad 0x000000000000800a, 0x000000000000800a, 0x000000000000800a, 0x000000000000800a
.quad 0x800000008000000a, 0x800000008000000a, 0x800000008000000a, 0x800000008000000a
.quad 0x8000000080008081, 0x8000000080008081, 0x8000000080008081, 0x8000000080008081
.quad 0x8000000000008080, 0x8000000000008080, 0x8000000000008080, 0x8000000000008080
.quad 0x0000000080000001, 0x0000000080000001, 0x0000000080000001, 0x0000000080000001
.quad 0x8000000080008008, 0x8000000080008008, 0x8000000080008008, 0x8000000080008008
.asciz "Keccak-1600 absorb and squeeze for AVX512VL, CRYPTOGAMS by <appro\@openssl.org>"
___
$output=pop and open STDOUT,">$output";
print $code;
close STDOUT or die "error closing STDOUT: $!";
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