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Third Party Openssl
提交 a8f3b8b5 编写于 作者: A Andy Polyakov
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sha512-x86_64.pl: add SIMD code paths.

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Showing with 1215 addition and 9 deletion
crypto/sha/asm/sha512-x86_64.pl
浏览文件 @ a8f3b8b5
......@@ -43,7 +43,44 @@
# May 2012.
#
# Optimization including one of Pavel Semjanov's ideas, alternative
# Maj, resulted in >=5% improvement on most CPUs, 20% on P4.
# Maj, resulted in >=5% improvement on most CPUs, +20% SHA256 and
# unfortunately -10% SHA512 on P4 [which nobody should care about
# that much].
#
# June 2012.
#
# Add SIMD code paths, see below for improvement coefficients. SSSE3
# code path was not attempted for SHA512, because improvement is not
# estimated to be high enough, noticeably less than 9%, to justify
# the effort, not on pre-AVX processors. [Obviously with exclusion
# for VIA Nano, but it has SHA512 instruction that is faster and
# should be used instead.] For reference, corresponding estimated
# upper limit for improvement for SSSE3 SHA256 is 28%. The fact that
# higher coefficients are observed on VIA Nano and Bulldozer has more
# to do with specifics of their architecture [which is topic for
# separate discussion].
######################################################################
# Current performance in cycles per processed byte (less is better):
#
# SHA256 SSSE3 AVX/XOP(*) SHA512 AVX/XOP(*)
#
# AMD K8 15.1 - - 9.70 -
# P4 17.5 - - 33.4 -
# Core 2 15.5 13.9(+11%) - 10.3 -
# Westmere 15.1 12.5(+21%) - 9.72 -
# Atom 23.0 21.6(+6%) - 14.7 -
# VIA Nano 23.0 16.3(+41%) - 14.7 -
# Sandy Bridge 17.4 14.0(+24%) 11.6(+50%(**)) 11.2 8.10(+38%(**))
# Ivy Bridge 12.6 10.3(+22%) 10.3(+22%) 8.17 7.22(+13%)
# Bulldozer 21.5 13.7(+57%) 13.7(+57%(***)) 13.5 8.58(+57%)
#
# (*) whichever applicable;
# (**) switch from ror to shrd stands for fair share of improvement;
# (***) execution time is fully determined by remaining integer-only
# part, body_00_15; reducing the amount of SIMD instructions
# below certain limit makes no difference/sense; to conserve
# space SHA256 XOP code path is therefore omitted;
$flavour = shift;
$output = shift;
......@@ -56,6 +93,16 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
die "can't locate x86_64-xlate.pl";
$avx=1 if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
=~ /GNU assembler version ([2-9]\.[0-9]+)/ &&
$1>=2.19);
$avx=1 if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) &&
`nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/ &&
$1>=2.09);
$avx=1 if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) &&
`ml64 2>&1` =~ /Version ([0-9]+)\./ &&
$1>=10);
open STDOUT,"| $^X $xlate $flavour $output";
if ($output =~ /512/) {
......@@ -179,10 +226,33 @@ ___
$code=<<___;
.text
.extern OPENSSL_ia32cap_P
.globl $func
.type $func,\@function,4
.align 16
$func:
___
$code.=<<___ if ($SZ==4 || $avx);
lea OPENSSL_ia32cap_P(%rip),%r11
mov 0(%r11),%r10d
mov 4(%r11),%r11d
___
$code.=<<___ if ($avx && $SZ==8);
test \$`1<<11`,%r11d # check for XOP
jnz .Lxop_shortcut
___
$code.=<<___ if ($avx);
and \$`1<<30`,%r10d # mask "Intel CPU" bit
and \$`1<<28|1<<9`,%r11d # mask AVX and SSSE3 bits
or %r10d,%r11d
cmp \$`1<<28|1<<9|1<<30`,%r11d
je .Lavx_shortcut
___
$code.=<<___ if ($SZ==4);
test \$`1<<9`,%r11d
jnz .Lssse3_shortcut
___
$code.=<<___;
push %rbx
push %rbp
push %r12
......@@ -235,7 +305,7 @@ ___
}
$code.=<<___;
testl \$-1,($Tbl)
cmpb \$0,`$SZ-1`($Tbl)
jnz .Lrounds_16_xx
mov $_ctx,$ctx
......@@ -296,7 +366,10 @@ $TABLE:
.long 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
.long 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
.long 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
.long 0
.long 0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f
.long 0x03020100,0x0b0a0908,0xffffffff,0xffffffff
.long 0xffffffff,0xffffffff,0x03020100,0x0b0a0908
.asciz "SHA256 block transform for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
___
} else {
......@@ -344,11 +417,1094 @@ $TABLE:
.quad 0x3c9ebe0a15c9bebc,0x431d67c49c100d4c
.quad 0x4cc5d4becb3e42b6,0x597f299cfc657e2a
.quad 0x5fcb6fab3ad6faec,0x6c44198c4a475817
.long 0
.quad 0x0001020304050607,0x08090a0b0c0d0e0f
.asciz "SHA512 block transfort for x86_64, CRYPTOGAMS by <appro\@openssl.org>"
___
}
######################################################################
# SIMD code paths
#
{{{
my $a4=$T1;
my ($a,$b,$c,$d,$e,$f,$g,$h);
sub AUTOLOAD() # thunk [simplified] 32-bit style perlasm
{ my $opcode = $AUTOLOAD; $opcode =~ s/.*:://;
my $arg = pop;
$arg = "\$$arg" if ($arg*1 eq $arg);
$code .= "\t$opcode\t".join(',',$arg,reverse @_)."\n";
}
sub body_00_15 () {
(
'($a,$b,$c,$d,$e,$f,$g,$h)=@ROT;'.
'&ror ($a0,$Sigma1[2]-$Sigma1[1])',
'&mov ($a,$a1)',
'&mov ($a4,$f)',
'&xor ($a0,$e)',
'&ror ($a1,$Sigma0[2]-$Sigma0[1])',
'&xor ($a4,$g)', # f^g
'&ror ($a0,$Sigma1[1]-$Sigma1[0])',
'&xor ($a1,$a)',
'&and ($a4,$e)', # (f^g)&e
'&xor ($a0,$e)',
'&add ($h,$SZ*($i&15)."(%rsp)")', # h+=X[i]+K[i]
'&mov ($a2,$a)',
'&ror ($a1,$Sigma0[1]-$Sigma0[0])',
'&xor ($a4,$g)', # Ch(e,f,g)=((f^g)&e)^g
'&xor ($a2,$b)', # a^b, b^c in next round
'&ror ($a0,$Sigma1[0])', # Sigma1(e)
'&add ($h,$a4)', # h+=Ch(e,f,g)
'&and ($a3,$a2)', # (b^c)&(a^b)
'&xor ($a1,$a)',
'&add ($h,$a0)', # h+=Sigma1(e)
'&xor ($a3,$b)', # Maj(a,b,c)=Ch(a^b,c,b)
'&add ($d,$h)', # d+=h
'&ror ($a1,$Sigma0[0])', # Sigma0(a)
'&add ($h,$a3)', # h+=Maj(a,b,c)
'&mov ($a0,$d)',
'&add ($a1,$h);'. # h+=Sigma0(a)
'($a2,$a3) = ($a3,$a2); unshift(@ROT,pop(@ROT)); $i++;'
);
}
######################################################################
# SSSE3 code path
#
if ($SZ==4) { # SHA256 only
my @X = map("%xmm$_",(0..3));
my ($t0,$t1,$t2,$t3, $t4,$t5) = map("%xmm$_",(4..9));
$code.=<<___;
.type ${func}_ssse3,\@function,4
.align 64
${func}_ssse3:
.Lssse3_shortcut:
push %rbx
push %rbp
push %r12
push %r13
push %r14
push %r15
mov %rsp,%r11 # copy %rsp
shl \$4,%rdx # num*16
sub \$`$framesz+$win64*16*4`,%rsp
lea ($inp,%rdx,$SZ),%rdx # inp+num*16*$SZ
and \$-64,%rsp # align stack frame
mov $ctx,$_ctx # save ctx, 1st arg
mov $inp,$_inp # save inp, 2nd arh
mov %rdx,$_end # save end pointer, "3rd" arg
mov %r11,$_rsp # save copy of %rsp
___
$code.=<<___ if ($win64);
movaps %xmm6,16*$SZ+32(%rsp)
movaps %xmm7,16*$SZ+48(%rsp)
movaps %xmm8,16*$SZ+64(%rsp)
movaps %xmm9,16*$SZ+80(%rsp)
___
$code.=<<___;
.Lprologue_ssse3:
mov $SZ*0($ctx),$A
mov $SZ*1($ctx),$B
mov $SZ*2($ctx),$C
mov $SZ*3($ctx),$D
mov $SZ*4($ctx),$E
mov $SZ*5($ctx),$F
mov $SZ*6($ctx),$G
mov $SZ*7($ctx),$H
___
$code.=<<___;
movdqa $TABLE+`$SZ*$rounds`+16(%rip),$t4
movdqa $TABLE+`$SZ*$rounds`+32(%rip),$t5
jmp .Lloop_ssse3
.align 16
.Lloop_ssse3:
movdqa $TABLE+`$SZ*$rounds`(%rip),$t3
movdqu 0x00($inp),@X[0]
movdqu 0x10($inp),@X[1]
movdqu 0x20($inp),@X[2]
movdqu 0x30($inp),@X[3]
pshufb $t3,@X[0]
lea $TABLE(%rip),$Tbl
pshufb $t3,@X[1]
movdqa 0x00($Tbl),$t0
pshufb $t3,@X[2]
movdqa 0x10($Tbl),$t1
paddd @X[0],$t0
movdqa 0x20($Tbl),$t2
pshufb $t3,@X[3]
movdqa 0x30($Tbl),$t3
paddd @X[1],$t1
paddd @X[2],$t2
paddd @X[3],$t3
movdqa $t0,0x00(%rsp)
mov $A,$a1
movdqa $t1,0x10(%rsp)
mov $B,$a3
movdqa $t2,0x20(%rsp)
xor $C,$a3 # magic
movdqa $t3,0x30(%rsp)
mov $E,$a0
jmp .Lssse3_00_47
.align 16
.Lssse3_00_47:
add \$16*$SZ,$Tbl
___
sub Xupdate_256_SSSE3 () {
(
'&movdqa ($t0,@X[1]);',
'&movdqa ($t3,@X[3])',
'&palignr ($t0,@X[0],$SZ)', # X[1..4]
'&palignr ($t3,@X[2],$SZ);', # X[9..12]
'&movdqa ($t1,$t0)',
'&movdqa ($t2,$t0);',
'&psrld ($t0,$sigma0[2])',
'&paddd (@X[0],$t3);', # X[0..3] += X[9..12]
'&psrld ($t2,$sigma0[0])',
'&pshufd ($t3,@X[3],0b11111010)',# X[14..15]
'&pslld ($t1,8*$SZ-$sigma0[1]);'.
'&pxor ($t0,$t2)',
'&psrld ($t2,$sigma0[1]-$sigma0[0]);'.
'&pxor ($t0,$t1)',
'&pslld ($t1,$sigma0[1]-$sigma0[0]);'.
'&pxor ($t0,$t2);',
'&movdqa ($t2,$t3)',
'&pxor ($t0,$t1);', # sigma0(X[1..4])
'&psrld ($t3,$sigma1[2])',
'&paddd (@X[0],$t0);', # X[0..3] += sigma0(X[1..4])
'&psrlq ($t2,$sigma1[0])',
'&pxor ($t3,$t2);',
'&psrlq ($t2,$sigma1[1]-$sigma1[0])',
'&pxor ($t3,$t2)',
'&pshufb ($t3,$t4)', # sigma1(X[14..15])
'&paddd (@X[0],$t3)', # X[0..1] += sigma1(X[14..15])
'&pshufd ($t3,@X[0],0b01010000)',# X[16..17]
'&movdqa ($t2,$t3);',
'&psrld ($t3,$sigma1[2])',
'&psrlq ($t2,$sigma1[0])',
'&pxor ($t3,$t2);',
'&psrlq ($t2,$sigma1[1]-$sigma1[0])',
'&pxor ($t3,$t2);',
'&movdqa ($t2,16*$j."($Tbl)")',
'&pshufb ($t3,$t5)',
'&paddd (@X[0],$t3)' # X[2..3] += sigma1(X[16..17])
);
}
sub SSSE3_256_00_47 () {
my $j = shift;
my $body = shift;
my @X = @_;
my @insns = (&$body,&$body,&$body,&$body); # 104 instructions
if (0) {
foreach (Xupdate_256_SSSE3()) { # 36 instructions
eval;
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
}
} else { # squeeze extra 3% on Westmere and Atom
eval(shift(@insns)); #@
eval(shift(@insns));
&movdqa ($t0,@X[1]);
eval(shift(@insns));
&movdqa ($t3,@X[3]);
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
&palignr ($t0,@X[0],$SZ); # X[1..4]
eval(shift(@insns)); #@
eval(shift(@insns));
&palignr ($t3,@X[2],$SZ); # X[9..12]
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
&movdqa ($t1,$t0);
eval(shift(@insns));
&movdqa ($t2,$t0);
eval(shift(@insns)); #@
eval(shift(@insns));
eval(shift(@insns));
&psrld ($t0,$sigma0[2]);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&paddd (@X[0],$t3); # X[0..3] += X[9..12]
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
&psrld ($t2,$sigma0[0]);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
&pshufd ($t3,@X[3],0b11111010); # X[4..15]
eval(shift(@insns));
&pslld ($t1,8*$SZ-$sigma0[1]);
eval(shift(@insns));
&pxor ($t0,$t2);
eval(shift(@insns)); #@
eval(shift(@insns));
&psrld ($t2,$sigma0[1]-$sigma0[0]);
eval(shift(@insns)); #@
eval(shift(@insns));
&pxor ($t0,$t1);
eval(shift(@insns));
eval(shift(@insns));
&pslld ($t1,$sigma0[1]-$sigma0[0]);
eval(shift(@insns));
&pxor ($t0,$t2);
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
&movdqa ($t2,$t3);
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
&pxor ($t0,$t1); # sigma0(X[1..4])
eval(shift(@insns));
eval(shift(@insns));
&psrld ($t3,$sigma1[2]);
eval(shift(@insns));
eval(shift(@insns));
&paddd (@X[0],$t0); # X[0..3] += sigma0(X[1..4])
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
eval(shift(@insns));
&psrlq ($t2,$sigma1[0]);
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
eval(shift(@insns));
&pxor ($t3,$t2);
eval(shift(@insns));
eval(shift(@insns)); #@
&psrlq ($t2,$sigma1[1]-$sigma1[0]);
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
&pxor ($t3,$t2);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&pshufb ($t3,$t4); # sigma1(X[14..15])
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns)); #@
&paddd (@X[0],$t3); # X[0..1] += sigma1(X[14..15])
eval(shift(@insns));
&pshufd ($t3,@X[0],0b01010000); # X[16..17]
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&movdqa ($t2,$t3);
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
&psrld ($t3,$sigma1[2]);
eval(shift(@insns));
&psrlq ($t2,$sigma1[0]);
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
eval(shift(@insns));
&pxor ($t3,$t2);
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
&psrlq ($t2,$sigma1[1]-$sigma1[0]);
eval(shift(@insns)); #@
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&pxor ($t3,$t2);
eval(shift(@insns));
eval(shift(@insns));
&movdqa ($t2,16*$j."($Tbl)");
eval(shift(@insns)); #@
eval(shift(@insns));
&pshufb ($t3,$t5);
eval(shift(@insns));
eval(shift(@insns)); #@
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&paddd (@X[0],$t3); # X[2..3] += sigma1(X[16..17])
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
}
&paddd ($t2,@X[0]);
foreach (@insns) { eval; } # remaining instructions
&movdqa (16*$j."(%rsp)",$t2);
}
for ($i=0,$j=0; $j<4; $j++) {
&SSSE3_256_00_47($j,\&body_00_15,@X);
push(@X,shift(@X)); # rotate(@X)
}
&cmpb ($SZ-1+16*$SZ."($Tbl)",0);
&jne (".Lssse3_00_47");
for ($i=0; $i<16; ) {
foreach(body_00_15()) { eval; }
}
$code.=<<___;
mov $_ctx,$ctx
mov $a1,$A
add $SZ*0($ctx),$A
lea 16*$SZ($inp),$inp
add $SZ*1($ctx),$B
add $SZ*2($ctx),$C
add $SZ*3($ctx),$D
add $SZ*4($ctx),$E
add $SZ*5($ctx),$F
add $SZ*6($ctx),$G
add $SZ*7($ctx),$H
cmp $_end,$inp
mov $A,$SZ*0($ctx)
mov $B,$SZ*1($ctx)
mov $C,$SZ*2($ctx)
mov $D,$SZ*3($ctx)
mov $E,$SZ*4($ctx)
mov $F,$SZ*5($ctx)
mov $G,$SZ*6($ctx)
mov $H,$SZ*7($ctx)
jb .Lloop_ssse3
mov $_rsp,%rsi
___
$code.=<<___ if ($win64);
movaps 16*$SZ+32(%rsp),%xmm6
movaps 16*$SZ+48(%rsp),%xmm7
movaps 16*$SZ+64(%rsp),%xmm8
movaps 16*$SZ+80(%rsp),%xmm9
___
$code.=<<___;
mov (%rsi),%r15
mov 8(%rsi),%r14
mov 16(%rsi),%r13
mov 24(%rsi),%r12
mov 32(%rsi),%rbp
mov 40(%rsi),%rbx
lea 48(%rsi),%rsp
.Lepilogue_ssse3:
ret
.size ${func}_ssse3,.-${func}_ssse3
___
}
if ($avx) {{
######################################################################
# XOP code path
#
if ($SZ==8) { # SHA512 only
$code.=<<___;
.type ${func}_xop,\@function,4
.align 64
${func}_xop:
.Lxop_shortcut:
push %rbx
push %rbp
push %r12
push %r13
push %r14
push %r15
mov %rsp,%r11 # copy %rsp
shl \$4,%rdx # num*16
sub \$`$framesz+$win64*16*($SZ==4?4:6)`,%rsp
lea ($inp,%rdx,$SZ),%rdx # inp+num*16*$SZ
and \$-64,%rsp # align stack frame
mov $ctx,$_ctx # save ctx, 1st arg
mov $inp,$_inp # save inp, 2nd arh
mov %rdx,$_end # save end pointer, "3rd" arg
mov %r11,$_rsp # save copy of %rsp
___
$code.=<<___ if ($win64);
movaps %xmm6,16*$SZ+32(%rsp)
movaps %xmm7,16*$SZ+48(%rsp)
movaps %xmm8,16*$SZ+64(%rsp)
movaps %xmm9,16*$SZ+80(%rsp)
___
$code.=<<___ if ($win64 && $SZ>4);
movaps %xmm10,16*$SZ+96(%rsp)
movaps %xmm11,16*$SZ+112(%rsp)
___
$code.=<<___;
.Lprologue_xop:
vzeroall
mov $SZ*0($ctx),$A
mov $SZ*1($ctx),$B
mov $SZ*2($ctx),$C
mov $SZ*3($ctx),$D
mov $SZ*4($ctx),$E
mov $SZ*5($ctx),$F
mov $SZ*6($ctx),$G
mov $SZ*7($ctx),$H
jmp .Lloop_xop
___
if ($SZ==4) { # SHA256
my @X = map("%xmm$_",(0..3));
my ($t0,$t1,$t2,$t3) = map("%xmm$_",(4..7));
$code.=<<___;
.align 16
.Lloop_xop:
vmovdqa $TABLE+`$SZ*$rounds`(%rip),$t3
vmovdqu 0x00($inp),@X[0]
vmovdqu 0x10($inp),@X[1]
vmovdqu 0x20($inp),@X[2]
vmovdqu 0x30($inp),@X[3]
vpshufb $t3,@X[0],@X[0]
lea $TABLE(%rip),$Tbl
vpshufb $t3,@X[1],@X[1]
vpshufb $t3,@X[2],@X[2]
vpaddd 0x00($Tbl),@X[0],$t0
vpshufb $t3,@X[3],@X[3]
vpaddd 0x10($Tbl),@X[1],$t1
vpaddd 0x20($Tbl),@X[2],$t2
vpaddd 0x30($Tbl),@X[3],$t3
vmovdqa $t0,0x00(%rsp)
mov $A,$a1
vmovdqa $t1,0x10(%rsp)
mov $B,$a3
vmovdqa $t2,0x20(%rsp)
xor $C,$a3 # magic
vmovdqa $t3,0x30(%rsp)
mov $E,$a0
jmp .Lxop_00_47
.align 16
.Lxop_00_47:
add \$16*$SZ,$Tbl
___
sub XOP_256_00_47 () {
my $j = shift;
my $body = shift;
my @X = @_;
my @insns = (&$body,&$body,&$body,&$body); # 104 instructions
&vpalignr ($t0,@X[1],@X[0],$SZ); # X[1..4]
eval(shift(@insns));
eval(shift(@insns));
&vpalignr ($t3,@X[3],@X[2],$SZ); # X[9..12]
eval(shift(@insns));
eval(shift(@insns));
&vprotd ($t1,$t0,8*$SZ-$sigma0[1]);
eval(shift(@insns));
eval(shift(@insns));
&vpsrld ($t0,$t0,$sigma0[2]);
eval(shift(@insns));
eval(shift(@insns));
&vpaddd (@X[0],@X[0],$t3); # X[0..3] += X[9..12]
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vprotd ($t2,$t1,$sigma0[1]-$sigma0[0]);
eval(shift(@insns));
eval(shift(@insns));
&vpxor ($t0,$t0,$t1);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vprotd ($t3,@X[3],8*$SZ-$sigma1[1]);
eval(shift(@insns));
eval(shift(@insns));
&vpxor ($t0,$t0,$t2); # sigma0(X[1..4])
eval(shift(@insns));
eval(shift(@insns));
&vpsrld ($t2,@X[3],$sigma1[2]);
eval(shift(@insns));
eval(shift(@insns));
&vpaddd (@X[0],@X[0],$t0); # X[0..3] += sigma0(X[1..4])
eval(shift(@insns));
eval(shift(@insns));
&vprotd ($t1,$t3,$sigma1[1]-$sigma1[0]);
eval(shift(@insns));
eval(shift(@insns));
&vpxor ($t3,$t3,$t2);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vpxor ($t3,$t3,$t1); # sigma1(X[14..15])
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vpsrldq ($t3,$t3,8);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vpaddd (@X[0],@X[0],$t3); # X[0..1] += sigma1(X[14..15])
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vprotd ($t3,@X[0],8*$SZ-$sigma1[1]);
eval(shift(@insns));
eval(shift(@insns));
&vpsrld ($t2,@X[0],$sigma1[2]);
eval(shift(@insns));
eval(shift(@insns));
&vprotd ($t1,$t3,$sigma1[1]-$sigma1[0]);
eval(shift(@insns));
eval(shift(@insns));
&vpxor ($t3,$t3,$t2);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vpxor ($t3,$t3,$t1); # sigma1(X[16..17])
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vpslldq ($t3,$t3,8); # 22 instructions
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vpaddd (@X[0],@X[0],$t3); # X[2..3] += sigma1(X[16..17])
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vpaddd ($t2,@X[0],16*$j."($Tbl)");
foreach (@insns) { eval; } # remaining instructions
&vmovdqa (16*$j."(%rsp)",$t2);
}
for ($i=0,$j=0; $j<4; $j++) {
&XOP_256_00_47($j,\&body_00_15,@X);
push(@X,shift(@X)); # rotate(@X)
}
&cmpb ($SZ-1+16*$SZ."($Tbl)",0);
&jne (".Lxop_00_47");
for ($i=0; $i<16; ) {
foreach(body_00_15()) { eval; }
}
} else { # SHA512
my @X = map("%xmm$_",(0..7));
my ($t0,$t1,$t2,$t3) = map("%xmm$_",(8..11));
$code.=<<___;
.align 16
.Lloop_xop:
vmovdqa $TABLE+`$SZ*$rounds`(%rip),$t3
vmovdqu 0x00($inp),@X[0]
lea $TABLE(%rip),$Tbl
vmovdqu 0x10($inp),@X[1]
vmovdqu 0x20($inp),@X[2]
vpshufb $t3,@X[0],@X[0]
vmovdqu 0x30($inp),@X[3]
vpshufb $t3,@X[1],@X[1]
vmovdqu 0x40($inp),@X[4]
vpshufb $t3,@X[2],@X[2]
vmovdqu 0x50($inp),@X[5]
vpshufb $t3,@X[3],@X[3]
vmovdqu 0x60($inp),@X[6]
vpshufb $t3,@X[4],@X[4]
vmovdqu 0x70($inp),@X[7]
vpshufb $t3,@X[5],@X[5]
vpaddq 0x00($Tbl),@X[0],$t0
vpshufb $t3,@X[6],@X[6]
vpaddq 0x10($Tbl),@X[1],$t1
vpshufb $t3,@X[7],@X[7]
vpaddq 0x20($Tbl),@X[2],$t2
vpaddq 0x30($Tbl),@X[3],$t3
vmovdqa $t0,0x00(%rsp)
vpaddq 0x40($Tbl),@X[4],$t0
vmovdqa $t1,0x10(%rsp)
vpaddq 0x50($Tbl),@X[5],$t1
vmovdqa $t2,0x20(%rsp)
vpaddq 0x60($Tbl),@X[6],$t2
vmovdqa $t3,0x30(%rsp)
vpaddq 0x70($Tbl),@X[7],$t3
vmovdqa $t0,0x40(%rsp)
mov $A,$a1
vmovdqa $t1,0x50(%rsp)
mov $B,$a3
vmovdqa $t2,0x60(%rsp)
xor $C,$a3 # magic
vmovdqa $t3,0x70(%rsp)
mov $E,$a0
jmp .Lxop_00_47
.align 16
.Lxop_00_47:
add \$16*$SZ,$Tbl
___
sub XOP_512_00_47 () {
my $j = shift;
my $body = shift;
my @X = @_;
my @insns = (&$body,&$body); # 52 instructions
&vpalignr ($t0,@X[1],@X[0],$SZ); # X[1..2]
eval(shift(@insns));
eval(shift(@insns));
&vpalignr ($t3,@X[5],@X[4],$SZ); # X[9..10]
eval(shift(@insns));
eval(shift(@insns));
&vprotq ($t1,$t0,8*$SZ-$sigma0[1]);
eval(shift(@insns));
eval(shift(@insns));
&vpsrlq ($t0,$t0,$sigma0[2]);
eval(shift(@insns));
eval(shift(@insns));
&vpaddq (@X[0],@X[0],$t3); # X[0..1] += X[9..10]
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vprotq ($t2,$t1,$sigma0[1]-$sigma0[0]);
eval(shift(@insns));
eval(shift(@insns));
&vpxor ($t0,$t0,$t1);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vprotq ($t3,@X[7],8*$SZ-$sigma1[1]);
eval(shift(@insns));
eval(shift(@insns));
&vpxor ($t0,$t0,$t2); # sigma0(X[1..2])
eval(shift(@insns));
eval(shift(@insns));
&vpsrlq ($t2,@X[7],$sigma1[2]);
eval(shift(@insns));
eval(shift(@insns));
&vpaddq (@X[0],@X[0],$t0); # X[0..1] += sigma0(X[1..2])
eval(shift(@insns));
eval(shift(@insns));
&vprotq ($t1,$t3,$sigma1[1]-$sigma1[0]);
eval(shift(@insns));
eval(shift(@insns));
&vpxor ($t3,$t3,$t2);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vpxor ($t3,$t3,$t1); # sigma1(X[14..15])
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vpaddq (@X[0],@X[0],$t3); # X[0..1] += sigma1(X[14..15])
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vpaddq ($t2,@X[0],16*$j."($Tbl)");
foreach (@insns) { eval; } # remaining instructions
&vmovdqa (16*$j."(%rsp)",$t2);
}
for ($i=0,$j=0; $j<8; $j++) {
&XOP_512_00_47($j,\&body_00_15,@X);
push(@X,shift(@X)); # rotate(@X)
}
&cmpb ($SZ-1+16*$SZ."($Tbl)",0);
&jne (".Lxop_00_47");
for ($i=0; $i<16; ) {
foreach(body_00_15()) { eval; }
}
}
$code.=<<___;
mov $_ctx,$ctx
mov $a1,$A
add $SZ*0($ctx),$A
lea 16*$SZ($inp),$inp
add $SZ*1($ctx),$B
add $SZ*2($ctx),$C
add $SZ*3($ctx),$D
add $SZ*4($ctx),$E
add $SZ*5($ctx),$F
add $SZ*6($ctx),$G
add $SZ*7($ctx),$H
cmp $_end,$inp
mov $A,$SZ*0($ctx)
mov $B,$SZ*1($ctx)
mov $C,$SZ*2($ctx)
mov $D,$SZ*3($ctx)
mov $E,$SZ*4($ctx)
mov $F,$SZ*5($ctx)
mov $G,$SZ*6($ctx)
mov $H,$SZ*7($ctx)
jb .Lloop_xop
mov $_rsp,%rsi
vzeroall
___
$code.=<<___ if ($win64);
movaps 16*$SZ+32(%rsp),%xmm6
movaps 16*$SZ+48(%rsp),%xmm7
movaps 16*$SZ+64(%rsp),%xmm8
movaps 16*$SZ+80(%rsp),%xmm9
___
$code.=<<___ if ($win64 && $SZ>4);
movaps 16*$SZ+96(%rsp),%xmm10
movaps 16*$SZ+112(%rsp),%xmm11
___
$code.=<<___;
mov (%rsi),%r15
mov 8(%rsi),%r14
mov 16(%rsi),%r13
mov 24(%rsi),%r12
mov 32(%rsi),%rbp
mov 40(%rsi),%rbx
lea 48(%rsi),%rsp
.Lepilogue_xop:
ret
.size ${func}_xop,.-${func}_xop
___
}
######################################################################
# AVX+shrd code path
#
local *ror = sub { &shrd(@_[0],@_) };
$code.=<<___;
.type ${func}_avx,\@function,4
.align 64
${func}_avx:
.Lavx_shortcut:
push %rbx
push %rbp
push %r12
push %r13
push %r14
push %r15
mov %rsp,%r11 # copy %rsp
shl \$4,%rdx # num*16
sub \$`$framesz+$win64*16*($SZ==4?4:6)`,%rsp
lea ($inp,%rdx,$SZ),%rdx # inp+num*16*$SZ
and \$-64,%rsp # align stack frame
mov $ctx,$_ctx # save ctx, 1st arg
mov $inp,$_inp # save inp, 2nd arh
mov %rdx,$_end # save end pointer, "3rd" arg
mov %r11,$_rsp # save copy of %rsp
___
$code.=<<___ if ($win64);
movaps %xmm6,16*$SZ+32(%rsp)
movaps %xmm7,16*$SZ+48(%rsp)
movaps %xmm8,16*$SZ+64(%rsp)
movaps %xmm9,16*$SZ+80(%rsp)
___
$code.=<<___ if ($win64 && $SZ>4);
movaps %xmm10,16*$SZ+96(%rsp)
movaps %xmm11,16*$SZ+112(%rsp)
___
$code.=<<___;
.Lprologue_avx:
vzeroall
mov $SZ*0($ctx),$A
mov $SZ*1($ctx),$B
mov $SZ*2($ctx),$C
mov $SZ*3($ctx),$D
mov $SZ*4($ctx),$E
mov $SZ*5($ctx),$F
mov $SZ*6($ctx),$G
mov $SZ*7($ctx),$H
___
if ($SZ==4) { # SHA256
my @X = map("%xmm$_",(0..3));
my ($t0,$t1,$t2,$t3, $t4,$t5) = map("%xmm$_",(4..9));
$code.=<<___;
vmovdqa $TABLE+`$SZ*$rounds`+16(%rip),$t4
vmovdqa $TABLE+`$SZ*$rounds`+32(%rip),$t5
jmp .Lloop_avx
.align 16
.Lloop_avx:
vmovdqa $TABLE+`$SZ*$rounds`(%rip),$t3
vmovdqu 0x00($inp),@X[0]
vmovdqu 0x10($inp),@X[1]
vmovdqu 0x20($inp),@X[2]
vmovdqu 0x30($inp),@X[3]
vpshufb $t3,@X[0],@X[0]
lea $TABLE(%rip),$Tbl
vpshufb $t3,@X[1],@X[1]
vpshufb $t3,@X[2],@X[2]
vpaddd 0x00($Tbl),@X[0],$t0
vpshufb $t3,@X[3],@X[3]
vpaddd 0x10($Tbl),@X[1],$t1
vpaddd 0x20($Tbl),@X[2],$t2
vpaddd 0x30($Tbl),@X[3],$t3
vmovdqa $t0,0x00(%rsp)
mov $A,$a1
vmovdqa $t1,0x10(%rsp)
mov $B,$a3
vmovdqa $t2,0x20(%rsp)
xor $C,$a3 # magic
vmovdqa $t3,0x30(%rsp)
mov $E,$a0
jmp .Lavx_00_47
.align 16
.Lavx_00_47:
add \$16*$SZ,$Tbl
___
sub Xupdate_256_AVX () {
(
'&vpalignr ($t0,@X[1],@X[0],$SZ)', # X[1..4]
'&vpalignr ($t3,@X[3],@X[2],$SZ)', # X[9..12]
'&vpsrld ($t2,$t0,$sigma0[0]);',
'&vpaddd (@X[0],@X[0],$t3)', # X[0..3] += X[9..12]
'&vpsrld ($t3,$t0,$sigma0[2])',
'&vpslld ($t1,$t0,8*$SZ-$sigma0[1]);',
'&vpxor ($t0,$t3,$t2)',
'&vpshufd ($t3,@X[3],0b11111010)',# X[14..15]
'&vpsrld ($t2,$t2,$sigma0[1]-$sigma0[0]);',
'&vpxor ($t0,$t0,$t1)',
'&vpslld ($t1,$t1,$sigma0[1]-$sigma0[0]);',
'&vpxor ($t0,$t0,$t2)',
'&vpsrld ($t2,$t3,$sigma1[2]);',
'&vpxor ($t0,$t0,$t1)', # sigma0(X[1..4])
'&vpsrlq ($t3,$t3,$sigma1[0]);',
'&vpaddd (@X[0],@X[0],$t0)', # X[0..3] += sigma0(X[1..4])
'&vpxor ($t2,$t2,$t3);',
'&vpsrlq ($t3,$t3,$sigma1[1]-$sigma1[0])',
'&vpxor ($t2,$t2,$t3)',
'&vpshufb ($t2,$t2,$t4)', # sigma1(X[14..15])
'&vpaddd (@X[0],@X[0],$t2)', # X[0..1] += sigma1(X[14..15])
'&vpshufd ($t3,@X[0],0b01010000)',# X[16..17]
'&vpsrld ($t2,$t3,$sigma1[2])',
'&vpsrlq ($t3,$t3,$sigma1[0])',
'&vpxor ($t2,$t2,$t3);',
'&vpsrlq ($t3,$t3,$sigma1[1]-$sigma1[0])',
'&vpxor ($t2,$t2,$t3)',
'&vpshufb ($t2,$t2,$t5)',
'&vpaddd (@X[0],@X[0],$t2)' # X[2..3] += sigma1(X[16..17])
);
}
sub AVX_256_00_47 () {
my $j = shift;
my $body = shift;
my @X = @_;
my @insns = (&$body,&$body,&$body,&$body); # 104 instructions
foreach (Xupdate_256_AVX()) { # 29 instructions
eval;
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
}
&vpaddd ($t2,@X[0],16*$j."($Tbl)");
foreach (@insns) { eval; } # remaining instructions
&vmovdqa (16*$j."(%rsp)",$t2);
}
for ($i=0,$j=0; $j<4; $j++) {
&AVX_256_00_47($j,\&body_00_15,@X);
push(@X,shift(@X)); # rotate(@X)
}
&cmpb ($SZ-1+16*$SZ."($Tbl)",0);
&jne (".Lavx_00_47");
for ($i=0; $i<16; ) {
foreach(body_00_15()) { eval; }
}
} else { # SHA512
my @X = map("%xmm$_",(0..7));
my ($t0,$t1,$t2,$t3) = map("%xmm$_",(8..11));
$code.=<<___;
jmp .Lloop_avx
.align 16
.Lloop_avx:
vmovdqa $TABLE+`$SZ*$rounds`(%rip),$t3
vmovdqu 0x00($inp),@X[0]
lea $TABLE(%rip),$Tbl
vmovdqu 0x10($inp),@X[1]
vmovdqu 0x20($inp),@X[2]
vpshufb $t3,@X[0],@X[0]
vmovdqu 0x30($inp),@X[3]
vpshufb $t3,@X[1],@X[1]
vmovdqu 0x40($inp),@X[4]
vpshufb $t3,@X[2],@X[2]
vmovdqu 0x50($inp),@X[5]
vpshufb $t3,@X[3],@X[3]
vmovdqu 0x60($inp),@X[6]
vpshufb $t3,@X[4],@X[4]
vmovdqu 0x70($inp),@X[7]
vpshufb $t3,@X[5],@X[5]
vpaddq 0x00($Tbl),@X[0],$t0
vpshufb $t3,@X[6],@X[6]
vpaddq 0x10($Tbl),@X[1],$t1
vpshufb $t3,@X[7],@X[7]
vpaddq 0x20($Tbl),@X[2],$t2
vpaddq 0x30($Tbl),@X[3],$t3
vmovdqa $t0,0x00(%rsp)
vpaddq 0x40($Tbl),@X[4],$t0
vmovdqa $t1,0x10(%rsp)
vpaddq 0x50($Tbl),@X[5],$t1
vmovdqa $t2,0x20(%rsp)
vpaddq 0x60($Tbl),@X[6],$t2
vmovdqa $t3,0x30(%rsp)
vpaddq 0x70($Tbl),@X[7],$t3
vmovdqa $t0,0x40(%rsp)
mov $A,$a1
vmovdqa $t1,0x50(%rsp)
mov $B,$a3
vmovdqa $t2,0x60(%rsp)
xor $C,$a3 # magic
vmovdqa $t3,0x70(%rsp)
mov $E,$a0
jmp .Lavx_00_47
.align 16
.Lavx_00_47:
add \$16*$SZ,$Tbl
___
sub Xupdate_512_AVX () {
(
'&vpalignr ($t0,@X[1],@X[0],$SZ)', # X[1..2]
'&vpalignr ($t3,@X[5],@X[4],$SZ)', # X[9..10]
'&vpsrlq ($t2,$t0,$sigma0[0]);',
'&vpaddq (@X[0],@X[0],$t3)', # X[0..1] += X[9..10]
'&vpsrlq ($t3,$t0,$sigma0[2])',
'&vpsllq ($t1,$t0,8*$SZ-$sigma0[1]);',
'&vpxor ($t0,$t3,$t2)',
'&vpsrlq ($t2,$t2,$sigma0[1]-$sigma0[0]);',
'&vpxor ($t0,$t0,$t1)',
'&vpsllq ($t1,$t1,$sigma0[1]-$sigma0[0]);',
'&vpxor ($t0,$t0,$t2)',
'&vpsrlq ($t3,@X[7],$sigma1[2]);',
'&vpxor ($t0,$t0,$t1)', # sigma0(X[1..2])
'&vpsllq ($t2,@X[7],8*$SZ-$sigma1[1])',
'&vpaddq (@X[0],@X[0],$t0)', # X[0..1] += sigma0(X[1..2])
'&vpsrlq ($t1,@X[7],$sigma1[0]);',
'&vpxor ($t3,$t3,$t2)',
'&vpsllq ($t2,$t2,$sigma1[1]-$sigma1[0]);',
'&vpxor ($t3,$t3,$t1)',
'&vpsrlq ($t1,$t1,$sigma1[1]-$sigma1[0]);',
'&vpxor ($t3,$t3,$t2)',
'&vpxor ($t3,$t3,$t1)', # sigma1(X[14..15])
'&vpaddq (@X[0],@X[0],$t3)', # X[0..1] += sigma1(X[14..15])
);
}
sub AVX_512_00_47 () {
my $j = shift;
my $body = shift;
my @X = @_;
my @insns = (&$body,&$body); # 52 instructions
foreach (Xupdate_512_AVX()) { # 23 instructions
eval;
eval(shift(@insns));
eval(shift(@insns));
}
&vpaddq ($t2,@X[0],16*$j."($Tbl)");
foreach (@insns) { eval; } # remaining instructions
&vmovdqa (16*$j."(%rsp)",$t2);
}
for ($i=0,$j=0; $j<8; $j++) {
&AVX_512_00_47($j,\&body_00_15,@X);
push(@X,shift(@X)); # rotate(@X)
}
&cmpb ($SZ-1+16*$SZ."($Tbl)",0);
&jne (".Lavx_00_47");
for ($i=0; $i<16; ) {
foreach(body_00_15()) { eval; }
}
}
$code.=<<___;
mov $_ctx,$ctx
mov $a1,$A
add $SZ*0($ctx),$A
lea 16*$SZ($inp),$inp
add $SZ*1($ctx),$B
add $SZ*2($ctx),$C
add $SZ*3($ctx),$D
add $SZ*4($ctx),$E
add $SZ*5($ctx),$F
add $SZ*6($ctx),$G
add $SZ*7($ctx),$H
cmp $_end,$inp
mov $A,$SZ*0($ctx)
mov $B,$SZ*1($ctx)
mov $C,$SZ*2($ctx)
mov $D,$SZ*3($ctx)
mov $E,$SZ*4($ctx)
mov $F,$SZ*5($ctx)
mov $G,$SZ*6($ctx)
mov $H,$SZ*7($ctx)
jb .Lloop_avx
mov $_rsp,%rsi
vzeroall
___
$code.=<<___ if ($win64);
movaps 16*$SZ+32(%rsp),%xmm6
movaps 16*$SZ+48(%rsp),%xmm7
movaps 16*$SZ+64(%rsp),%xmm8
movaps 16*$SZ+80(%rsp),%xmm9
___
$code.=<<___ if ($win64 && $SZ>4);
movaps 16*$SZ+96(%rsp),%xmm10
movaps 16*$SZ+112(%rsp),%xmm11
___
$code.=<<___;
mov (%rsi),%r15
mov 8(%rsi),%r14
mov 16(%rsi),%r13
mov 24(%rsi),%r12
mov 32(%rsi),%rbp
mov 40(%rsi),%rbx
lea 48(%rsi),%rsp
.Lepilogue_avx:
ret
.size ${func}_avx,.-${func}_avx
___
}}}}}
# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
# CONTEXT *context,DISPATCHER_CONTEXT *disp)
if ($win64) {
......@@ -376,16 +1532,22 @@ se_handler:
mov 120($context),%rax # pull context->Rax
mov 248($context),%rbx # pull context->Rip
lea .Lprologue(%rip),%r10
cmp %r10,%rbx # context->Rip<.Lprologue
mov 8($disp),%rsi # disp->ImageBase
mov 56($disp),%r11 # disp->HanderlData
mov 0(%r11),%r10d # HandlerData[0]
lea (%rsi,%r10),%r10 # prologue label
cmp %r10,%rbx # context->Rip<prologue label
jb .Lin_prologue
mov 152($context),%rax # pull context->Rsp
lea .Lepilogue(%rip),%r10
cmp %r10,%rbx # context->Rip>=.Lepilogue
mov 4(%r11),%r10d # HandlerData[1]
lea (%rsi,%r10),%r10 # epilogue label
cmp %r10,%rbx # context->Rip>=epilogue label
jae .Lin_prologue
mov %rax,%rsi # put aside Rsp
mov 16*$SZ+3*8(%rax),%rax # pull $_rsp
lea 48(%rax),%rax
......@@ -402,6 +1564,15 @@ se_handler:
mov %r14,232($context) # restore context->R14
mov %r15,240($context) # restore context->R15
lea .Lepilogue(%rip),%r10
cmp %r10,%rbx
jb .Lin_prologue # non-AVX code
lea 16*$SZ+4*8(%rsi),%rsi # Xmm6- save area
lea 512($context),%rdi # &context.Xmm6
mov \$`$SZ==4?8:12`,%ecx
.long 0xa548f3fc # cld; rep movsq
.Lin_prologue:
mov 8(%rax),%rdi
mov 16(%rax),%rsi
......@@ -447,12 +1618,47 @@ se_handler:
.rva .LSEH_begin_$func
.rva .LSEH_end_$func
.rva .LSEH_info_$func
___
$code.=<<___ if ($SZ==4);
.rva .LSEH_begin_${func}_ssse3
.rva .LSEH_end_${func}_ssse3
.rva .LSEH_info_${func}_ssse3
___
$code.=<<___ if ($avx && $SZ==8);
.rva .LSEH_begin_${func}_xop
.rva .LSEH_end_${func}_xop
.rva .LSEH_info_${func}_xop
___
$code.=<<___ if ($avx);
.rva .LSEH_begin_${func}_avx
.rva .LSEH_end_${func}_avx
.rva .LSEH_info_${func}_xop
___
$code.=<<___;
.section .xdata
.align 8
.LSEH_info_$func:
.byte 9,0,0,0
.rva se_handler
.rva .Lprologue,.Lepilogue # HandlerData[]
___
$code.=<<___ if ($SZ==4);
.LSEH_info_${func}_ssse3:
.byte 9,0,0,0
.rva se_handler
.rva .Lprologue_ssse3,.Lepilogue_ssse3 # HandlerData[]
___
$code.=<<___ if ($avx && $SZ==8);
.LSEH_info_${func}_xop:
.byte 9,0,0,0
.rva se_handler
.rva .Lprologue_xop,.Lepilogue_xop # HandlerData[]
___
$code.=<<___ if ($avx);
.LSEH_info_${func}_avx:
.byte 9,0,0,0
.rva se_handler
.rva .Lprologue_avx,.Lepilogue_avx # HandlerData[]
___
}
......
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