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提交 f3eac74b 编写于 作者: A Andy Polyakov
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sha256-586.pl: add AVX and XOP code paths.

上级 3a9b3852
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Showing with 440 addition and 8 deletion
crypto/sha/asm/sha256-586.pl
浏览文件 @ f3eac74b
......@@ -22,18 +22,22 @@
# on P4, where it kills performance, nor Sandy Bridge, where folded
# loop is approximately as fast...
#
# June 2012.
#
# Add AMD XOP-specific code path, >30% improvement on Bulldozer over
# May version, >60% over original. Add AVX+shrd code path, >25%
# improvement on Sandy Bridge over May version, 60% over original.
#
# Performance in clock cycles per processed byte (less is better):
#
# PIII P4 AMD K8 Core2 SB(**) Atom Bldzr
# PIII P4 AMD K8 Core2 SB Atom Bldzr
# gcc 36 41 27 26 25 50 36
# icc 33 38 25 23 - - -
# x86 asm(*) 27/24 28 19/15.5 18/15.6 16(**) 30/25 27/22
# x86_64 asm(***) 17.5 15 15.5 17.5 23 21
# x86 asm(*) 27/24 28 19/15.5 18/15.6 12.5 30/25 16.6
# x86_64 asm(**) 17.5 15 15.5 17.5 23 21
#
# (*) numbers after slash are for unrolled loop, where available;
# (**) for Sandy Bridge executing code path with ror replaced with
# equivalent shrd;
# (***) x86_64 assembly performance is presented for reference
# (**) x86_64 assembly performance is presented for reference
# purposes.
$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
......@@ -42,6 +46,22 @@ require "x86asm.pl";
&asm_init($ARGV[0],"sha512-586.pl",$ARGV[$#ARGV] eq "386");
$xmm=$ymm=0;
for (@ARGV) { $xmm=1 if (/-DOPENSSL_IA32_SSE2/); }
$ymm=1 if ($xmm &&
`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1`
=~ /GNU assembler version ([2-9]\.[0-9]+)/ &&
$1>=2.19); # first version supporting AVX
$ymm=1 if ($xmm && !$ymm && $ARGV[0] eq "win32n" &&
`nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/ &&
$1>=2.03); # first version supporting AVX
$ymm=1 if ($xmm && !$ymm && $ARGV[0] eq "win32" &&
`ml 2>&1` =~ /Version ([0-9]+)\./ &&
$1>=10); # first version supporting AVX
$unroll_after = 64*4; # If pre-evicted from L1P cache first spin of
# fully unrolled loop was measured to run about
# 3-4x slower. If slowdown coefficient is N and
......@@ -160,11 +180,14 @@ sub BODY_00_15() {
&mov ("edx",&DWP(4,"edx"));
&test ("ecx",1<<20); # check for P4
&jnz (&label("loop"));
&test ("edx",1<<11); # check for XOP
&jnz (&label("XOP"));
&and ("ecx",1<<30); # mask "Intel CPU" bit
&and ("edx",1<<28); # mask AVX bit
&or ("ecx","edx");
&cmp ("ecx",1<<28|1<<30);
&je (&label("loop_shrd"));
&je (&label("AVX")) if ($ymm);
&je (&label("loop_shrd")) if (!$ymm);
if ($unroll_after) {
&sub ("eax","edi");
&cmp ("eax",$unroll_after);
......@@ -268,7 +291,7 @@ my $suffix=shift;
&COMPACT_LOOP();
&mov ("esp",&DWP(12,"esp")); # restore sp
&function_end_A();
if (!$i386) {
if (!$i386 && !$ymm) {
# ~20% improvement on Sandy Bridge
local *ror = sub { &shrd(@_[0],@_) };
&COMPACT_LOOP("_shrd");
......@@ -448,6 +471,415 @@ my @AH=($A,$K256);
&mov ("esp",&DWP(96+12,"esp")); # restore sp
&function_end_A();
if ($ymm) {{{
my @X = map("xmm$_",(0..3));
my ($t0,$t1,$t2,$t3) = map("xmm$_",(4..7));
my @AH = ($A,$T);
&set_label("XOP",16);
&lea ("esp",&DWP(-96,"esp"));
&vzeroall ();
# copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack
&mov ($AH[0],&DWP(0,"esi"));
&mov ($AH[1],&DWP(4,"esi"));
&mov ("ecx",&DWP(8,"esi"));
&mov ("edi",&DWP(12,"esi"));
#&mov (&DWP(0,"esp"),$AH[0]);
&mov (&DWP(4,"esp"),$AH[1]);
&xor ($AH[1],"ecx"); # magic
&mov (&DWP(8,"esp"),"ecx");
&mov (&DWP(12,"esp"),"edi");
&mov ($E,&DWP(16,"esi"));
&mov ("edi",&DWP(20,"esi"));
&mov ("ecx",&DWP(24,"esi"));
&mov ("esi",&DWP(28,"esi"));
#&mov (&DWP(16,"esp"),$E);
&mov (&DWP(20,"esp"),"edi");
&mov ("edi",&DWP(96+4,"esp")); # inp
&mov (&DWP(24,"esp"),"ecx");
&mov (&DWP(28,"esp"),"esi");
&vmovdqa ($t3,&DWP(256,$K256));
&jmp (&label("grand_xop"));
&set_label("grand_xop",16);
# load input, reverse byte order, add K256[0..15], save to stack
&vmovdqu (@X[0],&QWP(0,"edi"));
&vmovdqu (@X[1],&QWP(16,"edi"));
&vmovdqu (@X[2],&QWP(32,"edi"));
&vmovdqu (@X[3],&QWP(48,"edi"));
&add ("edi",64);
&vpshufb (@X[0],@X[0],$t3);
&mov (&DWP(96+4,"esp"),"edi");
&vpshufb (@X[1],@X[1],$t3);
&vpshufb (@X[2],@X[2],$t3);
&vpaddd ($t0,@X[0],&QWP(0,$K256));
&vpshufb (@X[3],@X[3],$t3);
&vpaddd ($t1,@X[1],&QWP(16,$K256));
&vpaddd ($t2,@X[2],&QWP(32,$K256));
&vpaddd ($t3,@X[3],&QWP(48,$K256));
&vmovdqa (&QWP(32+0,"esp"),$t0);
&vmovdqa (&QWP(32+16,"esp"),$t1);
&vmovdqa (&QWP(32+32,"esp"),$t2);
&vmovdqa (&QWP(32+48,"esp"),$t3);
&jmp (&label("xop_00_47"));
&set_label("xop_00_47",16);
&add ($K256,64);
sub XOP_00_47 () {
my $j = shift;
my $body = shift;
my @X = @_;
my @insns = (&$body,&$body,&$body,&$body); # 120 instructions
&vpalignr ($t0,@X[1],@X[0],4); # X[1..4]
eval(shift(@insns));
eval(shift(@insns));
&vpalignr ($t3,@X[3],@X[2],4); # X[9..12]
eval(shift(@insns));
eval(shift(@insns));
&vprotd ($t1,$t0,14);
eval(shift(@insns));
eval(shift(@insns));
&vpsrld ($t0,$t0,3);
&vpaddd (@X[0],@X[0],$t3); # X[0..3] += X[9..12]
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vprotd ($t2,$t1,25-14);
&vpxor ($t0,$t0,$t1);
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
&vprotd ($t3,@X[3],13);
&vpxor ($t0,$t0,$t2); # sigma0(X[1..4])
eval(shift(@insns));
eval(shift(@insns));
&vpsrld ($t2,@X[3],10);
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,$t3,15-13);
&vpxor ($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 ($t3,@X[0],13);
eval(shift(@insns));
eval(shift(@insns));
&vpsrld ($t2,@X[0],10);
eval(shift(@insns));
eval(shift(@insns));
&vprotd ($t1,$t3,15-13);
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],&QWP(16*$j,$K256));
foreach (@insns) { eval; } # remaining instructions
&vmovdqa (&QWP(32+16*$j,"esp"),$t2);
}
sub body_00_15 () {
(
'&mov ("ecx",$E);',
'&mov ("esi",&off($f));',
'&ror ($E,25-11);',
'&mov ("edi",&off($g));',
'&xor ($E,"ecx");',
'&xor ("esi","edi");',
'&ror ($E,11-6);',
'&and ("esi","ecx");',
'&mov (&off($e),"ecx");', # save $E, modulo-scheduled
'&xor ($E,"ecx");',
'&xor ("edi","esi");', # Ch(e,f,g)
'&ror ($E,6);', # T = Sigma1(e)
'&mov ("ecx",$AH[0]);',
'&mov ("esi",$AH[0]);',
'&add ($E,&off($h));', # T += h
'&ror ("ecx",22-13);',
'&add ($E,"edi");', # T += Ch(e,f,g)
'&mov ("edi",&off($b));',
'&xor ("ecx",$AH[0]);',
'&mov (&off($a),$AH[0]);', # save $A, modulo-scheduled
'&xor ($AH[0],"edi");', # a ^= b, (b^c) in next round
'&ror ("ecx",13-2);',
'&and ($AH[1],$AH[0]);', # (b^c) &= (a^b)
'&add ($E,&DWP(32+4*($i&15),"esp"));', # T += K[i]+X[i]
'&xor ("ecx","esi");',
'&xor ($AH[1],"edi");', # h = Maj(a,b,c) = Ch(a^b,c,b)
'&ror ("ecx",2);', # Sigma0(a)
'&add ($AH[1],$E);', # h += T
'&add ($E,&off($d));', # d += T
'&add ($AH[1],"ecx");'. # h += Sigma0(a)
'@AH = reverse(@AH); $i++;' # rotate(a,h)
);
}
for ($i=0,$j=0; $j<4; $j++) {
&XOP_00_47($j,\&body_00_15,@X);
push(@X,shift(@X)); # rotate(@X)
}
&cmp (&DWP(16*$j,$K256),0x00010203);
&jne (&label("xop_00_47"));
for ($i=0; $i<16; ) {
foreach(body_00_15()) { eval; }
}
&mov ("esi",&DWP(96,"esp")); #ctx
#&mov ($AH[0],&DWP(0,"esp"));
&xor ($AH[1],"edi"); #&mov ($AH[1],&DWP(4,"esp"));
#&mov ("edi", &DWP(8,"esp"));
&mov ("ecx",&DWP(12,"esp"));
&add ($AH[0],&DWP(0,"esi"));
&add ($AH[1],&DWP(4,"esi"));
&add ("edi",&DWP(8,"esi"));
&add ("ecx",&DWP(12,"esi"));
&mov (&DWP(0,"esi"),$AH[0]);
&mov (&DWP(4,"esi"),$AH[1]);
&mov (&DWP(8,"esi"),"edi");
&mov (&DWP(12,"esi"),"ecx");
#&mov (&DWP(0,"esp"),$AH[0]);
&mov (&DWP(4,"esp"),$AH[1]);
&xor ($AH[1],"edi"); # magic
&mov (&DWP(8,"esp"),"edi");
&mov (&DWP(12,"esp"),"ecx");
#&mov ($E,&DWP(16,"esp"));
&mov ("edi",&DWP(20,"esp"));
&mov ("ecx",&DWP(24,"esp"));
&add ($E,&DWP(16,"esi"));
&add ("edi",&DWP(20,"esi"));
&add ("ecx",&DWP(24,"esi"));
&mov (&DWP(16,"esi"),$E);
&mov (&DWP(20,"esi"),"edi");
&mov (&DWP(20,"esp"),"edi");
&mov ("edi",&DWP(28,"esp"));
&mov (&DWP(24,"esi"),"ecx");
#&mov (&DWP(16,"esp"),$E);
&add ("edi",&DWP(28,"esi"));
&mov (&DWP(24,"esp"),"ecx");
&mov (&DWP(28,"esi"),"edi");
&mov (&DWP(28,"esp"),"edi");
&mov ("edi",&DWP(96+4,"esp")); # inp
&vmovdqa ($t3,&QWP(64,$K256));
&sub ($K256,3*64); # rewind K
&cmp ("edi",&DWP(96+8,"esp")); # are we done yet?
&jb (&label("grand_xop"));
&mov ("esp",&DWP(96+12,"esp")); # restore sp
&vzeroall ();
&function_end_A();
&set_label("AVX",16);
&lea ("esp",&DWP(-96,"esp"));
&vzeroall ();
# copy ctx->h[0-7] to A,B,C,D,E,F,G,H on stack
&mov ($AH[0],&DWP(0,"esi"));
&mov ($AH[1],&DWP(4,"esi"));
&mov ("ecx",&DWP(8,"esi"));
&mov ("edi",&DWP(12,"esi"));
#&mov (&DWP(0,"esp"),$AH[0]);
&mov (&DWP(4,"esp"),$AH[1]);
&xor ($AH[1],"ecx"); # magic
&mov (&DWP(8,"esp"),"ecx");
&mov (&DWP(12,"esp"),"edi");
&mov ($E,&DWP(16,"esi"));
&mov ("edi",&DWP(20,"esi"));
&mov ("ecx",&DWP(24,"esi"));
&mov ("esi",&DWP(28,"esi"));
#&mov (&DWP(16,"esp"),$E);
&mov (&DWP(20,"esp"),"edi");
&mov ("edi",&DWP(96+4,"esp")); # inp
&mov (&DWP(24,"esp"),"ecx");
&mov (&DWP(28,"esp"),"esi");
&vmovdqa ($t3,&DWP(256,$K256));
&jmp (&label("grand_avx"));
&set_label("grand_avx",16);
# load input, reverse byte order, add K256[0..15], save to stack
&vmovdqu (@X[0],&QWP(0,"edi"));
&vmovdqu (@X[1],&QWP(16,"edi"));
&vmovdqu (@X[2],&QWP(32,"edi"));
&vmovdqu (@X[3],&QWP(48,"edi"));
&add ("edi",64);
&vpshufb (@X[0],@X[0],$t3);
&mov (&DWP(96+4,"esp"),"edi");
&vpshufb (@X[1],@X[1],$t3);
&vpshufb (@X[2],@X[2],$t3);
&vpaddd ($t0,@X[0],&QWP(0,$K256));
&vpshufb (@X[3],@X[3],$t3);
&vpaddd ($t1,@X[1],&QWP(16,$K256));
&vpaddd ($t2,@X[2],&QWP(32,$K256));
&vpaddd ($t3,@X[3],&QWP(48,$K256));
&vmovdqa (&QWP(32+0,"esp"),$t0);
&vmovdqa (&QWP(32+16,"esp"),$t1);
&vmovdqa (&QWP(32+32,"esp"),$t2);
&vmovdqa (&QWP(32+48,"esp"),$t3);
&jmp (&label("avx_00_47"));
&set_label("avx_00_47",16);
&add ($K256,64);
sub Xupdate_AVX () {
(
'&vpalignr ($t0,@X[1],@X[0],4);', # X[1..4]
'&vpalignr ($t3,@X[3],@X[2],4);', # X[9..12]
'&vpsrld ($t2,$t0,7);',
'&vpaddd (@X[0],@X[0],$t3);', # X[0..3] += X[9..16]
'&vpsrld ($t3,$t0,3);',
'&vpslld ($t1,$t0,14);',
'&vpxor ($t0,$t3,$t2);',
'&vpsrld ($t2,$t2,18-7);',
'&vpxor ($t0,$t0,$t1);',
'&vpslld ($t1,$t1,25-14);',
'&vpxor ($t0,$t0,$t2);',
'&vpsrld ($t3,@X[3],10);',
'&vpxor ($t0,$t0,$t1);', # sigma0(X[1..4])
'&vpslld ($t2,@X[3],13);',
'&vpaddd (@X[0],@X[0],$t0);', # X[0..3] += sigma0(X[1..4])
'&vpsrld ($t1,@X[3],17);',
'&vpxor ($t3,$t3,$t2);',
'&vpslld ($t2,$t2,15-13);',
'&vpxor ($t3,$t3,$t1);',
'&vpsrld ($t1,$t1,19-17);',
'&vpxor ($t3,$t3,$t2);',
'&vpxor ($t3,$t3,$t1);', # sigma1(X[14..15])
'&vpsrldq ($t3,$t3,8);',
'&vpaddd (@X[0],@X[0],$t3);', # X[0..1] += sigma1(X[14..15])
'&vpsrld ($t3,@X[0],10);',
'&vpslld ($t2,@X[0],13);',
'&vpsrld ($t1,@X[0],17);',
'&vpxor ($t3,$t3,$t2);',
'&vpslld ($t2,$t2,15-13);',
'&vpxor ($t3,$t3,$t1);',
'&vpsrld ($t1,$t1,19-17);',
'&vpxor ($t3,$t3,$t2);',
'&vpxor ($t3,$t3,$t1);', # sigma1(X[16..17])
'&vpslldq ($t3,$t3,8);',
'&vpaddd (@X[0],@X[0],$t3);' # X[2..3] += sigma1(X[16..17])
);
}
local *ror = sub { &shrd(@_[0],@_) };
sub AVX_00_47 () {
my $j = shift;
my $body = shift;
my @X = @_;
my @insns = (&$body,&$body,&$body,&$body); # 120 instructions
foreach (Xupdate_AVX()) { # 35 instructions
eval;
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
}
&vpaddd ($t2,@X[0],&QWP(16*$j,$K256));
foreach (@insns) { eval; } # remaining instructions
&vmovdqa (&QWP(32+16*$j,"esp"),$t2);
}
for ($i=0,$j=0; $j<4; $j++) {
&AVX_00_47($j,\&body_00_15,@X);
push(@X,shift(@X)); # rotate(@X)
}
&cmp (&DWP(16*$j,$K256),0x00010203);
&jne (&label("avx_00_47"));
for ($i=0; $i<16; ) {
foreach(body_00_15()) { eval; }
}
&mov ("esi",&DWP(96,"esp")); #ctx
#&mov ($AH[0],&DWP(0,"esp"));
&xor ($AH[1],"edi"); #&mov ($AH[1],&DWP(4,"esp"));
#&mov ("edi", &DWP(8,"esp"));
&mov ("ecx",&DWP(12,"esp"));
&add ($AH[0],&DWP(0,"esi"));
&add ($AH[1],&DWP(4,"esi"));
&add ("edi",&DWP(8,"esi"));
&add ("ecx",&DWP(12,"esi"));
&mov (&DWP(0,"esi"),$AH[0]);
&mov (&DWP(4,"esi"),$AH[1]);
&mov (&DWP(8,"esi"),"edi");
&mov (&DWP(12,"esi"),"ecx");
#&mov (&DWP(0,"esp"),$AH[0]);
&mov (&DWP(4,"esp"),$AH[1]);
&xor ($AH[1],"edi"); # magic
&mov (&DWP(8,"esp"),"edi");
&mov (&DWP(12,"esp"),"ecx");
#&mov ($E,&DWP(16,"esp"));
&mov ("edi",&DWP(20,"esp"));
&mov ("ecx",&DWP(24,"esp"));
&add ($E,&DWP(16,"esi"));
&add ("edi",&DWP(20,"esi"));
&add ("ecx",&DWP(24,"esi"));
&mov (&DWP(16,"esi"),$E);
&mov (&DWP(20,"esi"),"edi");
&mov (&DWP(20,"esp"),"edi");
&mov ("edi",&DWP(28,"esp"));
&mov (&DWP(24,"esi"),"ecx");
#&mov (&DWP(16,"esp"),$E);
&add ("edi",&DWP(28,"esi"));
&mov (&DWP(24,"esp"),"ecx");
&mov (&DWP(28,"esi"),"edi");
&mov (&DWP(28,"esp"),"edi");
&mov ("edi",&DWP(96+4,"esp")); # inp
&vmovdqa ($t3,&QWP(64,$K256));
&sub ($K256,3*64); # rewind K
&cmp ("edi",&DWP(96+8,"esp")); # are we done yet?
&jb (&label("grand_avx"));
&mov ("esp",&DWP(96+12,"esp")); # restore sp
&vzeroall ();
&function_end_A();
}}}
}
&function_end_B("sha256_block_data_order");
&asciz("SHA256 block transform for x86, CRYPTOGAMS by <appro\@openssl.org>");
......
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