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-rw-r--r--openssl/crypto/sha/asm/sha1-586.pl357
1 files changed, 302 insertions, 55 deletions
diff --git a/openssl/crypto/sha/asm/sha1-586.pl b/openssl/crypto/sha/asm/sha1-586.pl
index 1084d227f..8377299b1 100644
--- a/openssl/crypto/sha/asm/sha1-586.pl
+++ b/openssl/crypto/sha/asm/sha1-586.pl
@@ -1,7 +1,7 @@
#!/usr/bin/env perl
# ====================================================================
-# [Re]written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
+# [Re]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/.
@@ -79,6 +79,10 @@
# strongly, it's probably more appropriate to discuss possibility of
# using vector rotate XOP on AMD...
+# March 2014.
+#
+# Add support for Intel SHA Extensions.
+
######################################################################
# Current performance is summarized in following table. Numbers are
# CPU clock cycles spent to process single byte (less is better).
@@ -88,13 +92,20 @@
# PIII 11.5 -
# P4 10.6 -
# AMD K8 7.1 -
-# Core2 7.3 6.1/+20% -
-# Atom 12.5 9.5(*)/+32% -
-# Westmere 7.3 5.6/+30% -
-# Sandy Bridge 8.8 6.2/+40% 5.1(**)/+70%
+# Core2 7.3 6.0/+22% -
+# Westmere 7.3 5.5/+33% -
+# Sandy Bridge 8.8 6.2/+40% 5.1(**)/+73%
+# Ivy Bridge 7.2 4.8/+51% 4.7(**)/+53%
+# Haswell 6.5 4.3/+51% 4.1(**)/+58%
+# Bulldozer 11.6 6.0/+92%
+# VIA Nano 10.6 7.5/+41%
+# Atom 12.5 9.3(*)/+35%
+# Silvermont 14.5 9.9(*)/+46%
#
# (*) Loop is 1056 instructions long and expected result is ~8.25.
-# It remains mystery [to me] why ILP is limited to 1.7.
+# The discrepancy is because of front-end limitations, so
+# called MS-ROM penalties, and on Silvermont even rotate's
+# limited parallelism.
#
# (**) As per above comment, the result is for AVX *plus* sh[rl]d.
@@ -116,6 +127,15 @@ $ymm=1 if ($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]+)\./ &&
+ $1>=10); # first version supporting AVX
+
+$ymm=1 if ($xmm && !$ymm && `$ENV{CC} -v 2>&1` =~ /(^clang version|based on LLVM) ([3-9]\.[0-9]+)/ &&
+ $2>=3.0); # first version supporting AVX
+
+$shaext=$xmm; ### set to zero if compiling for 1.0.1
+
&external_label("OPENSSL_ia32cap_P") if ($xmm);
@@ -295,6 +315,7 @@ if ($alt) {
&function_begin("sha1_block_data_order");
if ($xmm) {
+ &static_label("shaext_shortcut") if ($shaext);
&static_label("ssse3_shortcut");
&static_label("avx_shortcut") if ($ymm);
&static_label("K_XX_XX");
@@ -309,8 +330,13 @@ if ($xmm) {
&mov ($D,&DWP(4,$T));
&test ($D,1<<9); # check SSSE3 bit
&jz (&label("x86"));
+ &mov ($C,&DWP(8,$T));
&test ($A,1<<24); # check FXSR bit
&jz (&label("x86"));
+ if ($shaext) {
+ &test ($C,1<<29); # check SHA bit
+ &jnz (&label("shaext_shortcut"));
+ }
if ($ymm) {
&and ($D,1<<28); # mask AVX bit
&and ($A,1<<30); # mask "Intel CPU" bit
@@ -389,6 +415,117 @@ if ($xmm) {
&function_end("sha1_block_data_order");
if ($xmm) {
+if ($shaext) {
+######################################################################
+# Intel SHA Extensions implementation of SHA1 update function.
+#
+my ($ctx,$inp,$num)=("edi","esi","ecx");
+my ($ABCD,$E,$E_,$BSWAP)=map("xmm$_",(0..3));
+my @MSG=map("xmm$_",(4..7));
+
+sub sha1rnds4 {
+ my ($dst,$src,$imm)=@_;
+ if ("$dst:$src" =~ /xmm([0-7]):xmm([0-7])/)
+ { &data_byte(0x0f,0x3a,0xcc,0xc0|($1<<3)|$2,$imm); }
+}
+sub sha1op38 {
+ my ($opcodelet,$dst,$src)=@_;
+ if ("$dst:$src" =~ /xmm([0-7]):xmm([0-7])/)
+ { &data_byte(0x0f,0x38,$opcodelet,0xc0|($1<<3)|$2); }
+}
+sub sha1nexte { sha1op38(0xc8,@_); }
+sub sha1msg1 { sha1op38(0xc9,@_); }
+sub sha1msg2 { sha1op38(0xca,@_); }
+
+&function_begin("_sha1_block_data_order_shaext");
+ &call (&label("pic_point")); # make it PIC!
+ &set_label("pic_point");
+ &blindpop($tmp1);
+ &lea ($tmp1,&DWP(&label("K_XX_XX")."-".&label("pic_point"),$tmp1));
+&set_label("shaext_shortcut");
+ &mov ($ctx,&wparam(0));
+ &mov ("ebx","esp");
+ &mov ($inp,&wparam(1));
+ &mov ($num,&wparam(2));
+ &sub ("esp",32);
+
+ &movdqu ($ABCD,&QWP(0,$ctx));
+ &movd ($E,&QWP(16,$ctx));
+ &and ("esp",-32);
+ &movdqa ($BSWAP,&QWP(0x50,$tmp1)); # byte-n-word swap
+
+ &movdqu (@MSG[0],&QWP(0,$inp));
+ &pshufd ($ABCD,$ABCD,0b00011011); # flip word order
+ &movdqu (@MSG[1],&QWP(0x10,$inp));
+ &pshufd ($E,$E,0b00011011); # flip word order
+ &movdqu (@MSG[2],&QWP(0x20,$inp));
+ &pshufb (@MSG[0],$BSWAP);
+ &movdqu (@MSG[3],&QWP(0x30,$inp));
+ &pshufb (@MSG[1],$BSWAP);
+ &pshufb (@MSG[2],$BSWAP);
+ &pshufb (@MSG[3],$BSWAP);
+ &jmp (&label("loop_shaext"));
+
+&set_label("loop_shaext",16);
+ &dec ($num);
+ &lea ("eax",&DWP(0x40,$inp));
+ &movdqa (&QWP(0,"esp"),$E); # offload $E
+ &paddd ($E,@MSG[0]);
+ &cmovne ($inp,"eax");
+ &movdqa (&QWP(16,"esp"),$ABCD); # offload $ABCD
+
+for($i=0;$i<20-4;$i+=2) {
+ &sha1msg1 (@MSG[0],@MSG[1]);
+ &movdqa ($E_,$ABCD);
+ &sha1rnds4 ($ABCD,$E,int($i/5)); # 0-3...
+ &sha1nexte ($E_,@MSG[1]);
+ &pxor (@MSG[0],@MSG[2]);
+ &sha1msg1 (@MSG[1],@MSG[2]);
+ &sha1msg2 (@MSG[0],@MSG[3]);
+
+ &movdqa ($E,$ABCD);
+ &sha1rnds4 ($ABCD,$E_,int(($i+1)/5));
+ &sha1nexte ($E,@MSG[2]);
+ &pxor (@MSG[1],@MSG[3]);
+ &sha1msg2 (@MSG[1],@MSG[0]);
+
+ push(@MSG,shift(@MSG)); push(@MSG,shift(@MSG));
+}
+ &movdqu (@MSG[0],&QWP(0,$inp));
+ &movdqa ($E_,$ABCD);
+ &sha1rnds4 ($ABCD,$E,3); # 64-67
+ &sha1nexte ($E_,@MSG[1]);
+ &movdqu (@MSG[1],&QWP(0x10,$inp));
+ &pshufb (@MSG[0],$BSWAP);
+
+ &movdqa ($E,$ABCD);
+ &sha1rnds4 ($ABCD,$E_,3); # 68-71
+ &sha1nexte ($E,@MSG[2]);
+ &movdqu (@MSG[2],&QWP(0x20,$inp));
+ &pshufb (@MSG[1],$BSWAP);
+
+ &movdqa ($E_,$ABCD);
+ &sha1rnds4 ($ABCD,$E,3); # 72-75
+ &sha1nexte ($E_,@MSG[3]);
+ &movdqu (@MSG[3],&QWP(0x30,$inp));
+ &pshufb (@MSG[2],$BSWAP);
+
+ &movdqa ($E,$ABCD);
+ &sha1rnds4 ($ABCD,$E_,3); # 76-79
+ &movdqa ($E_,&QWP(0,"esp"));
+ &pshufb (@MSG[3],$BSWAP);
+ &sha1nexte ($E,$E_);
+ &paddd ($ABCD,&QWP(16,"esp"));
+
+ &jnz (&label("loop_shaext"));
+
+ &pshufd ($ABCD,$ABCD,0b00011011);
+ &pshufd ($E,$E,0b00011011);
+ &movdqu (&QWP(0,$ctx),$ABCD)
+ &movd (&DWP(16,$ctx),$E);
+ &mov ("esp","ebx");
+&function_end("_sha1_block_data_order_shaext");
+}
######################################################################
# The SSSE3 implementation.
#
@@ -416,6 +553,7 @@ my $Xi=4; # 4xSIMD Xupdate round, start pre-seeded
my @X=map("xmm$_",(4..7,0..3)); # pre-seeded for $Xi=4
my @V=($A,$B,$C,$D,$E);
my $j=0; # hash round
+my $rx=0;
my @T=($T,$tmp1);
my $inp;
@@ -501,8 +639,11 @@ my $_ror=sub { &ror(@_) };
&movdqa (&QWP(0+16,"esp"),@X[-3&7]);
&psubd (@X[-3&7],@X[3]);
&movdqa (&QWP(0+32,"esp"),@X[-2&7]);
+ &mov (@T[1],$C);
&psubd (@X[-2&7],@X[3]);
- &movdqa (@X[0],@X[-3&7]);
+ &xor (@T[1],$D);
+ &pshufd (@X[0],@X[-4&7],0xee); # was &movdqa (@X[0],@X[-3&7]);
+ &and (@T[0],@T[1]);
&jmp (&label("loop"));
######################################################################
@@ -528,76 +669,77 @@ sub Xupdate_ssse3_16_31() # recall that $Xi starts wtih 4
my @insns = (&$body,&$body,&$body,&$body); # 40 instructions
my ($a,$b,$c,$d,$e);
+ eval(shift(@insns)); # ror
eval(shift(@insns));
eval(shift(@insns));
- &palignr(@X[0],@X[-4&7],8); # compose "X[-14]" in "X[0]"
+ &punpcklqdq(@X[0],@X[-3&7]); # compose "X[-14]" in "X[0]", was &palignr(@X[0],@X[-4&7],8);
&movdqa (@X[2],@X[-1&7]);
eval(shift(@insns));
eval(shift(@insns));
&paddd (@X[3],@X[-1&7]);
&movdqa (&QWP(64+16*(($Xi-4)%3),"esp"),@X[-4&7]);# save X[] to backtrace buffer
- eval(shift(@insns));
+ eval(shift(@insns)); # rol
eval(shift(@insns));
&psrldq (@X[2],4); # "X[-3]", 3 dwords
eval(shift(@insns));
eval(shift(@insns));
&pxor (@X[0],@X[-4&7]); # "X[0]"^="X[-16]"
eval(shift(@insns));
- eval(shift(@insns));
+ eval(shift(@insns)); # ror
&pxor (@X[2],@X[-2&7]); # "X[-3]"^"X[-8]"
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
- eval(shift(@insns));
&pxor (@X[0],@X[2]); # "X[0]"^="X[-3]"^"X[-8]"
eval(shift(@insns));
- eval(shift(@insns));
+ eval(shift(@insns)); # rol
&movdqa (&QWP(0+16*(($Xi-1)&3),"esp"),@X[3]); # X[]+K xfer to IALU
eval(shift(@insns));
eval(shift(@insns));
&movdqa (@X[4],@X[0]);
- &movdqa (@X[2],@X[0]);
- eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns)); # ror
+ &movdqa (@X[2],@X[0]);
eval(shift(@insns));
&pslldq (@X[4],12); # "X[0]"<<96, extract one dword
&paddd (@X[0],@X[0]);
eval(shift(@insns));
eval(shift(@insns));
- eval(shift(@insns));
- eval(shift(@insns));
&psrld (@X[2],31);
eval(shift(@insns));
- eval(shift(@insns));
+ eval(shift(@insns)); # rol
&movdqa (@X[3],@X[4]);
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
&psrld (@X[4],30);
- &por (@X[0],@X[2]); # "X[0]"<<<=1
eval(shift(@insns));
+ eval(shift(@insns)); # ror
+ &por (@X[0],@X[2]); # "X[0]"<<<=1
eval(shift(@insns));
&movdqa (@X[2],&QWP(64+16*(($Xi-6)%3),"esp")) if ($Xi>5); # restore X[] from backtrace buffer
eval(shift(@insns));
eval(shift(@insns));
&pslld (@X[3],2);
- &pxor (@X[0],@X[4]);
- eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns)); # rol
+ &pxor (@X[0],@X[4]);
&movdqa (@X[4],&QWP(112-16+16*(($Xi)/5),"esp")); # K_XX_XX
eval(shift(@insns));
eval(shift(@insns));
&pxor (@X[0],@X[3]); # "X[0]"^=("X[0]"<<96)<<<2
- &movdqa (@X[1],@X[-2&7]) if ($Xi<7);
+ &pshufd (@X[1],@X[-3&7],0xee) if ($Xi<7); # was &movdqa (@X[1],@X[-2&7])
+ &pshufd (@X[3],@X[-1&7],0xee) if ($Xi==7);
eval(shift(@insns));
eval(shift(@insns));
@@ -609,13 +751,12 @@ sub Xupdate_ssse3_16_31() # recall that $Xi starts wtih 4
sub Xupdate_ssse3_32_79()
{ use integer;
my $body = shift;
- my @insns = (&$body,&$body,&$body,&$body); # 32 to 48 instructions
+ my @insns = (&$body,&$body,&$body,&$body); # 32 to 44 instructions
my ($a,$b,$c,$d,$e);
- &movdqa (@X[2],@X[-1&7]) if ($Xi==8);
eval(shift(@insns)); # body_20_39
&pxor (@X[0],@X[-4&7]); # "X[0]"="X[-32]"^"X[-16]"
- &palignr(@X[2],@X[-2&7],8); # compose "X[-6]"
+ &punpcklqdq(@X[2],@X[-1&7]); # compose "X[-6]", was &palignr(@X[2],@X[-2&7],8)
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns)); # rol
@@ -624,13 +765,14 @@ sub Xupdate_ssse3_32_79()
&movdqa (&QWP(64+16*(($Xi-4)%3),"esp"),@X[-4&7]); # save X[] to backtrace buffer
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns)) if (@insns[0] =~ /_rol/);
if ($Xi%5) {
&movdqa (@X[4],@X[3]); # "perpetuate" K_XX_XX...
} else { # ... or load next one
&movdqa (@X[4],&QWP(112-16+16*($Xi/5),"esp"));
}
- &paddd (@X[3],@X[-1&7]);
eval(shift(@insns)); # ror
+ &paddd (@X[3],@X[-1&7]);
eval(shift(@insns));
&pxor (@X[0],@X[2]); # "X[0]"^="X[-6]"
@@ -645,6 +787,7 @@ sub Xupdate_ssse3_32_79()
eval(shift(@insns));
eval(shift(@insns)); # ror
eval(shift(@insns));
+ eval(shift(@insns)) if (@insns[0] =~ /_rol/);
&pslld (@X[0],2);
eval(shift(@insns)); # body_20_39
@@ -656,6 +799,8 @@ sub Xupdate_ssse3_32_79()
eval(shift(@insns));
eval(shift(@insns)); # ror
eval(shift(@insns));
+ eval(shift(@insns)) if (@insns[1] =~ /_rol/);
+ eval(shift(@insns)) if (@insns[0] =~ /_rol/);
&por (@X[0],@X[2]); # "X[0]"<<<=2
eval(shift(@insns)); # body_20_39
@@ -666,7 +811,7 @@ sub Xupdate_ssse3_32_79()
eval(shift(@insns));
eval(shift(@insns));
eval(shift(@insns)); # ror
- &movdqa (@X[3],@X[0]) if ($Xi<19);
+ &pshufd (@X[3],@X[-1],0xee) if ($Xi<19); # was &movdqa (@X[3],@X[0])
eval(shift(@insns));
foreach (@insns) { eval; } # remaining instructions
@@ -681,6 +826,12 @@ sub Xuplast_ssse3_80()
my ($a,$b,$c,$d,$e);
eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
&paddd (@X[3],@X[-1&7]);
eval(shift(@insns));
eval(shift(@insns));
@@ -717,9 +868,16 @@ sub Xloop_ssse3()
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
&pshufb (@X[($Xi-3)&7],@X[2]);
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
&paddd (@X[($Xi-4)&7],@X[3]);
eval(shift(@insns));
eval(shift(@insns));
@@ -728,6 +886,8 @@ sub Xloop_ssse3()
&movdqa (&QWP(0+16*$Xi,"esp"),@X[($Xi-4)&7]); # X[]+K xfer to IALU
eval(shift(@insns));
eval(shift(@insns));
+ eval(shift(@insns));
+ eval(shift(@insns));
&psubd (@X[($Xi-4)&7],@X[3]);
foreach (@insns) { eval; }
@@ -743,51 +903,124 @@ sub Xtail_ssse3()
foreach (@insns) { eval; }
}
-sub body_00_19 () {
+sub body_00_19 () { # ((c^d)&b)^d
+ # on start @T[0]=(c^d)&b
+ return &body_20_39() if ($rx==19); $rx++;
(
'($a,$b,$c,$d,$e)=@V;'.
- '&add ($e,&DWP(4*($j&15),"esp"));', # X[]+K xfer
- '&xor ($c,$d);',
+ '&$_ror ($b,$j?7:2);', # $b>>>2
+ '&xor (@T[0],$d);',
'&mov (@T[1],$a);', # $b in next round
+
+ '&add ($e,&DWP(4*($j&15),"esp"));', # X[]+K xfer
+ '&xor ($b,$c);', # $c^$d for next round
+
'&$_rol ($a,5);',
- '&and (@T[0],$c);', # ($b&($c^$d))
- '&xor ($c,$d);', # restore $c
- '&xor (@T[0],$d);',
- '&add ($e,$a);',
- '&$_ror ($b,$j?7:2);', # $b>>>2
- '&add ($e,@T[0]);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
+ '&add ($e,@T[0]);',
+ '&and (@T[1],$b);', # ($b&($c^$d)) for next round
+
+ '&xor ($b,$c);', # restore $b
+ '&add ($e,$a);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
);
}
-sub body_20_39 () {
+sub body_20_39 () { # b^d^c
+ # on entry @T[0]=b^d
+ return &body_40_59() if ($rx==39); $rx++;
(
'($a,$b,$c,$d,$e)=@V;'.
- '&add ($e,&DWP(4*($j++&15),"esp"));', # X[]+K xfer
- '&xor (@T[0],$d);', # ($b^$d)
+ '&add ($e,&DWP(4*($j&15),"esp"));', # X[]+K xfer
+ '&xor (@T[0],$d) if($j==19);'.
+ '&xor (@T[0],$c) if($j> 19);', # ($b^$d^$c)
'&mov (@T[1],$a);', # $b in next round
+
'&$_rol ($a,5);',
- '&xor (@T[0],$c);', # ($b^$d^$c)
- '&add ($e,$a);',
+ '&add ($e,@T[0]);',
+ '&xor (@T[1],$c) if ($j< 79);', # $b^$d for next round
+
'&$_ror ($b,7);', # $b>>>2
- '&add ($e,@T[0]);' .'unshift(@V,pop(@V)); unshift(@T,pop(@T));'
+ '&add ($e,$a);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
);
}
-sub body_40_59 () {
+sub body_40_59 () { # ((b^c)&(c^d))^c
+ # on entry @T[0]=(b^c), (c^=d)
+ $rx++;
(
'($a,$b,$c,$d,$e)=@V;'.
- '&mov (@T[1],$c);',
- '&xor ($c,$d);',
- '&add ($e,&DWP(4*($j++&15),"esp"));', # X[]+K xfer
- '&and (@T[1],$d);',
- '&and (@T[0],$c);', # ($b&($c^$d))
+ '&add ($e,&DWP(4*($j&15),"esp"));', # X[]+K xfer
+ '&and (@T[0],$c) if ($j>=40);', # (b^c)&(c^d)
+ '&xor ($c,$d) if ($j>=40);', # restore $c
+
'&$_ror ($b,7);', # $b>>>2
- '&add ($e,@T[1]);',
- '&mov (@T[1],$a);', # $b in next round
+ '&mov (@T[1],$a);', # $b for next round
+ '&xor (@T[0],$c);',
+
'&$_rol ($a,5);',
'&add ($e,@T[0]);',
- '&xor ($c,$d);', # restore $c
- '&add ($e,$a);' .'unshift(@V,pop(@V)); unshift(@T,pop(@T));'
+ '&xor (@T[1],$c) if ($j==59);'.
+ '&xor (@T[1],$b) if ($j< 59);', # b^c for next round
+
+ '&xor ($b,$c) if ($j< 59);', # c^d for next round
+ '&add ($e,$a);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
+ );
+}
+######
+sub bodyx_00_19 () { # ((c^d)&b)^d
+ # on start @T[0]=(b&c)^(~b&d), $e+=X[]+K
+ return &bodyx_20_39() if ($rx==19); $rx++;
+ (
+ '($a,$b,$c,$d,$e)=@V;'.
+
+ '&rorx ($b,$b,2) if ($j==0);'. # $b>>>2
+ '&rorx ($b,@T[1],7) if ($j!=0);', # $b>>>2
+ '&lea ($e,&DWP(0,$e,@T[0]));',
+ '&rorx (@T[0],$a,5);',
+
+ '&andn (@T[1],$a,$c);',
+ '&and ($a,$b)',
+ '&add ($d,&DWP(4*(($j+1)&15),"esp"));', # X[]+K xfer
+
+ '&xor (@T[1],$a)',
+ '&add ($e,@T[0]);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
+ );
+}
+
+sub bodyx_20_39 () { # b^d^c
+ # on start $b=b^c^d
+ return &bodyx_40_59() if ($rx==39); $rx++;
+ (
+ '($a,$b,$c,$d,$e)=@V;'.
+
+ '&add ($e,($j==19?@T[0]:$b))',
+ '&rorx ($b,@T[1],7);', # $b>>>2
+ '&rorx (@T[0],$a,5);',
+
+ '&xor ($a,$b) if ($j<79);',
+ '&add ($d,&DWP(4*(($j+1)&15),"esp")) if ($j<79);', # X[]+K xfer
+ '&xor ($a,$c) if ($j<79);',
+ '&add ($e,@T[0]);' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
+ );
+}
+
+sub bodyx_40_59 () { # ((b^c)&(c^d))^c
+ # on start $b=((b^c)&(c^d))^c
+ return &bodyx_20_39() if ($rx==59); $rx++;
+ (
+ '($a,$b,$c,$d,$e)=@V;'.
+
+ '&rorx (@T[0],$a,5)',
+ '&lea ($e,&DWP(0,$e,$b))',
+ '&rorx ($b,@T[1],7)', # $b>>>2
+ '&add ($d,&DWP(4*(($j+1)&15),"esp"))', # X[]+K xfer
+
+ '&mov (@T[1],$c)',
+ '&xor ($a,$b)', # b^c for next round
+ '&xor (@T[1],$b)', # c^d for next round
+
+ '&and ($a,@T[1])',
+ '&add ($e,@T[0])',
+ '&xor ($a,$b)' .'$j++; unshift(@V,pop(@V)); unshift(@T,pop(@T));'
);
}
@@ -825,10 +1058,14 @@ sub body_40_59 () {
&mov (&DWP(4,@T[1]),@T[0]);
&add ($E,&DWP(16,@T[1]));
&mov (&DWP(8,@T[1]),$C);
- &mov ($B,@T[0]);
+ &mov ($B,$C);
&mov (&DWP(12,@T[1]),$D);
+ &xor ($B,$D);
&mov (&DWP(16,@T[1]),$E);
- &movdqa (@X[0],@X[-3&7]);
+ &mov (@T[1],@T[0]);
+ &pshufd (@X[0],@X[-4&7],0xee); # was &movdqa (@X[0],@X[-3&7]);
+ &and (@T[0],$B);
+ &mov ($B,$T[1]);
&jmp (&label("loop"));
@@ -853,6 +1090,8 @@ sub body_40_59 () {
&function_end("_sha1_block_data_order_ssse3");
+$rx=0; # reset
+
if ($ymm) {
my $Xi=4; # 4xSIMD Xupdate round, start pre-seeded
my @X=map("xmm$_",(4..7,0..3)); # pre-seeded for $Xi=4
@@ -940,8 +1179,11 @@ my $_ror=sub { &shrd(@_[0],@_) };
&vpaddd (@X[1],@X[-3&7],@X[3]);
&vpaddd (@X[2],@X[-2&7],@X[3]);
&vmovdqa(&QWP(0,"esp"),@X[0]); # X[]+K xfer to IALU
+ &mov (@T[1],$C);
&vmovdqa(&QWP(0+16,"esp"),@X[1]);
+ &xor (@T[1],$D);
&vmovdqa(&QWP(0+32,"esp"),@X[2]);
+ &and (@T[0],@T[1]);
&jmp (&label("loop"));
sub Xupdate_avx_16_31() # recall that $Xi starts wtih 4
@@ -1025,7 +1267,7 @@ sub Xupdate_avx_16_31() # recall that $Xi starts wtih 4
sub Xupdate_avx_32_79()
{ use integer;
my $body = shift;
- my @insns = (&$body,&$body,&$body,&$body); # 32 to 48 instructions
+ my @insns = (&$body,&$body,&$body,&$body); # 32 to 44 instructions
my ($a,$b,$c,$d,$e);
&vpalignr(@X[2],@X[-1&7],@X[-2&7],8); # compose "X[-6]"
@@ -1188,10 +1430,14 @@ sub Xtail_avx()
&add ($D,&DWP(12,@T[1]));
&mov (&DWP(4,@T[1]),@T[0]);
&add ($E,&DWP(16,@T[1]));
+ &mov ($B,$C);
&mov (&DWP(8,@T[1]),$C);
- &mov ($B,@T[0]);
+ &xor ($B,$D);
&mov (&DWP(12,@T[1]),$D);
&mov (&DWP(16,@T[1]),$E);
+ &mov (@T[1],@T[0]);
+ &and (@T[0],$B);
+ &mov ($B,@T[1]);
&jmp (&label("loop"));
@@ -1223,6 +1469,7 @@ sub Xtail_avx()
&data_word(0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc); # K_40_59
&data_word(0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6); # K_60_79
&data_word(0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f); # pbswap mask
+&data_byte(0xf,0xe,0xd,0xc,0xb,0xa,0x9,0x8,0x7,0x6,0x5,0x4,0x3,0x2,0x1,0x0);
}
&asciz("SHA1 block transform for x86, CRYPTOGAMS by <appro\@openssl.org>");