diff options
Diffstat (limited to 'openssl/crypto/sha/asm/sha256-586.pl')
| -rw-r--r-- | openssl/crypto/sha/asm/sha256-586.pl | 52 |
1 files changed, 25 insertions, 27 deletions
diff --git a/openssl/crypto/sha/asm/sha256-586.pl b/openssl/crypto/sha/asm/sha256-586.pl index ecc8b69c7..928ec5312 100644 --- a/openssl/crypto/sha/asm/sha256-586.pl +++ b/openssl/crypto/sha/asm/sha256-586.pl @@ -14,8 +14,8 @@ # Pentium PIII P4 AMD K8 Core2 # gcc 46 36 41 27 26 # icc 57 33 38 25 23 -# x86 asm 40 30 35 20 20 -# x86_64 asm(*) - - 21 15.8 16.5 +# x86 asm 40 30 33 20 18 +# x86_64 asm(*) - - 21 16 16 # # (*) x86_64 assembler performance is presented for reference # purposes. @@ -48,20 +48,19 @@ sub BODY_00_15() { my $in_16_63=shift; &mov ("ecx",$E); - &add ($T,&DWP(4*(8+15+16-9),"esp")) if ($in_16_63); # T += X[-7] - &ror ("ecx",6); - &mov ("edi",$E); - &ror ("edi",11); + &add ($T,"edi") if ($in_16_63); # T += sigma1(X[-2]) + &ror ("ecx",25-11); &mov ("esi",$Foff); - &xor ("ecx","edi"); - &ror ("edi",25-11); + &xor ("ecx",$E); + &ror ("ecx",11-6); &mov (&DWP(4*(8+15),"esp"),$T) if ($in_16_63); # save X[0] - &xor ("ecx","edi"); # Sigma1(e) + &xor ("ecx",$E); + &ror ("ecx",6); # Sigma1(e) &mov ("edi",$Goff); &add ($T,"ecx"); # T += Sigma1(e) - &mov ($Eoff,$E); # modulo-scheduled &xor ("esi","edi"); + &mov ($Eoff,$E); # modulo-scheduled &mov ("ecx",$A); &and ("esi",$E); &mov ($E,$Doff); # e becomes d, which is e in next iteration @@ -69,14 +68,14 @@ sub BODY_00_15() { &mov ("edi",$A); &add ($T,"esi"); # T += Ch(e,f,g) - &ror ("ecx",2); + &ror ("ecx",22-13); &add ($T,$Hoff); # T += h - &ror ("edi",13); + &xor ("ecx",$A); + &ror ("ecx",13-2); &mov ("esi",$Boff); - &xor ("ecx","edi"); - &ror ("edi",22-13); + &xor ("ecx",$A); + &ror ("ecx",2); # Sigma0(a) &add ($E,$T); # d += T - &xor ("ecx","edi"); # Sigma0(a) &mov ("edi",$Coff); &add ($T,"ecx"); # T += Sigma0(a) @@ -168,23 +167,22 @@ sub BODY_00_15() { &set_label("16_63",16); &mov ("esi",$T); &mov ("ecx",&DWP(4*(8+15+16-14),"esp")); - &shr ($T,3); - &ror ("esi",7); - &xor ($T,"esi"); &ror ("esi",18-7); &mov ("edi","ecx"); - &xor ($T,"esi"); # T = sigma0(X[-15]) + &xor ("esi",$T); + &ror ("esi",7); + &shr ($T,3); - &shr ("ecx",10); - &mov ("esi",&DWP(4*(8+15+16),"esp")); - &ror ("edi",17); - &xor ("ecx","edi"); &ror ("edi",19-17); - &add ($T,"esi"); # T += X[-16] - &xor ("edi","ecx") # sigma1(X[-2]) + &xor ($T,"esi"); # T = sigma0(X[-15]) + &xor ("edi","ecx"); + &ror ("edi",17); + &shr ("ecx",10); + &add ($T,&DWP(4*(8+15+16),"esp")); # T += X[-16] + &xor ("edi","ecx"); # sigma1(X[-2]) - &add ($T,"edi"); # T += sigma1(X[-2]) - # &add ($T,&DWP(4*(8+15+16-9),"esp")); # T += X[-7], moved to BODY_00_15(1) + &add ($T,&DWP(4*(8+15+16-9),"esp")); # T += X[-7] + # &add ($T,"edi"); # T += sigma1(X[-2]) # &mov (&DWP(4*(8+15),"esp"),$T); # save X[0] &BODY_00_15(1); |