diff options
Diffstat (limited to 'crypto/sha/asm/sha256-586.pl')
| -rw-r--r-- | crypto/sha/asm/sha256-586.pl | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/crypto/sha/asm/sha256-586.pl b/crypto/sha/asm/sha256-586.pl index 8fe13bc533..4cc1576b89 100644 --- a/crypto/sha/asm/sha256-586.pl +++ b/crypto/sha/asm/sha256-586.pl @@ -45,13 +45,17 @@ $Xoff=&DWP(32,"esp"); $K256="ebp"; sub BODY_00_15() { + my $in_16_64=shift; + &mov ("ecx",$E); + &add ($T,&DWP(4*(8+15+16-9),"esp")) if ($in_16_64); # T += X[-7] &ror ("ecx",6); &mov ("edi",$E); &ror ("edi",11); &mov ("esi",$Foff); &xor ("ecx","edi"); &ror ("edi",25-11); + &mov (&DWP(4*(8+15),"esp"),$T) if ($in_16_64); # save X[0] &xor ("ecx","edi"); # Sigma1(e) &mov ("edi",$Goff); &add ($T,"ecx"); # T += Sigma1(e) @@ -88,6 +92,7 @@ sub BODY_00_15() { &add ($K256,4); &add ($A,$T); # h += T + &mov ($T,&DWP(4*(8+15+16-1),"esp")) if ($in_16_64); # preload T &add ($E,"esi"); # d += K256[i] &add ($A,"esi"); # h += K256[i] } @@ -159,10 +164,10 @@ sub BODY_00_15() { &cmp ("esi",0xc19bf174); &jne (&label("00_15")); + &mov ($T,&DWP(4*(8+15+16-1),"esp")); # preloaded in BODY_00_15(1) &set_label("16_63",16); - &mov ($T,&DWP(4*(8+15+16-1),"esp")); - &mov ("ecx",&DWP(4*(8+15+16-14),"esp")); &mov ("esi",$T); + &mov ("ecx",&DWP(4*(8+15+16-14),"esp")); &shr ($T,3); &ror ("esi",7); &xor ($T,"esi"); @@ -176,13 +181,13 @@ sub BODY_00_15() { &xor ("ecx","edi"); &ror ("edi",19-17); &add ($T,"esi"); # T += X[-16] - &xor ("ecx","edi") # sigma1(X[-2]) + &xor ("edi","ecx") # sigma1(X[-2]) - &add ($T,"ecx"); # T += sigma1(X[-2]) - &add ($T,&DWP(4*(8+15+16-9),"esp")); # T += X[-7] - &mov (&DWP(4*(8+15),"esp"),$T); # save X[0] + &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) + # &mov (&DWP(4*(8+15),"esp"),$T); # save X[0] - &BODY_00_15(); + &BODY_00_15(1); &cmp ("esi",0xc67178f2); &jne (&label("16_63")); |