diff options
author | Andy Polyakov <appro@openssl.org> | 2011-09-17 11:30:28 +0000 |
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committer | Andy Polyakov <appro@openssl.org> | 2011-09-17 11:30:28 +0000 |
commit | d2fd65f6f6e1cc8a4543d5a1aa69be294a07e025 (patch) | |
tree | e514c584aa3a3a675819cfa6b611071d131dcec8 /crypto/sha/asm | |
parent | 819cf4b8868b80a929b90b44493a36d2b3b3581c (diff) |
sha512-x86_64.pl: +15% better performance on Westmere and incidentally Atom.
Other Intel processors +5%, Opteron -2%.
Diffstat (limited to 'crypto/sha/asm')
-rwxr-xr-x | crypto/sha/asm/sha512-x86_64.pl | 86 |
1 files changed, 40 insertions, 46 deletions
diff --git a/crypto/sha/asm/sha512-x86_64.pl b/crypto/sha/asm/sha512-x86_64.pl index e6643f8cf6..f611a2d898 100755 --- a/crypto/sha/asm/sha512-x86_64.pl +++ b/crypto/sha/asm/sha512-x86_64.pl @@ -95,50 +95,44 @@ sub ROUND_00_15() { my ($i,$a,$b,$c,$d,$e,$f,$g,$h) = @_; $code.=<<___; - mov $e,$a0 - mov $e,$a1 + ror \$`$Sigma1[2]-$Sigma1[1]`,$a0 mov $f,$a2 + mov $T1,`$SZ*($i&0xf)`(%rsp) - ror \$$Sigma1[0],$a0 - ror \$$Sigma1[1],$a1 + ror \$`$Sigma0[2]-$Sigma0[1]`,$a1 + xor $e,$a0 xor $g,$a2 # f^g - xor $a1,$a0 - ror \$`$Sigma1[2]-$Sigma1[1]`,$a1 + ror \$`$Sigma1[1]-$Sigma1[0]`,$a0 + add $h,$T1 # T1+=h + xor $a,$a1 + + add ($Tbl,$round,$SZ),$T1 # T1+=K[round] and $e,$a2 # (f^g)&e - mov $T1,`$SZ*($i&0xf)`(%rsp) + mov $b,$h - xor $a1,$a0 # Sigma1(e) + ror \$`$Sigma0[1]-$Sigma0[0]`,$a1 + xor $e,$a0 xor $g,$a2 # Ch(e,f,g)=((f^g)&e)^g - add $h,$T1 # T1+=h - - mov $a,$h - add $a0,$T1 # T1+=Sigma1(e) + xor $c,$h # b^c + xor $a,$a1 add $a2,$T1 # T1+=Ch(e,f,g) - mov $a,$a0 - mov $a,$a1 + mov $b,$a2 - ror \$$Sigma0[0],$h - ror \$$Sigma0[1],$a0 - mov $a,$a2 - add ($Tbl,$round,$SZ),$T1 # T1+=K[round] + ror \$$Sigma1[0],$a0 # Sigma1(e) + and $a,$h # h=(b^c)&a + and $c,$a2 # b&c - xor $a0,$h - ror \$`$Sigma0[2]-$Sigma0[1]`,$a0 - or $c,$a1 # a|c + ror \$$Sigma0[0],$a1 # Sigma0(a) + add $a0,$T1 # T1+=Sigma1(e) + add $a2,$h # h+=b&c (completes +=Maj(a,b,c) - xor $a0,$h # h=Sigma0(a) - and $c,$a2 # a&c add $T1,$d # d+=T1 - - and $b,$a1 # (a|c)&b add $T1,$h # h+=T1 - - or $a2,$a1 # Maj(a,b,c)=((a|c)&b)|(a&c) lea 1($round),$round # round++ + add $a1,$h # h+=Sigma0(a) - add $a1,$h # h+=Maj(a,b,c) ___ } @@ -147,32 +141,30 @@ sub ROUND_16_XX() $code.=<<___; mov `$SZ*(($i+1)&0xf)`(%rsp),$a0 - mov `$SZ*(($i+14)&0xf)`(%rsp),$T1 - - mov $a0,$a2 + mov `$SZ*(($i+14)&0xf)`(%rsp),$a1 + mov $a0,$T1 + mov $a1,$a2 + ror \$`$sigma0[1]-$sigma0[0]`,$T1 + xor $a0,$T1 shr \$$sigma0[2],$a0 - ror \$$sigma0[0],$a2 - - xor $a2,$a0 - ror \$`$sigma0[1]-$sigma0[0]`,$a2 - xor $a2,$a0 # sigma0(X[(i+1)&0xf]) - mov $T1,$a1 + ror \$$sigma0[0],$T1 + xor $T1,$a0 # sigma0(X[(i+1)&0xf]) + mov `$SZ*(($i+9)&0xf)`(%rsp),$T1 - shr \$$sigma1[2],$T1 - ror \$$sigma1[0],$a1 - - xor $a1,$T1 - ror \$`$sigma1[1]-$sigma1[0]`,$a1 - - xor $a1,$T1 # sigma1(X[(i+14)&0xf]) + ror \$`$sigma1[1]-$sigma1[0]`,$a2 + xor $a1,$a2 + shr \$$sigma1[2],$a1 + ror \$$sigma1[0],$a2 add $a0,$T1 - - add `$SZ*(($i+9)&0xf)`(%rsp),$T1 + xor $a2,$a1 # sigma1(X[(i+14)&0xf]) add `$SZ*($i&0xf)`(%rsp),$T1 + mov $e,$a0 + add $a1,$T1 + mov $a,$a1 ___ &ROUND_00_15(@_); } @@ -219,6 +211,8 @@ $func: ___ for($i=0;$i<16;$i++) { $code.=" mov $SZ*$i($inp),$T1\n"; + $code.=" mov @ROT[4],$a0\n"; + $code.=" mov @ROT[0],$a1\n"; $code.=" bswap $T1\n"; &ROUND_00_15($i,@ROT); unshift(@ROT,pop(@ROT)); |