diff options
| -rwxr-xr-x | crypto/bn/asm/x86_64-mont5.pl | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/crypto/bn/asm/x86_64-mont5.pl b/crypto/bn/asm/x86_64-mont5.pl index 69e81bf4dd..aa96d43e89 100755 --- a/crypto/bn/asm/x86_64-mont5.pl +++ b/crypto/bn/asm/x86_64-mont5.pl @@ -3231,11 +3231,16 @@ $code.=<<___; .type bn_get_bits5,\@abi-omnipotent .align 16 bn_get_bits5: - mov $inp,%r10 + lea 0($inp),%r10 + lea 1($inp),%r11 mov $num,%ecx - shr \$3,$num - movzw (%r10,$num),%eax - and \$7,%ecx + shr \$4,$num + and \$15,%ecx + lea -8(%ecx),%eax + cmp \$11,%ecx + cmova %r11,%r10 + cmova %eax,%ecx + movzw (%r10,$num,2),%eax shrl %cl,%eax and \$31,%eax ret |