diff options
Diffstat (limited to 'crypto/openssl/crypto/bn/asm/x86_64-mont5.pl')
| -rwxr-xr-x | crypto/openssl/crypto/bn/asm/x86_64-mont5.pl | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/crypto/openssl/crypto/bn/asm/x86_64-mont5.pl b/crypto/openssl/crypto/bn/asm/x86_64-mont5.pl index 42178e455a98..f8ff822ba298 100755 --- a/crypto/openssl/crypto/bn/asm/x86_64-mont5.pl +++ b/crypto/openssl/crypto/bn/asm/x86_64-mont5.pl @@ -405,18 +405,19 @@ $code.=<<___; jnz .Lsub sbb \$0,%rax # handle upmost overflow bit + mov \$-1,%rbx + xor %rax,%rbx xor $i,$i - and %rax,$ap - not %rax - mov $rp,$np - and %rax,$np mov $num,$j # j=num - or $np,$ap # ap=borrow?tp:rp -.align 16 -.Lcopy: # copy or in-place refresh - mov ($ap,$i,8),%rax + +.Lcopy: # conditional copy + mov ($rp,$i,8),%rcx + mov (%rsp,$i,8),%rdx + and %rbx,%rcx + and %rax,%rdx mov $i,(%rsp,$i,8) # zap temporary vector - mov %rax,($rp,$i,8) # rp[i]=tp[i] + or %rcx,%rdx + mov %rdx,($rp,$i,8) # rp[i]=tp[i] lea 1($i),$i sub \$1,$j jnz .Lcopy |