diff options
| author | lloyd <[email protected]> | 2006-08-12 20:28:25 +0000 |
|---|---|---|
| committer | lloyd <[email protected]> | 2006-08-12 20:28:25 +0000 |
| commit | 10c5dd532df19248db4cef9f04ed1cc84877168e (patch) | |
| tree | 4cae203352ec73663eeb20d9a95fdcfca809c455 | |
| parent | 9df5c1ef72764bce170a2f543df43de86cab576f (diff) | |
Finish unrolling the expansion loop, and start on the byte-reading loop
| -rw-r--r-- | modules/sha_x86/sha1core.S | 79 |
1 files changed, 43 insertions, 36 deletions
diff --git a/modules/sha_x86/sha1core.S b/modules/sha_x86/sha1core.S index db4e536b3..9aecec355 100644 --- a/modules/sha_x86/sha1core.S +++ b/modules/sha_x86/sha1core.S @@ -18,11 +18,18 @@ sha160_core: .p2align 4,,7 .LOAD_INPUT_LOOP: movl 0(%ecx), %eax - addl $4, %ecx incl %esi bswapl %eax movl %eax, -4(%edi,%esi,4) + + movl 4(%ecx), %eax + addl $8, %ecx + incl %esi + + bswapl %eax + movl %eax, -4(%edi,%esi,4) + cmpl $16, %esi jne .LOAD_INPUT_LOOP @@ -31,42 +38,42 @@ sha160_core: .p2align 4,,7 // here esi == 16 .EXPANSION_LOOP: - xorl %eax, %eax - movl -4(%ebp), %ebx - movl -8(%ebp), %ecx - movl -12(%ebp), %edx - - xorl -20(%ebp), %eax - xorl -24(%ebp), %ebx - xorl -28(%ebp), %ecx - xorl -32(%ebp), %edx - - xorl -44(%ebp), %eax - xorl -48(%ebp), %ebx - xorl -52(%ebp), %ecx - xorl -56(%ebp), %edx - - xorl -52(%ebp), %eax - xorl -56(%ebp), %ebx - xorl -60(%ebp), %ecx - xorl -64(%ebp), %edx - - roll $1, %edx - movl %edx, (%ebp) - - roll $1, %ecx - movl %ecx, 4(%ebp) - - roll $1, %ebx - movl %ebx, 8(%ebp) - - xorl %edx, %eax - roll $1, %eax - movl %eax, 12(%ebp) - - addl $16, %ebp addl $4, %esi - cmpl $80, %esi + + xorl %eax, %eax + movl -4(%ebp), %ebx + movl -8(%ebp), %ecx + movl -12(%ebp), %edx + + xorl -20(%ebp), %eax + xorl -24(%ebp), %ebx + xorl -28(%ebp), %ecx + xorl -32(%ebp), %edx + + xorl -44(%ebp), %eax + xorl -48(%ebp), %ebx + xorl -52(%ebp), %ecx + xorl -52(%ebp), %eax + + xorl -56(%ebp), %edx + xorl -56(%ebp), %ebx + xorl -60(%ebp), %ecx + xorl -64(%ebp), %edx + + roll $1, %edx + roll $1, %ecx + roll $1, %ebx + + xorl %edx, %eax + roll $1, %eax + + movl %edx, (%ebp) + movl %ecx, 4(%ebp) + movl %ebx, 8(%ebp) + movl %eax, 12(%ebp) + + addl $16, %ebp + cmpl $80, %esi jne .EXPANSION_LOOP // here: edi = W |