diff options
| author | lloyd <[email protected]> | 2006-08-12 20:34:15 +0000 |
|---|---|---|
| committer | lloyd <[email protected]> | 2006-08-12 20:34:15 +0000 |
| commit | c0302d3513f382ba2ce1a8a20f5df5b552d804b0 (patch) | |
| tree | 96cafd76ff10647286607d4c5ea855b88a3cb62d | |
| parent | 1ab412e3d045c0d0350b50b49c055ecfe4c4cbcb (diff) | |
Reschedule some instructions in attempt to hide latencies
| -rw-r--r-- | modules/sha_x86/sha1core.S | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/modules/sha_x86/sha1core.S b/modules/sha_x86/sha1core.S index f5551c0c7..0df379261 100644 --- a/modules/sha_x86/sha1core.S +++ b/modules/sha_x86/sha1core.S @@ -10,32 +10,32 @@ sha160_core: pushl %esi pushl %ebx - movl 24(%esp), %ecx # byte input[64] + movl 24(%esp), %ebp # byte input[64] movl 28(%esp), %edi # u32bit W[80] movl $0, %esi # loop counter .p2align 4,,7 .LOAD_INPUT_LOOP: - - movl 0(%ecx), %eax + movl 0(%ebp), %eax bswapl %eax + + movl 4(%ebp), %ebx + bswapl %ebx movl %eax, 0(%edi,%esi,4) - movl 4(%ecx), %eax - bswapl %eax - movl %eax, 4(%edi,%esi,4) + movl 8(%ebp), %ecx + bswapl %ecx + movl %ebx, 4(%edi,%esi,4) - movl 8(%ecx), %eax - bswapl %eax - movl %eax, 8(%edi,%esi,4) + movl 12(%ebp), %edx + bswapl %edx + movl %ecx, 8(%edi,%esi,4) - movl 12(%ecx), %eax - bswapl %eax - movl %eax, 12(%edi,%esi,4) + movl %edx, 12(%edi,%esi,4) addl $4, %esi - addl $16, %ecx + addl $16, %ebp cmpl $16, %esi jne .LOAD_INPUT_LOOP @@ -67,15 +67,16 @@ sha160_core: xorl -64(%ebp), %edx roll $1, %edx + roll $1, %ecx + movl %edx, (%ebp) + roll $1, %ebx + movl %ecx, 4(%ebp) xorl %edx, %eax - roll $1, %eax - - movl %edx, (%ebp) - movl %ecx, 4(%ebp) movl %ebx, 8(%ebp) + roll $1, %eax movl %eax, 12(%ebp) addl $16, %ebp |