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Diffstat (limited to 'src/libmp/386/mpvecadd.s')
-rw-r--r--src/libmp/386/mpvecadd.s29
1 files changed, 15 insertions, 14 deletions
diff --git a/src/libmp/386/mpvecadd.s b/src/libmp/386/mpvecadd.s
index 67519ad4..04a2bedf 100644
--- a/src/libmp/386/mpvecadd.s
+++ b/src/libmp/386/mpvecadd.s
@@ -10,17 +10,19 @@
.type mpvecadd, @function
mpvecadd:
/* Prelude */
- pushl %ebp
- movl %ebx, -4(%esp) /* save on stack */
- movl %esi, -8(%esp)
- movl %edi, -12(%esp)
+ pushl %ebp /* save on stack */
+ pushl %ebx
+ pushl %esi
+ pushl %edi
- movl 12(%esp), %edx /* alen */
- movl 20(%esp), %ecx /* blen */
- movl 8(%esp), %esi /* a */
- movl 16(%esp), %ebx /* b */
+ leal 20(%esp), %ebp /* %ebp = FP for now */
+
+ movl 4(%ebp), %edx /* alen */
+ movl 12(%ebp), %ecx /* blen */
+ movl 0(%ebp), %esi /* a */
+ movl 8(%ebp), %ebx /* b */
subl %ecx, %edx
- movl 24(%esp), %edi /* sum */
+ movl 16(%ebp), %edi /* sum */
xorl %ebp, %ebp /* this also sets carry to 0 */
/* skip addition if b is zero */
@@ -62,9 +64,8 @@ _addloop2:
done:
/* Postlude */
- movl -4(%esp), %ebx /* restore from stack */
- movl -8(%esp), %esi
- movl -12(%esp), %edi
- movl %esp, %ebp
- leave
+ popl %edi
+ popl %esi
+ popl %ebx
+ popl %ebp
ret