--- src/mmx_cmod.S	2004-01-11 23:13:02.000000000 +0100
+++ /home/roland/mmx_cmod.S	2005-03-08 16:09:01.000000000 +0100
@@ -51,13 +51,13 @@
 .align 8
 
 #define ENTER                   \
-        pushl %ebp              ;\
-        movl %esp, %ebp         ;\
-        pushl %ebx              ;\
-        pushl %ecx              ;\
-        pushl %edx              ;\
-        pushl %edi              ;\
-        pushl %esi              ;\
+        pushq %rbp              ;\
+        movq %rsp, %rbp         ;\
+        pushq %rbx              ;\
+        pushq %rcx              ;\
+        pushq %rdx              ;\
+        pushq %rdi              ;\
+        pushq %rsi              ;\
         movl data, %esi         ;\
         movl w, %ebx            ;\
         movl h, %edx
@@ -65,13 +65,13 @@
 #define LEAVE                   \
 4:                              ;\
         emms                    ;\
-        popl %esi               ;\
-        popl %edi               ;\
-        popl %edx               ;\
-        popl %ecx               ;\
-        popl %ebx               ;\
-        movl %ebp, %esp         ;\
-        popl %ebp               ;\
+        popq %rsi               ;\
+        popq %rdi               ;\
+        popq %rdx               ;\
+        popq %rcx               ;\
+        popq %rbx               ;\
+        movq %rbp, %rsp         ;\
+        popq %rbp               ;\
         ret