1 /* Ensure that we don't use 'rep movX' in the presence of register globals.  */
2 /* { dg-do compile } */
3 /* { dg-options "-Os -w" } */
4 
5 extern void *memcpy (void *, const void *, __SIZE_TYPE__);
6 
7 register int regvar asm("%edi");
8 
9 int foo[10];
10 int bar[10];
11 
12 char baz[15];
13 char quux[15];
14 
15 void
do_copy()16 do_copy ()
17 {
18   memcpy (foo, bar, sizeof foo);
19   memcpy (baz, quux, sizeof baz);
20 }
21 
22 /* { dg-final { scan-assembler-not "rep movsl" } } */
23 /* { dg-final { scan-assembler-not "rep movsb" } } */
24