1 /* Ensure that we don't use 'rep stoX' in the presence of register globals.  */
2 /* { dg-do compile } */
3 /* { dg-options "-Os -w" } */
4 
5 extern void *memset (void *, int, __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   memset (foo, 0, sizeof foo);
19   memset (baz, 0, sizeof baz);
20 }
21 
22 /* { dg-final { scan-assembler-not "rep stosl" } } */
23 /* { dg-final { scan-assembler-not "rep stosb" } } */
24