| /* Ensure that we don't use 'rep movX' in the presence of register globals. */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-Os -w" } */ | |
| extern void *memcpy (void *, const void *, __SIZE_TYPE__); | |
| register int regvar asm("%esi"); | |
| int foo[10]; | |
| int bar[10]; | |
| char baz[15]; | |
| char quux[15]; | |
| void | |
| do_copy () | |
| { | |
| memcpy (foo, bar, sizeof foo); | |
| memcpy (baz, quux, sizeof baz); | |
| } | |
| /* { dg-final { scan-assembler-not "rep movsl" } } */ | |
| /* { dg-final { scan-assembler-not "rep movsb" } } */ |