| /* Ensure that we don't use 'repnz scasb' in the presence of register globals. */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O1 -w" } */ | |
| extern __SIZE_TYPE__ strlen (const char *); | |
| extern void *malloc (__SIZE_TYPE__); | |
| register int regvar asm("%ecx"); | |
| char * | |
| do_copy (char *str) | |
| { | |
| return malloc (strlen (str) + 1); | |
| } | |
| /* { dg-final { scan-assembler-not "repnz scasb" } } */ |