1/* Ensure that we don't use 'repnz scasb' in the presence of register globals. */ 2/* { dg-do compile } */ 3/* { dg-options "-O1 -w" } */ 4 5extern __SIZE_TYPE__ strlen (const char *); 6extern void *malloc (__SIZE_TYPE__); 7 8register int regvar asm("%edi"); 9 10char * 11do_copy (char *str) 12{ 13 return malloc (strlen (str) + 1); 14} 15 16/* { dg-final { scan-assembler-not "repnz scasb" } } */ 17