gcc/testsuite/gcc.target/i386/pr11001-strlen-1.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

/* 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("%edi");

char *
do_copy (char *str)
{
  return malloc (strlen (str) + 1);
}

/* { dg-final { scan-assembler-not "repnz scasb" } } */