[thirdparty/gcc.git] / gcc / testsuite / gcc.dg / pr39443.c

/* PR middle-end/39443 */
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* { dg-final { scan-assembler-not "memcmp" } } */

typedef __SIZE_TYPE__ size_t;

extern int memcmp (const void *s1, const void *s2, size_t n)
  __attribute__ ((__nothrow__, __pure__));
extern __typeof (memcmp) memcmp __asm__ ("memory_compare");

int
test (char *s, char *t, int cnt)
{
  if (__builtin_expect (cnt, 0))
    return memcmp (s, t, cnt);
  return 0;
}
Commit	Line	Data
6b2b8871 JJ	1	/* PR middle-end/39443 */
	2	/* { dg-do compile } */
	3	/* { dg-options "-O2" } */
	4	/* { dg-final { scan-assembler-not "memcmp" } } */
	5
	6	typedef __SIZE_TYPE__ size_t;
	7
	8	extern int memcmp (const void s1, const void s2, size_t n)
	9	__attribute__ ((__nothrow__, __pure__));
	10	extern __typeof (memcmp) memcmp __asm__ ("memory_compare");
	11
	12	int
	13	test (char s, char t, int cnt)
	14	{
	15	if (__builtin_expect (cnt, 0))
	16	return memcmp (s, t, cnt);
	17	return 0;
	18	}