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
test(char * s,char * t,int cnt)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 }
19