1 /* Test whether strncmp has not been "optimized" into memcmp
2 nor any code with memcmp semantics. */
3 /* { dg-do run { target mmap } } */
4 /* { dg-options "-O2" } */
9 #define MAP_ANONYMOUS MAP_ANON
16 void __attribute__((noinline)) test (const char *p)
18 if (__builtin_strncmp (p, "abcdefghijklmnopq", 17) == 0)
24 char *p = mmap (NULL, 131072, PROT_READ | PROT_WRITE,
25 MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
28 if (munmap (p + 65536, 65536) < 0)
30 __builtin_memcpy (p + 65536 - 5, "abcd", 5);