/* { dg-do run } */ /* { dg-additional-options "-mtune=pentiumpro" { target ia32 } } */ /* { dg-additional-options "-minline-all-stringops" { target { i?86-*-* x86_64-*-* } } } */ static void __attribute__((noinline, noclone)) my_memcpy (char *dest, const char *src, int n) { __builtin_memcpy (dest, src, n); } int main (void) { char a1[4], a2[4]; __builtin_memset (a1, 'a', 4); __builtin_memset (a2, 'b', 4); my_memcpy (a2, a1, 4); if (a2[0] != 'a') __builtin_abort (); return 0; }