#define N 200 #define DIST 32 typedef signed char sc; typedef unsigned char uc; typedef signed short ss; typedef unsigned short us; typedef int si; typedef unsigned int ui; typedef signed long long sll; typedef unsigned long long ull; #define FOR_EACH_TYPE(M) \ M (sc) M (uc) \ M (ss) M (us) \ M (si) M (ui) \ M (sll) M (ull) \ M (float) M (double) #define ADD_TEST(TYPE) \ void __attribute__((noinline, noclone)) \ test_##TYPE (TYPE *x, TYPE *y) \ { \ for (int i = 0; i < N; ++i) \ { \ x[i] = i; \ y[i] = 42 - i * 2; \ } \ } #define DO_TEST(TYPE) \ for (int i = 0; i < DIST * 2; ++i) \ { \ TYPE a[N + DIST * 2] = {}; \ test_##TYPE (a + DIST, a + i); \ for (int j = 0; j < N + DIST * 2; ++j) \ { \ TYPE expected = 0; \ if (i > DIST && j >= i && j < i + N) \ expected = 42 - (j - i) * 2; \ if (j >= DIST && j < DIST + N) \ expected = j - DIST; \ if (i <= DIST && j >= i && j < i + N) \ expected = 42 - (j - i) * 2; \ if (expected != a[j]) \ __builtin_abort (); \ } \ } FOR_EACH_TYPE (ADD_TEST) int main (void) { FOR_EACH_TYPE (DO_TEST) return 0; } /* { dg-final { scan-tree-dump {flags: *WAW\n} "vect" { target vect_int } } } */ /* { dg-final { scan-tree-dump "using an address-based WAR/WAW test" "vect" { target { ! vect_check_ptrs } } } } */ /* { dg-final { scan-tree-dump "using an IFN_CHECK_WAR_PTRS test" "vect" { target vect_check_ptrs } } } */ /* { dg-final { scan-tree-dump-not "using an index-based" "vect" } } */