/* { dg-do run } */ /* { dg-options "-O2" } */ /* { dg-additional-options "-msse2" { target sse2_runtime } } */ /* { dg-additional-options "-mavx" { target avx_runtime } } */ extern void abort (); int a[32][32] __attribute__((aligned (32))) = { { 1 } }; struct S { int s; }; #pragma omp declare reduction (+:struct S:omp_out.s += omp_in.s) #pragma omp declare reduction (foo:struct S:omp_out.s += omp_in.s) #pragma omp declare reduction (foo:int:omp_out += omp_in) __attribute__((noinline, noclone)) int foo (void) { int i, j, u = 0; struct S s, t; s.s = 0; t.s = 0; #pragma omp simd aligned(a : 32) reduction(+:s) reduction(foo:t, u) collapse(2) for (i = 0; i < 32; i++) for (j = 0; j < 32; j++) { int x = a[i][j]; s.s += x; t.s += x; u += x; } if (t.s != s.s || u != s.s) abort (); return s.s; } int main () { int i, j; for (i = 0; i < 32; i++) for (j = 0; j < 32; j++) a[i][j] = j + (i / 4); int s = foo (); if (s != 19456) abort (); return 0; }