/* { dg-additional-options "-fopenmp-simd -fno-tree-vectorize" } */ /* { dg-additional-options "-mavx" { target avx_runtime } } */ /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { target i?86-*-* x86_64-*-* } } } */ #include "tree-vect.h" __attribute__((noipa)) int foo (int s, int *p) { int r = 0, l = 0, i; #pragma omp simd reduction (+:r) linear(l) for (i = 0; i < 10000; i += s) { p[l++] = i; r += i * 3; } return r; } int p[10000 / 78 + 1]; int main () { int i, r; check_vect (); r = foo (78, p); #pragma GCC novector for (i = 0; i < 10000 / 78; i++) if (p[i] != 78 * i) abort (); if (r != (10000 / 78) * (10000 / 78 + 1) / 2 * 78 * 3) abort (); r = foo (87, p); #pragma GCC novector for (i = 0; i < 10000 / 87; i++) if (p[i] != 87 * i) abort (); if (r != (10000 / 87) * (10000 / 87 + 1) / 2 * 87 * 3) abort (); return 0; }