// { dg-do compile } // { dg-options "-O2 -fdump-tree-cunrolli-details" } template void foo (T *a, T *b, T *c) { #pragma GCC unroll 8 for (int i = 0; i < 8; i++) a[i] = b[i] * c[i]; } void bar (int *a, int *b, int *c) { foo (a, b, c); } // { dg-final { scan-tree-dump "loop with 8 iterations completely unrolled" "cunrolli" } }