/* { dg-additional-options "-O3 -fno-fast-math" } */ #include "tree-vect.h" double __attribute__((noinline,noclone)) compute_integral (double w_1[18]) { double A = 0; double t33[2][6] = {{0.0, 0.0, 0.0, 0.0, 0.0, 0.0}, {0.0, 0.0, 0.0, 0.0, 0.0, 0.0}}; double t43[2] = {0.0, 0.0}; double t31[2][2] = {{1.0, 1.0}, {1.0, 1.0}}; double t32[2][3] = {{0.0, 0.0, 1.0}, {0.0, 0.0, 1.0}}; for (int ip_1 = 0; ip_1 < 2; ++ip_1) { for (int i_0 = 0; i_0 < 6; ++i_0) t33[ip_1][i_0] = ((w_1[i_0*3] * t32[ip_1][0]) + (w_1[i_0*3+2] * t32[ip_1][2])); t43[ip_1] = 2.0; } for (int i_0 = 0; i_0 < 6; ++i_0) A += t43[1]*t33[1][i_0]; return A; } int main() { check_vect (); double w_1[18] = {0., 1.0, 1.0, 0., 1.0, 1.0, 0., 1.0, 1.0, 0., 1.0, 1.0, 0., 1.0, 1.0, 0., 1.0, 1.0}; double A = compute_integral(w_1); if (A != 12.0) __builtin_abort (); return 0; } /* { dg-final { scan-tree-dump-times {using an in-order \(fold-left\) reduction} 1 "vect" { target vect_double } } } */ /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target { vect_double && { vect_perm && vect_hw_misalign } } } } } */