/* { dg-require-effective-target vect_int_mult } */ #include #include "tree-vect.h" #define K 4 int in[2*K][K] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); int out[K]; int check_result[K] = {0,16,256,4096}; __attribute__ ((noinline)) void foo () { int sum; int i, j, k; for (k = 0; k < K; k++) { sum = 1; for (j = 0; j < K; j++) for (i = 0; i < K; i++) sum *= in[i+k][j]; out[k] = sum; } } int main () { int i, j, k; check_vect (); for (i = 0; i < 2*K; i++) for (j = 0; j < K; j++) in[i][j] = (i+2)/3; foo(); for (k = 0; k < K; k++) if (out[k] != check_result[k]) abort (); return 0; } /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */