| /* { dg-do compile } */ |
| /* { dg-require-effective-target vect_int } */ |
| |
| #define N 40 |
| #define M 128 |
| unsigned short in[N+M]; |
| unsigned short coeff[M]; |
| unsigned int out[N]; |
| |
| /* Outer-loop vectorization. */ |
| |
| void |
| foo (){ |
| int i,j; |
| unsigned short diff; |
| |
| for (i = 0; i < N; i++) { |
| diff = 0; |
| for (j = 0; j < M; j+=8) { |
| diff += in[j+i]*coeff[j]; |
| } |
| out[i]=diff; |
| } |
| } |
| |
| /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { target { vect_short_mult && { ! vect_no_align } } } } } */ |
| /* { dg-final { scan-tree-dump "zero step in outer loop." "vect" } } */ |