| /* { dg-do compile } */ |
| |
| #define N 160 |
| signed short image[N][N]; |
| signed short block[N][N]; |
| signed short out[N]; |
| |
| /* Outer-loop cannot get vectorized because of non-consecutive access. */ |
| |
| void |
| foo (){ |
| int i,j; |
| int diff; |
| |
| for (i = 0; i < N; i++) { |
| diff = 0; |
| for (j = 0; j < N; j+=4) { |
| diff += (image[i][j] - block[i][j]); |
| } |
| out[i]=diff; |
| } |
| } |
| |
| /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail *-*-* } } } */ |
| /* { dg-final { scan-tree-dump-times "grouped access in outer loop" 1 "vect" } } */ |
