| /* { dg-do compile } */ |
| /* { dg-require-effective-target vect_double } */ |
| |
| double self[1024]; |
| double a[1024][1024]; |
| double b[1024]; |
| |
| void __attribute__((noinline,noclone)) |
| foo (void) |
| { |
| int i, j; |
| for (i = 0; i < 1024; i+=6) |
| for (j = 0; j < 1024; j+=6) |
| { |
| self[i] = self[i] + a[i][j]*b[j]; |
| self[i+1] = self[i+1] + a[i][j+1]*b[j+1]; |
| } |
| } |
| |
| /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ |
| /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */ |
| /* { dg-final { cleanup-tree-dump "vect" } } */ |