| /* { dg-require-effective-target vect_float } */ |
| #include <stdarg.h> |
| #include "tree-vect.h" |
| |
| #define N 40 |
| float image[N][N] __attribute__ ((__aligned__(16))); |
| float out[N]; |
| |
| /* Outer-loop vectorization with non-consecutive access. Not vectorized yet. */ |
| |
| __attribute__ ((noinline)) void |
| foo (){ |
| int i,j; |
| float diff; |
| |
| for (i = 0; i < N/2; i++) { |
| diff = 0; |
| for (j = 0; j < N; j++) { |
| diff += image[j][2*i]; |
| } |
| out[i]=diff; |
| } |
| } |
| |
| int main (void) |
| { |
| check_vect (); |
| int i, j; |
| float diff; |
| |
| for (i = 0; i < N; i++) { |
| for (j = 0; j < N; j++) { |
| image[i][j]=i+j; |
| } |
| } |
| |
| foo (); |
| |
| for (i = 0; i < N/2; i++) { |
| diff = 0; |
| for (j = 0; j < N; j++) { |
| diff += image[j][2*i]; |
| } |
| if (out[i] != diff) |
| abort (); |
| } |
| |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail *-*-* } } } */ |
| /* { dg-final { scan-tree-dump-times "strided access in outer loop" 2 "vect" } } */ |
| /* { dg-final { cleanup-tree-dump "vect" } } */ |