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/* { dg-require-effective-target vect_float } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 40
float image[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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" } } */
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