Viewing file:  no-vfa-vect-79.c (1.41 KB) -rw-r--r--
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/* { dg-require-effective-target vect_float } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 16
float fa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
float fb[N+4] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0};
float fc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5};
/* Like vect-80.c but the pointers are not annotated as restricted,
and therefore can't be antialiased. */
__attribute__ ((noinline)) int
main1 (float *pa, float *pb, float *pc)
{
int i;
float *q = pb + 4;
for (i = 0; i < N; i++)
{
pa[i] = q[i] * pc[i];
}
for (i = 0; i < N; i++)
{
if (pa[i] != q[i] * pc[i])
abort();
}
return 0;
}
int main (void)
{
check_vect ();
main1 (fa, fb, fc);
return 0;
}
/* Currently the loops fail to vectorize due to aliasing problems.
If/when the aliasing problems are resolved, unalignment may
prevent vectorization on some targets. */
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */
/* { dg-final { scan-tree-dump-times "can't determine dependence" 1 "vect" { target { ! vect_multiple_sizes } } } } */
/* { dg-final { scan-tree-dump "can't determine dependence" "vect" { target vect_multiple_sizes } } } */
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