Viewing file:  no-vfa-vect-45.c (1.17 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-require-effective-target vect_float } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 256
__attribute__ ((noinline))
void bar (const float *pa, const float *pb, const float *pc)
{
int i;
/* check results: */
for (i = 0; i < N; i++)
{
if (pa[i] != (pb[i] * pc[i]))
abort ();
}
return;
}
/* Unaligned pointer accesses, with unknown alignment.
The loop bound is known and divisible by the vectorization factor.
Can't prove that the pointers don't alias.
vect-51.c is similar to this one with one difference:
the loop bound is unknown.
vect-44.c is similar to this one with one difference:
Aliasing is not a problem. */
__attribute__ ((noinline)) int
main1 (float *pa, float *pb, float *pc)
{
int i;
for (i = 0; i < N; i++)
{
pa[i] = pb[i] * pc[i];
}
bar (pa,pb,pc);
return 0;
}
int main (void)
{
int i;
float a[N];
float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
check_vect ();
main1 (a,b,c);
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */
|
