/* { dg-require-effective-target vect_float } */
|
/* { dg-require-effective-target vect_float } */
|
|
|
#include <stdarg.h>
|
#include <stdarg.h>
|
#include "tree-vect.h"
|
#include "tree-vect.h"
|
|
|
#define N 256
|
#define N 256
|
|
|
__attribute__ ((noinline))
|
__attribute__ ((noinline))
|
void bar (float *pa, float *pb, float *pc)
|
void bar (float *pa, float *pb, float *pc)
|
{
|
{
|
int i;
|
int i;
|
|
|
/* check results: */
|
/* check results: */
|
for (i = 0; i < N; i++)
|
for (i = 0; i < N; i++)
|
{
|
{
|
if (pa[i] != (pb[i] * pc[i]))
|
if (pa[i] != (pb[i] * pc[i]))
|
abort ();
|
abort ();
|
}
|
}
|
|
|
return;
|
return;
|
}
|
}
|
|
|
/* Aligned pointer accesses.
|
/* Aligned pointer accesses.
|
The loop bound is known and divisible by the vectorization factor.
|
The loop bound is known and divisible by the vectorization factor.
|
No aliasing problems.
|
No aliasing problems.
|
vect-46.c is similar to this one with one difference:
|
vect-46.c is similar to this one with one difference:
|
the loop bound is unknown. */
|
the loop bound is unknown. */
|
|
|
float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)))
|
float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)))
|
= {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
|
= {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
|
float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)))
|
float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)))
|
= {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
|
= {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
|
|
|
__attribute__ ((noinline)) int
|
__attribute__ ((noinline)) int
|
main1 ()
|
main1 ()
|
{
|
{
|
int i;
|
int i;
|
float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
|
float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
|
float *pa = a;
|
float *pa = a;
|
float *pb = b;
|
float *pb = b;
|
float *pc = c;
|
float *pc = c;
|
|
|
for (i = 0; i < N; i++)
|
for (i = 0; i < N; i++)
|
{
|
{
|
pa[i] = pb[i] * pc[i];
|
pa[i] = pb[i] * pc[i];
|
}
|
}
|
|
|
bar (pa,pb,pc);
|
bar (pa,pb,pc);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int main (void)
|
int main (void)
|
{
|
{
|
check_vect ();
|
check_vect ();
|
main1 ();
|
main1 ();
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"} } */
|
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"} } */
|
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
|
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
|
/* { dg-final { cleanup-tree-dump "vect" } } */
|
/* { dg-final { cleanup-tree-dump "vect" } } */
|
|
|
