Viewing file:  vect-100.c (1.34 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int } */
#include <stdlib.h>
#include <stdarg.h>
#include "tree-vect.h"
#define N 9
struct extraction
{
int a[N];
int b[N];
};
static int a[N] = {1,2,3,4,5,6,7,8,9};
static int b[N] = {2,3,4,5,6,7,8,9,0};
__attribute__ ((noinline))
int main1 () {
int i;
struct extraction *p;
p = (struct extraction *) malloc (sizeof (struct extraction));
/* Vectorizable: alias analysis determines that p can't point to a and/or b. */
for (i = 0; i < N; i++)
{
p->a[i] = a[i];
p->b[i] = b[i];
}
/* check results: */
for (i = 0; i < N; i++)
{
if (p->a[i] != a[i] || p->b[i] != b[i])
abort();
}
return 0;
}
__attribute__ ((noinline))
int main2 () {
int i;
int c[N] = {1,2,3,4,5,6,7,8,9};
int d[N] = {2,3,4,5,6,7,8,9,0};
struct extraction *p;
p = (struct extraction *) malloc (sizeof (struct extraction));
/* Vectorizable: c and d are local arrays. */
for (i = 0; i < N; i++)
{
p->a[i] = c[i];
p->b[i] = d[i];
}
/* check results: */
for (i = 0; i < N; i++)
{
if (p->a[i] != c[i] || p->b[i] != d[i])
abort();
}
return 0;
}
int main (void)
{
check_vect ();
main1 ();
main2 ();
return 0;
}
/* Requires versioning. */
/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 0 "vect" } } */
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