Viewing file:  vsx-vectorize-1.c (1.17 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-skip-if "" { powerpc*-*-darwin* } } */
/* { dg-require-effective-target powerpc_vsx_ok } */
/* { dg-options "-mdejagnu-cpu=power7 -O2 -ftree-vectorize -fno-tree-loop-distribute-patterns -fno-vect-cost-model -fdump-tree-vect-details" } */
/* Taken from vect/vect-align-1.c. */
#include <stdlib.h>
#include <stdarg.h>
/* Compile time known misalignment. Cannot use loop peeling to align
the store. */
#define N 16
struct foo {
char x;
int y[N];
} __attribute__((packed));
int x[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
__attribute__ ((noinline)) int
main1 (struct foo * __restrict__ p)
{
int i;
for (i = 0; i < N; i++)
{
p->y[i] = x[i];
}
/* check results: */
for (i = 0; i < N; i++)
{
if (p->y[i] != x[i])
abort ();
}
return 0;
}
int main (void)
{
int i;
struct foo *p = malloc (2*sizeof (struct foo));
main1 (p);
return 0;
}
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 1 "vect" } } */
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
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