Viewing file:  vsx-vectorize-5.c (1.37 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-vect-cost-model -fdump-tree-vect-details" } */
/* Taken from vect/vect-95.c. */
#include <stdlib.h>
#include <stdarg.h>
#define N 256
__attribute__ ((noinline))
void bar (char *pa, char *pb, char *pc)
{
int i;
/* check results: */
for (i = 0; i < N; i++)
{
if (pa[i] != (pb[i] + pc[i]))
abort ();
}
return;
}
__attribute__ ((noinline)) int
main1 (int n, char * __restrict__ pa, char * __restrict__ pb, char * __restrict__ 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;
char a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
char b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
char c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
main1 (N,a,b,c);
main1 (N-2,a,b,c);
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" } } */
/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 0 "vect" } } */
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" } } */
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