| 1 |
689 |
jeremybenn |
/* { dg-require-effective-target vect_float } */
|
| 2 |
|
|
|
| 3 |
|
|
#include <stdarg.h>
|
| 4 |
|
|
#include "tree-vect.h"
|
| 5 |
|
|
|
| 6 |
|
|
#define N 256
|
| 7 |
|
|
|
| 8 |
|
|
__attribute__ ((noinline))
|
| 9 |
|
|
void bar (float *pa, float *pb, float *pc)
|
| 10 |
|
|
{
|
| 11 |
|
|
int i;
|
| 12 |
|
|
|
| 13 |
|
|
/* check results: */
|
| 14 |
|
|
for (i = 0; i < N; i++)
|
| 15 |
|
|
{
|
| 16 |
|
|
if (pa[i] != (pb[i] * pc[i]))
|
| 17 |
|
|
abort ();
|
| 18 |
|
|
}
|
| 19 |
|
|
|
| 20 |
|
|
return;
|
| 21 |
|
|
}
|
| 22 |
|
|
|
| 23 |
|
|
__attribute__ ((noinline)) int
|
| 24 |
|
|
main1 (int n, float * __restrict__ pa, float * __restrict__ pb, float * __restrict__ pc)
|
| 25 |
|
|
{
|
| 26 |
|
|
int i;
|
| 27 |
|
|
|
| 28 |
|
|
for (i = 0; i < n; i++)
|
| 29 |
|
|
{
|
| 30 |
|
|
pa[i] = pb[i] * pc[i];
|
| 31 |
|
|
}
|
| 32 |
|
|
|
| 33 |
|
|
bar (pa,pb,pc);
|
| 34 |
|
|
|
| 35 |
|
|
return 0;
|
| 36 |
|
|
}
|
| 37 |
|
|
|
| 38 |
|
|
/* Unaligned pointer accesses, with unknown alignment.
|
| 39 |
|
|
The loop bound is unknown.
|
| 40 |
|
|
No aliasing problems.
|
| 41 |
|
|
vect-44.c is similar to this one with one difference:
|
| 42 |
|
|
the loop bound is known.
|
| 43 |
|
|
vect-51.c is similar to this one with one difference:
|
| 44 |
|
|
can't prove that pointers don't alias. */
|
| 45 |
|
|
|
| 46 |
|
|
int main (void)
|
| 47 |
|
|
{
|
| 48 |
|
|
int i;
|
| 49 |
|
|
float a[N];
|
| 50 |
|
|
float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
|
| 51 |
|
|
float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
|
| 52 |
|
|
|
| 53 |
|
|
check_vect ();
|
| 54 |
|
|
|
| 55 |
|
|
main1 (N,a,b,c);
|
| 56 |
|
|
return 0;
|
| 57 |
|
|
}
|
| 58 |
|
|
|
| 59 |
|
|
/* For targets that don't support misaligned loads and don't support
|
| 60 |
|
|
misaligned stores we version for the all three accesses (peeling to
|
| 61 |
|
|
align the store will not force the two loads to be aligned). */
|
| 62 |
|
|
|
| 63 |
|
|
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
|
| 64 |
|
|
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align } } } } */
|
| 65 |
|
|
/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { target vect_hw_misalign } } } */
|
| 66 |
|
|
/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { vect_no_align || {! vector_alignment_reachable} } } } } */
|
| 67 |
|
|
/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 3 "vect" { target vect_no_align } } } */
|
| 68 |
|
|
/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 1 "vect" { target { {! vector_alignment_reachable} && { {! vect_no_align } && {! vect_hw_misalign } } } } } } */
|
| 69 |
|
|
/* { dg-final { cleanup-tree-dump "vect" } } */
|
