Subversion Repositories openrisc_2011-10-31

/* { dg-require-effective-target vect_float } */

#include <stdarg.h>

#include "tree-vect.h"

#define N 256

__attribute__ ((noinline))

void bar (float *pa, float *pb, float *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, float * __restrict__ pa, float * __restrict__ pb, float * __restrict__ pc)

{

  int i;

  for (i = 0; i < n; i++)

    {

      pa[i] = pb[i] * pc[i];

    }

  bar (pa,pb,pc);

  return 0;

}

/* Unaligned pointer accesses, with unknown alignment.

   The loop bound is unknown.

   No aliasing problems.

   vect-44.c is similar to this one with one difference:

        the loop bound is known.

   vect-51.c is similar to this one with one difference:

        can't prove that pointers don't alias.  */

int main (void)

{

  int i;

  float a[N];

  float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};

  float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};

  check_vect ();

  main1 (N,a,b,c);

  return 0;

}

/* For targets that don't support misaligned loads and don't support

   misaligned stores we version for the all three accesses (peeling to

   align the store will not force the two loads to be aligned).  */

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */

/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align } } } }  */

/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { target vect_hw_misalign } } } */

/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail { vect_no_align || {! vector_alignment_reachable} } } } } */

/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 3 "vect" { target vect_no_align } } } */

/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 1 "vect" { target { {! vector_alignment_reachable} && { {! vect_no_align } && {! vect_hw_misalign } } } } } } */

/* { dg-final { cleanup-tree-dump "vect" } } */