OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-57.c] - Rev 867

Go to most recent revision | Compare with Previous | Blame | View Log

/* { dg-require-effective-target vect_float } */
 
#include <stdarg.h>
#include "tree-vect.h"
 
#define N 256
 
void bar (float *pa, float *pb, float *pc)
{
  int i;
 
  /* check results:  */
  for (i = 0; i < N/2; i++)
    {
      if (pa[i] != (pb[i+1] * pc[i+1]))
        abort ();
    }
 
  return;
}
 
/* Unaligned pointer read accesses with known alignment,
   and an unaligned write access with unknown alignment.
   The loop bound is known and divisible by the vectorization factor.
   Can't prove that the pointers don't alias.
   vect-61.c is similar to this one with one difference:
        the loop bound is unknown.
   vect-56.c is similar to this one with two differences:
        aliasing is a problem, and the write access is aligned.  */
 
int
main1 (float *pa)
{
  int i;
  float b[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
  float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
  float *pb = b;
  float *pc = c;
 
  for (i = 0; i < N/2; i++)
    {
      pa[i] = pb[i+1] * pc[i+1];
    }
 
  bar (pa, pb, pc);
 
  return 0;
}
 
int main (void)
{
  int i;
  float a[N] __attribute__ ((__aligned__(16)));
 
  check_vect ();
  main1 (a);
 
  return 0;
}
 
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
 

Go to most recent revision | Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.