view gcc/testsuite/gcc.dg/vect/no-fast-math-vect16.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
line wrap: on
line source

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

#include <stdarg.h>
#include "tree-vect.h"

#define N 16
#define DIFF 240

__attribute__ ((noinline))
int main1 ()
{
  int i;
  float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
  float diff;

  diff = 0;
  for (i = 0; i < N; i++) {
    diff += (b[i] - c[i]);
  }

  /* check results:  */
  if (diff != DIFF)
    abort ();

  return 0;
}

int main (void)
{ 
  check_vect ();
  
  return main1 ();
}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
/* { dg-final { scan-tree-dump-times {using an in-order \(fold-left\) reduction} 1 "vect" } } */