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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-widen-mult-const-s16.c] - Rev 801

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/* { dg-require-effective-target vect_int } */
 
#include "tree-vect.h"
#include <stdlib.h>
 
#define N 32
 
__attribute__ ((noinline)) void 
foo (int *__restrict a,
     short *__restrict b,
     int n)
{
  int i;
 
  for (i = 0; i < n; i++)
    a[i] = b[i] * 2333;
 
  for (i = 0; i < n; i++)
    if (a[i] != b[i] * 2333)
      abort ();
}
 
__attribute__ ((noinline)) void
bar (int *__restrict a,
     short *__restrict b,
     int n)
{
  int i;
 
  for (i = 0; i < n; i++)
    a[i] = b[i] * (short) 2333;
 
  for (i = 0; i < n; i++)
    if (a[i] != b[i] * (short) 2333)
      abort ();
}
 
int main (void)
{
  int i;
  int a[N];
  short b[N];
 
  for (i = 0; i < N; i++)
    {
      a[i] = 0;
      b[i] = i;
      __asm__ volatile ("");
    }
 
  foo (a, b, N);
  bar (a, b, N);
  return 0;
}
 
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target vect_widen_mult_hi_to_si } } } */
/* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */
/* { dg-final { scan-tree-dump-times "pattern recognized" 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
 
 

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