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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [bb-slp-20.c] - Rev 298

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/* { dg-require-effective-target vect_int } */
 
#include <stdarg.h>
#include <stdio.h>
#include "tree-vect.h"
 
#define N 16 
 
int b[N];
unsigned int out[N];
unsigned int in[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
 
__attribute__ ((noinline)) int
main1 (unsigned int x, unsigned int y)
{
  int i;
  unsigned int a0, a1, a2, a3;
 
  if (x > y)
    x = x + y;
  else
    y = x;
 
  /* Two SLP instances in the basic block.  */
  a0 = in[0] + 23;
  a1 = in[1] + 142;
  a2 = in[2] + 2;
  a3 = in[3] + 31;
 
  b[0] = -a0;
  b[1] = -a1;
  b[2] = -a2;
  b[3] = -a3;
 
  out[0] = a0 * x;
  out[1] = a1 * y;
  out[2] = a2 * x;
  out[3] = a3 * y;
 
  /* Check results.  */
  if (out[0] != (in[0] + 23) * x
      || out[1] != (in[1] + 142) * y
      || out[2] != (in[2] + 2) * x
      || out[3] != (in[3] + 31) * y
      || b[0] != -(in[0] + 23)
      || b[1] != -(in[1] + 142)
      || b[2] != -(in[2] + 2)
      || b[3] != -(in[3] + 31))
 
    abort();
 
  return 0;
}
 
int main (void)
{
  check_vect ();
 
  main1 (2, 3);
 
  return 0;
}
 
/* { dg-final { scan-tree-dump-times "basic block vectorized using SLP" 1 "slp" { target vect_int_mult } } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "slp" { target vect_int_mult } } } */
/* { dg-final { cleanup-tree-dump "slp" } } */
 
 

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