Subversion Repositories openrisc

/* { dg-require-effective-target vect_int } */
 
#include <stdarg.h>
#include "tree-vect.h"
 
#define N 200
 
void foo (unsigned char *__restrict__ pInput, unsigned char *__restrict__ pOutput)
{
  unsigned char i, a, b, c;
 
  for (i = 0; i < N / 3; i++)
    {
       a = *pInput++;
       b = *pInput++;
       c = *pInput++;
 
       *pOutput++ = a + b + c + 3;
       *pOutput++ = a + b + c + 12;
       *pOutput++ = a + b + c + 1;
    }
}
 
int main (int argc, const char* argv[])
{
  unsigned char input[N], output[N], i;
  unsigned char check_results[N];
 
  check_vect ();
 
  for (i = 0; i < N; i++)
    {
      input[i] = i;
      output[i] = 0;
      if (input[i] > 256)
        abort ();
    }
 
  for (i = 0; i < N / 3; i++)
    {
      check_results[3*i] = 9 * i + 6;
      check_results[3*i+1] = 9 * i + 15;
      check_results[3*i+2] = 9 * i + 4;
    }
 
  foo (input, output);
 
  for (i = 0; i < N - (N % 3); i++)
     if (output[i] != check_results[i])
       abort ();
 
  return 0;
}
 
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target vect_perm_byte } } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target vect_perm_byte } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */