Subversion Repositories openrisc_2011-10-31

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

#include <stdarg.h>

#include <stdio.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 } } } */

/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target vect_perm } } } */

/* { dg-final { cleanup-tree-dump "vect" } } */