Subversion Repositories openrisc_me

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

#include <stdarg.h>

#include "tree-vect.h"

#define N 64

short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

int result[N];

/* short->int widening-mult */

int

foo1(int len) {

  int i;

  for (i=0; i<len/2; i++) {

    result[2*i] = X[2*i] * Y[2*i];

    result[2*i+1] = X[2*i+1] * Y[2*i+1];

  }

}

int main (void)

{

  int i;

  check_vect ();

  for (i=0; i<N; i++) {

    X[i] = i;

    Y[i] = 64-i;

    __asm__ volatile ("");

  }

  foo1 (N);

  for (i=0; i<N; i++) {

    if (result[i] != X[i] * Y[i])

      abort ();

  }

  return 0;

}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_mult_hi_to_si } } }*/

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

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