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/* { dg-do run { target { bmi2 } } } */

/* { dg-options "-mbmi2 -O2" } */

#include <x86intrin.h>

#include "bmi2-check.h"

__attribute__((noinline))

unsigned

calc_bzhi_u32 (unsigned a, int l)

{

  unsigned res = a;

  int i;

  for (i = 0; i < 32 - l; ++i)

    res &= ~(1 << (31 - i));

  return res;

}

static void

bmi2_test ()

{

  unsigned i;

  unsigned src = 0xce7ace0f;

  unsigned res, res_ref;

  for (i = 0; i < 5; ++i) {

    src = src * (i + 1);

    res_ref = calc_bzhi_u32 (src, i * 2);

    res = _bzhi_u32 (src, i * 2);

    if (res != res_ref)

      abort();

  }

}