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/* { dg-do run } */

/* { dg-options "-O2 -mcx16" { target { { i?86-*-* x86_64-*-* } && lp64 } } } */

#ifdef __x86_64__

#include "cpuid.h"

#endif

double d = 1.5;

long double ld = 3;

extern void abort (void);

void

test (void)

{

#pragma omp atomic

  d *= 1.25;

#pragma omp atomic

  ld /= 0.75;

  if (d != 1.875 || ld != 4.0L)

    abort ();

}

int

main (void)

{

#ifdef __x86_64__

  unsigned int eax, ebx, ecx, edx;

  if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))

    return 0;

  if (!(ecx & bit_CMPXCHG16B))

    return 0;

#endif

  test ();

  return 0;

}