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/* { dg-do run } */

/* { dg-require-effective-target sse2 } */

/* { dg-options "-O2 -msse2" } */

#ifndef CHECK_H

#define CHECK_H "sse2-check.h"

#endif

#ifndef TEST

#define TEST sse2_test

#endif

#include CHECK_H

#include <emmintrin.h>

#include <string.h>

typedef short T __attribute__((may_alias));

struct S { __m128i d; };

__m128i

__attribute__((noinline))

foo (__m128i y, short x)

{

  struct S s;

  s.d = y;

  ((T *) &s.d)[1] = x;

  return s.d;

}

static void

TEST (void)

{

  union

    {

      __m128i x;

      unsigned int i[4];

      unsigned short s[8];

    } res, val, tmp;

  unsigned short ins[4] = { 3, 4, 5, 6 };

  val.i[0] = 0x35251505;

  val.i[1] = 0x75655545;

  val.i[2] = 0xB5A59585;

  val.i[3] = 0xF5E5D5C5;

  res.x = foo (val.x, ins[3]);

  tmp.x = val.x;

  tmp.s[1] = ins[3];

  if (memcmp (&tmp, &res, sizeof (tmp)))

    abort ();

}