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/* { dg-do run } */
/* { dg-require-effective-target sse4 } */
/* { dg-options "-O2 -msse4.1" } */
#ifndef CHECK_H
#define CHECK_H "sse4_1-check.h"
#endif
#ifndef TEST
#define TEST sse4_1_test
#endif
#include CHECK_H
#include <smmintrin.h>
#include <string.h>
typedef int T __attribute__((may_alias));
struct S { __m128i d; };
__m128i
__attribute__((noinline))
foo (__m128i y, int 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];
} res, val, tmp;
unsigned int 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.i[1] = ins[3];
if (memcmp (&tmp, &res, sizeof (tmp)))
abort ();
}
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