1  /* { dg-do run } */
       2  /* { dg-require-effective-target ssse3 } */
       3  /* { dg-options "-O2 -fno-strict-aliasing -mssse3" } */
       4  
       5  #ifndef CHECK_H
       6  #define CHECK_H "ssse3-check.h"
       7  #endif
       8  
       9  #ifndef TEST
      10  #define TEST ssse3_test
      11  #endif
      12  
      13  #include CHECK_H
      14  #include "ssse3-vals.h"
      15  
      16  #include <tmmintrin.h>
      17  
      18  /* Test the 64-bit form */
      19  static void
      20  ssse3_test_psignd (int *i1, int *i2, int *r)
      21  {
      22    __m64 t1 = *(__m64 *) i1;
      23    __m64 t2 = *(__m64 *) i2;
      24    *(__m64 *) r = _mm_sign_pi32 (t1, t2);
      25    _mm_empty ();
      26  }
      27  
      28  /* Test the 128-bit form */
      29  static void
      30  ssse3_test_psignd128 (int *i1, int *i2, int *r)
      31  {
      32    /* Assumes incoming pointers are 16-byte aligned */
      33    __m128i t1 = *(__m128i *) i1;
      34    __m128i t2 = *(__m128i *) i2;
      35    *(__m128i *)r = _mm_sign_epi32 (t1, t2);
      36  }
      37  
      38  /* Routine to manually compute the results */
      39  static void
      40  compute_correct_result (int *i1, int *i2, int *r)
      41  {
      42    int i;
      43  
      44    for (i = 0; i < 4; i++)
      45      if (i2[i] < 0)
      46        r[i] = -i1[i];
      47      else if (i2[i] == 0)
      48        r[i] = 0;
      49      else
      50        r[i] = i1[i];
      51  }
      52  
      53  static void
      54  TEST (void)
      55  {
      56    int i;
      57    int r [4] __attribute__ ((aligned(16)));
      58    int ck [4];
      59    int fail = 0;
      60  
      61    for (i = 0; i < 256; i += 8)
      62      {
      63        /* Manually compute the result */
      64        compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
      65  
      66        /* Run the 64-bit tests */
      67        ssse3_test_psignd (&vals[i + 0], &vals[i + 4], &r[0]);
      68        ssse3_test_psignd (&vals[i + 2], &vals[i + 6], &r[2]);
      69        fail += chk_128 (ck, r);
      70  
      71        /* Run the 128-bit tests */
      72        ssse3_test_psignd128 (&vals[i + 0], &vals[i + 4], r);
      73        fail += chk_128 (ck, r);
      74      }
      75  
      76    if (fail != 0)
      77      abort ();
      78  }