1  /* { dg-do run } */
       2  /* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
       3  /* { dg-require-effective-target p8vector_hw } */
       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  #ifndef __AVX__
      19  /* Test the 64-bit form */
      20  static void
      21  ssse3_test_psignb (__m64 *i1, __m64 *i2, __m64 *r)
      22  {
      23    *r = _mm_sign_pi8 (*i1, *i2);
      24    _mm_empty ();
      25  }
      26  #endif
      27  
      28  /* Test the 128-bit form */
      29  static void
      30  ssse3_test_psignb128 (__m128i *i1, __m128i *i2, __m128i *r)
      31  {
      32    /* Assumes incoming pointers are 16-byte aligned */
      33    *r = _mm_sign_epi8 (*i1, *i2);
      34  }
      35  
      36  /* Routine to manually compute the results */
      37  static void
      38  compute_correct_result (signed char *i1, signed char *i2, signed char *r)
      39  {
      40    int i;
      41  
      42    for (i = 0; i < 16; i++)
      43      if (i2[i] < 0)
      44        r[i] = -i1[i];
      45      else if (i2[i] == 0)
      46        r[i] = 0;
      47      else
      48        r[i] = i1[i];
      49  }
      50  
      51  static void
      52  TEST (void)
      53  {
      54    int i;
      55    union data r __attribute__ ((aligned(16)));
      56    union data ck;
      57    int fail = 0;
      58  
      59    for (i = 0; i < ARRAY_SIZE (vals) - 1; i++)
      60      {
      61        /* Manually compute the result */
      62        compute_correct_result (&vals[i + 0].b[0], &vals[i + 1].b[0], &ck.b[0]);
      63  
      64  #ifndef __AVX__
      65        /* Run the 64-bit tests */
      66        ssse3_test_psignb (&vals[i + 0].ll[0], &vals[i + 1].ll[0], &r.ll[0]);
      67        ssse3_test_psignb (&vals[i + 0].ll[1], &vals[i + 1].ll[1], &r.ll[1]);
      68        fail += chk_128 (ck.m[0], r.m[0]);
      69  #endif
      70  
      71        /* Run the 128-bit tests */
      72        ssse3_test_psignb128 (&vals[i + 0].m[0], &vals[i + 1].m[0], &r.m[0]);
      73        fail += chk_128 (ck.m[0], r.m[0]);
      74      }
      75  
      76    if (fail != 0)
      77      abort ();
      78  }