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  
      15  #include "ssse3-vals.h"
      16  
      17  #include <tmmintrin.h>
      18  
      19  #ifndef __AVX__
      20  /* Test the 64-bit form */
      21  static void
      22  ssse3_test_pshufb (__m64 *i1, __m64 *i2, __m64 *r)
      23  {
      24    *r = _mm_shuffle_pi8 (*i1, *i2);
      25    _mm_empty ();
      26  }
      27  #endif
      28  
      29  /* Test the 128-bit form */
      30  static void
      31  ssse3_test_pshufb128 (__m128i *i1, __m128i *i2, __m128i *r)
      32  {
      33    /* Assumes incoming pointers are 16-byte aligned */
      34    *r = _mm_shuffle_epi8 (*i1, *i2);
      35  }
      36  
      37  #ifndef __AVX__
      38  /* Routine to manually compute the results */
      39  static void
      40  compute_correct_result_64 (signed char *i1, signed char *i2, signed char *r)
      41  {
      42    int i;
      43    char select;
      44  
      45    for (i = 0; i < 16; i++)
      46      {
      47        select = i2[i];
      48        if (select & 0x80)
      49  	r[i] = 0;
      50        else if (i < 8)
      51  	r[i] = i1[select & 0x7];
      52        else
      53  	r[i] = i1[8 + (select & 0x7)];
      54      }
      55  }
      56  #endif
      57  
      58  static void
      59  compute_correct_result_128 (signed char *i1, signed char *i2, signed char *r)
      60  {
      61    int i;
      62    char select;
      63  
      64    for (i = 0; i < 16; i++)
      65      {
      66        select = i2[i];
      67        if (select & 0x80)
      68  	r[i] = 0;
      69        else
      70  	r[i] = i1[select & 0xf];
      71      }
      72  }
      73  
      74  static void
      75  TEST (void)
      76  {
      77    int i;
      78    union data r __attribute__ ((aligned(16)));
      79    union data ck;
      80    int fail = 0;
      81  
      82    for (i = 0; i < ARRAY_SIZE (vals) - 1; i++)
      83      {
      84  #ifndef __AVX__
      85        /* Manually compute the result */
      86        compute_correct_result_64 (&vals[i + 0].b[0], &vals[i + 1].b[0], &ck.b[0]);
      87  
      88        /* Run the 64-bit tests */
      89        ssse3_test_pshufb (&vals[i + 0].ll[0], &vals[i + 1].ll[0], &r.ll[0]);
      90        ssse3_test_pshufb (&vals[i + 0].ll[1], &vals[i + 1].ll[1], &r.ll[1]);
      91        fail += chk_128 (ck.m[0], r.m[0]);
      92  #endif
      93  
      94        /* Recompute the result for 128-bits */
      95        compute_correct_result_128 (&vals[i + 0].b[0], &vals[i + 1].b[0], &ck.b[0]);
      96  
      97        /* Run the 128-bit tests */
      98        ssse3_test_pshufb128 (&vals[i + 0].m[0], &vals[i + 1].m[0], &r.m[0]);
      99        fail += chk_128 (ck.m[0], r.m[0]);
     100      }
     101  
     102    if (fail != 0)
     103      abort ();
     104  }