gcc/testsuite/gcc.target/i386/avx-set-v16hi-4.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O2 -mavx" } */
   4
   5 #include "avx-check.h"
   6
   7 static __m256i
   8 __attribute__((noinline))
   9 foo (short x, int i)
  10 {
  11   switch (i)
  12     {
  13     case 15:
  14       return _mm256_set_epi16 (x, 0, 0, 0, 0, 0, 0, 0,
  15                                0, 0, 0, 0, 0, 0, 0, 0);
  16     case 14:
  17       return _mm256_set_epi16 (0, x, 0, 0, 0, 0, 0, 0,
  18                                0, 0, 0, 0, 0, 0, 0, 0);
  19     case 13:
  20       return _mm256_set_epi16 (0, 0, x, 0, 0, 0, 0, 0,
  21                                0, 0, 0, 0, 0, 0, 0, 0);
  22     case 12:
  23       return _mm256_set_epi16 (0, 0, 0, x, 0, 0, 0, 0,
  24                                0, 0, 0, 0, 0, 0, 0, 0);
  25     case 11:
  26       return _mm256_set_epi16 (0, 0, 0, 0, x, 0, 0, 0,
  27                                0, 0, 0, 0, 0, 0, 0, 0);
  28     case 10:
  29       return _mm256_set_epi16 (0, 0, 0, 0, 0, x, 0, 0,
  30                                0, 0, 0, 0, 0, 0, 0, 0);
  31     case 9:
  32       return _mm256_set_epi16 (0, 0, 0, 0, 0, 0, x, 0,
  33                                0, 0, 0, 0, 0, 0, 0, 0);
  34     case 8:
  35       return _mm256_set_epi16 (0, 0, 0, 0, 0, 0, 0, x,
  36                                0, 0, 0, 0, 0, 0, 0, 0);
  37     case 7:
  38       return _mm256_set_epi16 (0, 0, 0, 0, 0, 0, 0, 0,
  39                                x, 0, 0, 0, 0, 0, 0, 0);
  40     case 6:
  41       return _mm256_set_epi16 (0, 0, 0, 0, 0, 0, 0, 0,
  42                                0, x, 0, 0, 0, 0, 0, 0);
  43     case 5:
  44       return _mm256_set_epi16 (0, 0, 0, 0, 0, 0, 0, 0,
  45                                0, 0, x, 0, 0, 0, 0, 0);
  46     case 4:
  47       return _mm256_set_epi16 (0, 0, 0, 0, 0, 0, 0, 0,
  48                                0, 0, 0, x, 0, 0, 0, 0);
  49     case 3:
  50       return _mm256_set_epi16 (0, 0, 0, 0, 0, 0, 0, 0,
  51                                0, 0, 0, 0, x, 0, 0, 0);
  52     case 2:
  53       return _mm256_set_epi16 (0, 0, 0, 0, 0, 0, 0, 0,
  54                                0, 0, 0, 0, 0, x, 0, 0);
  55     case 1:
  56       return _mm256_set_epi16 (0, 0, 0, 0, 0, 0, 0, 0,
  57                                0, 0, 0, 0, 0, 0, x, 0);
  58     case 0:
  59       return _mm256_set_epi16 (0, 0, 0, 0, 0, 0, 0, 0,
  60                                0, 0, 0, 0, 0, 0, 0, x);
  61     default:
  62       abort ();
  63     }
  64 }
  65
  66 static void
  67 avx_test (void)
  68 {
  69   short e = 0xbeef;
  70   short v[16];
  71   union256i_w u;
  72   int i, j;
  73
  74   for (i = 0; i < ARRAY_SIZE (v); i++)
  75     {
  76       for (j = 0; j < ARRAY_SIZE (v); j++)
  77         v[j] = 0;
  78       v[i] = e;
  79       u.x = foo (e, i);
  80       if (check_union256i_w (u, v))
  81         abort ();
  82     }
  83 }