gcc/testsuite/gdc.dg/torture/simd3.d

   1 // { dg-additional-options "-mavx" { target avx_runtime } }
   2 // { dg-do run { target { avx_runtime || vect_sizes_16B_8B } } }
   3 // { dg-skip-if "needs gcc/config.d" { ! d_runtime } }
   4 import core.simd;
   5
   6 struct Sunsto
   7 {
   8   align (1): // make sure f4 is misaligned
   9     byte b;
  10     union
  11     {
  12         float4 f4;
  13         ubyte[16] a;
  14     }
  15 }
  16
  17 ubyte[16] foounsto()
  18 {
  19     float4 vf = 6;
  20     Sunsto s;
  21     s.f4 = vf * 2;
  22     vf = s.f4;
  23
  24     return s.a;
  25 }
  26
  27 void main()
  28 {
  29     auto a = foounsto();
  30     version (LittleEndian)
  31         assert(a == [0, 0, 64, 65, 0, 0, 64, 65, 0, 0, 64, 65, 0, 0, 64, 65]);
  32     version (BigEndian)
  33         assert(a == [65, 64, 0, 0, 65, 64, 0, 0, 65, 64, 0, 0, 65, 64, 0, 0]);
  34 }