gcc/testsuite/gdc.dg/simd17720a.d

   1 // https://issues.dlang.org/show_bug.cgi?id=17720
   2 // { dg-additional-options "-mavx" { target avx_runtime } }
   3 // { dg-do compile { target { avx_runtime || vect_sizes_16B_8B } } }
   4 import core.simd;
   5
   6 alias TypeTuple(T...) = T;
   7
   8 void test17720()
   9 {
  10     alias Vector16s = TypeTuple!(
  11         void16,  byte16,  short8,  int4,  long2,
  12                 ubyte16, ushort8, uint4, ulong2, float4, double2);
  13
  14     // OK: __vector(T) -> __vector(void[]) of same size.
  15     // NG: __vector(T) -> __vector(void[]) of different size.
  16     // NG: explicit cast __vector(T) -> __vector(void[]) of different size.
  17     foreach (V; Vector16s)
  18     {
  19         static assert( __traits(compiles, { void16 v = V.init; }));
  20         static assert(!__traits(compiles, { void32 v = V.init; }));
  21         static assert(!__traits(compiles, { void32 v = cast(void32)V.init; }));
  22     }
  23
  24     // NG: __vector(T) -> __vector(T) of same size.
  25     // OK: explicit cast __vector(T) -> __vector(T) of same size.
  26     // NG: __vector(T) -> __vector(T) of different size.
  27     // NG: explicit cast __vector(T) -> __vector(T) of different size.
  28     foreach (V; Vector16s)
  29     {
  30         static if (is(V == double2))
  31         {
  32             static assert(!__traits(compiles, { long2 v = V.init; }));
  33             static assert( __traits(compiles, { long2 v = cast(long2)V.init; }));
  34         }
  35         else
  36         {
  37             static assert(!__traits(compiles, { double2 v = V.init; }));
  38             static assert( __traits(compiles, { double2 v = cast(double2)V.init; }));
  39         }
  40         static assert(!__traits(compiles, { double4 v = V.init; }));
  41         static assert(!__traits(compiles, { double4 v = cast(double4)V.init; }));
  42     }
  43 }