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

   1 // { dg-additional-options "-mavx" { target avx_runtime } }
   2 // { dg-skip-if "needs gcc/config.d" { ! d_runtime } }
   3 import gcc.simd;
   4
   5 void main ()
   6 {
   7     static if (__traits(compiles, __vector(int[4])))
   8         alias int4 = __vector(int[4]);
   9     static if (__traits(compiles, __vector(uint[4])))
  10         alias uint4 = __vector(uint[4]);
  11     static if (__traits(compiles, __vector(float[4])))
  12         alias float4 = __vector(float[4]);
  13     static if (__traits(compiles, __vector(double[4])))
  14         alias double4 = __vector(double[4]);
  15
  16     static if (__traits(compiles, int4))
  17     {
  18         union U1 { int4 v; int[4] a; }
  19         U1 u1;
  20     }
  21     static if (__traits(compiles, uint4))
  22     {
  23         union U2 { uint4 v; uint[4] a; }
  24         U2 u2;
  25     }
  26     static if (__traits(compiles, float4))
  27     {
  28         union U3 { float4 v; float[4] a; }
  29         U3 u3;
  30     }
  31     static if (__traits(compiles, double4))
  32     {
  33         union U4 { double4 v; double[4] a; }
  34         U4 u4;
  35     }
  36
  37     static if (__traits(compiles, u1) && __traits(compiles, u2))
  38     {
  39         static void f1(ref uint4 x, out int4 y)
  40         {
  41             y = convertvector!int4(x);
  42         }
  43         static foreach (i; 0 .. 4)
  44             u2.a[i] = i * 2;
  45         f1(u2.v, u1.v);
  46         static foreach (i; 0 .. 4)
  47             assert(u1.a[i] == i * 2);
  48     }
  49
  50     static if (__traits(compiles, u1) && __traits(compiles, u3))
  51     {
  52         static void f2(ref float4 x, out int4 y)
  53         {
  54             y = convertvector!int4(x);
  55         }
  56
  57         static void f3(ref int4 x, out float4 y)
  58         {
  59             y = convertvector!float4(x);
  60         }
  61
  62         static foreach (i; 0 .. 4)
  63             u3.a[i] = i - 2.25f;
  64         f2(u3.v, u1.v);
  65         static foreach (i; 0 .. 4)
  66             assert(u1.a[i] == (i == 3 ? 0 : i - 2));
  67
  68         static foreach (i; 0 .. 4)
  69             u3.a[i] = i + 0.75f;
  70         f2(u3.v, u1.v);
  71         static foreach (i; 0 .. 4)
  72             assert(u1.a[i] == i);
  73
  74         static foreach (i; 0 .. 4)
  75             u1.a[i] = 7 * i - 5;
  76         f3(u1.v, u3.v);
  77         static foreach (i; 0 .. 4)
  78             assert(u3.a[i] == 7 * i - 5);
  79     }
  80     static if (__traits(compiles, u1) && __traits(compiles, u4))
  81     {
  82         static void f4(ref double4 x, out int4 y)
  83         {
  84             y = convertvector!int4(x);
  85         }
  86
  87         static void f5(ref int4 x, out double4 y)
  88         {
  89             y = convertvector!double4(x);
  90         }
  91
  92         static foreach (i; 0 .. 4)
  93             u4.a[i] = i - 2.25;
  94         f4(u4.v, u1.v);
  95         static foreach (i; 0 .. 4)
  96             assert(u1.a[i] == (i == 3 ? 0 : i - 2));
  97
  98         static foreach (i; 0 .. 4)
  99             u4.a[i] = i + 0.75;
 100         f4(u4.v, u1.v);
 101         static foreach (i; 0 .. 4)
 102             assert(u1.a[i] == i);
 103
 104         static foreach (i; 0 .. 4)
 105             u1.a[i] = 7 * i - 5;
 106         f5(u1.v, u4.v);
 107         static foreach (i; 0 .. 4)
 108             assert(u4.a[i] == 7 * i - 5);
 109     }
 110     static if (__traits(compiles, u4))
 111     {
 112         static void f6(out double4 x)
 113         {
 114             int4 a = [1, 2, -3, -4];
 115             x = convertvector!double4(a);
 116         }
 117
 118         f6(u4.v);
 119         static foreach (i; 0 .. 4)
 120             assert(u4.a[i] == (i >= 2 ? -1 - i : i + 1));
 121     }
 122 }