gcc/testsuite/gcc.target/i386/m128-check.h

   1 #include <stdio.h>
   2 #include <emmintrin.h>
   3
   4 typedef union
   5 {
   6   __m128i x;
   7   char a[16];
   8 } union128i_b;
   9
  10 typedef union
  11 {
  12   __m128i x;
  13   short a[8];
  14 } union128i_w;
  15
  16 typedef union
  17 {
  18   __m128i x;
  19   int a[4];
  20 } union128i_d;
  21
  22 typedef union
  23 {
  24   __m128i x;
  25   long long a[2];
  26 } union128i_q;
  27
  28 typedef union
  29 {
  30   __m128  x;
  31   float a[4];
  32 } union128;
  33
  34 typedef union
  35 {
  36   __m128d x;
  37   double a[2];
  38 } union128d;
  39
  40 #ifdef DEBUG
  41 #define PRINTF printf
  42 #else
  43 #define PRINTF(...)
  44 #endif
  45
  46 #define CHECK_EXP(UINON_TYPE, VALUE_TYPE, FMT)          \
  47 static int                                              \
  48 __attribute__((noinline, unused))                       \
  49 check_##UINON_TYPE (UINON_TYPE u, const VALUE_TYPE *v)  \
  50 {                                                       \
  51   int i;                                                \
  52   int err = 0;                                          \
  53                                                         \
  54   for (i = 0; i < sizeof (u.a) / sizeof (u.a[0]); i++)  \
  55     if (u.a[i] != v[i])                                 \
  56       {                                                 \
  57         err++;                                          \
  58         PRINTF ("%i: " FMT " != " FMT "\n",             \
  59                 i, v[i], u.a[i]);                       \
  60       }                                                 \
  61   return err;                                           \
  62 }
  63
  64 CHECK_EXP (union128i_b, char, "%d")
  65 CHECK_EXP (union128i_w, short, "%d")
  66 CHECK_EXP (union128i_d, int, "0x%x")
  67 CHECK_EXP (union128i_q, long long, "0x%llx")
  68 CHECK_EXP (union128, float, "%f")
  69 CHECK_EXP (union128d, double, "%f")