gcc/testsuite/gcc.target/i386/vcvtps2ph-2.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target f16c } */
   3 /* { dg-options "-O2 -mf16c" } */
   4
   5 #include "f16c-check.h"
   6
   7 static void
   8 f16c_test (void)
   9 {
  10   union256 val;
  11   union128i_w res;
  12   short exp[8];
  13
  14   val.a[0] = 1;
  15   val.a[1] = 2;
  16   val.a[2] = 4;
  17   val.a[3] = 8;
  18   val.a[4] = -1;
  19   val.a[5] = -2;
  20   val.a[6] = -4;
  21   val.a[7] = -8;
  22
  23   exp[0] = 0x3c00;
  24   exp[1] = 0x4000;
  25   exp[2] = 0x4400;
  26   exp[3] = 0x4800;
  27   exp[4] = 0xbc00;
  28   exp[5] = 0xc000;
  29   exp[6] = 0xc400;
  30   exp[7] = 0xc800;
  31
  32   res.x = _mm256_cvtps_ph (val.x, 0);
  33
  34   if (check_union128i_w (res, exp))
  35     abort ();
  36 }