gcc/testsuite/gcc.target/i386/sse4_1-extractps.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target sse4 } */
   3 /* { dg-options "-O2 -msse4.1" } */
   4
   5 #include "sse4_1-check.h"
   6
   7 #include <smmintrin.h>
   8
   9 int masks[4];
  10
  11 #define msk0 0x00
  12 #define msk1 0x01
  13 #define msk2 0x02
  14 #define msk3 0x03
  15
  16 static void
  17 sse4_1_test (void)
  18 {
  19   union
  20     {
  21       __m128 x;
  22       float f[4];
  23     } val1, val2;
  24   union
  25     {
  26       int i;
  27       float f;
  28     } res[4];
  29   float resm[4];
  30   int i;
  31
  32   val1.f[0] = 10.;
  33   val1.f[1] = 2.;
  34   val1.f[2] = 3.;
  35   val1.f[3] = 40.;
  36
  37   val2.f[0] = 77.;
  38   val2.f[1] = 21.;
  39   val2.f[2] = 34.;
  40   val2.f[3] = 49.;
  41
  42   res[0].i = _mm_extract_ps (val1.x, msk0);
  43   res[1].i = _mm_extract_ps (val1.x, msk1);
  44   res[2].i = _mm_extract_ps (val1.x, msk2);
  45   res[3].i = _mm_extract_ps (val1.x, msk3);
  46
  47   _MM_EXTRACT_FLOAT (resm[0], val2.x, msk0);
  48   _MM_EXTRACT_FLOAT (resm[1], val2.x, msk1);
  49   _MM_EXTRACT_FLOAT (resm[2], val2.x, msk2);
  50   _MM_EXTRACT_FLOAT (resm[3], val2.x, msk3);
  51
  52   masks[0] = msk0;
  53   masks[1] = msk1;
  54   masks[2] = msk2;
  55   masks[3] = msk3;
  56
  57   for( i=0; i < 4; i++ )
  58     {
  59       if (res[i].f != val1.f[masks[i]])
  60         abort ();
  61       if (resm[i] != val2.f[masks[i]])
  62         abort ();
  63     }
  64 }