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 #ifndef CHECK_H
   6 #define CHECK_H "sse4_1-check.h"
   7 #endif
   8
   9 #ifndef TEST
  10 #define TEST sse4_1_test
  11 #endif
  12
  13 #include CHECK_H
  14
  15 #include <smmintrin.h>
  16
  17 int masks[4];
  18
  19 #define msk0 0x00
  20 #define msk1 0x01
  21 #define msk2 0x02
  22 #define msk3 0x03
  23
  24 static void
  25 TEST (void)
  26 {
  27   union
  28     {
  29       __m128 x;
  30       float f[4];
  31     } val1, val2;
  32   union
  33     {
  34       int i;
  35       float f;
  36     } res[4];
  37   float resm[4];
  38   int i;
  39
  40   val1.f[0] = 10.;
  41   val1.f[1] = 2.;
  42   val1.f[2] = 3.;
  43   val1.f[3] = 40.;
  44
  45   val2.f[0] = 77.;
  46   val2.f[1] = 21.;
  47   val2.f[2] = 34.;
  48   val2.f[3] = 49.;
  49
  50   res[0].i = _mm_extract_ps (val1.x, msk0);
  51   res[1].i = _mm_extract_ps (val1.x, msk1);
  52   res[2].i = _mm_extract_ps (val1.x, msk2);
  53   res[3].i = _mm_extract_ps (val1.x, msk3);
  54
  55   _MM_EXTRACT_FLOAT (resm[0], val2.x, msk0);
  56   _MM_EXTRACT_FLOAT (resm[1], val2.x, msk1);
  57   _MM_EXTRACT_FLOAT (resm[2], val2.x, msk2);
  58   _MM_EXTRACT_FLOAT (resm[3], val2.x, msk3);
  59
  60   masks[0] = msk0;
  61   masks[1] = msk1;
  62   masks[2] = msk2;
  63   masks[3] = msk3;
  64
  65   for( i=0; i < 4; i++ )
  66     {
  67       if (res[i].f != val1.f[masks[i]])
  68         abort ();
  69       if (resm[i] != val2.f[masks[i]])
  70         abort ();
  71     }
  72 }