gcc/testsuite/gcc.target/i386/sse4_1-pextrw.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 #define msk0   0
  10 #define msk1   1
  11 #define msk2   2
  12 #define msk3   3
  13 #define msk4   4
  14 #define msk5   5
  15 #define msk6   6
  16 #define msk7   7
  17
  18 static void
  19 sse4_1_test (void)
  20 {
  21   union
  22     {
  23       __m128i x;
  24       int i[4];
  25       short s[8];
  26     } val1;
  27   int res[8], masks[8];
  28   int i;
  29
  30   val1.i[0] = 0x04030201;
  31   val1.i[1] = 0x08070605;
  32   val1.i[2] = 0x0C0B0A09;
  33   val1.i[3] = 0x100F0E0D;
  34
  35   res[0] = _mm_extract_epi16 (val1.x, msk0);
  36   res[1] = _mm_extract_epi16 (val1.x, msk1);
  37   res[2] = _mm_extract_epi16 (val1.x, msk2);
  38   res[3] = _mm_extract_epi16 (val1.x, msk3);
  39   res[4] = _mm_extract_epi16 (val1.x, msk4);
  40   res[5] = _mm_extract_epi16 (val1.x, msk5);
  41   res[6] = _mm_extract_epi16 (val1.x, msk6);
  42   res[7] = _mm_extract_epi16 (val1.x, msk7);
  43
  44   masks[0] = msk0;
  45   masks[1] = msk1;
  46   masks[2] = msk2;
  47   masks[3] = msk3;
  48   masks[4] = msk4;
  49   masks[5] = msk5;
  50   masks[6] = msk6;
  51   masks[7] = msk7;
  52
  53   for (i = 0; i < 8; i++)
  54     if (res[i] != val1.s [masks[i]])
  55       abort ();
  56 }