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 #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 #define msk0   0
  18 #define msk1   1
  19 #define msk2   2
  20 #define msk3   3
  21 #define msk4   4
  22 #define msk5   5
  23 #define msk6   6
  24 #define msk7   7
  25
  26 static void
  27 TEST (void)
  28 {
  29   union
  30     {
  31       __m128i x;
  32       int i[4];
  33       short s[8];
  34     } val1;
  35   int res[8], masks[8];
  36   int i;
  37
  38   val1.i[0] = 0x04030201;
  39   val1.i[1] = 0x08070605;
  40   val1.i[2] = 0x0C0B0A09;
  41   val1.i[3] = 0x100F0E0D;
  42
  43   res[0] = _mm_extract_epi16 (val1.x, msk0);
  44   res[1] = _mm_extract_epi16 (val1.x, msk1);
  45   res[2] = _mm_extract_epi16 (val1.x, msk2);
  46   res[3] = _mm_extract_epi16 (val1.x, msk3);
  47   res[4] = _mm_extract_epi16 (val1.x, msk4);
  48   res[5] = _mm_extract_epi16 (val1.x, msk5);
  49   res[6] = _mm_extract_epi16 (val1.x, msk6);
  50   res[7] = _mm_extract_epi16 (val1.x, msk7);
  51
  52   masks[0] = msk0;
  53   masks[1] = msk1;
  54   masks[2] = msk2;
  55   masks[3] = msk3;
  56   masks[4] = msk4;
  57   masks[5] = msk5;
  58   masks[6] = msk6;
  59   masks[7] = msk7;
  60
  61   for (i = 0; i < 8; i++)
  62     if (res[i] != val1.s [masks[i]])
  63       abort ();
  64 }