gcc/testsuite/gcc.target/i386/sse4_1-pextrb.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 #define msk8   8
  18 #define msk9   9
  19 #define msk10 10
  20 #define msk11 11
  21 #define msk12 12
  22 #define msk13 13
  23 #define msk14 14
  24 #define msk15 15
  25
  26 static void
  27 sse4_1_test (void)
  28 {
  29   union
  30     {
  31       __m128i x;
  32       int i[4];
  33       char c[16];
  34     } val1;
  35   int res[16], masks[16];
  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_epi8 (val1.x, msk0);
  44   res[1] = _mm_extract_epi8 (val1.x, msk1);
  45   res[2] = _mm_extract_epi8 (val1.x, msk2);
  46   res[3] = _mm_extract_epi8 (val1.x, msk3);
  47   res[4] = _mm_extract_epi8 (val1.x, msk4);
  48   res[5] = _mm_extract_epi8 (val1.x, msk5);
  49   res[6] = _mm_extract_epi8 (val1.x, msk6);
  50   res[7] = _mm_extract_epi8 (val1.x, msk7);
  51   res[8] = _mm_extract_epi8 (val1.x, msk8);
  52   res[9] = _mm_extract_epi8 (val1.x, msk9);
  53   res[10] = _mm_extract_epi8 (val1.x, msk10);
  54   res[11] = _mm_extract_epi8 (val1.x, msk11);
  55   res[12] = _mm_extract_epi8 (val1.x, msk12);
  56   res[13] = _mm_extract_epi8 (val1.x, msk13);
  57   res[14] = _mm_extract_epi8 (val1.x, msk14);
  58   res[15] = _mm_extract_epi8 (val1.x, msk15);
  59
  60   masks[0] = msk0;
  61   masks[1] = msk1;
  62   masks[2] = msk2;
  63   masks[3] = msk3;
  64   masks[4] = msk4;
  65   masks[5] = msk5;
  66   masks[6] = msk6;
  67   masks[7] = msk7;
  68   masks[8] = msk8;
  69   masks[9] = msk9;
  70   masks[10] = msk10;
  71   masks[11] = msk11;
  72   masks[12] = msk12;
  73   masks[13] = msk13;
  74   masks[14] = msk14;
  75   masks[15] = msk15;
  76
  77   for (i = 0; i < 16; i++)
  78     if (res[i] != val1.c [masks[i]])
  79       abort ();
  80 }