gcc/testsuite/gcc.target/i386/sse2-vec-5.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse2" } */
   3 /* { dg-require-effective-target sse2 } */
   4
   5 #include "sse2-check.h"
   6
   7 #include <emmintrin.h>
   8
   9 static void
  10 sse2_test (void)
  11 {
  12   union
  13     {
  14       __m128i x;
  15       char c[16];
  16       short s[8];
  17       int i[4];
  18       long long ll[2];
  19     } val1;
  20   char res[16];
  21   int masks[16];
  22   int i;
  23
  24   for (i = 0; i < 16; i++)
  25     val1.c[i] = i;
  26
  27   res[0] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 0);
  28   res[1] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 1);
  29   res[2] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 2);
  30   res[3] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 3);
  31   res[4] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 4);
  32   res[5] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 5);
  33   res[6] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 6);
  34   res[7] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 7);
  35   res[8] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 8);
  36   res[9] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 9);
  37   res[10] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 10);
  38   res[11] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 11);
  39   res[12] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 12);
  40   res[13] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 13);
  41   res[14] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 14);
  42   res[15] = __builtin_ia32_vec_ext_v16qi ((__v16qi)val1.x, 15);
  43
  44   for (i = 0; i < 16; i++)
  45     masks[i] = i;
  46
  47   for (i = 0; i < 16; i++)
  48     if (res[i] != val1.c [masks[i]])
  49       abort ();
  50 }