gcc/testsuite/gcc.target/i386/sse2-vec-6.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 #include <string.h>
   9
  10 static void
  11 sse2_test (void)
  12 {
  13   union
  14     {
  15       __m128i x;
  16       char c[16];
  17       short s[8];
  18       int i[4];
  19       long long ll[2];
  20     } val1, res[16], tmp;
  21   short ins[8] = { 8, 5, 9, 4, 2, 6, 1, 20 };
  22   int masks[8];
  23   int i;
  24
  25   for (i = 0; i < 16; i++)
  26     val1.c[i] = i;
  27
  28   res[0].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  29                                                     ins[0], 0);
  30   res[1].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  31                                                     ins[0], 1);
  32   res[2].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  33                                                     ins[0], 2);
  34   res[3].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  35                                                     ins[0], 3);
  36   res[4].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  37                                                     ins[0], 4);
  38   res[5].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  39                                                     ins[0], 5);
  40   res[6].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  41                                                     ins[0], 6);
  42   res[7].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  43                                                     ins[0], 7);
  44
  45   for (i = 0; i < 8; i++)
  46     masks[i] = i;
  47
  48   for (i = 0; i < 8; i++)
  49     {
  50       tmp.x = val1.x;
  51       tmp.s[masks[i]] = ins[0];
  52       if (memcmp (&tmp, &res[i], sizeof (tmp)))
  53         abort ();
  54     }
  55
  56   for (i = 0; i < 8; i++)
  57     {
  58       res[i].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  59                                                         ins[i], 0);
  60       masks[i] = 0;
  61     }
  62
  63   for (i = 0; i < 8; i++)
  64     {
  65       tmp.x = val1.x;
  66       tmp.s[masks[i]] = ins[i];
  67       if (memcmp (&tmp, &res[i], sizeof (tmp)))
  68         abort ();
  69     }
  70 }