gcc/testsuite/gcc.target/i386/sse2-vec-6.c

   1 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   2 /* { dg-options "-O2 -msse2" } */
   3
   4 #include "sse2-check.h"
   5
   6 #include <emmintrin.h>
   7 #include <string.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, res[16], tmp;
  20   short ins[8] = { 8, 5, 9, 4, 2, 6, 1, 20 };
  21   int masks[8];
  22   int i;
  23
  24   for (i = 0; i < 16; i++)
  25     val1.c[i] = i;
  26
  27   res[0].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  28                                                     ins[0], 0);
  29   res[1].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  30                                                     ins[0], 1);
  31   res[2].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  32                                                     ins[0], 2);
  33   res[3].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  34                                                     ins[0], 3);
  35   res[4].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  36                                                     ins[0], 4);
  37   res[5].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  38                                                     ins[0], 5);
  39   res[6].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  40                                                     ins[0], 6);
  41   res[7].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  42                                                     ins[0], 7);
  43
  44   for (i = 0; i < 8; i++)
  45     masks[i] = i;
  46
  47   for (i = 0; i < 8; i++)
  48     {
  49       tmp.x = val1.x;
  50       tmp.s[masks[i]] = ins[0];
  51       if (memcmp (&tmp, &res[i], sizeof (tmp)))
  52         abort ();
  53     }
  54
  55   for (i = 0; i < 8; i++)
  56     {
  57       res[i].x = (__m128i) __builtin_ia32_vec_set_v8hi ((__v8hi)val1.x,
  58                                                         ins[i], 0);
  59       masks[i] = 0;
  60     }
  61
  62   for (i = 0; i < 8; i++)
  63     {
  64       tmp.x = val1.x;
  65       tmp.s[masks[i]] = ins[i];
  66       if (memcmp (&tmp, &res[i], sizeof (tmp)))
  67         abort ();
  68     }
  69 }