gcc/testsuite/gcc.target/powerpc/sse2-packsswb-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
   3 /* { dg-require-effective-target lp64 } */
   4 /* { dg-require-effective-target p8vector_hw } */
   5
   6 #ifndef CHECK_H
   7 #define CHECK_H "sse2-check.h"
   8 #endif
   9
  10 #include CHECK_H
  11
  12 #ifndef TEST
  13 #define TEST sse2_test_packsswb_1
  14 #endif
  15
  16 #include <emmintrin.h>
  17
  18 static __m128i
  19 __attribute__((noinline, unused))
  20 test (__m128i s1, __m128i s2)
  21 {
  22   __asm("" : "+v"(s1), "+v"(s2));
  23   return _mm_packs_epi16 (s1, s2);
  24 }
  25
  26 static void
  27 TEST (void)
  28 {
  29   union128i_w s1, s2;
  30   union128i_b u;
  31   char e[16];
  32   int i;
  33
  34   s1.x = _mm_set_epi16 (2134, -128, 1234, 6354, 1002, 3004, 4050, 9999);
  35   s2.x = _mm_set_epi16 (41124, 234, 2344, 2354, 607, 1, 2, -8009);
  36   u.x = test (s1.x, s2.x);
  37
  38   for (i = 0; i < 8; i++)
  39     {
  40       if (s1.a[i] > 127)
  41         e[i] = 127;
  42       else if (s1.a[i] < -128)
  43         e[i] = -128;
  44       else
  45         e[i] = s1.a[i];
  46     }
  47
  48   for (i = 0; i < 8; i++)
  49    {
  50       if (s2.a[i] > 127)
  51         e[i+8] = 127;
  52       else if (s2.a[i] < -128)
  53         e[i+8] = -128;
  54       else
  55         e[i+8] = s2.a[i];
  56     }
  57
  58   if (check_union128i_b (u, e))
  59 #if DEBUG
  60     {
  61       printf ("sse2_test_packsswb_1; check_union128i_w failed\n");
  62       printf ("\t ([%x,%x,%x,%x, %x,%x,%x,%x], [%x,%x,%x,%x, %x,%x,%x,%x])\n",
  63               s1.a[0], s1.a[1], s1.a[2], s1.a[3], s1.a[4], s1.a[5], s1.a[6],
  64               s1.a[7], s2.a[0], s2.a[1], s2.a[2], s2.a[3], s2.a[4], s2.a[5],
  65               s2.a[6], s2.a[7]);
  66       printf ("\t\t -> [%x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x]\n",
  67               u.a[0], u.a[1], u.a[2], u.a[3], u.a[4], u.a[5], u.a[6], u.a[7],
  68               u.a[8], u.a[9], u.a[10], u.a[11], u.a[12], u.a[13], u.a[14],
  69               u.a[15]);
  70       printf (
  71           "\t expect [%x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x]\n",
  72           e[0], e[1], e[2], e[3], e[4], e[5], e[6], e[7], e[8], e[9], e[10],
  73           e[11], e[12], e[13], e[14], e[15]);
  74     }
  75 #else
  76     abort ();
  77 #endif
  78 }