gcc/testsuite/gcc.target/powerpc/sse2-packuswb-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_packuswb_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_packus_epi16 (s1, s2);
  24 }
  25
  26 static void
  27 TEST (void)
  28 {
  29   union128i_w s1, s2;
  30   union128i_ub u;
  31   unsigned char e[16];
  32   int i, tmp;
  33
  34   s1.x = _mm_set_epi16 (1, 2, 3, 4, -5, -6, -7, -8);
  35   s2.x = _mm_set_epi16 (-9, -10, -11, -12, 13, 14, 15, 16);
  36   u.x = test (s1.x, s2.x);
  37
  38   for (i=0; i<8; i++)
  39     {
  40       tmp = s1.a[i]<0 ? 0 : s1.a[i];
  41       tmp = tmp>255 ? 255 : tmp;
  42       e[i] = tmp;
  43
  44       tmp = s2.a[i]<0 ? 0 : s2.a[i];
  45       tmp = tmp>255 ? 255 : tmp;
  46       e[i+8] = tmp;
  47     }
  48
  49   if (check_union128i_ub (u, e))
  50 #if DEBUG
  51     {
  52       printf ("sse2_test_packuswb_1; check_union128i_w failed\n");
  53       printf ("\t ([%x,%x,%x,%x, %x,%x,%x,%x], [%x,%x,%x,%x, %x,%x,%x,%x])\n",
  54               s1.a[0], s1.a[1], s1.a[2], s1.a[3], s1.a[4], s1.a[5], s1.a[6],
  55               s1.a[7], s2.a[0], s2.a[1], s2.a[2], s2.a[3], s2.a[4], s2.a[5],
  56               s2.a[6], s2.a[7]);
  57       printf ("\t\t -> [%x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x]\n",
  58               u.a[0], u.a[1], u.a[2], u.a[3], u.a[4], u.a[5], u.a[6], u.a[7],
  59               u.a[8], u.a[9], u.a[10], u.a[11], u.a[12], u.a[13], u.a[14],
  60               u.a[15]);
  61       printf (
  62           "\t expect [%x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x]\n",
  63           e[0], e[1], e[2], e[3], e[4], e[5], e[6], e[7], e[8], e[9], e[10],
  64           e[11], e[12], e[13], e[14], e[15]);
  65     }
  66 #else
  67     abort ();
  68 #endif
  69 }