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

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
   3 /* { dg-require-effective-target p8vector_hw } */
   4
   5 #ifndef CHECK_H
   6 #define CHECK_H "sse2-check.h"
   7 #endif
   8
   9 #include CHECK_H
  10
  11 #ifndef TEST
  12 #define TEST sse2_test_psadbw_1
  13 #endif
  14
  15 #include <emmintrin.h>
  16
  17 static __m128i
  18 __attribute__((noinline, unused))
  19 test (__m128i s1, __m128i s2)
  20 {
  21   return _mm_sad_epu8 (s1, s2);
  22 }
  23
  24 static void
  25 TEST (void)
  26 {
  27   union128i_ub s1, s2;
  28   union128i_w u;
  29   short e[8] = { 0 };
  30   unsigned char tmp[16];
  31   int i;
  32
  33   s1.x = _mm_set_epi8 (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16);
  34   s2.x = _mm_set_epi8 (16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1);
  35   u.x = test (s1.x, s2.x);
  36
  37   for (i = 0; i < 16; i++)
  38     tmp [i] = __builtin_abs (s1.a[i] - s2.a[i]);
  39
  40   for (i = 0; i < 8; i++)
  41     e[0] += tmp[i];
  42
  43   for (i = 8; i < 16; i++)
  44     e[4] += tmp[i];
  45
  46
  47   if (check_union128i_w (u, e))
  48     {
  49 #if DEBUG
  50       printf ("sse2_test_psadbw_1; check_union128i_w failed\n");
  51       printf ("\tadds\t([%x,%x,%x,%x, %x,%x,%x,%x,"
  52               " %x,%x,%x,%x, %x,%x,%x,%x],\n",
  53               s1.a[0], s1.a[1], s1.a[2], s1.a[3], s1.a[4], s1.a[5], s1.a[6],
  54               s1.a[7], s1.a[8], s1.a[9], s1.a[10], s1.a[11], s1.a[12],
  55               s1.a[13], s1.a[14], s1.a[15]);
  56       printf ("\t\t [%x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x, %x,%x,%x,%x])\n",
  57               s2.a[0], s2.a[1], s2.a[2], s2.a[3], s2.a[4], s2.a[5], s2.a[6],
  58               s2.a[7], s2.a[8], s2.a[9], s2.a[10], s2.a[11], s2.a[12],
  59               s2.a[13], s2.a[14], s2.a[15]);
  60       printf ("\t ->\t [%x,%x,%x,%x, %x,%x,%x,%x]\n", u.a[0], u.a[1], u.a[2],
  61               u.a[3], u.a[4], u.a[5], u.a[6], u.a[7]);
  62       printf ("\texpect\t [%x,%x,%x,%x, %x,%x,%x,%x]\n", e[0], e[1], e[2],
  63               e[3], e[4], e[5], e[6], e[7]);
  64 #endif
  65       abort ();
  66     }
  67 }