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

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mvsx" } */
   3 /* { dg-additional-options "-mdejagnu-cpu=power8" { target { ! has_arch_pwr8 } } } */
   4 /* { dg-require-effective-target p8vector_hw } */
   5
   6 #define NO_WARN_X86_INTRINSICS 1
   7
   8 #ifndef CHECK_H
   9 #define CHECK_H "sse-check.h"
  10 #endif
  11
  12 #include CHECK_H
  13
  14 #ifndef TEST
  15 #define TEST sse_test_psadbw_1
  16 #endif
  17
  18 #include <xmmintrin.h>
  19
  20 static __m64
  21 __attribute__((noinline, unused))
  22 test (__m64 s1, __m64 s2)
  23 {
  24   return _mm_sad_pu8 (s1, s2);
  25 }
  26
  27 static void
  28 TEST (void)
  29 {
  30   __m64_union u, e, s1, s2;
  31   unsigned char tmp[8];
  32   int i;
  33
  34   e.as_m64 = 0;
  35   s1.as_m64 = _mm_set_pi8 (1, 2, 3, 4, 5, 6, 7, 8);
  36   s2.as_m64 = _mm_set_pi8 (8, 7, 6, 5, 4, 3, 2, 1);
  37   u.as_m64 = test (s1.as_m64, s2.as_m64);
  38
  39   for (i = 0; i < 8; i++)
  40     tmp [i] = __builtin_abs (s1.as_char[i] - s2.as_char[i]);
  41
  42   for (i = 0; i < 8; i++)
  43     e.as_short[0] += tmp[i];
  44
  45   if (u.as_m64 != e.as_m64)
  46     abort ();
  47 }