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

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mpower8-vector" } */
   3 /* { dg-require-effective-target lp64 } */
   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_pavgw_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_avg_pu16 (s1, s2);
  25 }
  26
  27 static void
  28 TEST (void)
  29 {
  30   __m64_union u, s1, s2;
  31   __m64_union e;
  32   int i, tmp;
  33
  34   s1.as_m64 = _mm_set_pi16 (1, 2, 3, 4);
  35   s2.as_m64 = _mm_set_pi16 (11, 98, 76, -100);
  36   u.as_m64 = test (s1.as_m64, s2.as_m64);
  37
  38   for (i = 0; i < 4; i++)
  39     {
  40       tmp = (unsigned short) s1.as_short[i] + (unsigned short) s2.as_short[i]
  41           + 1;
  42       e.as_short[i] = tmp >> 1;
  43     }
  44
  45   if (u.as_m64 != e.as_m64)
  46 #if DEBUG
  47     {
  48       printf ("test_mmx_pavgw_1; failed\n");
  49       printf ("\t _mm_avg_pu16 (%llx, %llx) -> %llx != %llx\n", s1.as_m64,
  50               s2.as_m64, u.as_m64, e.as_m64);
  51     }
  52 #else
  53   abort ();
  54 #endif
  55 }