gcc/testsuite/gcc.target/powerpc/mmx-paddusw-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mpower8-vector" } */
   3 /* { dg-require-effective-target p8vector_hw } */
   4
   5 #define NO_WARN_X86_INTRINSICS 1
   6 #ifndef CHECK_H
   7 #define CHECK_H "mmx-check.h"
   8 #endif
   9
  10 #ifndef TEST
  11 #define TEST mmx_test
  12 #endif
  13
  14 #include CHECK_H
  15
  16 #include <mmintrin.h>
  17
  18 static __m64
  19 __attribute__((noinline, unused))
  20 test (__m64 s1, __m64 s2)
  21 {
  22   return _mm_adds_pu16 (s1, s2);
  23 }
  24
  25 static void
  26 TEST (void)
  27 {
  28   __m64_union u, s1, s2;
  29   __m64_union e;
  30   int i, tmp;
  31
  32   s1.as_m64 = _mm_set_pi16 (1, 2, 3, 4);
  33   s2.as_m64 = _mm_set_pi16 (11, 98, 76, 100);
  34   u.as_m64 = test (s1.as_m64, s2.as_m64);
  35
  36   for (i = 0; i < 4; i++)
  37     {
  38       tmp = (unsigned short)s1.as_short[i] + (unsigned short)s2.as_short[i];
  39
  40       if (tmp > 65535)
  41         tmp = -1;
  42
  43       if (tmp < 0)
  44         tmp = 0;
  45
  46       e.as_short[i] = tmp;
  47     }
  48
  49   if (u.as_m64 != e.as_m64)
  50     abort ();
  51 }