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

   1 /* { dg-do run } */
   2 /* { dg-options "-O3" } */
   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 "mmx-check.h"
  10 #endif
  11
  12 #ifndef TEST
  13 #define TEST mmx_test
  14 #endif
  15
  16 #include CHECK_H
  17
  18 #include <mmintrin.h>
  19
  20 static __m64
  21 __attribute__((noinline, unused))
  22 test (__m64 s1, __m64 s2)
  23 {
  24   return _mm_packs_pu16 (s1, s2);
  25 }
  26
  27 static void
  28 TEST (void)
  29 {
  30   __m64_union s1, s2;
  31   __m64_union u;
  32   __m64_union e;
  33   int i, tmp;
  34
  35   s1.as_m64 = _mm_set_pi16 (1, 2, 3, 4);
  36   s2.as_m64 = _mm_set_pi16 (-9, -10, -11, -12);
  37   u.as_m64 = test (s1.as_m64, s2.as_m64);
  38
  39   for (i=0; i<4; i++)
  40     {
  41       tmp = s1.as_short[i]<0 ? 0 : s1.as_short[i];
  42       tmp = tmp>255 ? 255 : tmp;
  43       e.as_char[i] = tmp;
  44
  45       tmp = s2.as_short[i]<0 ? 0 : s2.as_short[i];
  46       tmp = tmp>255 ? 255 : tmp;
  47       e.as_char[i+4] = tmp;
  48     }
  49
  50   if (u.as_m64 != e.as_m64)
  51     abort ();
  52 }