gcc/testsuite/gcc.target/powerpc/swaps-p8-46.c

   1 /* { dg-do run { target le } } */
   2 /* { dg-require-effective-target powerpc_p8vector_ok } */
   3 /* { dg-options "-mdejagnu-cpu=power8 -O2 " } */
   4
   5 typedef __attribute__ ((__aligned__ (8))) unsigned long long __m64;
   6 typedef float __m128 __attribute__ ((__vector_size__ (16), __may_alias__));
   7
   8 /* PR84033.  Extracted from xmmintrin.h but with a pointer param to
   9    allow swaps to happen when not inline.  */
  10 int __attribute__ ((__noinline__))
  11 _mm_movemask_ps (__m128 *__A)
  12 {
  13   __vector __m64 result;
  14   static const __vector unsigned int perm_mask =
  15     {
  16       0x00204060, 0x80808080, 0x80808080, 0x80808080
  17     };
  18
  19   result = (__vector __m64)
  20     __builtin_vec_vbpermq ((__vector unsigned char) (*__A),
  21                            (__vector unsigned char) perm_mask);
  22   return result[1];
  23 }
  24
  25 int
  26 main (void)
  27 {
  28   union { unsigned int i[4]; __m128 m; } x
  29     = { 0x80000000, 0x80000000, 0x7fffffff, 0x7fffffff };
  30   if (_mm_movemask_ps (&x.m) != 3)
  31     __builtin_abort ();
  32   return 0;
  33 }