1  /* Area:	ffi_call
       2     Purpose:	Check return value long double.
       3     Limitations:	none.
       4     PR:		none.
       5     Originator:	<andreast@gcc.gnu.org> 20071113  */
       6  /* { dg-do run } */
       7  
       8  #include "ffitest.h"
       9  
      10  static long double return_ldl(long double ldl)
      11  {
      12    return 2*ldl;
      13  }
      14  int main (void)
      15  {
      16    ffi_cif cif;
      17    ffi_type *args[MAX_ARGS];
      18    void *values[MAX_ARGS];
      19    long double ldl, rldl;
      20  
      21    args[0] = &ffi_type_longdouble;
      22    values[0] = &ldl;
      23  
      24    /* Initialize the cif */
      25    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
      26  		     &ffi_type_longdouble, args) == FFI_OK);
      27  
      28    for (ldl = -127.0; ldl <  127.0; ldl++)
      29      {
      30        ffi_call(&cif, FFI_FN(return_ldl), &rldl, values);
      31        CHECK(rldl ==  2 * ldl);
      32      }
      33    exit(0);
      34  }