return_dbl1.c revision 056e203a7aec4c87c077192ad776b532a3d0305f 
1/* Area:	ffi_call
2   Purpose:	Check return value double.
3   Limitations:	none.
4   PR:		none.
5   Originator:	<andreast@gcc.gnu.org> 20050212  */
6
7/* { dg-do run } */
8#include "ffitest.h"
9
10static double return_dbl(double dbl1, float fl2, unsigned int in3, double dbl4)
11{
12  return dbl1 + fl2 + in3 + dbl4;
13}
14int main (void)
15{
16  ffi_cif cif;
17  ffi_type *args[MAX_ARGS];
18  void *values[MAX_ARGS];
19  double dbl1, dbl4, rdbl;
20  float fl2;
21  unsigned int in3;
22  args[0] = &ffi_type_double;
23  args[1] = &ffi_type_float;
24  args[2] = &ffi_type_uint32;
25  args[3] = &ffi_type_double;
26  values[0] = &dbl1;
27  values[1] = &fl2;
28  values[2] = &in3;
29  values[3] = &dbl4;
30
31  /* Initialize the cif */
32  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
33		     &ffi_type_double, args) == FFI_OK);
34  dbl1 = 127.0;
35  fl2 = 128.0;
36  in3 = 255;
37  dbl4 = 512.7;
38
39  ffi_call(&cif, FFI_FN(return_dbl), &rdbl, values);
40  printf ("%f vs %f\n", rdbl, return_dbl(dbl1, fl2, in3, dbl4));
41  CHECK(rdbl ==  dbl1 + fl2 + in3 + dbl4);
42  exit(0);
43}
44