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 
return_dbl(double dbl1,float fl2,unsigned int in3,double dbl4)10 static double return_dbl(double dbl1, float fl2, unsigned int in3, double dbl4)
11 {
12   return dbl1 + fl2 + in3 + dbl4;
13 }
main(void)14 int 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_uint;
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