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 
return_ldl(long double ldl)10 static long double return_ldl(long double ldl)
11 {
12   return 2*ldl;
13 }
main(void)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 }
35