libffi/testsuite/libffi.call/return_ll1.c

   1 /* Area:        ffi_call
   2    Purpose:     Check if long long are passed in the corresponding regs on ppc.
   3    Limitations: none.
   4    PR:          20104.
   5    Originator:  <andreast@gcc.gnu.org> 20050222  */
   6
   7 /* { dg-do run } */
   8 #include "ffitest.h"
   9 static long long return_ll(int ll0, long long ll1, int ll2)
  10 {
  11   return ll0 + ll1 + ll2;
  12 }
  13
  14 int main (void)
  15 {
  16   ffi_cif cif;
  17   ffi_type *args[MAX_ARGS];
  18   void *values[MAX_ARGS];
  19   long long rlonglong;
  20   long long ll1;
  21   unsigned ll0, ll2;
  22
  23   args[0] = &ffi_type_sint;
  24   args[1] = &ffi_type_sint64;
  25   args[2] = &ffi_type_sint;
  26   values[0] = &ll0;
  27   values[1] = &ll1;
  28   values[2] = &ll2;
  29
  30   /* Initialize the cif */
  31   CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
  32                      &ffi_type_sint64, args) == FFI_OK);
  33
  34   ll0 = 11111111;
  35   ll1 = 11111111111000LL;
  36   ll2 = 11111111;
  37
  38   ffi_call(&cif, FFI_FN(return_ll), &rlonglong, values);
  39   printf("res: %lld, %lld\n", rlonglong, ll0 + ll1 + ll2);
  40   /* { dg-output "res: 11111133333222, 11111133333222" } */
  41   exit(0);
  42 }