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/* Area:        ffi_call

   Purpose:     Check structures in fastcall/stdcall function

   Limitations: none.

   PR:          none.

   Originator:  From the original ffitest.c  */

/* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */

#include "ffitest.h"

typedef struct

{

  double d1;

  double d2;

} test_structure_2;

static test_structure_2 __attribute__ ((fastcall)) struct2(test_structure_2 ts)

{

  ts.d1--;

  ts.d2--;

  return ts;

}

int main (void)

{

  ffi_cif cif;

  ffi_type *args[MAX_ARGS];

  void *values[MAX_ARGS];

  test_structure_2 ts2_arg;

  ffi_type ts2_type;

  ffi_type *ts2_type_elements[3];

  ts2_type.size = 0;

  ts2_type.alignment = 0;

  ts2_type.type = FFI_TYPE_STRUCT;

  ts2_type.elements = ts2_type_elements;

  ts2_type_elements[0] = &ffi_type_double;

  ts2_type_elements[1] = &ffi_type_double;

  ts2_type_elements[2] = NULL;

  /* This is a hack to get a properly aligned result buffer */

  test_structure_2 *ts2_result =

    (test_structure_2 *) malloc (sizeof(test_structure_2));

  args[0] = &ts2_type;

  values[0] = &ts2_arg;

  /* Initialize the cif */

  CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 1, &ts2_type, args) == FFI_OK);

  ts2_arg.d1 = 5.55;

  ts2_arg.d2 = 6.66;

  printf ("%g\n", ts2_arg.d1);

  printf ("%g\n", ts2_arg.d2);

  ffi_call(&cif, FFI_FN(struct2), ts2_result, values);

  printf ("%g\n", ts2_result->d1);

  printf ("%g\n", ts2_result->d2);

  CHECK(ts2_result->d1 == 5.55 - 1);

  CHECK(ts2_result->d2 == 6.66 - 1);

  free (ts2_result);

  exit(0);

}