1/* Area:	ffi_call
2   Purpose:	Promotion test.
3   Limitations:	none.
4   PR:		none.
5   Originator:	From the original ffitest.c  */
6
7/* { dg-do run } */
8#include "ffitest.h"
9static int promotion(signed char sc, signed short ss,
10		     unsigned char uc, unsigned short us)
11{
12  int r = (int) sc + (int) ss + (int) uc + (int) us;
13
14  return r;
15}
16
17int main (void)
18{
19  ffi_cif cif;
20  ffi_type *args[MAX_ARGS];
21  void *values[MAX_ARGS];
22  ffi_arg rint;
23  signed char sc;
24  unsigned char uc;
25  signed short ss;
26  unsigned short us;
27  unsigned long ul;
28
29  args[0] = &ffi_type_schar;
30  args[1] = &ffi_type_sshort;
31  args[2] = &ffi_type_uchar;
32  args[3] = &ffi_type_ushort;
33  values[0] = ≻
34  values[1] = &ss;
35  values[2] = &uc;
36  values[3] = &us;
37
38  /* Initialize the cif */
39  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
40		     &ffi_type_sint, args) == FFI_OK);
41
42  us = 0;
43  ul = 0;
44
45  for (sc = (signed char) -127;
46       sc <= (signed char) 120; sc += 1)
47    for (ss = -30000; ss <= 30000; ss += 10000)
48      for (uc = (unsigned char) 0;
49	   uc <= (unsigned char) 200; uc += 20)
50	for (us = 0; us <= 60000; us += 10000)
51	  {
52	    ul++;
53	    ffi_call(&cif, FFI_FN(promotion), &rint, values);
54	    CHECK((int)rint == (signed char) sc + (signed short) ss +
55		  (unsigned char) uc + (unsigned short) us);
56	  }
57  printf("%lu promotion tests run\n", ul);
58  exit(0);
59}
60