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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"
promotion(signed char sc,signed short ss,unsigned char uc,unsigned short us)9 static 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 
main(void)17 int 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