Viewing file:  promotion.c (1.32 KB) -rw-r--r--
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/* Area: ffi_call
Purpose: Promotion test.
Limitations: none.
PR: none.
Originator: From the original ffitest.c */
/* { dg-do run } */
#include "ffitest.h"
static int promotion(signed char sc, signed short ss,
unsigned char uc, unsigned short us)
{
int r = (int) sc + (int) ss + (int) uc + (int) us;
return r;
}
int main (void)
{
ffi_cif cif;
ffi_type *args[MAX_ARGS];
void *values[MAX_ARGS];
ffi_arg rint;
signed char sc;
unsigned char uc;
signed short ss;
unsigned short us;
unsigned long ul;
args[0] = &ffi_type_schar;
args[1] = &ffi_type_sshort;
args[2] = &ffi_type_uchar;
args[3] = &ffi_type_ushort;
values[0] = ≻
values[1] = &ss;
values[2] = &uc;
values[3] = &us;
/* Initialize the cif */
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
&ffi_type_sint, args) == FFI_OK);
us = 0;
ul = 0;
for (sc = (signed char) -127;
sc <= (signed char) 120; sc += 1)
for (ss = -30000; ss <= 30000; ss += 10000)
for (uc = (unsigned char) 0;
uc <= (unsigned char) 200; uc += 20)
for (us = 0; us <= 60000; us += 10000)
{
ul++;
ffi_call(&cif, FFI_FN(promotion), &rint, values);
CHECK((int)rint == (signed char) sc + (signed short) ss +
(unsigned char) uc + (unsigned short) us);
}
printf("%lu promotion tests run\n", ul);
exit(0);
}
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