mirror of
https://github.com/autc04/Retro68.git
synced 2024-09-10 03:54:48 +00:00
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/* Area: ffi_call
|
|
Purpose: Check return value float.
|
|
Limitations: none.
|
|
PR: none.
|
|
Originator: <andreast@gcc.gnu.org> 20050212 */
|
|
|
|
/* { dg-do run } */
|
|
#include "ffitest.h"
|
|
|
|
/* Use volatile float to avoid false negative on ix86. See PR target/323. */
|
|
static float return_fl(float fl1, float fl2, float fl3, float fl4)
|
|
{
|
|
volatile float sum;
|
|
|
|
sum = fl1 + fl2 + fl3 + fl4;
|
|
return sum;
|
|
}
|
|
int main (void)
|
|
{
|
|
ffi_cif cif;
|
|
ffi_type *args[MAX_ARGS];
|
|
void *values[MAX_ARGS];
|
|
float fl1, fl2, fl3, fl4, rfl;
|
|
volatile float sum;
|
|
|
|
args[0] = &ffi_type_float;
|
|
args[1] = &ffi_type_float;
|
|
args[2] = &ffi_type_float;
|
|
args[3] = &ffi_type_float;
|
|
values[0] = &fl1;
|
|
values[1] = &fl2;
|
|
values[2] = &fl3;
|
|
values[3] = &fl4;
|
|
|
|
/* Initialize the cif */
|
|
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
|
|
&ffi_type_float, args) == FFI_OK);
|
|
fl1 = 127.0;
|
|
fl2 = 128.0;
|
|
fl3 = 255.1;
|
|
fl4 = 512.7;
|
|
|
|
ffi_call(&cif, FFI_FN(return_fl), &rfl, values);
|
|
printf ("%f vs %f\n", rfl, return_fl(fl1, fl2, fl3, fl4));
|
|
|
|
sum = fl1 + fl2 + fl3 + fl4;
|
|
CHECK(rfl == sum);
|
|
exit(0);
|
|
}
|