1 /* Area: ffi_call 2 Purpose: Check return value float. 3 Limitations: none. 4 PR: none. 5 Originator: <andreast (at) gcc.gnu.org> 20050212 */ 6 7 /* { dg-do run } */ 8 #include "ffitest.h" 9 10 static float return_fl(float fl1, float fl2, unsigned int in3, float fl4) 11 { 12 return fl1 + fl2 + in3 + fl4; 13 } 14 int main (void) 15 { 16 ffi_cif cif; 17 ffi_type *args[MAX_ARGS]; 18 void *values[MAX_ARGS]; 19 float fl1, fl2, fl4, rfl; 20 unsigned int in3; 21 args[0] = &ffi_type_float; 22 args[1] = &ffi_type_float; 23 args[2] = &ffi_type_uint; 24 args[3] = &ffi_type_float; 25 values[0] = &fl1; 26 values[1] = &fl2; 27 values[2] = &in3; 28 values[3] = &fl4; 29 30 /* Initialize the cif */ 31 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, 32 &ffi_type_float, args) == FFI_OK); 33 fl1 = 127.0; 34 fl2 = 128.0; 35 in3 = 255; 36 fl4 = 512.7; 37 38 ffi_call(&cif, FFI_FN(return_fl), &rfl, values); 39 printf ("%f vs %f\n", rfl, return_fl(fl1, fl2, in3, fl4)); 40 CHECK(rfl == fl1 + fl2 + in3 + fl4); 41 exit(0); 42 } 43
