blob: 7e7e483fea0c0cd340cdddf514a0303c6b61e6ec [file] [log] [blame]
// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![allow(non_upper_case_globals)]
use abi::{FnType, ArgType, LayoutExt};
fn classify_ret_ty(ret: &mut ArgType) {
if ret.layout.is_aggregate() && ret.layout.size.bits() > 64 {
ret.make_indirect();
} else {
ret.extend_integer_width_to(32);
}
}
fn classify_arg_ty(arg: &mut ArgType) {
if arg.layout.is_aggregate() && arg.layout.size.bits() > 64 {
arg.make_indirect();
} else {
arg.extend_integer_width_to(32);
}
}
pub fn compute_abi_info(fty: &mut FnType) {
if !fty.ret.is_ignore() {
classify_ret_ty(&mut fty.ret);
}
for arg in &mut fty.args {
if arg.is_ignore() {
continue;
}
classify_arg_ty(arg);
}
}