use crate::abi::call::{ArgAbi, FnAbi, Reg};
use crate::abi::Abi;
pub fn compute_abi_info<Ty>(fn_abi: &mut FnAbi<'_, Ty>) {
let fixup = |a: &mut ArgAbi<'_, Ty>| {
match a.layout.abi {
Abi::Uninhabited => {}
Abi::ScalarPair(..) | Abi::Aggregate { .. } => match a.layout.size.bits() {
8 => a.cast_to(Reg::i8()),
16 => a.cast_to(Reg::i16()),
32 => a.cast_to(Reg::i32()),
64 => a.cast_to(Reg::i64()),
_ => a.make_indirect(),
},
Abi::Vector { .. } => {
}
Abi::Scalar(_) => {
if a.layout.size.bytes() > 8 {
a.make_indirect();
} else {
a.extend_integer_width_to(32);
}
}
}
};
if !fn_abi.ret.is_ignore() {
fixup(&mut fn_abi.ret);
}
for arg in fn_abi.args.iter_mut() {
if arg.is_ignore() {
continue;
}
fixup(arg);
}
}