rustc_target/callconv/
powerpc.rs

1use rustc_abi::TyAbiInterface;
2
3use crate::callconv::{ArgAbi, FnAbi};
4use crate::spec::HasTargetSpec;
5
6fn classify_ret<Ty>(ret: &mut ArgAbi<'_, Ty>) {
7    if ret.layout.is_aggregate() {
8        ret.make_indirect();
9    } else {
10        ret.extend_integer_width_to(32);
11    }
12}
13
14fn classify_arg<'a, Ty, C: HasTargetSpec>(cx: &C, arg: &mut ArgAbi<'a, Ty>)
15where
16    Ty: TyAbiInterface<'a, C> + Copy,
17{
18    if arg.is_ignore() {
19        // powerpc-unknown-linux-{gnu,musl,uclibc} doesn't ignore ZSTs.
20        if cx.target_spec().os == "linux"
21            && matches!(&*cx.target_spec().env, "gnu" | "musl" | "uclibc")
22            && arg.layout.is_zst()
23        {
24            arg.make_indirect_from_ignore();
25        }
26        return;
27    }
28    if arg.layout.pass_indirectly_in_non_rustic_abis(cx) || arg.layout.is_aggregate() {
29        arg.make_indirect();
30    } else {
31        arg.extend_integer_width_to(32);
32    }
33}
34
35pub(crate) fn compute_abi_info<'a, Ty, C: HasTargetSpec>(cx: &C, fn_abi: &mut FnAbi<'a, Ty>)
36where
37    Ty: TyAbiInterface<'a, C> + Copy,
38{
39    if !fn_abi.ret.is_ignore() {
40        classify_ret(&mut fn_abi.ret);
41    }
42
43    for arg in fn_abi.args.iter_mut() {
44        classify_arg(cx, arg);
45    }
46}
rustc_target/callconv/powerpc.rs

rustc_target/callconv/
powerpc.rs
