]> git.proxmox.com Git - rustc.git/blob - compiler/rustc_target/src/abi/call/nvptx64.rs
New upstream version 1.55.0+dfsg1
[rustc.git] / compiler / rustc_target / src / abi / call / nvptx64.rs
1 // Reference: PTX Writer's Guide to Interoperability
2 // https://docs.nvidia.com/cuda/ptx-writers-guide-to-interoperability
3
4 use crate::abi::call::{ArgAbi, FnAbi};
5
6 fn classify_ret<Ty>(ret: &mut ArgAbi<'_, Ty>) {
7 if ret.layout.is_aggregate() && ret.layout.size.bits() > 64 {
8 ret.make_indirect();
9 } else {
10 ret.extend_integer_width_to(64);
11 }
12 }
13
14 fn classify_arg<Ty>(arg: &mut ArgAbi<'_, Ty>) {
15 if arg.layout.is_aggregate() && arg.layout.size.bits() > 64 {
16 arg.make_indirect();
17 } else {
18 arg.extend_integer_width_to(64);
19 }
20 }
21
22 pub fn compute_abi_info<Ty>(fn_abi: &mut FnAbi<'_, Ty>) {
23 if !fn_abi.ret.is_ignore() {
24 classify_ret(&mut fn_abi.ret);
25 }
26
27 for arg in &mut fn_abi.args {
28 if arg.is_ignore() {
29 continue;
30 }
31 classify_arg(arg);
32 }
33 }