1 files changed, 34 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/callconv/m68k.rs b/compiler/rustc_target/src/callconv/m68k.rs
new file mode 100644
index 00000000000..82fe81f8c52
--- /dev/null
+++ b/compiler/rustc_target/src/callconv/m68k.rs
@@ -0,0 +1,34 @@
+use crate::abi::call::{ArgAbi, FnAbi};
+
+fn classify_ret<Ty>(ret: &mut ArgAbi<'_, Ty>) {
+    if ret.layout.is_aggregate() {
+        ret.make_indirect();
+    } else {
+        ret.extend_integer_width_to(32);
+    }
+}
+
+fn classify_arg<Ty>(arg: &mut ArgAbi<'_, Ty>) {
+    if !arg.layout.is_sized() {
+        // Not touching this...
+        return;
+    }
+    if arg.layout.is_aggregate() {
+        arg.pass_by_stack_offset(None);
+    } else {
+        arg.extend_integer_width_to(32);
+    }
+}
+
+pub(crate) fn compute_abi_info<Ty>(fn_abi: &mut FnAbi<'_, Ty>) {
+    if !fn_abi.ret.is_ignore() {
+        classify_ret(&mut fn_abi.ret);
+    }
+
+    for arg in fn_abi.args.iter_mut() {
+        if arg.is_ignore() {
+            continue;
+        }
+        classify_arg(arg);
+    }
+}