@@ -67,11 +67,11 @@
 	objc_hashtable_set(selectors, name, rsel);
 	objc_sparsearray_set(selector_names, (uint32_t)rsel->uid, (void *)name);
 }
 
 SEL
-sel_registerName(const char *name)
+sel_registerName(const char *name OBJC_M68K_REG("a0"))
 {
 	const struct objc_abi_selector *rsel;
 	struct objc_abi_selector *sel;
 
 	objc_global_mutex_lock();
@@ -114,11 +114,11 @@
 	for (sel = symtab->sel_refs; sel->name != NULL; sel++)
 		objc_register_selector(sel);
 }
 
 const char *
-sel_getName(SEL sel)
+sel_getName(SEL sel OBJC_M68K_REG("a0"))
 {
 	const char *ret;
 
 	objc_global_mutex_lock();
 	ret = objc_sparsearray_get(selector_names, (uint32_t)sel->uid);
@@ -126,11 +126,11 @@
 
 	return ret;
 }
 
 bool
-sel_isEqual(SEL sel1, SEL sel2)
+sel_isEqual(SEL sel1 OBJC_M68K_REG("a0"), SEL sel2 OBJC_M68K_REG("a1"))
 {
 	return (sel1->uid == sel2->uid);
 }
 
 void