src/hotspot/cpu/aarch64/c1_MacroAssembler_aarch64.cpp

BarrierSetC1

 /*
- * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as

@@ -356,10 +356,20
 
 
 void C1_MacroAssembler::verified_entry() {
 }
 
+void C1_MacroAssembler::load_parameter(int offset_in_words, Register reg) {
+  // rbp, + 0: link
+  //     + 1: return address
+  //     + 2: argument with offset 0
+  //     + 3: argument with offset 1
+  //     + 4: ...
+
+  ldr(reg, Address(rfp, (offset_in_words + 2) * BytesPerWord));
+}
+
 #ifndef PRODUCT
 
 void C1_MacroAssembler::verify_stack_oop(int stack_offset) {
   if (!VerifyOops) return;
   verify_oop_addr(Address(sp, stack_offset), "oop");