--- old/src/cpu/aarch64/vm/c1_MacroAssembler_aarch64.cpp	2017-09-21 10:12:20.229402778 -0400
+++ new/src/cpu/aarch64/vm/c1_MacroAssembler_aarch64.cpp	2017-09-21 10:12:19.965392704 -0400
@@ -358,6 +358,16 @@
 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) {