From d6bec9017ec205fe790aaed2e4721b2f85b674f3 Mon Sep 17 00:00:00 2001
From: Martin Balao <mbalao@openjdk.org>
Date: Fri, 15 Feb 2019 11:46:15 -0300
Subject: [PATCH] 8219011: Implement MacroAssembler::warn method on AArch64

Reviewed-by: adinn
---
 src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp b/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
index f24f4e46d61..c32394a95b8 100644
--- a/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
+++ b/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
@@ -2167,6 +2167,14 @@ void MacroAssembler::stop(const char* msg) {
   hlt(0);
 }
 
+void MacroAssembler::warn(const char* msg) {
+  pusha();
+  mov(c_rarg0, (address)msg);
+  mov(lr, CAST_FROM_FN_PTR(address, warning));
+  blrt(lr, 1, 0, MacroAssembler::ret_type_void);
+  popa();
+}
+
 void MacroAssembler::unimplemented(const char* what) {
   const char* buf = NULL;
   {