# HG changeset patch
# User adinn
# Date 1516877753 0
#      Thu Jan 25 10:55:53 2018 +0000
# Node ID b62f61a8adf4485a2f2724ad1183d98609a7f04d
# Parent  48ce4b11bc1770121596a642e8fda5392e16fb7e
8196136: AArch64: Correct register use in patch for JDK-8195685
Summary: itable stubs must not use java argument registers as scratch registers
Reviewed-by: duke

diff --git a/src/hotspot/cpu/aarch64/vtableStubs_aarch64.cpp b/src/hotspot/cpu/aarch64/vtableStubs_aarch64.cpp
--- a/src/hotspot/cpu/aarch64/vtableStubs_aarch64.cpp
+++ b/src/hotspot/cpu/aarch64/vtableStubs_aarch64.cpp
@@ -145,9 +145,9 @@
   //  j_rarg0: Receiver
 
 
-  // Most registers are in use; we'll use r0, rmethod, r10, r11
+  // Most registers are in use; we'll use r19, rmethod, r10, r11
   const Register recv_klass_reg     = r10;
-  const Register holder_klass_reg   = r0; // declaring interface klass (DECC)
+  const Register holder_klass_reg   = r19; // declaring interface klass (DECC)
   const Register resolved_klass_reg = rmethod; // resolved interface klass (REFC)
   const Register temp_reg           = r11;
   const Register icholder_reg       = rscratch2;