From 313932af0acb0ab23089a2b3bd34e1613874fa8b Mon Sep 17 00:00:00 2001
From: Tobias Hartmann <thartmann@openjdk.org>
Date: Thu, 3 Feb 2022 06:20:49 +0000
Subject: [PATCH] 8279225: [arm32] C1 longs comparison operation destroys
 argument registers

Backport-of: 299022dfacbcb49e3bc5beca8ff9b1fca1101493
---
 src/hotspot/cpu/arm/c1_LIRAssembler_arm.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hotspot/cpu/arm/c1_LIRAssembler_arm.cpp b/src/hotspot/cpu/arm/c1_LIRAssembler_arm.cpp
index 95fab38a584..920e6c87c4f 100644
--- a/src/hotspot/cpu/arm/c1_LIRAssembler_arm.cpp
+++ b/src/hotspot/cpu/arm/c1_LIRAssembler_arm.cpp
@@ -1820,8 +1820,8 @@ void LIR_Assembler::comp_op(LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2,
         __ teq(xhi, yhi);
         __ teq(xlo, ylo, eq);
       } else {
-        __ subs(xlo, xlo, ylo);
-        __ sbcs(xhi, xhi, yhi);
+        __ subs(Rtemp, xlo, ylo);
+        __ sbcs(Rtemp, xhi, yhi);
       }
     } else {
       ShouldNotReachHere();