From 71e2fa25f73b0006a024edb59d79d837227ecd40 Mon Sep 17 00:00:00 2001
From: Aleksey Shipilev <shade@openjdk.org>
Date: Sat, 22 May 2021 15:13:06 +0000
Subject: [PATCH] 8267531: [x86] Assembler::andb(Address,Register) encoding is
 incorrect

Reviewed-by: azeemj, vlivanov, jiefu
---
 src/hotspot/cpu/x86/assembler_x86.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hotspot/cpu/x86/assembler_x86.cpp b/src/hotspot/cpu/x86/assembler_x86.cpp
index c5236b35bf4..72629508414 100644
--- a/src/hotspot/cpu/x86/assembler_x86.cpp
+++ b/src/hotspot/cpu/x86/assembler_x86.cpp
@@ -1471,7 +1471,7 @@ void Assembler::vaesenclast(XMMRegister dst, XMMRegister nds, XMMRegister src, i
 
 void Assembler::andb(Address dst, Register src) {
   InstructionMark im(this);
-  prefix(dst, src);
+  prefix(dst, src, true);
   emit_int8(0x20);
   emit_operand(src, dst);
 }