From 2d154fcd0de0612f58abbc5027f409b9b2eb0dc2 Mon Sep 17 00:00:00 2001
From: Robbin Ehn <rehn@openjdk.org>
Date: Thu, 28 Sep 2023 05:47:33 +0000
Subject: [PATCH] 8316566: RISC-V: Zero extended narrow oop passed to
 Atomic::cmpxchg

Reviewed-by: luhenry, fyang
---
 src/hotspot/os_cpu/linux_riscv/orderAccess_linux_riscv.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hotspot/os_cpu/linux_riscv/orderAccess_linux_riscv.hpp b/src/hotspot/os_cpu/linux_riscv/orderAccess_linux_riscv.hpp
index 2b500376f9b..a7dc84770f8 100644
--- a/src/hotspot/os_cpu/linux_riscv/orderAccess_linux_riscv.hpp
+++ b/src/hotspot/os_cpu/linux_riscv/orderAccess_linux_riscv.hpp
@@ -37,7 +37,7 @@ inline void OrderAccess::storestore() { release(); }
 inline void OrderAccess::loadstore()  { acquire(); }
 inline void OrderAccess::storeload()  { fence(); }
 
-#define FULL_MEM_BARRIER  __sync_synchronize()
+#define FULL_MEM_BARRIER  __atomic_thread_fence(__ATOMIC_SEQ_CST);
 #define READ_MEM_BARRIER  __atomic_thread_fence(__ATOMIC_ACQUIRE);
 #define WRITE_MEM_BARRIER __atomic_thread_fence(__ATOMIC_RELEASE);