From a8cbfd9af4f3f3cdad6efcd067e76edec76c1338 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Tue, 1 Feb 2022 14:32:11 +0100
Subject: [PATCH] X86_Backend: set fences correctly for memory barriers and
 synchronization.

---
 src/dynarmic/backend/x64/a32_emit_x64.cpp | 3 ++-
 src/dynarmic/backend/x64/a64_emit_x64.cpp | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/dynarmic/backend/x64/a32_emit_x64.cpp b/src/dynarmic/backend/x64/a32_emit_x64.cpp
index e8ddbce6..4f819825 100644
--- a/src/dynarmic/backend/x64/a32_emit_x64.cpp
+++ b/src/dynarmic/backend/x64/a32_emit_x64.cpp
@@ -715,10 +715,11 @@ void A32EmitX64::EmitA32SetGEFlagsCompressed(A32EmitContext& ctx, IR::Inst* inst
 
 void A32EmitX64::EmitA32DataSynchronizationBarrier(A32EmitContext&, IR::Inst*) {
     code.mfence();
+    code.lfence();
 }
 
 void A32EmitX64::EmitA32DataMemoryBarrier(A32EmitContext&, IR::Inst*) {
-    code.lfence();
+    code.mfence();
 }
 
 void A32EmitX64::EmitA32InstructionSynchronizationBarrier(A32EmitContext& ctx, IR::Inst*) {
diff --git a/src/dynarmic/backend/x64/a64_emit_x64.cpp b/src/dynarmic/backend/x64/a64_emit_x64.cpp
index de54a444..8de3ee5f 100644
--- a/src/dynarmic/backend/x64/a64_emit_x64.cpp
+++ b/src/dynarmic/backend/x64/a64_emit_x64.cpp
@@ -668,10 +668,11 @@ void A64EmitX64::EmitA64InstructionCacheOperationRaised(A64EmitContext& ctx, IR:
 
 void A64EmitX64::EmitA64DataSynchronizationBarrier(A64EmitContext&, IR::Inst*) {
     code.mfence();
+    code.lfence();
 }
 
 void A64EmitX64::EmitA64DataMemoryBarrier(A64EmitContext&, IR::Inst*) {
-    code.lfence();
+    code.mfence();
 }
 
 void A64EmitX64::EmitA64InstructionSynchronizationBarrier(A64EmitContext& ctx, IR::Inst*) {