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-rw-r--r--src/arch/x86/isa/insts/system/msrs.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/arch/x86/isa/insts/system/msrs.py b/src/arch/x86/isa/insts/system/msrs.py
index 95832442c..d0e2675de 100644
--- a/src/arch/x86/isa/insts/system/msrs.py
+++ b/src/arch/x86/isa/insts/system/msrs.py
@@ -50,6 +50,7 @@ def macroop RDMSR
def macroop WRMSR
{
+ .serializing
mov t2, t2, rax, dataSize=4
slli t3, rdx, 32, dataSize=8
or t2, t2, t3, dataSize=8