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-rw-r--r--src/arch/x86/isa/microops/ldstop.isa2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/arch/x86/isa/microops/ldstop.isa b/src/arch/x86/isa/microops/ldstop.isa
index 5df423ea9..f16a3b488 100644
--- a/src/arch/x86/isa/microops/ldstop.isa
+++ b/src/arch/x86/isa/microops/ldstop.isa
@@ -478,6 +478,8 @@ let {{
microopClasses[name] = StoreOp
defineMicroStoreOp('St', 'Mem = pick(Data, 2, dataSize);')
+ defineMicroStoreOp('Stul', 'Mem = pick(Data, 2, dataSize);',
+ mem_flags="Request::LOCKED")
defineMicroStoreOp('Stfp', 'Mem = FpData.uqw;')
defineMicroStoreOp('Stupd', 'Mem = pick(Data, 2, dataSize);',
'Base = merge(Base, EA - SegBase, addressSize);',