diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index 709d20550a1..fb9be003230 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -769,6 +769,7 @@ MachineInstr* X86RegisterInfo::foldMemoryOperand(MachineInstr *MI,
       { X86::PACKUSWBrr,      X86::PACKUSWBrm },
       { X86::PADDBrr,         X86::PADDBrm },
       { X86::PADDDrr,         X86::PADDDrm },
+      { X86::PADDQrr,         X86::PADDQrm },
       { X86::PADDSBrr,        X86::PADDSBrm },
       { X86::PADDSWrr,        X86::PADDSWrm },
       { X86::PADDWrr,         X86::PADDWrm },