+/// Is64BitMemOperand - Return true if the specified instruction has
+/// a 64-bit memory operand. Op specifies the operand # of the memoperand.
+static bool Is64BitMemOperand(const MCInst &MI, unsigned Op) {
+ const MCOperand &BaseReg = MI.getOperand(Op+X86::AddrBaseReg);
+ const MCOperand &IndexReg = MI.getOperand(Op+X86::AddrIndexReg);
+
+ if ((BaseReg.getReg() != 0 &&
+ X86MCRegisterClasses[X86::GR64RegClassID].contains(BaseReg.getReg())) ||
+ (IndexReg.getReg() != 0 &&
+ X86MCRegisterClasses[X86::GR64RegClassID].contains(IndexReg.getReg())))
+ return true;
+ return false;
+}
+
+/// Is16BitMemOperand - Return true if the specified instruction has
+/// a 16-bit memory operand. Op specifies the operand # of the memoperand.
+static bool Is16BitMemOperand(const MCInst &MI, unsigned Op) {
+ const MCOperand &BaseReg = MI.getOperand(Op+X86::AddrBaseReg);
+ const MCOperand &IndexReg = MI.getOperand(Op+X86::AddrIndexReg);
+
+ if ((BaseReg.getReg() != 0 &&
+ X86MCRegisterClasses[X86::GR16RegClassID].contains(BaseReg.getReg())) ||
+ (IndexReg.getReg() != 0 &&
+ X86MCRegisterClasses[X86::GR16RegClassID].contains(IndexReg.getReg())))
+ return true;
+ return false;
+}
+