+ }
+
+ /// getMemoryOperandNo - The function returns the MCInst operand # for the
+ /// first field of the memory operand. If the instruction doesn't have a
+ /// memory operand, this returns -1.
+ ///
+ /// Note that this ignores tied operands. If there is a tied register which
+ /// is duplicated in the MCInst (e.g. "EAX = addl EAX, [mem]") it is only
+ /// counted as one operand.
+ ///
+ static inline int getMemoryOperandNo(uint64_t TSFlags) {
+ switch (TSFlags & X86II::FormMask) {
+ case X86II::MRMInitReg: assert(0 && "FIXME: Remove this form");
+ default: assert(0 && "Unknown FormMask value in getMemoryOperandNo!");
+ case X86II::Pseudo:
+ case X86II::RawFrm:
+ case X86II::AddRegFrm:
+ case X86II::MRMDestReg:
+ case X86II::MRMSrcReg:
+ case X86II::RawFrmImm8:
+ case X86II::RawFrmImm16:
+ return -1;
+ case X86II::MRMDestMem:
+ return 0;
+ case X86II::MRMSrcMem: {
+ bool HasVEX_4V = (TSFlags >> 32) & X86II::VEX_4V;
+ unsigned FirstMemOp = 1;
+ if (HasVEX_4V)
+ ++FirstMemOp;// Skip the register source (which is encoded in VEX_VVVV).
+
+ // FIXME: Maybe lea should have its own form? This is a horrible hack.
+ //if (Opcode == X86::LEA64r || Opcode == X86::LEA64_32r ||
+ // Opcode == X86::LEA16r || Opcode == X86::LEA32r)
+ return FirstMemOp;
+ }
+ case X86II::MRM0r: case X86II::MRM1r:
+ case X86II::MRM2r: case X86II::MRM3r:
+ case X86II::MRM4r: case X86II::MRM5r:
+ case X86II::MRM6r: case X86II::MRM7r:
+ return -1;
+ case X86II::MRM0m: case X86II::MRM1m:
+ case X86II::MRM2m: case X86II::MRM3m:
+ case X86II::MRM4m: case X86II::MRM5m:
+ case X86II::MRM6m: case X86II::MRM7m:
+ return 0;
+ case X86II::MRM_C1:
+ case X86II::MRM_C2:
+ case X86II::MRM_C3:
+ case X86II::MRM_C4:
+ case X86II::MRM_C8:
+ case X86II::MRM_C9:
+ case X86II::MRM_E8:
+ case X86II::MRM_F0:
+ case X86II::MRM_F8:
+ case X86II::MRM_F9:
+ return -1;
+ }
+ }