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Dear all, I am trying to write an AsmParser and a CodeEmitter for simple ADD instruction. Here is what I have in the TestGenInstrInfo.td: *extern const MCInstrDesc TestInsts[] = {...{ 23, 3, 1, 0, 0, 0, 0x0ULL, nullptr, nullptr, OperandInfo13, 0, nullptr }, // Inst #23 = ADD8_rr...}* I parse the instruction successfully but I am not sure what I did wrong that the Size (as you can see in

Thanks for prompt response, Andy This will work for cases when address is not modified. However this doesn’t seem to work for pre/post increment load stores. Consider data to address forwarding: $x0 = ldr x0, [x1] $x0, $x2 = ldr x2, [x0, 16]! The second instruction will have it’s own latency for address modification ($x0 register). So I don’t see how we can use ReadAdr stuff here. May be