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operandinfo14
2015 Sep 14
2
TableGen MCInstrDesc Instruction Size Zero
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 the line above is Zero for this
instruction. (In EncodeInstruction, Desc.getSize() returns zero.)
Any help is appreciated....
Cheers,
ES
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