testSize(dstReg, mode.getSize());
testSize(dstReg, BITS32 | BITS64);
	public final void writeDEC(GPR dstReg) {        testSize(dstReg, mode.getSize());		if (code32) {			write8(0x48 + dstReg.getNr());		} else {			write1bOpcodeModRR(0xFF, dstReg.getSize(), dstReg, 1);		}	}