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...defining OR16 function, the .S is not generated and claims that it cannot select OR instruction. So I added OR16 (that's the or BC,DE piece of code). But problem is that I am using the first two lines: ld HL, 8 add HL,SP For FrameIndex and the HL register will contain SP which is only two 2bytes aligned. So "OR with 1" will work, but for second assigned :OR with 2" will not work. I suspect that llc is assuming that HL will contain 8 (that's the start) and or-ing 8 with 1 or with 2 is ok. But my HL has also added SP to it. This is how my ISD::FrameIndex instruction loo...

...ted and claims that it > cannot select OR instruction. > So I added OR16 (that's the or BC,DE piece of code). > > But problem is that I am using the first two lines: > > ld HL, 8 > add HL,SP > > For FrameIndex and the HL register will contain SP which is only two > 2bytes aligned. > So "OR with 1" will work, but for second assigned :OR with 2" will not > work. > > I suspect that llc is assuming that HL will contain 8 (that's the start) > and or-ing 8 with 1 or with 2 is ok. > But my HL has also added SP to it. > This is how my...

...elect OR instruction. >> So I added OR16 (that's the or BC,DE piece of code). >> >> But problem is that I am using the first two lines: >> >> ld HL, 8 >> add HL,SP >> >> For FrameIndex and the HL register will contain SP which is only two >> 2bytes aligned. >> So "OR with 1" will work, but for second assigned :OR with 2" will not >> work. >> >> I suspect that llc is assuming that HL will contain 8 (that's the start) >> and or-ing 8 with 1 or with 2 is ok. >> But my HL has also added SP to...