search for: some_regist

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2006 May 23
4
[LLVMdev] Spilling register and frame indices
...fo::storeRegToStackSlot 3. At later stage, frame indices are replaced by calling to MRegisterInfo::eliminateFrameIndex. This works for me, but there's slight problem. The target does not have "register + contant" addressing mode, so accessing frame index should be done like this: some_register = frame_pointer + offset ...... [some_register] Since frame index eliminations happens after register allocation, I must make sure 'some_register' does not participate in normal register allocation. That approach sounds suboptimal. By "reserving" one register we can a...
2006 May 23
0
[LLVMdev] Spilling register and frame indices
...ter stage, frame indices are replaced by calling to > MRegisterInfo::eliminateFrameIndex. > > This works for me, but there's slight problem. The target does not have > "register + contant" addressing mode, so accessing frame index should be > done like this: > > some_register = frame_pointer + offset > ...... [some_register] > > Since frame index eliminations happens after register allocation, I must > make sure 'some_register' does not participate in normal register > allocation. Right. > That approach sounds suboptimal. By "r...