On Thu, Aug 15, 2019 at 06:38:30PM +0200, Richard Biener wrote:
Couldn't we spill the frame pointer? Basically we should be able to
compute the first address into a reg, spill that, do the second
(both could require the frame pointer), spill the frame pointer,
reload the first computed address from the stack, execute the insn
and then reload the frame pointer.
Maybe the frame pointer can also be implemented 'virually' in an index
register that you keep updated so that sp + reg
Is the FP. Or frame accesses can use a Stack slot as FP and the indirect
memory
Addressing... (is there an indirect lea?)
Yes. lea x, [4,x] is a valid instruction.
J'
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