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2017 Jun 13
3
Wide load/store optimization question
...to r1. Sometimes the same
problem happens when the frame offset is misaligned, e.g. r0 will have
offset aligned to word, not dword.
Can someone please point me out in which direction should I move? And also
- at which step should I apply such pass? If on PreRA - how to set reg
constraints such as regsequence, as well as frame constraints? If before
frame finalization - how to set frame constraints? If on pre-emit like i'm
doing now - how to optimize and rewrite frame offsets and regs?
Thanks,
Petr
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