[PATCH] D157373: [RISCV] add a compress optimization for stack inst.
Wang Pengcheng via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Aug 10 23:56:36 PDT 2023
wangpc added a comment.
In D157373#4576850 <https://reviews.llvm.org/D157373#4576850>, @lcvon007 wrote:
> hi, I have seen some performance degradattion in my first implementation, and I update the logic to adjust the FirstSP amount conservatively so that it will not increase extra instructions, please help review, thanks very much. @wangpc
Can you show the improvement on code size/performance of your new implementation (though the old one should still be valid)?
LGTM in general and I think it is really nice to have such optimization!
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https://reviews.llvm.org/D157373/new/
https://reviews.llvm.org/D157373
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