[PATCH] D159050: [PowerPC] set min jump table entries to 64
Eli Friedman via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Aug 28 22:14:50 PDT 2023
efriedma added a comment.
I don't have access to any relevant PPC hardware to benchmark, but 64 seems excessively high. I mean, I can imagine it benefiting certain micro-benchmarks if it helps branch prediction in some hot code. But it's high enough that it likely also hurts other benchmarks, and maybe increases codesize.
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https://reviews.llvm.org/D159050/new/
https://reviews.llvm.org/D159050
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