[llvm] [RISCV] Add a command line option to disable cost per use for compressed registers. (PR #83320)

Yingwei Zheng via llvm-commits llvm-commits at lists.llvm.org
Thu Feb 29 01:09:30 PST 2024


dtcxzyw wrote:

@topperc Could you please provide some performance data with the flag enabled?
Looks like enabling the flag leads to ~16% execution time regression and ~20% code size regression.


https://github.com/llvm/llvm-project/pull/83320


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