[PATCH] D156283: MIPS: unwind, don't save/restore hi/lo for R6

YunQiang Su via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 25 19:25:08 PDT 2023


wzssyqa added a comment.

In D156283#4533871 <https://reviews.llvm.org/D156283#4533871>, @jrtc27 wrote:

> Should space for them still exist in Registers_mips_o32/newabi, UNW_MIPS_HI/LO still be defined and the various things in __libunwind_config.h still account for them?

I think that we should keep them as, since it can make the code more simple.
The only problem of keeping them, is some few memory is wasted.
I don't think that it is a big problem.


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https://reviews.llvm.org/D156283



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