wangpc-pp wrote:
> Side note: shouldn't we also update `compiler-rt/lib/builtins/riscv/{save,
> restore}.S`? E.g. with something like this:
> [...]
> (I don't remember why exactly since I did it a long time ago, but for some
> reason I do have this patch in my LLVM fork, so it probably was necessary for
> _something_.)
Oh, it may be about stack alignment issue for libcalls. I may have fixed it.
As for your diffs, it seems that you only handle the
`__riscv_save/restore_[2|1|0]`, which is incomplete. And the code is not
different with non-rve cases?
https://github.com/llvm/llvm-project/pull/76777
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