[PATCH] D70401: [RISCV] CodeGen of RVE and ilp32e/lp64e ABIs

Sat Sep 2 07:52:15 PDT 2023

wangpc added a comment.

In D70401#4635875 <https://reviews.llvm.org/D70401#4635875>, @koute wrote:

> I know that there are still open issues regarding the psABI, but considering how slow it's been going, couldn't we merge this in anyway and mark it as experimental and subject to change? Please?
>
> The patch is simple enough to not become a maintenance burden, and GCC already has it even though the ABI's unfinished, and the RV32E target itself is most likely going to be used for standalone bare metal programs where the exact ABI shouldn't matter too much as long as it works.
>
> I'm asking because I'd **really** like to have this merged so that I could use Rust to target RV32E/RV64E. Right now I have to maintain my own toolchain, which is painful; if this got merged (even in an experimental fashion, like GCC has) I could just get upstream Rust to support it out-of-box.

@asb @kito-cheng @jrtc27 What do you think about?

Repository:
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  https://reviews.llvm.org/D70401/new/

https://reviews.llvm.org/D70401