[Bug tree-optimization/115819] RISC-V: Failed to hoist vrsub.vx to the header of the loop

[juzhe.zhong at rivai dot ai via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115819

--- Comment #4 from JuzheZhong <juzhe.zhong at rivai dot ai> ---
(In reply to Andrew Pinski from comment #1)
> This might be a cost issue.

No. I don't it's cost issue.
It's because we suppress the hoist by incorrect POLY INT handling codes.

I have a patch to fix it:

https://gcc.gnu.org/pipermail/gcc-patches/2024-February/644706.html

But it seems to produce ICEs...