[Bug target/112537] Is there a way to disable cpymem pass for rvv

[fanghuaqi at vip dot qq.com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112537

--- Comment #5 from Huaqi <fanghuaqi at vip dot qq.com> ---
(In reply to JuzheZhong from comment #4)
> You mean you want to disable it when disabling auto-vectorization ?

Yes, I think this could be better, so we can control whether vector instruction
should be generated, and if auto generated rvv instruction is not good, we can
enable it via gcc pragma control for selected code block.

Thanks