[Bug target/112648] RISC-V Vector parameter riscv-autovec-lmul value is ineffective

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112648

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Note that using a --param for a correctness thing isn't recommended, I'd
transition that to -mvect-lmul=N as it also shouldn't only apply to
auto-vectorization.