[llvm] [RISCV] Combine vslidedown_vl with known VL to a smaller LMUL (PR #66267)

Craig Topper via llvm-commits llvm-commits at lists.llvm.org
Sat Sep 16 13:18:26 PDT 2023


topperc wrote:

> This patch isn't sound. Just because the VL is known doesn't mean the slidedown offset is <= VL. The elements that will be written to the lower elements of the destination may come from the high LMUL part of the input.



https://github.com/llvm/llvm-project/pull/66267


More information about the llvm-commits mailing list