[llvm] [RISCV] Support zilsd-4byte-align for i64 load/store in SelectionDAG. (PR #169182)

[Craig Topper via llvm-commits]

topperc wrote:

> Did you leave out the SDag changes? This is just a Subtarget change right now.

Weird. I wrote a SelectionDAG change and a test. I don't know where they went.

https://github.com/llvm/llvm-project/pull/169182