[PATCH] D144229: [RISCV] Select signed and unsigned bitfield extracts for XTHeadBb

[Philipp Tomsich via Phabricator via llvm-commits]

philipp.tomsich marked 2 inline comments as done.
philipp.tomsich added inline comments.


================
Comment at: llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp:698
+    const unsigned Msb = MsbPlusOne - 1;
+    const unsigned Lsb = RightShAmt - LeftShAmt;
+
----------------
craig.topper wrote:
> What if LeftShAmt > RightShAmt?
Thanks! I added a test-case as well.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144229/new/

https://reviews.llvm.org/D144229