[PATCH] D151967: [RISCV] Improve selection for vector fpclass.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/lib/Target/RISCV/RISCVISelLowering.cpp:4438
 
+  bool IsOneBitMask = llvm::popcount(TDCMask) == 1;
+
----------------
`bool IsOneBitMask = isPowerOf2_32(TDCMask)`


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D151967/new/

https://reviews.llvm.org/D151967