[PATCH] D93837: [RISCV] Pattern-match more vector-splatted constants

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp:463
+  if (EltVT.bitsLT(XLenVT)) {
+    uint64_t ShAmt = 64 - EltVT.getScalarSizeInBits();
+    SplatImm = (SplatImm << ShAmt) >> ShAmt;
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Can we use SignExtend64 from MathExtras.h here?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93837/new/

https://reviews.llvm.org/D93837