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

[Fraser Cormack via Phabricator via llvm-commits]

frasercrmck marked an inline comment as done.
frasercrmck 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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craig.topper wrote:
> Can we use SignExtend64 from MathExtras.h here?
Yes, thanks. For some reason I thought there was only the templated one.


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  https://reviews.llvm.org/D93837/new/

https://reviews.llvm.org/D93837