[PATCH] D88773: Reland "[WebAssembly] Emulate v128.const efficiently""

[Thomas Lively via Phabricator via llvm-commits]

tlively updated this revision to Diff 297752.
tlively added a comment.

- Add masking of lane value and new tests

@dweber, you were totally right that this needed to be masked. In particular, when the lane contains a negative number, getZExtValue returns a very large 64-bit constant that needs to be truncated. Thanks for pressing me on that!


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D88773/new/

https://reviews.llvm.org/D88773

Files:
  llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
  llvm/test/CodeGen/WebAssembly/simd-build-vector.ll

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