[PATCH] D77384: [WebAssembly] Support single-floating-point immediate value

[Yuta Saito via Phabricator via llvm-commits]

kateinoigakukun created this revision.
kateinoigakukun added reviewers: dschuff, sunfish, sbc100.
kateinoigakukun added a project: LLVM.
Herald added subscribers: llvm-commits, aheejin, hiraditya, jgravelle-google.

As mentioned in TODO comment, casting double to float causes NaNs to change bits.
To avoid the change, this patch adds support for single-floating-point immediate value on MachineCode.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77384

Files:
  llvm/include/llvm/MC/MCInst.h
  llvm/include/llvm/MC/MCInstBuilder.h
  llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyInstPrinter.cpp
  llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCCodeEmitter.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp
  llvm/test/CodeGen/WebAssembly/snan_literal.ll

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