[PATCH] D62539: [AArch64][GlobalISel] Select FCMPSri/FCMPDri when comparing against 0.0

[Jessica Paquette via Phabricator via llvm-commits]

paquette created this revision.
paquette added a reviewer: aemerson.
Herald added subscribers: Petar.Avramovic, hiraditya, kristof.beyls, javed.absar, rovka.
Herald added a project: LLVM.

Add support for selecting FCMPSri and FCMPDri when comparing against 0.0, and factor out opcode selection for G_FCMP into its own function.

      

Add a test to show that we don't do this with other immediates.


https://reviews.llvm.org/D62539

Files:
  llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/select-fcmp.mir

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