[PATCH] D147947: [AArch64][GISel} Add FP16 fcmp lowering

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: aemerson, paquette, stuij, lenary.
Herald added subscribers: hiraditya, kristof.beyls.
Herald added a project: All.
dmgreen requested review of this revision.
Herald added a project: LLVM.

This adds v4f16 and v8f16 lowering for fp16 vector compares. It splits the getActionDefinitionsBuilder of G_FCMP from G_ICMP, as they are quite different operations, and adds fp16 vector lowering.


https://reviews.llvm.org/D147947

Files:
  llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
  llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerLowering.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/legalize-fcmp.mir
  llvm/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
  llvm/test/CodeGen/AArch64/GlobalISel/lower-neon-vector-fcmp.mir
  llvm/test/CodeGen/AArch64/vacg.ll

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