[all-commits] [llvm/llvm-project] f87a9d: [ARM] Expand fp64 bf16 converts similarly to f32

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f87a9db8322643ccbc324e317a75b55903129b55
      https://github.com/llvm/llvm-project/commit/f87a9db8322643ccbc324e317a75b55903129b55
  Author: David Green <david.green at arm.com>
  Date:   2025-01-03 (Fri, 03 Jan 2025)

  Changed paths:
    M llvm/lib/Target/ARM/ARMISelLowering.cpp
    M llvm/test/CodeGen/Thumb2/bf16-instructions.ll

  Log Message:
  -----------
  [ARM] Expand fp64 bf16 converts similarly to f32

This helps with +fp64 targets where the f64s are legal and not previously
lowered. It can treat fpextends as a shift + cvt and fptrunc can use a libcall.



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