[all-commits] [llvm/llvm-project] d4ab3d: [AArch64] Fix SVE scalar fcopysign lowering withou...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d4ab3df320f9eebf11cc5fb600a0919f93678abe
      https://github.com/llvm/llvm-project/commit/d4ab3df320f9eebf11cc5fb600a0919f93678abe
  Author: David Green <david.green at arm.com>
  Date:   2025-03-05 (Wed, 05 Mar 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/sve-streaming-mode-fixed-length-fcopysign.ll

  Log Message:
  -----------
  [AArch64] Fix SVE scalar fcopysign lowering without neon. (#129787)

Without this we can try to generate invalid instructions or create
illegal types. This patch generates a SVE fcopysign instead and use its
lowering. BF16 is left out of the moment as it doesn't lower
successfully (but could use the same code as fp16).



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