[all-commits] [llvm/llvm-project] 6e1ea7: [AArch64] Set the default streaming hazard size to...

[Benjamin Maxwell via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6e1ea7e5a7b6e581bf9a030b98a7f63ee2833278
      https://github.com/llvm/llvm-project/commit/6e1ea7e5a7b6e581bf9a030b98a7f63ee2833278
  Author: Benjamin Maxwell <benjamin.maxwell at arm.com>
  Date:   2025-01-22 (Wed, 22 Jan 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64Subtarget.cpp
    M llvm/lib/Target/AArch64/AArch64Subtarget.h
    M llvm/test/CodeGen/AArch64/outlining-with-streaming-mode-changes.ll
    M llvm/test/CodeGen/AArch64/sme-callee-save-restore-pairs.ll
    M llvm/test/CodeGen/AArch64/sme-darwin-sve-vg.ll
    M llvm/test/CodeGen/AArch64/sme-disable-gisel-fisel.ll
    M llvm/test/CodeGen/AArch64/sme-lazy-save-call.ll
    M llvm/test/CodeGen/AArch64/sme-peephole-opts.ll
    M llvm/test/CodeGen/AArch64/sme-pstate-sm-changing-call-disable-coalescing.ll
    M llvm/test/CodeGen/AArch64/sme-streaming-body-streaming-compatible-interface.ll
    M llvm/test/CodeGen/AArch64/sme-streaming-body.ll
    M llvm/test/CodeGen/AArch64/sme-streaming-compatible-interface.ll
    M llvm/test/CodeGen/AArch64/sme-streaming-interface.ll
    M llvm/test/CodeGen/AArch64/sme-streaming-mode-changing-call-disable-stackslot-scavenging.ll
    M llvm/test/CodeGen/AArch64/sme-vg-to-stack.ll
    A llvm/test/CodeGen/AArch64/stack-hazard-defaults.ll
    M llvm/test/CodeGen/AArch64/streaming-compatible-memory-ops.ll
    M llvm/test/CodeGen/AArch64/sve-stack-frame-layout.ll

  Log Message:
  -----------
  [AArch64] Set the default streaming hazard size to 1024 for +sme,+sve (#123753)

The default for all other feature combinations remains at zero (i.e. no
streaming hazards). This value may be adjusted in the future (e.g. based
on the processor family), for now, it is set conservatively.



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