[all-commits] [llvm/llvm-project] 41427b: [AArch64] Disable FastISel/GlobalISel for ZT0 stat...

[Sander de Smalen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 41427b0e8eeed9891d4e98ea9ac6a812682fd507
      https://github.com/llvm/llvm-project/commit/41427b0e8eeed9891d4e98ea9ac6a812682fd507
  Author: Sander de Smalen <sander.desmalen at arm.com>
  Date:   2024-02-28 (Wed, 28 Feb 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64FastISel.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/GISel/AArch64CallLowering.cpp
    M llvm/test/CodeGen/AArch64/sme-disable-gisel-fisel.ll

  Log Message:
  -----------
  [AArch64] Disable FastISel/GlobalISel for ZT0 state (#82768)

For __arm_new("zt0") we need to have special setup code in the prologue.
For calls that don't preserve zt0, we need to emit code preserve ZT0
around the call.
This is only emitted by SelectionDAG ISel at the moment.



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications