[all-commits] [llvm/llvm-project] a07639: [AArch64] Increase inline memmove limit to 16 stor...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a07639f4bb89c4e56afcfcd7935a9438fd2e69f5
      https://github.com/llvm/llvm-project/commit/a07639f4bb89c4e56afcfcd7935a9438fd2e69f5
  Author: David Green <david.green at arm.com>
  Date:   2024-10-14 (Mon, 14 Oct 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/inline-memmove.mir
    A llvm/test/CodeGen/AArch64/memmove-inline.ll

  Log Message:
  -----------
  [AArch64] Increase inline memmove limit to 16 stored registers (#111848)

The memcpy inline limit has been 16 for a long time, this patch makes
the memmove inline limit the same, allowing small-constant sized
memmoves to be emitted inline. The 16 is the number of registers stored,
which equates to a limit of 256 bytes.



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