[all-commits] [llvm/llvm-project] a4ac43: [AArch64] Compiler-rt interface for out-of-line at...

[Pavel Iliin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a4ac434c47434d80bca54bab96f295ed4e972cc6
      https://github.com/llvm/llvm-project/commit/a4ac434c47434d80bca54bab96f295ed4e972cc6
  Author: Pavel Iliin <Pavel.Iliin at arm.com>
  Date:   2020-12-02 (Wed, 02 Dec 2020)

  Changed paths:
    M compiler-rt/cmake/builtin-config-ix.cmake
    M compiler-rt/lib/builtins/CMakeLists.txt
    A compiler-rt/lib/builtins/aarch64/lse.S
    M compiler-rt/lib/builtins/assembly.h
    M compiler-rt/lib/builtins/cpu_model.c

  Log Message:
  -----------
  [AArch64] Compiler-rt interface for out-of-line atomics.

Out-of-line helper functions to support LSE deployment added.
This is a port of libgcc implementation:
https://gcc.gnu.org/git/?p=gcc.git;h=33befddcb849235353dc263db1c7d07dc15c9faa

Differential Revision: https://reviews.llvm.org/D91156