[all-commits] [llvm/llvm-project] a85b37: [M68k] Add support for lowering ATOMIC_SWAP

[Min-Yih Hsu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a85b37d0ca819776c6034c2dbda2b21e54e3393a
      https://github.com/llvm/llvm-project/commit/a85b37d0ca819776c6034c2dbda2b21e54e3393a
  Author: Min-Yih Hsu <minyihh at uci.edu>
  Date:   2023-03-27 (Mon, 27 Mar 2023)

  Changed paths:
    M llvm/lib/Target/M68k/M68kISelLowering.cpp
    M llvm/test/CodeGen/M68k/Atomics/rmw.ll

  Log Message:
  -----------
  [M68k] Add support for lowering ATOMIC_SWAP

Lower to calling __sync_lock_test_and_set_* for target < M68020.