[all-commits] [llvm/llvm-project] 95aab6: [RISCV] Remove experimental from Zacas. (#83195)

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 95aab69c109adf29e183090c25dc95c773215746
      https://github.com/llvm/llvm-project/commit/95aab69c109adf29e183090c25dc95c773215746
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2024-02-28 (Wed, 28 Feb 2024)

  Changed paths:
    M clang/test/Preprocessor/riscv-target-features.c
    M llvm/docs/RISCVUsage.rst
    M llvm/docs/ReleaseNotes.rst
    M llvm/lib/Support/RISCVISAInfo.cpp
    M llvm/lib/Target/RISCV/RISCVFeatures.td
    M llvm/test/CodeGen/RISCV/atomic-cmpxchg-branch-on-result.ll
    M llvm/test/CodeGen/RISCV/atomic-cmpxchg.ll
    M llvm/test/CodeGen/RISCV/atomic-rmw.ll
    M llvm/test/CodeGen/RISCV/atomic-signext.ll
    M llvm/test/CodeGen/RISCV/attributes.ll
    M llvm/test/MC/RISCV/rv32zacas-invalid.s
    M llvm/test/MC/RISCV/rv32zacas-valid.s
    M llvm/test/MC/RISCV/rv64zacas-valid.s
    M llvm/test/MC/RISCV/rvzabha-zacas-valid.s
    M llvm/unittests/Support/RISCVISAInfoTest.cpp

  Log Message:
  -----------
  [RISCV] Remove experimental from Zacas. (#83195)

Document that we don't use the double compare and swap instructions due
to ABI concerns.



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