[all-commits] [llvm/llvm-project] a300a1: [RISCV][ISel] Add codegen support for the experime...

[Yingwei Zheng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a300a1a71119008e6e54299e52824fbca4bf2a75
      https://github.com/llvm/llvm-project/commit/a300a1a71119008e6e54299e52824fbca4bf2a75
  Author: Yingwei Zheng <dtcxzyw2333 at gmail.com>
  Date:   2024-02-16 (Fri, 16 Feb 2024)

  Changed paths:
    M llvm/docs/RISCVUsage.rst
    M llvm/docs/ReleaseNotes.rst
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVInstrInfoZa.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

  Log Message:
  -----------
  [RISCV][ISel] Add codegen support for the experimental zabha extension (#80192)

This patch implements the codegen support of zabha (Byte and Halfword
Atomic Memory Operations) v1.0-rc1 extension.
See also https://github.com/riscv/riscv-zabha/blob/v1.0-rc1/zabha.adoc.

---------

Co-authored-by: Craig Topper <craig.topper at sifive.com>