[all-commits] [llvm/llvm-project] 521303: [SystemZ] Avoid unaligned VL/VST:s with memcpy/mem...

Jonas Paulsson via All-commits all-commits at lists.llvm.org
Mon May 4 08:50:19 PDT 2026


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5213037d24b9b8949859ccd2d2462272cb775dc7
      https://github.com/llvm/llvm-project/commit/5213037d24b9b8949859ccd2d2462272cb775dc7
  Author: Jonas Paulsson <paulson1 at linux.ibm.com>
  Date:   2026-05-04 (Mon, 04 May 2026)

  Changed paths:
    M llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
    M llvm/test/CodeGen/SystemZ/memcpy-03.ll
    M llvm/test/CodeGen/SystemZ/memmove-01.ll
    M llvm/test/CodeGen/SystemZ/memset-08.ll

  Log Message:
  -----------
  [SystemZ] Avoid unaligned VL/VST:s with memcpy/memmove/memset. (#187100)

Also limit the number of stores per memmove to 2, like for memcpy.



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