[all-commits] [llvm/llvm-project] e3bc08: [AIX][LLVM] Update the default code model for 64-b...

[David Tenty via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e3bc0828d8562468161d64e86a2fb06d39ca8d6f
      https://github.com/llvm/llvm-project/commit/e3bc0828d8562468161d64e86a2fb06d39ca8d6f
  Author: David Tenty <daltenty at ibm.com>
  Date:   2026-06-02 (Tue, 02 Jun 2026)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
    A llvm/test/CodeGen/PowerPC/aix-codemodel.ll
    M llvm/test/CodeGen/PowerPC/ppc-i128-cmp.ll

  Log Message:
  -----------
  [AIX][LLVM] Update the default code model for 64-bit (#199301)

This changes the default code model on 64-bit AIX to large.

For many applications, the existing small code model is simply
inadequate to build. Users often then end up relying on expensive linker
fixups (i.e. -Wl,-bigtoc) to work around the issue when they would have
been better served by moving to the larger code model. Our analysis and
benchmarking leads us to believe this's generally a net benefit to
users.

(Assisted by AI)



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