[all-commits] [llvm/llvm-project] 4ac8e9: [PPC] Disable rop-protect for 32-bit OS targets. (...

[Sean Fertile via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4ac8e90df78354b06f7b4f8ffa135c1a1ee7e944
      https://github.com/llvm/llvm-project/commit/4ac8e90df78354b06f7b4f8ffa135c1a1ee7e944
  Author: Sean Fertile <sd.fertile at gmail.com>
  Date:   2025-05-14 (Wed, 14 May 2025)

  Changed paths:
    M clang/lib/Basic/Targets/PPC.cpp
    M clang/test/Driver/ppc-mrop-protection-support-check.c

  Log Message:
  -----------
  [PPC] Disable rop-protect for 32-bit OS targets. (#139619)

The instructions are not supported on either 32-bit ELF (due to no
redzone) or 32-bit AIX due to the instructions always using the full
64-bit width of the register inputs.



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