[PATCH] D52399: [AArch64] Support adding X[8-15, 18] registers as CSRs.

[Tri Vo via Phabricator via cfe-commits]

trong created this revision.
trong added reviewers: srhines, nickdesaulniers.
Herald added a reviewer: javed.absar.
Herald added subscribers: jfb, kristof.beyls.

Making X[8-15,18] registers call-saved is used to support
CONFIG_ARM64_LSE_ATOMICS in Linux kernel.

Signed-off-by: Tri Vo <trong at android.com>


Repository:
  rC Clang

https://reviews.llvm.org/D52399

Files:
  docs/ClangCommandLineReference.rst
  include/clang/Driver/Options.td
  lib/Driver/ToolChains/Arch/AArch64.cpp
  test/Driver/aarch64-call-saved-x-register.c

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