diff options
| author | Tri Vo <trong@android.com> | 2018-09-25 16:48:40 +0000 |
|---|---|---|
| committer | Tri Vo <trong@android.com> | 2018-09-25 16:48:40 +0000 |
| commit | 28e7e60ea4d176e9fffb15101b62d29d862ef370 (patch) | |
| tree | 791d80f216f570bad3a48e300394c39adbfa73e7 /clang/docs | |
| parent | 6fb1358a98731262cb855cfde9373496481f6166 (diff) | |
[AArch64] Support adding X[8-15,18] registers as CSRs.
Summary:
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@android.com>
Reviewers: srhines, nickdesaulniers, javed.absar
Reviewed By: nickdesaulniers
Subscribers: kristof.beyls, jfb, cfe-commits
Differential Revision: https://reviews.llvm.org/D52399
llvm-svn: 342990
Diffstat (limited to 'clang/docs')
| -rw-r--r-- | clang/docs/ClangCommandLineReference.rst | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/clang/docs/ClangCommandLineReference.rst b/clang/docs/ClangCommandLineReference.rst index 2ba544b06b4b..d14dfc75cdd1 100644 --- a/clang/docs/ClangCommandLineReference.rst +++ b/clang/docs/ClangCommandLineReference.rst @@ -2334,6 +2334,42 @@ Reserve the x18 register (AArch64 only) Reserve the x20 register (AArch64 only) +.. option:: -fcall-saved-x8 + +Make the x8 register call-saved (AArch64 only) + +.. option:: -fcall-saved-x9 + +Make the x9 register call-saved (AArch64 only) + +.. option:: -fcall-saved-x10 + +Make the x10 register call-saved (AArch64 only) + +.. option:: -fcall-saved-x11 + +Make the x11 register call-saved (AArch64 only) + +.. option:: -fcall-saved-x12 + +Make the x12 register call-saved (AArch64 only) + +.. option:: -fcall-saved-x13 + +Make the x13 register call-saved (AArch64 only) + +.. option:: -fcall-saved-x14 + +Make the x14 register call-saved (AArch64 only) + +.. option:: -fcall-saved-x15 + +Make the x15 register call-saved (AArch64 only) + +.. option:: -fcall-saved-x18 + +Make the x18 register call-saved (AArch64 only) + .. option:: -mfix-cortex-a53-835769, -mno-fix-cortex-a53-835769 Workaround Cortex-A53 erratum 835769 (AArch64 only) |