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| author | Hans Wennborg <hans@hanshq.net> | 2018-02-05 08:46:54 +0000 |
|---|---|---|
| committer | Hans Wennborg <hans@hanshq.net> | 2018-02-05 08:46:54 +0000 |
| commit | 2e5d63f3a6cf01e4e484524d8827190eb1150224 (patch) | |
| tree | b09e0c8ed5b43d2cc6db76c56b5ca8eb2cc7e8e3 | |
| parent | 9c57ee8b74fa325165f21ea5edd62fae3e83628a (diff) | |
[ReleaseNotes] Add note for the new -fexperimental-isel flag.
Patch by Amara Emerson.
Differential Revision: https://reviews.llvm.org/D42860
git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_60@324212 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | docs/ReleaseNotes.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst index c5e037d0cd..be33f15cb2 100644 --- a/docs/ReleaseNotes.rst +++ b/docs/ReleaseNotes.rst @@ -132,6 +132,11 @@ New Compiler Flags difference between the ``-std=c17`` and ``-std=c11`` language modes is the value of the ``__STDC_VERSION__`` macro, as C17 is a bug fix release. +- Added the ``-fexperimental-isel`` and ``-fno-experimental-isel`` flags to + enable/disable the new GlobalISel instruction selection framework. This + feature is enabled by default for AArch64 at the ``-O0`` optimization level. + Support for other targets or optimization levels is currently incomplete. + Deprecated Compiler Flags ------------------------- |