Commit 3980c8df authored by Hans Wennborg's avatar Hans Wennborg
Browse files

[ReleaseNotes] Add note for the new -fexperimental-isel flag. 

Patch by Amara Emerson.

Differential Revision: https://reviews.llvm.org/D42860

llvm-svn: 324212
parent 8ec2d86a

clang/docs/ReleaseNotes.rst

+5 −0
Original line number Diff line number Diff line
@@ -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

-------------------------