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Diffstat (limited to 'docs/ReleaseNotes.rst')
| -rw-r--r-- | docs/ReleaseNotes.rst | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst index 92aa01c4b1efa..6857903c96d91 100644 --- a/docs/ReleaseNotes.rst +++ b/docs/ReleaseNotes.rst @@ -163,6 +163,15 @@ Attribute Changes in Clang - The presence of __attribute__((availability(...))) on a declaration no longer implies default visibility for that declaration on macOS. +- Clang now supports configuration files. These are collections of driver + options, which can be applied by specifying the configuration file, either + using command line option `--config foo.cfg` or encoding it into executable + name `foo-clang`. Clang behaves as if the options from this file were inserted + before the options specified in command line. This feature is primary intended + to facilitate cross compilation. Details can be found in + `Clang Compiler User's Manual + <http://clang.llvm.org/docs/UsersManual.html#configuration-files>`. + - ... Windows Support @@ -209,7 +218,7 @@ OpenCL C Language Changes in Clang OpenMP Support in Clang ---------------------------------- -- Added options `-f[no]-openmp-simd` that support code emission only foe OpenMP +- Added options `-f[no]-openmp-simd` that support code emission only for OpenMP SIMD-based directives, like `#pragma omp simd`, `#pragma omp parallel for simd` etc. The code is emitted only for simd-based part of the combined directives and clauses. @@ -222,6 +231,13 @@ OpenMP Support in Clang - Added support for `reduction`-based clauses on `task`-based directives from upcoming OpenMP 5.0. +- The LLVM OpenMP runtime `libomp` now supports the OpenMP Tools Interface (OMPT) + on x86, x86_64, AArch64, and PPC64 on Linux, Windows, and macOS. If you observe + a measurable performance impact on one of your applications without a tool + attached, please rebuild the runtime library with `-DLIBOMP_OMPT_SUPPORT=OFF` and + file a bug at `LLVM's Bugzilla <https://bugs.llvm.org/>`_ or send a message to the + `OpenMP development list <http://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev>`_. + Internal API Changes -------------------- |