llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang Author: Amy Kwan (amy-kwan) <details> <summary>Changes</summary> This PR adds AIX and PPC Clang/LLVM release notes for LLVM 19 to the `release/19.x` branch. --- Full diff: https://github.com/llvm/llvm-project/pull/105099.diff 2 Files Affected: - (modified) clang/docs/ReleaseNotes.rst (+17) - (modified) llvm/docs/ReleaseNotes.rst (+14) ``````````diff diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index 17ddbfe910f878..b68b823ae6761d 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -1276,6 +1276,14 @@ RISC-V Support accesses may be created. ``-m[no-]strict-align`` applies to both scalar and vector. +PowerPC Support +^^^^^^^^^^^^^^^ + +- Clang now emits errors for impossible ``__attribute__((musttail))``. +- Added support for ``-mcpu=[pwr11 | power11]`` and ``-mtune=[pwr11 | power11]``. +- Added support for ``builtin_cpu_supports`` on AIX, along with a subset of + features that can be queried. + CUDA/HIP Language Changes ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -1294,6 +1302,14 @@ AIX Support base is encoded as an immediate operand. This access sequence is not used for TLS variables larger than 32KB, and is currently only supported on 64-bit mode. +- Introduced the options ``-mtocdata/-mno-tocdata`` to enable/disable TOC data + transformations for the listed suitable variables. +- Introduced the ``-maix-shared-lib-tls-model-opt`` option to enable the tuning + of changing local-dynamic mode access(es) to initial-exec access(es) at the + function level on 64-bit mode. +- Clang now emits errors for ``-gdwarf-5``. +- Added the support of the OpenMP runtime libomp on AIX. OpenMP applications can be + compiled with ``-fopenmp`` and execute on AIX. NetBSD Support ^^^^^^^^^^^^^^ @@ -1451,6 +1467,7 @@ OpenMP Support -------------- - Added support for the `[[omp::assume]]` attribute. +- AIX added an include directory for ``omp.h`` at ``/opt/IBM/openxlCSDK/include/openmp``. Additional Information ====================== diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst index 60b6c6e786df89..ac7bdf723a168d 100644 --- a/llvm/docs/ReleaseNotes.rst +++ b/llvm/docs/ReleaseNotes.rst @@ -113,6 +113,8 @@ Changes to TableGen Changes to Interprocedural Optimizations ---------------------------------------- +* Hot cold region splitting analysis improvements for overlapping cold regions. + Changes to the AArch64 Backend ------------------------------ @@ -194,6 +196,16 @@ Changes to the MIPS Backend Changes to the PowerPC Backend ------------------------------ +* PPC big-endian Linux now supports ``-fpatchable-function-entry``. +* PPC AIX now supports local-dynamic TLS mode. +* PPC AIX saves the Git revision in binaries when built with LLVM_APPEND_VC_REV=ON. +* PPC AIX now supports toc-data attribute for large code model. +* PPC AIX now supports passing arguments by value having greater alignment than + the pointer size. Currently only compatible with the IBM XL C compiler. +* Add support for the per global code model attribute on AIX. +* Support spilling non-volatile registers for traceback table accuracy on AIX. +* Codegen improvements and bug fixes. + Changes to the RISC-V Backend ----------------------------- @@ -436,6 +448,8 @@ Changes to the LLVM tools be disabled by ``--no-verify-note-sections``. (`#90458 <https://github.com/llvm/llvm-project/pull/90458>`). +* llvm-objdump now supports the ``--file-headers`` option for XCOFF object files. + Changes to LLDB --------------------------------- `````````` </details> https://github.com/llvm/llvm-project/pull/105099 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
