Author: Amy Kwan Date: 2022-08-28T13:56:39-05:00 New Revision: 68e77f15953a9153c8c4a566297178df9b17aa9b
URL: https://github.com/llvm/llvm-project/commit/68e77f15953a9153c8c4a566297178df9b17aa9b DIFF: https://github.com/llvm/llvm-project/commit/68e77f15953a9153c8c4a566297178df9b17aa9b.diff LOG: [ReleaseNotes]: Add PowerPC release notes for LLVM 15 Added: Modified: clang/docs/ReleaseNotes.rst lld/docs/ReleaseNotes.rst llvm/docs/ReleaseNotes.rst Removed: ################################################################################ diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index 8d5de9dc0b11e..75ea617a554bc 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -320,6 +320,11 @@ Improvements to Clang's diagnostics conversions now defaults to an error in all C language modes. It may be downgraded to a warning with ``-Wno-error=int-conversion``, or disabled entirely with ``-Wno-int-conversion``. +- Deprecated lax vector conversions for Altivec vectors. + The default behaviour with respect to these conversions + will switch to disable them in an upcoming release. +- On AIX, only emit XL compatibility warning when 16 byte aligned structs are + pass-by-value function arguments. Non-comprehensive list of changes in this release diff --git a/lld/docs/ReleaseNotes.rst b/lld/docs/ReleaseNotes.rst index 5819d67d32971..80d89984f5df0 100644 --- a/lld/docs/ReleaseNotes.rst +++ b/lld/docs/ReleaseNotes.rst @@ -212,6 +212,8 @@ Fixes errors. (`D122624 <https://reviews.llvm.org/D122624>`_) * Fixed handling of relocatable object files within frameworks. (`D114841 <https://reviews.llvm.org/D114841>`_) +* Fixed the PPC64R2SaveStub to only use non-pc-relative code. + (`D129580 <https://reviews.llvm.org/D129580>`_) WebAssembly Improvements ------------------------ diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst index c1aa8f9fc64ee..aadd542fe66c2 100644 --- a/llvm/docs/ReleaseNotes.rst +++ b/llvm/docs/ReleaseNotes.rst @@ -115,6 +115,12 @@ Changes to building LLVM Changes to TableGen ------------------- +Changes to Loop Optimizations +----------------------------- + +* Loop interchange legality and cost model improvements + + Changes to the AArch64 Backend ------------------------------ @@ -171,7 +177,25 @@ Changes to the MIPS Backend Changes to the PowerPC Backend ------------------------------ -* ... +Common PowerPC improvements: +* Add a new post instruction selection pass to generate CTR loops. +* Add SSE4 and BMI compatible intrinsics implementation. +* Supported 16-byte lock free atomics on PowerPC8 and up. +* Supported atomic load/store for pointer types. +* Supported stack size larger than 2G +* Add __builtin_min/__builtin_max/__abs builtins. +* Code generation improvements for splat load/vector shuffle/mulli, etc. +* Emit VSX instructions for vector loads and stores regardless of alignment. +* The mcpu=future has its own ISA now (FutureISA). +* Added the ppc-set-dscr option to set the Data Stream Control Register (DSCR). +* Bug fixes. + +AIX improvements: +* Supported 64 bit XCOFF for integrated-as path. +* Supported X86-compatible vector intrinsics. +* Program code csect default alignment now is 32-byte. +* Supported auxiliary header in integrated-as path. +* Improved alias symbol handling. Changes to the RISC-V Backend ----------------------------- @@ -296,8 +320,25 @@ Changes to the LLVM tools * :doc:`llvm-objcopy <CommandGuide/llvm-objcopy>` has removed support for the legacy ``zlib-gnu`` format. * :doc:`llvm-objcopy <CommandGuide/llvm-objcopy>` now allows ``--set-section-flags src=... --rename-section src=tst``. ``--add-section=.foo1=... --rename-section=.foo1=.foo2`` now adds ``.foo1`` instead of ``.foo2``. +* New features supported on AIX for ``llvm-ar``: + + * AIX big-format archive write operation (`D123949 <https://reviews.llvm.org/D123949>`_) + + * A new object mode option, ``-X`` , to specify the type of object file ``llvm-ar`` should operate upon (`D127864 <https://reviews.llvm.org/D127864>`_) + + * Read global symbols of AIX big archive (`D124865 <https://reviews.llvm.org/D124865>`_) + +* New options supported for ``llvm-nm``: + + * ``-X``, to specify the type of object file that ``llvm-nm`` should examine (`D118193 <https://reviews.llvm.org/D118193>`_) + + * ``--export-symbols``, to create a list of symbols to export (`D112735 <https://reviews.llvm.org/D112735>`_) + * The LLVM gold plugin now ignores bitcode from the ``.llvmbc`` section of ELF files when doing LTO. https://github.com/llvm/llvm-project/issues/47216 +* llvm-objcopy now supports 32 bit XCOFF. +* llvm-objdump: improved assembly printing for XCOFF. +* llc now parses code-model attribute from input file. Changes to LLDB --------------------------------- @@ -343,6 +384,14 @@ Other Changes has been removed. This had been obsolete and abandoned since Visual Studio started including an integration by default in 2019. +* Added the unwinder, personality, and helper functions for exception handling + on AIX. (`D100132 <https://reviews.llvm.org/D100132>`_) + (`D100504 <https://reviews.llvm.org/D100504>`_) + +* PGO on AIX: A new implementation that requires linker support + (__start_SECTION/__stop_SECTION symbols) available on AIX 7.2 TL5 SP4 and + AIX 7.3 TL0 SP2. + External Open Source Projects Using LLVM 15 =========================================== _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
