Author: Hans Wennborg Date: 2020-09-15T20:18:03+02:00 New Revision: 158581772fc8f3d6c601ceba14a08285e46cb7e9
URL: https://github.com/llvm/llvm-project/commit/158581772fc8f3d6c601ceba14a08285e46cb7e9 DIFF: https://github.com/llvm/llvm-project/commit/158581772fc8f3d6c601ceba14a08285e46cb7e9.diff LOG: ReleaseNotes: PowerPC changes By Ahsan Saghir! Added: Modified: llvm/docs/ReleaseNotes.rst Removed: ################################################################################ diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst index e87bf3d146f5..977ba26f9e23 100644 --- a/llvm/docs/ReleaseNotes.rst +++ b/llvm/docs/ReleaseNotes.rst @@ -188,7 +188,41 @@ During this release ... Changes to the PowerPC Target ----------------------------- -During this release ... +Optimization: + +* Improved Loop Unroll-and-Jam legality checks, allowing it to handle more than two level loop nests +* Improved Loop Unroll to be able to unroll more loops +* Implemented an option to allow loop fusion to work on loops with diff erent constant trip counts + +Codegen: + +* POWER10 support +* Added PC Relative addressing +* Added __int128 vector bool support +* Security enhancement via probe-stack attribute support to protect against stack clash +* Floating point support enhancements +* Improved half precision and quad precision support, including GLIBC +* constrained FP operation support for arithmetic/rounding/max/min +* cleaning up fast math flags checks in DAGCombine, Legalizer, and Lowering +* Performance improvements from instruction exploitation, especially for vector permute on LE +* Scheduling enhancements +* Added MacroFusion for POWER8 +* Added post-ra heuristics for POWER9 +* Target dependent passes tuning +* Updated LoopStrengthReduce to use instruction number as first priority +* Enhanced MachineCombiner to expose more ILP +* Code quality and maintenance enhancements +* Enabled more machine verification passes +* Added ability to parse and emit additional extended mnemonics +* Numerous bug fixes + +AIX Support Improvements: + +* Enabled compile and link such that a simple <stdio.h> "Hello World" program works with standard headers +* Added support for the C calling convention for non-vector code +* Implemented correct stack frame layout for functions +* In llvm-objdump, added support for relocations, improved selection of symbol labels, and added the --symbol-description option + Changes to the RISC-V Target ---------------------------- _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
