https://github.com/amy-kwan created https://github.com/llvm/llvm-project/pull/154465
This PR aims to add release notes to LLVM 21.1.0 for PPC/AIX, and other related release notes. >From 81a4f1f94f35055b9389b1d8c3b810aa7e07a41f Mon Sep 17 00:00:00 2001 From: Amy Kwan <amy.kw...@ibm.com> Date: Wed, 20 Aug 2025 04:04:40 +0000 Subject: [PATCH] Add PowerPC/AIX related release notes to LLVM 21.1.0 --- clang/docs/ReleaseNotes.rst | 10 ++++++++++ llvm/docs/ReleaseNotes.md | 18 ++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index f4f7dd8342d92..e60fc22464ccd 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -1125,9 +1125,19 @@ CUDA/HIP Language Changes CUDA Support ^^^^^^^^^^^^ +PowerPC Support +^^^^^^^^^^^^^^^ + +* Add `__dmr1024` type for Dense Math Facility. +* Add prototype for Dense Math Facility integer calculation builtins. + AIX Support ^^^^^^^^^^^ +* Fixed `-print-runtime-dir` to fallback to the target subdirectory (rather than OS subdirectory) if the runtime path is not found. +* Fixed `-print-runtime-dir` to find the correct runtime path if the triple has "unknown" as the environment component. +* Changed AIX targets to use the per-target runtime directories for compiler runtimes (i.e. `lib/clang/20/lib/aix` became `lib/clang/21/lib/powerpc-ibm-aix` and `clang/21/lib/powerpc64-ibm-aix`). + NetBSD Support ^^^^^^^^^^^^^^ diff --git a/llvm/docs/ReleaseNotes.md b/llvm/docs/ReleaseNotes.md index a126d7ae1ab4a..8e97f25ba5e40 100644 --- a/llvm/docs/ReleaseNotes.md +++ b/llvm/docs/ReleaseNotes.md @@ -159,6 +159,18 @@ Changes to the MIPS Backend Changes to the PowerPC Backend ------------------------------ +* Add spill and restore for DMR and DMRp registers. +* Prototype various Dense Math Facility instructions, and intrinsics for basic enablement, insert/extract, integer and FP calculations. +* Add prototype for Dense Math Facility cryptography instructions. +* Implement load/stores prototype for v1024i1, v2048i1. +* Support conversion between f16 and f128. +* Change default for auto gen stxvp for cpu=future. +* Setup initial JITLink build support for XCOFF. +* Add an API to derive the default feature set from a CPU name within the TargetParser + (e.g. `pwr10` -> `+vsx`,`+isa3_1`,`+mma`). Clang now uses this to populate the `target-feature` + list when `-mcpu` is provided for PowerPC. +* Various bug fixes and codegen improvements. + Changes to the RISC-V Backend ----------------------------- @@ -220,6 +232,7 @@ Changes to the RISC-V Backend * Removed -mattr=+no-rvc-hints that could be used to disable parsing and generation of RVC hints. * Adds assembler support for the Andes `XAndesvsintload` (Andes Vector INT4 Load extension). * Adds assembler support for the Andes `XAndesbfhcvt` (Andes Scalar BFLOAT16 Conversion extension). +* Add combine for shadd family of instructions. Changes to the WebAssembly Backend ---------------------------------- @@ -352,6 +365,11 @@ Other Changes communication with the distributor. ([#47468](https://github.com/llvm/llvm-project/issues/47468)). +Changes to the Profile Runtime +--------------------- + +* On AIX, avoid using mmap when reading profile files from a non-local filesystem. + External Open Source Projects Using LLVM {{env.config.release}} =============================================================== _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
