OSDT Weekly 2024-12-11 第284期

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编译社区的八卦信息

[PATCH V2], Add PowerPC Dense Match Support for future cpushttps://gcc.gnu.org/pipermail/gcc-patches/2024-December/670789.html
[PATCH 2/7]AArch64: Add SVE support for simd clones [PR96342]https://gcc.gnu.org/pipermail/gcc-patches/2024-December/670815.html
[COMMITTED 1/2] sched1: parameterize pressure scheduling spilling aggressiveness [PR/114729]https://gcc.gnu.org/pipermail/gcc-patches/2024-December/670849.html
[PATCH v6 0/7] Correct outgoing integer argument promotionhttps://gcc.gnu.org/pipermail/gcc-patches/2024-December/670862.html
[PATCH v3] RISC-V: Add --with-cmodel configure optionhttps://gcc.gnu.org/pipermail/gcc-patches/2024-December/670886.html
[PATCH v3] fold foldtruthandor field merging into ifcombinehttps://gcc.gnu.org/pipermail/gcc-patches/2024-December/671126.html

[PATCH v1 0/4] [RFC] Provide a target-specific definition to enable/disable section of code in others modules than gashttps://sourceware.org/pipermail/binutils/2024-December/138053.html
[PATCH 0/3] LoongArch: Allow and correctly resolve PC-relative relocs against local undefined weak symbolshttps://sourceware.org/pipermail/binutils/2024-December/138080.html
[RFD 0/5] Add support for MTE stack tagging.https://sourceware.org/pipermail/binutils/2024-December/137989.html

[PATCH v2 1/2] dwarflangtoenumlanguage: Map new DWARF5 constantshttps://sourceware.org/pipermail/gdb-patches/2024-December/213902.html
[PATCH v5 0/4] Make linux checkpoints work with multiple inferiorshttps://sourceware.org/pipermail/gdb-patches/2024-December/213924.html
[PATCH v8 0/5] Modernize frame unwinders and add disable featurehttps://sourceware.org/pipermail/gdb-patches/2024-December/213949.html

[PATCH v6 0/9] Patch to fix glibc condition variable bug (Bug 25847)https://sourceware.org/pipermail/libc-alpha/2024-December/162047.html
[PATCH] Add TESTCC and TESTCXX supporthttps://sourceware.org/pipermail/libc-alpha/2024-December/162099.html
[PATCH v4 0/9] Add support for memory sealinghttps://sourceware.org/pipermail/libc-alpha/2024-December/162151.html

本节内容来自LLVM Weekly 第 571 期，Alex Bradbury 大哥持续稳定输出。

周末有的看了： Recordings from the 2024 LLVM Developers' Meeting are now available.
如期而至： LLVM 19.1.5 was released.
欢迎报名（截止12月14号）！ Tanya Lattner is seeking volunteers for the 2025 EuroLLVM program committee.
好耶： Keith Smiley reported that Vim filetype support for LLVM can now be taken from a separate llvm.vim repo (this mirrors the relevant files from the monorepo).
收藏： In response to a question, Manuel Brito provided a summary of issues with GVN vs NewGVN.
做MLIR的伙伴值得关注一下： Jacques Pienaar is seeking feedback on a PR to move MLIR Python to nanobind from pybind11, noting that this led to meaningful performance improvements for MLIR lowering time of a Google-internal LLM model in JAX.
量子概念最近很热： Experimental MC layer support was added for the Qualcomm RISC-V 'Xqcia' extension. 6881c6d.
C++的生命力是真旺盛： For C++26, a deprecation warning will be emitted when a variadic parameter declaration isn't preceded by a comma. 54fcf3e.
写技术文档很不容易，需要花费大量时间： The documentation of LLVM's libc was reorganised. a9aff44.
国内伙伴有在使用这个系统么？ Libunwind's support for the Haiku operating system was improved. 3b904ae.

[PATCH 0/3] riscv misaligned accesseshttps://lists.nongnu.org/archive/html/qemu-devel/2024-12/msg02566.html
[PATCH v7 0/2] target/riscv: rvv: reduce the overhead for simple RISC-Vhttps://lists.nongnu.org/archive/html/qemu-devel/2024-12/msg02265.html
[RFC PATCH v5 0/1] target/riscv: rvv: Use wider accesses for unit stridehttps://lists.nongnu.org/archive/html/qemu-devel/2024-12/msg02274.html