2024-12-11.md

OSDT Weekly 2024-12-11 第284期

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近期活动

• 第16届开源开发工具大会（OSDTConf2024）完满落幕。明年见！

编译社区的八卦信息

• C++ 中文周刊 改名为 性能周刊 第 0 期

GCC

• [PATCH V2], Add PowerPC Dense Match Support for future cpus https://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 promotion https://gcc.gnu.org/pipermail/gcc-patches/2024-December/670862.html

• [PATCH v3] RISC-V: Add --with-cmodel configure option https://gcc.gnu.org/pipermail/gcc-patches/2024-December/670886.html

• [PATCH v3] fold fold_truth_andor field merging into ifcombine https://gcc.gnu.org/pipermail/gcc-patches/2024-December/671126.html

BINUTILS

• [PATCH v1 0/4] [RFC] Provide a target-specific definition to enable/disable section of code in others modules than gas https://sourceware.org/pipermail/binutils/2024-December/138053.html

• [PATCH 0/3] LoongArch: Allow and correctly resolve PC-relative relocs against local undefined weak symbols https://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

GDB

• [PATCH v2 1/2] dwarf_lang_to_enum_language: Map new DWARF5 constants https://sourceware.org/pipermail/gdb-patches/2024-December/213902.html

• [PATCH v5 0/4] Make linux checkpoints work with multiple inferiors https://sourceware.org/pipermail/gdb-patches/2024-December/213924.html

• [PATCH v8 0/5] Modernize frame unwinders and add disable feature https://sourceware.org/pipermail/gdb-patches/2024-December/213949.html

GLIBC

• [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 TEST_CC and TEST_CXX support https://sourceware.org/pipermail/libc-alpha/2024-December/162099.html

• [PATCH v4 0/9] Add support for memory sealing https://sourceware.org/pipermail/libc-alpha/2024-December/162151.html

LLVM/Clang/LLDB/LLD

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.

QEMU (RISC-V)

• [PATCH 0/3] riscv misaligned accesses https://lists.nongnu.org/archive/html/qemu-devel/2024-12/msg02566.html

• [PATCH v7 0/2] target/riscv: rvv: reduce the overhead for simple RISC-V https://lists.nongnu.org/archive/html/qemu-devel/2024-12/msg02265.html

• [RFC PATCH v5 0/1] target/riscv: rvv: Use wider accesses for unit stride https://lists.nongnu.org/archive/html/qemu-devel/2024-12/msg02274.html

RISC-V in China

• 玄铁团队加入甲辰计划。至此全球主要 RISC-V IP 厂商均已加入甲辰计划。
• 矽速科技与PLCT实验室联合宣布：LicheePi 4A 软件生态并入 RuyiSDK 项目，共建 RISC-V 开发者生态。国内 RISC-V 生态整合的一小步。

RT-Thread 社区

• 风平浪静，静待12月21日 RT-Thread 大会。

AI Compilers

• 风平浪静。招募志愿者小编。

本周工具链岗位

往期社招及实习生招聘长期有效。

• PLCT实验室招聘 “OpenCV RISC-V 向量扩展移植与优化” 实习生｜甲辰计划开源实习生联合招聘培养
• 上海新岗位：编译器专家、软件工程师、软件专家
• 来试试 MoonBit 语言吧！PLCT开放100名MoonBit 应用开发实习名额｜甲辰计划开源实习生联合招聘培养工程
• PLCT实验室开放20名乘影GPGPU工具链开发实习岗位｜甲辰计划开源实习生联合招聘培养
• 开源项目实习经理（PM）现开放招聘｜甲辰计划开源实习生联合招聘培养
• PLCT实验室招募科研实习生（林泓宇小队）｜甲辰计划开源实习生联合招聘培养
• 平头哥编译器团队招聘直通车
• 实习岗位列表（2024年10月）｜甲辰计划开源实习生联合招聘培养

本周推荐阅读

本周推荐：《随椋鸟飞行》

作者: [意] 乔治•帕里西

译者: 文铮

推荐：小编1号

本书的章节有一搭没一搭的，一会儿观鸟建模一会儿物理学一会儿回到生物学。但是作为扩展自己的视野来看，也蛮有意思。从另一个平常读者可能没有注意的角度，去重新思考被忽视的日常。

我们习以为常的每一个自然界现象都可能是连续不断的奇迹的组合。