OSDT Weekly 第229期

近期活动

编译社区的八卦信息

• C++ 中文周刊 第 138 期

GCC

• GCC 14.0.0 Status Report (2023-11-20), Stage 3 in effect now https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637377.html

• [PATCH v3] RISC-V: Implement TLS Descriptors. https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637435.html

• Richard Sandiford 发出SME GCC patch set

  • [PATCH 00/21] aarch64: Add support for SME https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637049.html

  • aarch64: Add support for SME2 https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637072.html

• [PATCH] aarch64: Add an early RA for strided registers https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637421.html

• [PATCH v3 0/5] LoongArch: SIMD fixes and optimizations https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637316.html

• [RFA] New pass for sign/zero extension elimination https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637320.html

• [committed] RISC-V: Infrastructure for instruction fusion https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637303.html

• [PATCH v2 0/9] RISC-V: Support XTheadVector extensions https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637115.html

Binutils/GDB

• [PATCH v2 00/12] RISC-V: Add T-Head VECTOR vendor extension. https://sourceware.org/pipermail/binutils/2023-November/130671.html

• LoongArch: [PATCH v2 0/6] Fix some bugs of relaxation https://sourceware.org/pipermail/binutils/2023-November/130609.html

• [PATCH v5 0/4] Gold/MIPS: Improve MIPS support in configure.tgt https://sourceware.org/pipermail/binutils/2023-November/130515.html

• [COMMITTED PATCH v2 0/9] GDB: Require C++17 https://sourceware.org/pipermail/gdb-patches/2023-November/204340.html

GLIBC

• [PATCH v2] aarch64: Add vector implementations of expm1 routines https://sourceware.org/pipermail/libc-alpha/2023-November/152791.html

• [PATCH 0/4] x86: Improve ERMS usage on Zen3+ https://sourceware.org/pipermail/libc-alpha/2023-November/152798.html

LLVM/Clang/LLDB/LLD

本节内容来自 LLVM Weekly 第 516 期， Alex Bradbury 大哥持续稳定输出。

• 复习！ The first video from the LLVM Developers' Meeting 2023 is now available, April Wensel's keynote "A Technical Guide to Compassion in Open Source". Keep an eye on the linked playlist for more videos being posted.

• 这是计划的一部分： LLVM 17.0.5 was released.

• C++ 现在已经处于怎么学都学不完的程度了： The /r/cpp subreddit moderators and various C++ committee members posted a 2023-11 Kona ISO C++ committee trip report.

• AI 终将大规模进入编译器了么：Aiden Grossman authored RFCs on upstreaming elements of the machine learning guided optimisation tooling and creating an incubator project for llvm-ir-dataset-utils.

• Heiher大佬？ "hev" suggested adding a per-global code model attribute allowing the target's default code model to be over-ridden on a per-global basis, motivated by some LoongArch needs.. Arthur Eubanks responded to note Google would also like to see something along these lines for x86-64's medium code model.

• LLVM + GraalVM = ？ The GraalVM calling convention was added. aeedc07.

• 恭喜，国内的伙伴有重要参与： MC layer support for CORE-V RISC-V vendor extensions XCVmem and XCVelw was committed. 71a7108.

• Flang 逐渐成熟： Initial support for the NVPTX target was added to Flang. be9fa9d.

• GitHub Actions DSL 要学起来了： The libc++ buildkite builders were mostly ported to GitHub actions. 9ed4a57.

QEMU (RISC-V)

• 风平浪静。招募志愿者小编。

RISC-V in China

• 拥抱开源生态，算能携手软件所 PLCT 实验室联合举办 RISC-V 软件移植优化锦标赛
• 首次亮相国际舞台 | 芯来RISC-V CPU IP北美峰会引关注
• 赛昉科技重磅亮相RISC-V Summit 2023
• 玄铁 RISC-V 处理器三连发，推动 RISC-V 走向大规模商用落地

RT-Thread 社区

• 风平浪静。招募志愿者小编。

TVM / 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 Lab 新开放100名开源实习岗位，面向 RISC-V 移植操作系统、数据库、网络基础库
• PLCT 实习： BJ100 RISC-V nettle 开发实习生
• PLCT 实习： BJ99 RISC-V OpenSSL 开发实习生
• PLCT 实习： BJ98 Flutter RISC-V 开发实习生
• 开源实习：算能科技招募AI开源工具链开发（TPU-MLIR项目）
• DynamoRIO RISC-V 移植开发实习生招聘（PLCT实验室）
• PLCT实验室开始招募 Mono 系统开发实习生，负责 RISC-V 移植及优化
• PLCT实验室长期招募安卓系统（AOSP）开发实习生，升级和维护 AOSP for RISC-V 开源项目

本周推荐阅读

本周推荐：《走出唯一真理观》

作者： 陈嘉映

推荐： 小编1号

这位陈嘉映老师是搞哲学的，不是影视娱乐圈的。这本《走出唯一真理观》是陈嘉映老师过去几年的演讲合订本。

虽然做的是抽象枯燥的哲学思辨，但是陈嘉映老师在这本书中是口述风格的介绍，几乎没有门槛，就像是一个成熟的导师在讲述自己的生平故事，以期能够指导点播年轻人。

看完之后感觉思维的维度长出来新的一层，看世界也更加缓慢下来了。