OSDT Weekly 第291期

近期活动

近期都在过春节，熬夜刷手机，早上赖床，不想工作。

编译社区的八卦信息

• C++ 中文周刊 第 176 期 回来了！

GCC

• [PATCH 00/13] Realign x86 GCC after Binutils change [PR118270] https://gcc.gnu.org/pipermail/gcc-patches/2025-January/674157.html

• [PATCH] RISC-V: Disable two-source permutes for now [PR117173]. https://gcc.gnu.org/pipermail/gcc-patches/2025-January/674272.html

• [PATCH 1/3] aarch64: Allow FPMR source values to be zero https://gcc.gnu.org/pipermail/gcc-patches/2025-January/674286.html

• [PATCH v2 1/4] RISC-V: Refactor SAT_* operand rtx extend to reg help func [NFC] https://gcc.gnu.org/pipermail/gcc-patches/2025-January/674344.html

• [PATCH v2 00/11] aarch64: Refactor target parsing https://gcc.gnu.org/pipermail/gcc-patches/2025-January/674448.html

• [PATCH v2 1/7] Add tunables for input buffer https://gcc.gnu.org/pipermail/gcc-patches/2025-January/674525.html

BINUTILS

• [PATCH 0/2] RISC-V: Add support for RISC-V Profiles. https://sourceware.org/pipermail/binutils/2025-January/138903.html

• [PATCH 0/2] s390: Fix memory leaks in assembler and linker https://sourceware.org/pipermail/binutils/2025-January/138952.html

• [PATCH 0/3] x86: SNP improvements https://sourceware.org/pipermail/binutils/2025-January/138972.html

• [PATCH 0/4] s390: Make vector index register operands mandatory https://sourceware.org/pipermail/binutils/2025-January/138991.html

• Introducing ELF2.0 https://sourceware.org/pipermail/binutils/2025-January/139100.html

GDB

• [PATCH 0/3] Add on-demand debuginfo downloading https://sourceware.org/pipermail/gdb-patches/2025-January/214957.html

• [PATCH v3 00/10] gdbserver: refactor regcache https://sourceware.org/pipermail/gdb-patches/2025-January/214993.html

• [RFC v3 00/25] Add Python "JIT" API https://sourceware.org/pipermail/gdb-patches/2025-January/215047.html

GLIBC

• [PATCH] Linux: Do not check unused bytes after sched_getattr in tst-sched_setattr https://sourceware.org/pipermail/libc-alpha/2025-January/164089.html

• [PATCH] ld.so: Decorate BSS mappings https://sourceware.org/pipermail/libc-alpha/2025-January/164129.html

• [PATCH 0/11] Improve Mips target https://sourceware.org/pipermail/libc-alpha/2025-January/164202.html

• [PATCH] math: Refactor how to use libm-test-ulps https://sourceware.org/pipermail/libc-alpha/2025-January/164299.html

• [hurd,commited 0/7] move pthread_mutex_* and pt-setcanceltype https://sourceware.org/pipermail/libc-alpha/2025-January/164335.html

LLVM/Clang/LLDB/LLD

本节内容来自 LLVM Weekly 第 578 期， Alex Bradbury 大哥持续稳定输出。

• 2月11日截止，投票请关注哦： Voting in LLVM area team elections is now open and will close on 11th February.

• 关于社区访问权限讨论，欢迎贡献自己的观点： Chris Lattner argued against the proposed commit access criteria RFC, on the basis that it makes it more difficult to get involved with LLVM.

• 每两周发布一次： Tom Stellard proposes LLVM point releases every two weeks.

• GSoC2025 要开始了： Anton Korobeynikov is seeking mentors and project ideas for Google Summer of Code this year.

• Tom Stellard reminds us that the LLVM 20.x branch will be created on Tue January 28th. Meanwhile, Tobias Hieta noted that LLVM 19.1.8 won't be released at this time as there are insufficient changes to be worthwhile.

• 有没有一起去EuroLLVM的伙伴？ Proposals for 2025 EuroLLVM co-located workshops are open until Feb 1st. Mircea Trofin is gauging interest in LLVM :hearts: ML.

• 社区技术合作方面的完善： David Spickett started an RFC discussion on how to encourage reviewers to merge on behalf of PR authors without commit access and plans to "1) Make the documentation more clear for PR authors and reviewers, with reference to the current way things are expected to happen. 2) Work on workflows to first add a comment on open, then, on a timer, find labelled and approved PRs and add comments to them with instructions for PR author and reviewers.".

• 知识产权方面的完善： LLVM's policy on embedded copyright notices was documented. c59ede6.

• SystemZ还在维护啊？ Support was added for the arch15 SystemZ architecture. 8424bf20.

• 这是什么，伙伴们有看过么？ Quick start notes were written for Sandbox IR. e0ae889.

QEMU (RISC-V)

• [RFC 0/1 v1] target/riscv: optimize the memory probing for vector fault-only-firstloads. https://lists.nongnu.org/archive/html/qemu-devel/2025-01/msg05799.html

• [PATCH 00/12] target/riscv: Fix some RISC-V instruction corner cases https://lists.nongnu.org/archive/html/qemu-devel/2025-01/msg04855.html

• [RFC 0/1 v3] target/riscv: use tcg ops generation to emulate whole reg rvv loads/stores. https://lists.nongnu.org/archive/html/qemu-devel/2025-01/msg04140.html

• [PATCH v10 0/8] Support RISC-V IOPMP https://lists.nongnu.org/archive/html/qemu-devel/2025-01/msg04018.html

RISC-V in China

• 春节期间，风平浪静。GeekBench 6 添加了 RISC-V Vector 1.0 支持，拥有RVV1.0扩展的RISC-V芯片甚至能获得性能翻倍的效果。

RT-Thread 社区

• 春节期间，风平浪静。

AI Compilers

• 春节期间，风平浪静，才怪咧～ DeepSeek 在北美炸场了。慢慢的谈论涉及到了 PTX / SASS 直接编程，涉及到了 AMD 的计算卡，涉及到了国内几个国产看如何适配计算。不过由于是在春节期间，进一步的技术挖掘并不深刻。

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：《资本的眼睛》

作者： 吴卫军

推荐： 小编1号

讲审计师和注册会计师的历史、必要性、专业性的。咱们作为非财务人员，当作通识教育和故事会看就很好，比较有意思。