OSDT Weekly 2025-02-05 第292期

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近期活动

编译社区的八卦信息

GCC

• [Patch] [GCN] Handle generic ISA names in libgomp's plugin-gcn.chttps://gcc.gnu.org/pipermail/gcc-patches/2025-February/675132.html
• [committed 0/3] arm: Prefer POP {pc} over LDR PC [PR118089]https://gcc.gnu.org/pipermail/gcc-patches/2025-February/675133.html
• [PATCH] loop-iv, riscv: Fix getbivstep_1 for RISC-V [PR117506]https://gcc.gnu.org/pipermail/gcc-patches/2025-February/675169.html
• [PATCH v2 0/5][STAGE1] Add btfdecltag and btftypetag C attributeshttps://gcc.gnu.org/pipermail/gcc-patches/2025-February/675241.html
• [PATCH 0/8] LoongArch: SIMD odd/even/horizontal widening arithmetic cleanup and optimizationhttps://gcc.gnu.org/pipermail/gcc-patches/2025-February/675294.html
• [PATCH] RISC-V: Vector pesudoinsns with x0 operand to use imm 0. (toggle)https://gcc.gnu.org/pipermail/gcc-patches/2025-February/675343.html

BINUTILS

• [PATCH v2] RISC-V: Add support for zilsd and zclsd extensions.https://sourceware.org/pipermail/binutils/2025-February/139211.html
• [PATCH 0/5] x86: further GOT{,PCREL} related adjustmentshttps://sourceware.org/pipermail/binutils/2025-February/139217.html

GDB

• [RFC v4 00/22] Add Python "JIT" APIhttps://sourceware.org/pipermail/gdb-patches/2025-February/215211.html
• [PATCH] RISC-V: Move all global static target stuff into private data for disassembler.https://sourceware.org/pipermail/gdb-patches/2025-February/215262.html

GLIBC

• [PATCH 0/3] Optimize CORE-MATH internal tableshttps://sourceware.org/pipermail/libc-alpha/2025-February/164500.html
• [PATCH v2 0/2] posix: Improve test case coverage for cpuset macroshttps://sourceware.org/pipermail/libc-alpha/2025-February/164546.html

LLVM/Clang/LLDB/LLD

本节内容来自 LLVM Weekly 第 579 期，Alex Bradbury 大哥持续稳定输出。

• The next Cambridge (UK) compiler social will take place on 12th February including talks by George Constantinides and Alex Zinenko. Be sure to register if you plan to attend.
• The delayed, but comprehensive and well worth the wait /r/cpp Wroclaw C++ committee meeting trip report is now up.
• 听听： If you fancy hearing me discuss RISC-V and a little bit of LLVM, I'm featured in the most recent episode of Igalia's podcast.
• 有同去的伙伴么？ Tanya Lattner shared more information on EuroLLVM ticket prices and hotel.
• 来了： The LLVM 20.x branch happened and LLVM 20.1.0-rc1 was released.
• 欢迎投票： As a reminder, voting is open for the area team elections until February 10th.
• 社区治理逐步形成： Renato Golin followed up on the MLIR organisation and charter thread to propose starting to form the high-level maintainer groups and then posted a thread on an MLIR Tensor Compiler Design Group.
• 看看： MLIR News #73 is out.
• 有点高深： Oskar Wirga is seeking feedback on a potential ability for Clang to collect coverage information of compiler-provided exploit mitigations.
• 调试很重要： Ted Woodward discussed adding RISC-V CSRs to LLDB core dumps and enabling disassembly of Qualcomm's Xqci RISC-V extension.
• Milk-V Megrez 上 LLVM 可能输出更好了： A scheduler model was added for the SiFive P550. ea9993a.
• 基础设施在逐步增加： New GitHub Actions automation was added to aid users requesting commit access. f8ef269.
• 需要更多的文档： TypeSanitizer now has documentation. 822954b.

QEMU (RISC-V)

• [PATCH 00/22] target/riscv: declarative CPU definitionshttps://lists.nongnu.org/archive/html/qemu-devel/2025-02/msg01200.html
• [PATCH 0/7] hw/riscv: Move few units to common_ss[]https://lists.nongnu.org/archive/html/qemu-devel/2025-02/msg01188.html
• [PATCH v6 0/7] target/riscv: Add support for Control Transfer Records Exhttps://lists.nongnu.org/archive/html/qemu-devel/2025-02/msg00762.html

RISC-V in China

• 风平浪静。

RT-Thread 社区

• 风平浪静。

AI Compilers

• DeepSeek 让国产显卡都开始了春节疯狂的加班，适配演示部署和服务起来了。

本周工具链岗位

往期社招及实习生招聘长期有效。

本周推荐阅读

本周推荐：《当灯光暗淡之后》

作者： 艾伦·布林德

译者： 朱晨路、徐冰

推荐： 小编1号

本书相当有意思，而且是现在阅读才能体会到的有意思。作者是美国政府的经济相关顾问委员会的成员，从一个经济学家的视角去描述和尝试理解政客的做事逻辑，字里行间道尽了一个经济学家的无奈。

但是这种无奈放在2025年1月20日之后，就会发现充满了令当事人窒息的高速风暴中，一切都天翻地覆了，让我觉得讽刺辛辣又凉爽刺激。

强烈推荐在3个月内服用，喜剧效果最佳。