OSDT Weekly 第292期 · OSDT Weekly

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编译社区的八卦信息

C++ 中文周刊第 177 期

GCC

[Patch] [GCN] Handle generic ISA names in libgomp's plugin-gcn.c https://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 get_biv_step_1 for RISC-V [PR117506] https://gcc.gnu.org/pipermail/gcc-patches/2025-February/675169.html
[PATCH v2 0/5][STAGE1] Add btf_decl_tag and btf_type_tag C attributes https://gcc.gnu.org/pipermail/gcc-patches/2025-February/675241.html
[PATCH 0/8] LoongArch: SIMD odd/even/horizontal widening arithmetic cleanup and optimization https://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

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 definitions https://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 Ex https://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。

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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

近期活动

编译社区的八卦信息

GCC

BINUTILS

GDB

GLIBC

LLVM/Clang/LLDB/LLD

QEMU (RISC-V)

RISC-V in China

RT-Thread 社区

AI Compilers

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