OSDT Weekly 第358期

近期活动预告

编译社区的八卦信息

GCC

• [pushed: r17-359] analyzer: add data flow events https://gcc.gnu.org/pipermail/gcc-patches/2026-May/715929.html

• [PATCH v2 0/8] RISC-V: Add zvfofp8min intrinsic support https://gcc.gnu.org/pipermail/gcc-patches/2026-May/716250.html

• [PATCH 0/2] aarch64: Add support for FEAT_CMH https://gcc.gnu.org/pipermail/gcc-patches/2026-May/716051.html

• [PATCH v3] x86_cse: Add X86_CSE_CONST_VECTOR https://gcc.gnu.org/pipermail/gcc-patches/2026-May/716088.html

• PATCH] c/c++: Get unsigned integer type for pointer https://gcc.gnu.org/pipermail/gcc-patches/2026-May/716135.html

• [PATCH] RISC-V: Don't emit cm.popret when zcmp + zicfiss is enabled [PR125217] https://gcc.gnu.org/pipermail/gcc-patches/2026-May/716166.html

• [PATCH V2] rs6000: Add Future Vector Integer Arithmetic Instructions [RFC02680] https://gcc.gnu.org/pipermail/gcc-patches/2026-May/716294.html

• [PATCH v11 0/7] Introduce Kernel Control Flow Integrity ABI [PR107048] https://gcc.gnu.org/pipermail/gcc-patches/2026-May/716349.html

• [V3][RISC-V] Improve SI->DI zero/sign extension patterns for RISC-V https://gcc.gnu.org/pipermail/gcc-patches/2026-May/716376.html

• [PATCH v5] RX: Fix infinite-loop on LRA https://gcc.gnu.org/pipermail/gcc-patches/2026-May/716422.html

BINUTILS

• [PATCH] RISC-V: Also output undefined symbols as dynamic symbols https://sourceware.org/pipermail/binutils/2026-May/149275.html

• [PATCH] MAINTAINERS: update my email address https://sourceware.org/pipermail/binutils/2026-May/149310.html

GDB

• gdb-17 branch FROZEN https://sourceware.org/pipermail/gdb-patches/2026-May/227280.html

• [PATCH] Remove support for the Common Trace Format (CTF) https://sourceware.org/pipermail/gdb-patches/2026-May/227276.html

• [PATCH v3 1/7] gdb/dwarf: move dwo_unit and dwo_file to dwo.h https://sourceware.org/pipermail/gdb-patches/2026-May/227310.html

• [PATCH v2 0/4] gdb/aarch64: record/replay support for AArch64 https://sourceware.org/pipermail/gdb-patches/2026-May/227353.html

GLIBC

• [PATCH] arm: Prevent GCC from using VFP registers in code used during dynamic linking https://sourceware.org/pipermail/libc-alpha/2026-May/177294.html

• [PATCH v2 1/2] timezone: sync to tzdb 2026b https://sourceware.org/pipermail/libc-alpha/2026-May/177358.html

• [RFC PATCH 1/2] RISC-V: Add VLA support and Fortran declarations to RVV libmvec https://sourceware.org/pipermail/libc-alpha/2026-May/177378.html

LLVM/Clang/LLDB/LLD

本节内容来自 LLVM Weekly 第 645 期， Alex Bradbury 大哥持续稳定输出。

• 感谢分享： I've written up the recipes I use to build 32-bit RISC-V sysroots with Yocto for LLVM cross compilation and testing.

• 辛苦了： LLVM 22.1.5 was released.

• 国内伙伴？ JinRui Shi proposed a new parallel DWARF processing approach in BOLT.

• 可以搞一个RISC-V扩展吟唱大赛了： MC layer support was added for the experimental RISC-V Zvvmm integrated matrix extension. a8b0124.

• 安全是被AI卷的越来越厉害了： The 2026 Security Response Group Transparency report is now available. 143aa41.

QEMU

• [PATCH v6 0/6] target/riscv: Implement Smsdid and Smmpt extension https://lore.kernel.org/qemu-devel/20260511124705.28161-1-zhiwei_liu@linux.alibaba.com/

• [PATCH v9 0/7] Add RISC-V big-endian target support https://lore.kernel.org/qemu-devel/20260511083819.206216-1-djordje.todorovic@htecgroup.com/

• [PATCH v7 0/5] Add support for K230 board https://lore.kernel.org/qemu-devel/cover.1778516731.git.chao.liu.zevorn@gmail.com/

• [PATCH v2 0/6] hw/riscv: Add support for Milk-V Duo board https://lore.kernel.org/qemu-devel/20260514011528.1263665-1-visitorckw@gmail.com/

• [PATCH v2 0/4] Support the true Zicclsm extension https://lore.kernel.org/qemu-devel/20260513035310.3764218-1-frank.chang@sifive.com/

• [PATCH v2 00/14] target/riscv: remove riscv_cpu_* arrays https://lore.kernel.org/qemu-devel/20260512032926.1978818-1-daniel.barboza@oss.qualcomm.com/

• [PATCH v1] hw/riscv/riscv-iommu: Avoid caching PCI device IDs https://lore.kernel.org/qemu-devel/20260514020637.2819308-1-gaochengbo@bosc.ac.cn/

• [PATCH] target/riscv/kvm: skip FP/Vector sync on KVM_PUT_RUNTIME_STATE https://lore.kernel.org/qemu-devel/20260513100447.2167615-1-mengzhuo@iscas.ac.cn/

• [PATCH] target/riscv: Update the local interrupt mask https://lore.kernel.org/qemu-devel/20260513051841.1671987-1-alistair.francis@wdc.com/

• [PATCH v6 00/15] hw/arm: add Beckhoff CX7200 board https://lore.kernel.org/qemu-devel/20260513105517.146706-1-corvin.koehne@gmail.com/

• [PATCH v7 00/35] target/mips: add missing Octeon user-mode support https://lore.kernel.org/qemu-devel/20260514-mips-octeon-missing-insns-v2-v7-0-226686be4ce1@gmail.com/

• [PATCH 0/1] hw/scsi: add initial SCSI tape device emulation https://lore.kernel.org/qemu-devel/20260513024454.75840-1-emmanuelugwu121@gmail.com/

RISC-V in China

• https://ruyisdk.cn 每日八卦都在这里了。

RT-Thread 社区

• 风平浪静。招募小编！

AI Compilers

• 风平浪静。招募小编！

本周工具链岗位

往期社招及实习生招聘长期有效。

• 知名芯片公司诚招AI基础软件专家
• Nvidia在北京办公室新开放了一个AI负责人岗位。点击这里查看
• 京东开放JavaScript引擎开发岗位，参与京东JS引擎能力建设

本周推荐阅读

本周推荐：《完美脸蛋》

作者：伊莉斯·胡（Elise Hu）

译者：单映

推荐：小编1号

还是挺有意思的一本书的，扩展了我的视野。让我知道了BB霜的历史。有些内容看着有点意外，可能会有人觉得头皮发麻，有的人可能觉得愤怒，有的人或许能从书中看到中国大陆的过去的一些映照。

打开一个新的视角，感觉生活更有趣了一点。以后跟人聊天有了新的吹牛素材。