OSDT Weekly 第351期

近期活动预告

编译社区的八卦信息

GCC

• [PATCH] match.pd: make "if (c) a |= CST1 else a &= ~CST1" unconditional [PR123967] https://gcc.gnu.org/pipermail/gcc-patches/2026-March/711143.html

• [PATCH v6] libstdc++: Implement [simd] for C++26 https://gcc.gnu.org/pipermail/gcc-patches/2026-March/711217.html

• [PATCH GCC17-stage1] RISC-V: Add SUBREG_PROMOTED annotation to min/max si3 expansion https://gcc.gnu.org/pipermail/gcc-patches/2026-March/711268.html

• [PATCH v4 0/2] aarch64: Add support for 2025 architecture feature https://gcc.gnu.org/pipermail/gcc-patches/2026-March/711342.html

• [PATCH][doc][RFC] middle-end/121467 - split the Standard Pattern Names section https://gcc.gnu.org/pipermail/gcc-patches/2026-March/711371.html

• [PATCH 0/3] Optimize 32-bit unsigned constant division for 64-bit targets https://gcc.gnu.org/pipermail/gcc-patches/2026-March/711395.html

BINUTILS

• [PATCH] RISCV-V: Add new relocation type for global array accesses with non-constant indices https://sourceware.org/pipermail/binutils/2026-March/148694.html

• [PATCH v2] PowerPC: Initial SFrame support for 64-bit PowerPC ELF ABI https://sourceware.org/pipermail/binutils/2026-March/148714.html

GDB

• [PATCH v3] Add support for recording minimal symbols in AIX for non DWARF compiled library function record. https://sourceware.org/pipermail/gdb-patches/2026-March/226128.html

• [PATCH 0/2] [gdb] Two patches related to readline macros https://sourceware.org/pipermail/gdb-patches/2026-March/226169.html\

• [PATCH v7 0/6] gdb: refine scheduler locking settings https://sourceware.org/pipermail/gdb-patches/2026-March/226212.html

GLIBC

• [PATCH] riscv: add RVV-optimized memchr https://sourceware.org/pipermail/libc-alpha/2026-March/176148.html

• [PATCH v2 00/23] NSS, nscd updates (for group merging and more) https://sourceware.org/pipermail/libc-alpha/2026-March/176103.html

• [PATCH v8 0/6] elf: Allow RPATH/RUNPATH for static-pie https://sourceware.org/pipermail/libc-alpha/2026-March/176033.html

LLVM/Clang/LLDB/LLD

本节内容来自 LLVM Weekly 第 638 期， Alex Bradbury 大哥持续稳定输出。

• 很久没有关注过前端了： Matheus Izvekov started a discussion on the need for better frontend benchmarks.

• 今年会有基于 libc 的 Linux 发行版出现么？ The various ways of building LLVM's libc were documented. df85f45.

• FreeBSD 还是很活跃的： Documentation was added for cross-compiling LLDB on FreeBSD. 984417d.

QEMU

• [PATCH v6 RESEND 0/4] hw/riscv/virt: Add acpi ged and powerdown support https://lore.kernel.org/qemu-devel/20260319110005712RbJuYoQlyLGr39EPL4uH4@zte.com.cn/

• [RFC PATCH 00/35] target/arm: fully model WFxT instructions for A-profile https://lore.kernel.org/qemu-devel/20260320130607.2071996-1-alex.bennee@linaro.org/

• [PATCH v2 0/7] hw/arm/sabrelite: Add FlexCAN support https://lore.kernel.org/qemu-devel/cover.1773866323.git.matyas.bobek@gmail.com/

• [PATCH 0/3] hw/tpm: add PPI support to tpm-tis-device on ARM64 virt https://lore.kernel.org/qemu-devel/20260324-tpm-tis-sysbus-ppi-v1-0-e59175210954@redhat.com/

• [RFC V2 0/2] LoongArch: Add KVM DINTC support https://lore.kernel.org/qemu-devel/20260319112930.2255004-1-gaosong@loongson.cn/

• [PATCH v3 0/9] Support QEMU cpu models in MSHV accelerator https://lore.kernel.org/qemu-devel/20260323115711.353793-1-magnuskulke@linux.microsoft.com/

• [RFC 00/32] Add migration support to the MSHV accelerator https://lore.kernel.org/qemu-devel/20260323135812.383509-1-magnuskulke@linux.microsoft.com/

• [QEMU PATCH 0/9] Application Specific Tagged Memory Support in CXL Type 3 Devices https://lore.kernel.org/qemu-devel/20260325184259.366-1-alireza.sanaee@huawei.com/

• [PATCH v3] hw/net/virtio-net: add support for notification coalescing https://lore.kernel.org/qemu-devel/20260322195624.381837-1-kdutta@redhat.com/

• [PATCH v1 0/5] PL011 and PL080 for dma transfer https://lore.kernel.org/qemu-devel/cover.1774099044.git.dingtao0430@163.com/

• [RFC v2 00/14] virtio-net: early VMStateDescription live migration support https://lore.kernel.org/qemu-devel/20260320142015.3856652-1-jonah.palmer@oracle.com/

• [PATCH] mirror: Add sparse copy support for raw block devices https://lore.kernel.org/qemu-devel/20260321120349693fnwhekaw-qAQrFgoQPU4g@zte.com.cn/

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：《你不知道的旧社会》

作者：林希

推荐：小编1号

偶然得到了这本有意思的书，看看万恶的旧社会，对于对冲目前的和平生活挺好的，不然珍惜现在中国大陆的岁月静好。旧社会的时候治安时真的不行，由此引发的各种生活幸福感落差。现在国内大城市基本上治安案件已经很少了，反倒是去欧洲的时候注意事项第一条永远是看好护照手机和钱包。