OSDT Weekly 第366期

近期活动预告

编译社区的八卦信息

GCC

• [PATCH v5] RISC-V: Add small loop unrolling support via -munroll-only-small-loops https://gcc.gnu.org/pipermail/gcc-patches/2026-July/722983.html

• [PATCH] expand: Improve tuple-extraction handling. https://gcc.gnu.org/pipermail/gcc-patches/2026-July/722586.html

• [PATCH] bpf: Handle constants in TARGET_RTX_COSTS https://gcc.gnu.org/pipermail/gcc-patches/2026-July/722609.html

• [PATCH 0/2] RISC-V: Support openmp vector function name mangling rules https://gcc.gnu.org/pipermail/gcc-patches/2026-July/722818.html

• [WIP PATCH] Add __builtin_va_arg_bitint, __builtin_bitint_unpack and __builtin_bitint_pack builtins https://gcc.gnu.org/pipermail/gcc-patches/2026-July/722870.html

• [PATCH v3 0/4] x86: Implement TARGET_FNTYPE_ABI https://gcc.gnu.org/pipermail/gcc-patches/2026-July/722946.html

• [PATCH] match.pd: Eliminate dead operand in vector permute and insert patterns https://gcc.gnu.org/pipermail/gcc-patches/2026-July/723070.html

BINUTILS

• [PATCH] readelf: Save and dump the original section header values https://sourceware.org/pipermail/binutils/2026-July/149989.html

• [PATCH v0 0/4] Emit fewer relocations for linker relaxation https://sourceware.org/pipermail/binutils/2026-July/150048.html

• [PATCH 0/2] RISC-V: Check for conflicting extensions when the linker merges arch attributes https://sourceware.org/pipermail/binutils/2026-July/150010.html

• [PATCH] RISCV-V: Add new relocation type for global array accesses with non-constant indices https://sourceware.org/pipermail/binutils/2026-July/150059.html

GDB

• [PATCH v1 0/8] gdb: various refactoring in linux-tdep https://sourceware.org/pipermail/gdb-patches/2026-July/228392.html

• [PATCH v3 00/11] Add AlwaysNonStop remote protocol extension https://sourceware.org/pipermail/gdb-patches/2026-July/228428.html

• [PATCH v3 00/12] Add new command to print the shadow stack backtrace https://sourceware.org/pipermail/gdb-patches/2026-July/228440.html

GLIBC

• [PATCH] elf: Support multiple PT_GNU_RELRO segments https://sourceware.org/pipermail/libc-alpha/2026-July/178705.html

• Draft C2Y _BitInt related proposals https://sourceware.org/pipermail/libc-alpha/2026-July/178738.html

• [V2] riscv: Implement Zbb based strlen and prefer it over the RVV based strlen implementation when Zbb is available https://sourceware.org/pipermail/libc-alpha/2026-July/178648.html

LLVM/Clang/LLDB/LLD

本节内容来自 LLVM Weekly 第 653 期， Alex Bradbury 大哥持续稳定输出。

• 荣誉！ The new issue of Communications of the ACM has a piece from Vikram S Adve and Chris Lattner on the LLVM compiler infrastructure, the impact it's had, and the effect of the federal research funding it received.

• LLVM 23 要来了： LLVM 23.x will branch next week, on Tuesday 14th July.

• LLDB 的开发最近越来越活跃了： Satyajanga kicked off an RFC discussion on address spaces support in LLDB.

• 可以看看：I somehow missed it when first posted, but Joseph Huber proposed a concurrency sanitizer for AMD GPU targets and has now followed up with some benchmarks and PRs.

• 注意这个小变化： lit process output is now truncated to 10KiB by default. 524b97a.

QEMU

• [RFC PATCH 0/2] *** Add k230 reset management unit support *** https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg02636.html

• [PATCH v4 00/24] target/riscv: move TCG files and fix --disable-tcg https://lists.nongnu.org/archive/html/qemu-riscv/2026-07/msg00117.html

• [PATCH v1 0/2] accel/kvm: notify management of vCPU run errors https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg02391.html

• [PATCH] tcg/x86_64: declare MO_ATOM_WITHIN16 host atomicity support https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg02039.html

• [PATCH 0/5] hw/i2c: PMBus updates https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg01778.html

• [PATCH RFC v1 0/9] arm: add Raspberry Pi Pico/RP2040 machine https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg01243.html

• [PATCH v4] input-linux: Add option to not grab a device upon guest startup https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg01199.html

• [PATCH] qemu-options: Enable the -enable-kvm option for loongarch https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg01045.html

• [PATCH 0/4] Updates for hppa architecture https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg01012.html

• [PATCH v1 0/3] hw/usb: Add ASPEED USB Device Controller (UDC) https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg00743.html

• [PATCH 0/4] hw/arm/aspeed: Add sanmiguel-bmc machine type https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg00532.html

• [PATCH v4 0/3] arm: demuxed ID registers (CCSIDR_EL1) https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg00414.html

• [PATCH v9 0/2] virtio-net: Add notification coalescing support https://lists.nongnu.org/archive/html/qemu-devel/2026-07/msg00385.html

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。

本周推荐阅读

本周推荐：《咸的玩笑》

作者：刘震云

推荐：小编1号

刘震云写的故事，文字有很明显的风格：都是短句子。而且自从看过了刘震云的访谈，我脑子里看到《咸的玩笑》里面故事的时候，总是会自动脑补出来刘震云口述的声音来。很口语化，简短，看起平常，道尽一个人又一个人的生活。

看了一段时间之后我会变得对自己的生活感受更加释然，就好像是旁观故事里的人物一样开始旁观了自己，专注地期待着，不会想起来要去看看手机。