OSDT Weekly 第192期

近期活动

• 启动 ｜开源之夏 2023 正式上线，开源社区报名同步开放！

编译社区的八卦信息

• C++ 中文周刊 第103期

GCC

• Michael 原来在 Linaro 从事 GCC arm64 相关的工作，看来已经转投 RISC-V 阵营 [PATCH 00/07] RISC-V: Add auto-vectorization support https://gcc.gnu.org/pipermail/gcc-patches/2023-March/613260.html 但是， Patch set 似乎是源自睿思芯科 juzhe.zhong 之前的工作，但 Michael 没有提及 Juzhe 的工作。这引发了后续的道歉。 https://gcc.gnu.org/pipermail/gcc-patches/2023-March/613365.html

• [PATCH] RISC-V: Optimize the MASK opt generation https://gcc.gnu.org/pipermail/gcc-patches/2023-March/613011.html

• 玄铁906指令支持 [PATCH v4 0/9] RISC-V: Add XThead* extension support https://gcc.gnu.org/pipermail/gcc-patches/2023-March/613162.html

• 玄铁GCC支持更新汇总 [wwwdocs] gcc-13: riscv: Document the T-Head CPU support https://gcc.gnu.org/pipermail/gcc-patches/2023-March/613397.html

• [PATCH] RISC-V: Add fault first load C/C++ support https://gcc.gnu.org/pipermail/gcc-patches/2023-March/613492.html

• [PATCH] wwwdocs: Document several further C++23 changes https://gcc.gnu.org/pipermail/gcc-patches/2023-March/613199.html

• [PATCH] LoongArch: Stop -mfpu from silently breaking ABI https://gcc.gnu.org/pipermail/gcc-patches/2023-March/613215.html

• Moxie，一个toy arch [PATCH] moxie: use define_memory_constraint https://gcc.gnu.org/pipermail/gcc-patches/2023-March/613315.html

Binutils/GDB

• [RFC PATCH v1] RISC-V: Support Zicond extension https://sourceware.org/pipermail/binutils/2023-March/126352.html

• [PATCH v6 0/11 Add support for CRC64 generation in linker https://sourceware.org/pipermail/binutils/2023-March/126364.html

• [PATCH 00/18] x86: new .insn directive https://sourceware.org/pipermail/binutils/2023-March/126470.html

• [PATCH] Enable vector instruction debugging for AIX https://sourceware.org/pipermail/gdb-patches/2023-March/197653.html

GLIBC

• [PATCH 0/4] riscv: Vectorized mem*/str* function https://sourceware.org/pipermail/libc-alpha/2023-March/145976.html

• [PATCH] AArch64: Optimize strlen https://sourceware.org/pipermail/libc-alpha/2023-March/146010.html

• Improvement of fmod() https://sourceware.org/pipermail/libc-alpha/2023-March/146164.html

LLVM/Clang/LLDB/LLD

以下值得关注的内容来自小编9号的整理和推荐：

• https://reviews.llvm.org/D144792 llvm.dbg.addr intrinsic被删除。 相关讨论：https://discourse.llvm.org/t/what-is-the-status-of-dbg-addr/62898/10

本节内容来自 LLVM Weekly 第 479 期， Alex Bradbury 大哥持续稳定输出。

• 还有机会！ The EuroLLVM call for proposals was extended to Friday March 10th.

• 是宋教授！ MaskRay published linker notes on AArch64.

• 我参加了，没人来，比较尴尬： Tanya Lattner shared details of the LLVM Foundation health and infrastructure strategic planning meeting (March 20/21st) and diversity and inclusion strategic planning meeting (March 6/7).

• 有伙伴看过么，留言讨论下？ Vasileios Porpodas summarised the main concerns raised about IR checkpointing.

• 嗯？ Discussion continued on the flang-new to flang rename 'pitch'.

QEMU (RISC-V)

• [PATCH] Fix slli_uw decoding, https://lists.nongnu.org/archive/html/qemu-riscv/2023-02/msg01041.html

• [PATCH v2 1/2] hw/riscv: Skip re-generating DT nodes for a given DTB, https://lists.nongnu.org/archive/html/qemu-riscv/2023-02/msg01073.html

• [PATCH v2 00/18] target/riscv: Various fixes to gdbstub and CSR access, https://lists.nongnu.org/archive/html/qemu-riscv/2023-02/msg01077.html

• [PATCH V5 0/8] Add basic ACPI support for risc-v virt, https://lists.nongnu.org/archive/html/qemu-riscv/2023-03/msg00041.html

• [PATCH v2 1/1] hw/riscv/virt.c: add cbo[mz]-block-size fdt properties, https://lists.nongnu.org/archive/html/qemu-riscv/2023-03/msg00050.html

• [PATCH v4 00/26] gdbstub/next: re-organise and split build, https://lists.nongnu.org/archive/html/qemu-riscv/2023-03/msg00056.html

• [PATCH 0/2] Risc-V CPU state by hart ID, https://lists.nongnu.org/archive/html/qemu-riscv/2023-03/msg00083.html

• [PATCH v11 0/5] riscv: Allow user to set the satp mode, https://lists.nongnu.org/archive/html/qemu-riscv/2023-03/msg00149.html

• [PATCH v2 0/2] Fix the OpenSBI CI job and bump to v1.2, https://lists.nongnu.org/archive/html/qemu-riscv/2023-03/msg00200.html

• [PATCH 1/2] target/riscv: Expose "virt" register for GDB for reads, https://lists.nongnu.org/archive/html/qemu-riscv/2023-03/msg00204.html

• [PATCH qemu] linux-user: Emulate /proc/cpuinfo output for riscv, https://lists.nongnu.org/archive/html/qemu-riscv/2023-03/msg00261.html

• [PATCH v3 0/1] hw/riscv: Add ACT related support, https://lists.nongnu.org/archive/html/qemu-riscv/2023-03/msg00307.html

• [PATCH v12 00/10] support subsets of code size reduction extension, https://lists.nongnu.org/archive/html/qemu-riscv/2023-03/msg00311.html

RISC-V in China

• 中科院软件所创建了专门的RUYISDK公众号

RT-Thread 社区

• 风平浪静。

TVM / AI Compilers

• 上周六在上海，举办了今年第一次 TVM 线下聚会。

本周工具链岗位

往期社招及实习生招聘长期有效。

• 开源实习：算能科技招募AI开源工具链开发（TPU-MLIR项目）
• DynamoRIO RISC-V 移植开发实习生招聘（PLCT实验室）
• PLCT实验室开始招募 Mono 系统开发实习生，负责 RISC-V 移植及优化
• PLCT实验室长期招募安卓系统（AOSP）开发实习生，升级和维护 AOSP for RISC-V 开源项目

本周推荐阅读

本周推荐：《夜晚的潜水艇》

作者： 陈春成

推荐： 小编1号

9个小故事组成，每个故事都可以拯救一次无聊燥热的通勤时间。作者的脑洞不知为何，让作为读者的我总觉得自己也曾经同样的幻想过。例如平常事物在平常的一面，会有另一个完全不同的背面；石狮子在趁人不注意的时候也会打哈欠和偷懒；而梦里有梦，怪诞的设定总是会用平淡不经意的口吻说出，让人觉得好像一切本应如此。这种奇怪的感觉，像极了自己在梦里刚醒时候的茫然。