OSDT Weekly 第183期

近期活动

编译社区的八卦信息

• C++ 中文周刊 第95期

GCC

圣诞 + 新年假期，各社区都不太活跃

• Ventana Micro 对RISC-V后端的贡献越来越多 [PATCH] RISC-V: Optimize min/max with SImode sources on 64-bit https://gcc.gnu.org/pipermail/gcc-patches/2022-December/609242.html

• [PATCH 2/4] Initial Emeraldrapids Support https://gcc.gnu.org/pipermail/gcc-patches/2023-January/609318.html

• Sourceware infrastructure presentation and community Q&A https://gcc.gnu.org/pipermail/gcc/2022-December/240452.html

• Problems when building NT kernel drivers with GCC / LD https://gcc.gnu.org/pipermail/gcc/2023-January/240455.html

Binutils/GDB

• 非常重要的Patch set，提供对arm64 windows/PE的支持 [PATCH 1/8] ld: Rename aarch64pe emulation target to arm64pe https://sourceware.org/pipermail/binutils/2022-December/125352.html

• obsolete target tidy （AIX on PS/2 core被删除了） https://sourceware.org/pipermail/binutils/2023-January/125388.html

GLIBC

• Status and plans for glibc 2.37 release on February 1st 2023 https://sourceware.org/pipermail/libc-alpha/2022-December/144409.html

• [hurd,commited 0/7] hurd: fixes (法国人还在基于Hurd做学术研究) https://sourceware.org/pipermail/libc-alpha/2023-January/144428.html

• Update on the glibc segfault issue on Alpha （德国人基于Alpha架构处理器） https://sourceware.org/pipermail/libc-alpha/2023-January/144436.html

LLVM/Clang/LLDB/LLD

本节内容来自 LLVM Weekly 第 470 期， Alex Bradbury 大哥持续稳定输出。

• 已经火热到这个程度了嘛： Alex Zinenko suggests documenting when something isn't added to MLIR for a particular reason, in order to reduce the number of questions about the absence of such a feature.

• TBAA： Slava Zakharin started an RFC thread on supporting TBAA metadata in the LLVMIR MLIR dialect.

• 大型社区的规则制定还是很细致的，值得学习： Changes to the code of conduct were committed that clarify behaviour outside of LLVM spaces. bb778cf.

• 来自平头哥的小伙伴： MC layer support was added for the RISC-V XTHeadVdot extension. 54752f3.

QEMU (RISC-V)

• [PATCH 1/2] target/riscv: Fix up masking of vsip/vsie accesses, https://lists.gnu.org/archive/html/qemu-riscv/2022-12/msg00152.html

• [PATCH v3 0/5] target/cpu: System/User cleanups around hwaddr/vaddr, https://lists.gnu.org/archive/html/qemu-riscv/2022-12/msg00162.html

• [PATCH v2 0/9] target/misc: Header cleanups around "cpu.h", https://lists.gnu.org/archive/html/qemu-riscv/2022-12/msg00192.html

• [PATCH v2 0/4] Clean up includes, https://lists.gnu.org/archive/html/qemu-riscv/2022-12/msg00230.html

• [PATCH v2 00/15] Add support for the T-Head vendor extensions, https://lists.gnu.org/archive/html/qemu-riscv/2022-12/msg00272.html

• [PATCH v9 0/9] support subsets of code size reduction extension, https://lists.gnu.org/archive/html/qemu-riscv/2022-12/msg00325.html

• [PATCH v2 00/12] hw/riscv: Improve Spike HTIF emulation fidelity, https://lists.gnu.org/archive/html/qemu-riscv/2022-12/msg00362.html

• [PATCH qemu] target/riscv/cpu.c: Fix elen check, https://lists.gnu.org/archive/html/qemu-riscv/2022-12/msg00393.html

• [PATCH v5 00/11] riscv: OpenSBI boot test and cleanups, https://lists.gnu.org/archive/html/qemu-riscv/2023-01/msg00000.html

RISC-V in China

• RISC-V could become a first-class citizen for Android, https://riscv.org/news/2023/01/risc-v-could-become-a-first-class-citizen-for-android-pixel-7a-hands-on-video-leaked-and-geforce-now-adds-a-rtx-4080-tier-brad-linder-liliputing/

• Tencent joins open-source chip design community RISC-V as China seeks to mitigate impact from US sanctions https://riscv.org/news/2022/12/tencent-joins-open-source-chip-design-community-risc-v-as-china-seeks-to-mitigate-impact-from-us-sanctions-che-pan-south-china-morning-post/

RT-Thread 社区

• 风平浪静。

TVM / AI Compilers

• 风平浪静。

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：《统计学关我什么事》

作者： 小岛宽之

译者： 罗梦迪

推荐： 小编1号

这本书是真的厉害。很少有书能够将统计学（或其他数学）讲的如此浅显易懂，直到最后才引入了必要的公式。通过视觉辅助的矩形块的切割，建立起来了所有必须的概率和统计基础。适合所有还没有熟练掌握统计学公式的任何读过高中数学的伙伴学习入门。