OSDT Weekly 第207期

近期活动

• 6月24日南京 Meetup 场地确定，观众报名开始

编译社区的八卦信息

• C++ 中文周刊 第 118 期

GCC

• Announcing GCC Code of Conduct https://gcc.gnu.org/pipermail/gcc/2023-June/241826.html

• gcc tricore porting https://gcc.gnu.org/pipermail/gcc/2023-June/241805.html 话说tricore ISA贡献了很早期的LLVM porting经验 Design and Implementation of a TriCore Backend for the LLVM compiler framework https://opus4.kobv.de/opus4-fau/files/1108/tricore_llvm.pdf

• [PATCH] RISC-V: Add VLS modes for GNU vectors https://gcc.gnu.org/pipermail/gcc-patches/2023-June/622099.html

• [PATCH] RISC-V: Optimize codegen of VLA SLP https://gcc.gnu.org/pipermail/gcc-patches/2023-June/622247.html

• [PATCH] Add bfloat16_t support for riscv https://gcc.gnu.org/pipermail/gcc-patches/2023-June/621933.html

• [PATCH] RISC-V: Add autovec FP unary operations. https://gcc.gnu.org/pipermail/gcc-patches/2023-June/621737.html

• [PATCH v4 0/9] MIPS: Add MIPS16e2 ASE instrucions https://gcc.gnu.org/pipermail/gcc-patches/2023-June/622133.html

• [PATCH v1] RISC-V: Fix out of range memory access when lto mode init https://gcc.gnu.org/pipermail/gcc-patches/2023-June/622129.html

Binutils/GDB

• [PATCH 0/1] riscv: Ensure LE instruction fetching https://sourceware.org/pipermail/binutils/2023-June/127943.html

• [PATCH 0/5] x86/disasm: deal with invalid uses of AVX512 masking https://sourceware.org/pipermail/binutils/2023-June/127911.html

• [PATCH v4 0/7] Some MIPS changes and testsuite fixes https://sourceware.org/pipermail/binutils/2023-June/127893.html (芯联芯持续投入MIPS工具链维护）

• [PATCH v2 0/3] Add support for MIPS Allegrex https://sourceware.org/pipermail/binutils/2023-June/127830.html

GLIBC

• [PATCH 00/21] Allow glibc to be built with _FORTIFY_SOURCE https://sourceware.org/pipermail/libc-alpha/2023-June/149178.html

• [PATCH v2 1/4] aarch64: Add vector implementations of sin/cos/log/exp routines https://sourceware.org/pipermail/libc-alpha/2023-June/149124.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（主要是 LLVM IR 变更）：

• RFC Correct implementation of memcpy with metadata

本节内容来自 LLVM Weekly 第 494 期， Alex Bradbury 大哥持续稳定输出。

• 7月31日截止： The call for speakers is now open for the 2023 LLVM Dev Meeting, with submissions due by July 31st. Additionally, there's a thread asking about what tutorials people would like to see and a call for workshops (with several linked threads already created to gauge interest in various topics).

• 注意提前申请签证： The toolchains track at the Linux Plumbers Conf'23 has an open call for participation, with submissions due by September 25th.

• C++大佬： Herb Sutter's trip report from the Summer ISO C++ standards meeting is now up.

• 能成？ Sjoerd Meijer kicked off an RFC discussion on an assembly super optimiser. The current proof of concept focuses on instruction scheduling and uses the Z3 SAT solver.

• 好事： Chris Lattner summarised the outcome of the discussion on the proposal to rename flang-new to flang including a summary of the proposal that all parties agreed with.

• 又改？ Philip Reames shared a heads up on planned changes to the RISC-V vector pseudos.

• 好人： In response to a user question, Artem Dergachev gave om pointers on how to implement a checker

• 收藏： Slides and a recording from part 2 of the Numba presentation at the MLIR open meeting are now available.

• 眼馋： A scheduling model was added for the Neoverse V2. 887362d.

• 日拱一卒： SLP is now enabled by default for the RISC-V backend when the V extension is enabled. 7f26c27.

• 好消息： BOLT now has minimal support for 64-bit RISC-V. f873029.

• JITLink 也要学起来了（国内有陆旭凡工程师贡献过代码）： BOLT was migrated from the now deprecated RuntimeDyld to JITLink. 05634f7.

QEMU (RISC-V)

• [PATCH v2 0/6] target/riscv: Add support for BF16 extensions, https://lists.gnu.org/archive/html/qemu-riscv/2023-06/msg00377.html

• [PATCH] hw/riscv/virt.c: fix typo in 'aia' description, https://lists.gnu.org/archive/html/qemu-riscv/2023-06/msg00383.html

• [PATCH 0/1] hw/riscv/virt.c: check for 'ssaia' with KVM AIA, https://lists.gnu.org/archive/html/qemu-riscv/2023-06/msg00392.html

• [PATCH] linux-user/riscv: Add syscall riscv_hwprobe, https://lists.gnu.org/archive/html/qemu-riscv/2023-06/msg00396.html

• [PATCH v3 00/37] crypto: Provide aes-round.h and host accel, https://lists.gnu.org/archive/html/qemu-riscv/2023-06/msg00427.html

• [PATCH] target/riscv/cpu.c: fix veyron-v1 CPU properties, https://lists.gnu.org/archive/html/qemu-riscv/2023-06/msg00464.html

• [PATCH qemu v2] change the fdt_load_addr variable datatype to handle 64-bit DRAM address, https://lists.gnu.org/archive/html/qemu-riscv/2023-06/msg00466.html

RISC-V in China

• RV双周报：RISC-V欧洲峰会成功举行，RV软件生态系统(RISE)启动(第60期-20230615)

RT-Thread 社区

• 风平浪静。招募志愿者小编。

TVM / AI Compilers

• 风平浪静。招募志愿者小编。

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：《双重冲击》

副标题: 大国博弈的未来与未来的世界经济

作者: 李晓

推荐： 小编1号

书比较新，去年3月份出版。内容不算深奥，道理讲得也比较明白。从美元体系的建立以及在各种全球金融和贸易制度的结构下，现在的世界是如何运转的、遇到了什么养的问题、有哪些可能的解决方法等，都给出了一个并不夸张或深奥的理解。

刚开始看可能有些觉得枯燥，不妨用速读模式视线跳跃的快速翻一遍。