GNU Tools Weekly News Week 56 (September 20, 2026) Sorry I am a few days late.
Release updates for GNU toolchain: * GDB 18.1.0 update * https://inbox.sourceware.org/gdb-patches/[email protected] * Release is this Friday! GNU toolchain conference reminders: * GNU Tools Cauldron 2026, Fri-Sun, October 2-4 (Prague, Czechia) * https://gcc.gnu.org/wiki/cauldron2026 * https://conf.gnu-tools-cauldron.org/prg26/cfp * Toolchains Track at LPC 2026, October 7th (Prague, Czechia) * https://lpc.events/event/20/abstracts/ General/big GNU toolchain news (including sourceware news): * Syncing Rust GCC ["JIT"] backend or how to test Murphy's law * https://blog.guillaume-gomez.fr/articles/2026-09-22+Syncing+Rust+GCC+backend+or+how+to+test+Murphy%27s+law * Meeting minutes - Office Hours for the GNU Toolchain - 2026-09-17 * https://inbox.sourceware.org/gcc/[email protected]/ * https://gcc.gnu.org/wiki/OfficeHours * GCC easy issue to tackle of the week: * `(a&-a) < 0` -> `a == INT_MIN` * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126627 * Reach out to Andrea Pinski <[email protected]> for mentoring on this issue. * Previous ones are listed on https://gcc.gnu.org/wiki/EasyIssuesOfTheWeek GCC commits: * https://gcc.gnu.org/r17-4212 ... r17-4502 - 291 commits * Improve saturated unsigned add detection * https://gcc.gnu.org/r17-4218 https://gcc.gnu.org/r17-4219 * gccrs sync * https://gcc.gnu.org/r17-4278 ... https://gcc.gnu.org/r17-4360 * Improve some code in std::vector::push_back * https://gcc.gnu.org/r17-4377-ge548eb628c689e https://gcc.gnu.org/r17-4378-gedb9556068ae47 * contrib, libcpp, libstdc++: Update to Unicode 18.0.0 * https://gcc.gnu.org/r17-4409-g20a1e5b5c5addc * aarch64: Add support for FEAT_CMH atomic {store,load} intrinsics * https://gcc.gnu.org/r17-4448-gd5a076158aa3da https://gcc.gnu.org/r17-4449-g4015b65b038bea * phiopt: Better pre-vect heurstics for factoring out loads * https://gcc.gnu.org/r17-4456-gb1dcde565577e8 * cselim: cond_if_else_store_replacement_limited support skipping on store one either side * https://gcc.gnu.org/r17-4469-ge35b8dad030bc4 GCC discussion: * GCC bugzilla stats * 140 new issues filed * 55 issues closed binutils/gdb commits: * RISC-V: Add Zama16b extension support * https://sourceware.org/cgit/binutils-gdb/commit/?id=59db9002142a655b4d5e4af7cbf0605aaddefc7e * RISC-V: Add support for ziccamoc extension. * https://sourceware.org/cgit/binutils-gdb/commit/?id=cd2166234b9e6569b1cf8a4169e58f487996c447 gdb discussion: * binutils discussion: * glibc commits: * aarch64: Add MTE mode tunable * https://sourceware.org/cgit/glibc/commit/?id=8f6dfd399a97c77ea6855a5eb28a6babb81ec31c * math: Update tanh from CORE-MATH * https://sourceware.org/cgit/glibc/commit/?id=1c8c9998d803897d5765fab8c68ad9b0db6f7444 * malloc: Improve calloc * https://sourceware.org/cgit/glibc/commit/?id=4b4de574ad95ffbee25b4aed3891275fd769ff3c * glibc discussion: * glibc buildbot status * https://inbox.sourceware.org/libc-alpha/[email protected]/
