GNU Tools Weekly News Week 45 (July 5, 2026)

[GNU Tools weekly]

GNU Tools Weekly News Week 45 (July 5, 2026)

Release updates for GNU toolchain:
 * GCC 16.2.0 first week in August
  * https://inbox.sourceware.org/gcc/664sq11r-5665-71rs-9p94-9s6166660r68@fhfr.qr/
 *  glibc-2.44 release: Soft freeze
  * Hard freeze July 4th
  * https://inbox.sourceware.org/libc-alpha/5439103.jY9Djz4Zq0@noumea/

GNU toolchain conference reminders:
 * FOSSY 2026 toolchain track North America, Aug 6-9 (Vancouver, Canada)
  * https://gcc.gnu.org/wiki/fossy2026
  * schedule was posted https://2026.fossy.ca/schedule/
 * 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):
 * GCC AI Policy Working Group submitted a proposed policy to the SC (July 3rd)
  * https://gcc.gnu.org/wiki/working-group-ai-policy
 * Sourceware budget and funding 2026/2027 feedback review
  * https://inbox.sourceware.org/gcc/20260628215902.GB12192@gnu.wildebeest.org/
 * Sourceware infrastructure community updates for Q2 2026
  * https://inbox.sourceware.org/gcc/20260705010224.GN11278@gnu.wildebeest.org/T/#u
 * Rustc GCC backend report
  * https://blog.antoyo.xyz/rustc_codegen_gcc-progress-report-42
 * smtgcc mid-year update
  * https://inbox.sourceware.org/gcc/Pine.NEB.4.64.2607011339410.4763@gateway.kwa/
 * Talk by Avinal Kumar on glibc's charset/conversion subsystems:
"Lost in translation"
  * https://avinal.space/talks/devconf-2026/#/1

GCC easy issue to tackle of the week:
 * `MIN<nonnegative,a> >= 0` is not simplified into `a >= 0`
  * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126087
  * Reach out to Andrea Pinski <andrew.pinski@oss.qualcomm.com> for
mentoring on this issue.
 * Previous ones are listed on https://gcc.gnu.org/wiki/EasyIssuesOfTheWeek


GCC commits:
 * https://gcc.gnu.org/r17-1944 .. r17-2147  204 commits
 * Ada update (Thanks again Marc):
  * https://gcc.gnu.org/r17-1956-gd54ca4e4da5db3 ... r17-1971-gb2029c82ff9174
  * Bug fixes.
  * Android support enhancement.
  * Flare OOP "Attribute Subprogram" first implementation.
  * Diagnostic messages improvements.
 * Match: Support unsigned scalar SAT_MUL form 14
  * https://gcc.gnu.org/r17-1946-g95540e74f33dad
 * aarch64: Fix tls debuginfo missing location info
  * https://gcc.gnu.org/r17-2093-g97d9016b230cca
 * libstdc++: implement LWG3662 basic_string::append/assign(NTBS, pos,
n) suboptimal
  * https://gcc.gnu.org/r17-2095-g7084db3f6e1cc6
 * SH: Switch to LRA permanently
  * https://gcc.gnu.org/r17-2104-g75a75f22f3a33e
 * cdcde: fold memset with length in [0, 1] to conditional store
  * https://gcc.gnu.org/r17-2113-ga8072f31bc9000
 * c++: Implement C++29 P2953R5 - Adding restrictions to defaulted
assignment operator functions
  * https://gcc.gnu.org/r17-2127-gc1a7d0a2140563
 * recognize CLZ via isolated MSB DeBruijn lookup
  * https://gcc.gnu.org/r17-2131-ga20f4528f3ab84
 * aarch64: Port NEON intrinsics to pragma-based framework
  * https://gcc.gnu.org/r17-2018-gefbc7fbb70d875 ... r17-2023-gde97b51852881d
 * c++: Implement C++29 P3540R3 - #embed offset parameter
  * https://gcc.gnu.org/r17-1995-g1ec0c5428cf84e
 * RISC-V: Add basic spacemit-x100 and Spacemit-A100 core support
  * https://gcc.gnu.org/r17-1983-g8596c662854b86
  * https://gcc.gnu.org/r17-2012-ge71bc0f8d7f93c

GCC discussion:
 * [RFC] Turning off trapping-math for C and C++ front-ends by default
  * https://inbox.sourceware.org/gcc/CALvbMcA6P_q7WNm1KOopzxhzRJHFi9T9_STaCtZrm1ZA-0nNtQ@mail.gmail.com/

GCC bugzilla stats
 *  97 new issues filed
 *  65 issues closed

binutils/gdb commits:
 * RISC-V: Add Zvdota extension classes
  * https://sourceware.org/cgit/binutils-gdb/commit/?id=89d59bf712045252b527bdfb69c07b0a29db7007
 * RISC-V: Add Zvbdota extension support
  * https://sourceware.org/cgit/binutils-gdb/commit/?id=794f538c3e57e3f55a6224a7206fdb0ea7815a82

gdb discussion:
 *
binutils discussion:
 *

glibc commits:
 * Add system-wide tunables
  * https://www.phoronix.com/news/Glibc-System-Tunables
  * https://sourceware.org/cgit/glibc/log/?id=e24269f74b8cd37ce33652e752f8012c3bfcdadc&qt=range&q=e24269f74b8cd37ce33652e752f8012c3bfcdadc...fae194043a099d45c044c883467c934153ecc51f
  * https://inbox.sourceware.org/libc-alpha/cover.1782444639.git.dj@redhat.com/

glibc discussion:
 * x86-64 TCB layout dependency in Chrome, Firefox still not fixed
  * https://inbox.sourceware.org/libc-alpha/lhucxx5oo4n.fsf@oldenburg.str.redhat.com/
 * The libc-locales mailing list is going to be closed, please use libc-alpha
  * https://inbox.sourceware.org/libc-alpha/351127e3-0397-438c-8730-3ef35605bdb9@redhat.com/