GNU Tools Weekly News Week 27 (March 1, 2026)

[GNU Tools weekly]

GNU Tools Weekly News Week 27 (March 1, 2026)

Release updates for GNU toolchain:
 * gcc 16.0 regression status
  * P1:                       21            -0
  * P1+P2+P3 total: 812           -11

General/big GNU toolchain news (including sourceware news):
 * Sourceware/OSUOSL upgraded buildbot CI and forgejo runner workflow server
   * https://inbox.sourceware.org/gcc/20260214002144.GN8940@gnu.wildebeest.org/T/#m07d26322c0052164a008b5215254a4444f6ee32b
 * Starting patch review wiki
  * https://gcc.gnu.org/wiki/StartingPatchReview

GCC easy issue to tackle of the week:
 * (len | N) == len is transformed to len & N != 0
  * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101650
  * Reach out to Andrew Pinski <andrew.pinski@oss.qualcomm.com> for
mentoring on this issue

* note about week 24 easy issue to tackle
 * patch submitted and reviewed (waiting for stage 1)
 * https://inbox.sourceware.org/gcc-patches/CALvbMcCX9CifimHfBM79dMmzPCOnrao4bhpNWEd=7fRq7OKE+w@mail.gmail.com/T/

GCC commits:
 * note most of the commits from now until the release are bug fixes
which have not been listed here normally
 * gccrs: 46 patch merge
 * Fortran: Shared-memory Coarrays
  * https://gcc.gnu.org/onlinedocs/gfortran/Shared-memory-Coarrays.html
 * aarch64: support SME without SVE enabled


GCC discussion:
 * [RFC] Builtins for C++26 integer atomic reductions
  * https://inbox.sourceware.org/gcc/ECACB51F-CEDC-4772-B311-464590D5F340@nvidia.com/T/#u
 * RFC (C only): [[gnu::allow_vla]] attribute to suppress -Wvla on a
single declaration
  * https://inbox.sourceware.org/gcc/e909b7db-e2ad-f974-8476-08064ffa6fef@hesbynett.no/T/#m5c80e7ba3866b0630db1a53bb5e09d1585f3aeac
 *

GCC bugzilla stats
 * 107 new issues filed
 * 79 issues closed

glibc commits:
 * AArch64: Single and Double precision hyperbolics, SVE and AdvSIMD
optimisations
 * AArch64: Vectorise SVE log/log2/log10 single and double precision
special cases.
 * AArch64: Single and Double precision entire exp family, SVE and
AdvSIMD optimisations
 * aarch64: Vectorise inverse hyperbolic special cases

glibc discussion:
 * Meeting Minutes - glibc Office Hours (glibc branch maintenance and
move to gitolite) - 2026-02-27
  * https://inbox.sourceware.org/libc-alpha/CA+=Sn1mWP+enPR7pEjqHSu91K-=tzSND4++pBeepF=TM+F0wkw@mail.gmail.com/T/

binutils/gdb commits:
 * gdb: implement "info proc environ"
 *

gdb discussion:
 *
binutils discussion:
 *