GNU Tools Weekly News Week 54 (September 6, 2026) Release updates for GNU toolchain: * GDB 18.1.0 update * https://inbox.sourceware.org/gdb-patches/[email protected]/ * GCC 13.5.0 update * RC1 was published * https://inbox.sourceware.org/gcc/[email protected]/ * https://inbox.sourceware.org/gcc/[email protected]/ 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): * rustc_codegen_gcc: Progress Report #43 * https://blog.antoyo.xyz/rustc_codegen_gcc-progress-report-43 * Kito Cheng is now the RISCV binutils maintainer * https://sourceware.org/cgit/binutils-gdb/commit/?id=250c0280ba546e85315bafbc820c1b70242d8e6e GCC easy issue to tackle of the week: * (int)(((unsigned)a) + CST) should be simplified into a + CST if a+CST is known not to overflow in int * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126751 * 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/r17-3775 r17-3966 - 192 commits * forwprop: add simplify_phi_result_movdiv * https://gcc.gnu.org/r17-3791-g5b40e9d181bfe2 * match: Fold CPROJ when nested inside CPROJ or CABS * https://gcc.gnu.org/r17-3801-g0e0ddac529e215 * middle-end: add const fold for various crc builtins * https://gcc.gnu.org/r17-3816-g26238368615c0a * x86: ACEv1 support * https://gcc.gnu.org/r17-3847 https://gcc.gnu.org/r17-3848 https://gcc.gnu.org/r17-3849 * https://gcc.gnu.org/r17-3850 https://gcc.gnu.org/r17-3851 https://gcc.gnu.org/r17-3852 * https://gcc.gnu.org/r17-3853 * libcpp: Optimize Arm search_line_fast * https://gcc.gnu.org/r17-3868-gffc5227ac2e198 * RISC-V: Add MVENDORID, MARCHID and MIMPID for 6 RISC-V cores * https://gcc.gnu.org/r17-3882-gd3d6b2a1fba366 * RISC-V: Support -mtune=native and -mcpu=native * https://gcc.gnu.org/r17-3883-gbbc5005bf48212 * RISC-V: Add TImode and OImode move expanders. * https://gcc.gnu.org/r17-3906-ge096b2205f81b3 * match: Simplify MIN(A, B) eq/ne 0 to A when B is positive * https://gcc.gnu.org/r17-3779-g09fe63bb71e6b1 GCC discussion: * GCC bugzilla stats * 84 new issues filed * 63 issues closed binutils/gdb commits: * RISC-V: Add support for XAndes* extensions * https://sourceware.org/cgit/binutils-gdb/log/?id=ce6455998599d6a8af6f4aea8813392921e4e86c&qt=range&q=%0948c933a69a890e7769ca8a01570aab578b6a9f54...ce6455998599d6a8af6f4aea8813392921e4e86c * RISC-V: Add support for XXTVarith and XXTVcoder extensions * https://sourceware.org/cgit/binutils-gdb/commit/?id=f67471902997e528e789ed27f1bf930318052ecc * x86: support further AMD Zen6 instructions * https://sourceware.org/cgit/binutils-gdb/commit/?id=99f119ca28d9d38766dc08c880d421ce126ab48a gdb discussion: * binutils discussion: * glibc commits: * glibc discussion: *
