Changes in compare-lto http://nxr.netbsd.org/rss/src/external/gpl3/gcc/dist/contrib/compare-lto en Copyright 2005 Java branches: 1.1.1;<br/>Initial revision /src/external/gpl3/gcc/dist/contrib/compare-lto - 1.1 Sat Sep 05 07:52:20 UTC 2020 mrg initial import of GCC 14.3.0.<br/><br/>major changes in GCC 13:<br/>- improved sanitizer<br/>- zstd debug info compression<br/>- LTO improvements<br/>- SARIF based diagnostic support<br/>- new warnings: -Wxor-used-as-pow, -Wenum-int-mismatch, -Wself-move,<br/> -Wdangling-reference<br/>- many new -Wanalyzer* specific warnings<br/>- enhanced warnings: -Wpessimizing-move, -Wredundant-move<br/>- new attributes to mark file descriptors, c++23 "assume"<br/>- several C23 features added<br/>- several C++23 features added<br/>- many new features for Arm, x86, RISC-V<br/><br/>major changes in GCC 14:<br/>- more strict C99 or newer support<br/>- ia64* marked deprecated (but seemingly still in GCC 15.)<br/>- several new hardening features<br/>- support for "hardbool", which can have user supplied values of true/false<br/>- explicit support for stack scrubbing upon function exit<br/>- better auto-vectorisation support<br/>- added clang-compatible __has_feature and __has_extension<br/>- more C23, including -std=c23<br/>- several C++26 features added<br/>- better diagnostics in C++ templates<br/>- new warnings: -Wnrvo, Welaborated-enum-base<br/>- many new features for Arm, x86, RISC-V<br/>- possible ABI breaking change for SPARC64 and small structures with arrays<br/> of floats. /src/external/gpl3/gcc/dist/contrib/compare-lto - 1.1.1.3 Sat Sep 13 23:45:57 UTC 2025 mrg initial import of GCC 10.3.0. main changes include:<br/><br/>caveats:<br/>- ABI issue between c++14 and c++17 fixed<br/>- profile mode is removed from libstdc++<br/>- -fno-common is now the default<br/><br/>new features:<br/>- new flags -fallocation-dce, -fprofile-partial-training,<br/> -fprofile-reproducible, -fprofile-prefix-path, and -fanalyzer<br/>- many new compile and link time optimisations<br/>- enhanced drive optimisations<br/>- openacc 2.6 support<br/>- openmp 5.0 features<br/>- new warnings: -Wstring-compare and -Wzero-length-bounds<br/>- extended warnings: -Warray-bounds, -Wformat-overflow,<br/> -Wrestrict, -Wreturn-local-addr, -Wstringop-overflow,<br/> -Warith-conversion, -Wmismatched-tags, and -Wredundant-tags<br/>- some likely C2X features implemented<br/>- more C++20 implemented<br/>- many new arm & intel CPUs known<br/><br/>hundreds of reported bugs are fixed. full list of changes<br/>can be found at:<br/><br/> https://gcc.gnu.org/gcc-10/changes.html /src/external/gpl3/gcc/dist/contrib/compare-lto - 1.1.1.2 Sat Apr 10 22:10:13 UTC 2021 mrg initial import of GCC 9.3.0. changes include:<br/><br/>- live patching support<br/>- shell completion help<br/>- generally better diagnostic output (less verbose/more useful)<br/>- diagnostics and optimisation choices can be emitted in json<br/>- asan memory usage reduction<br/>- many general, and specific to switch, inter-procedure,<br/> profile and link-time optimisations. from the release notes:<br/> "Overall compile time of Firefox 66 and LibreOffice 6.2.3 on<br/> an 8-core machine was reduced by about 5% compared to GCC 8.3"<br/>- OpenMP 5.0 support<br/>- better spell-guesser<br/>- partial experimental support for c2x and c++2a<br/>- c++17 is no longer experimental<br/>- arm AAPCS GCC 6-8 structure passing bug fixed, may cause<br/> incompatibility (restored compat with GCC 5 and earlier.)<br/>- openrisc support /src/external/gpl3/gcc/dist/contrib/compare-lto - 1.1.1.1 Sat Sep 05 07:52:20 UTC 2020 mrg