On Mon, 10 Jul 2023 at 13:58, Sid Maxwell via Gcc-help <gcc-help@xxxxxxxxxxx> wrote: > > I'm exploring updating a compiler built against the GCC 4.3.0 codebase to > (likely) GCC 12.3. Is there any documentation regarding API changes > between these versions affecting the machine description (.md) and other > machine-specific code? These are probably a good place to start: https://gcc.gnu.org/gcc-4.4/changes.html ... https://gcc.gnu.org/gcc-4.9/changes.html https://gcc.gnu.org/gcc-5/changes.html ... https://gcc.gnu.org/gcc-12/changes.html
