On Wed, May 20, 2026 at 4:37 AM John Paul Adrian Glaubitz <[email protected]> wrote: > > On Mon, 2026-05-18 at 15:03 +0200, John Paul Adrian Glaubitz wrote: > > I have used Google Gemini Code Assist now [1] in order to create a patch to > > add support for 32-bit > > relocations to the LLVM M68k backend. This time, the code makes use of the > > full capabilities of > > 68020+ CPUs and does not the inefficient four-instruction method to > > implement 32-bit accesses. > > > > I'm hesitant to send this in for review as this was basically written by > > Gemini under my supervision > > with a lot of testing of build tests. > > I was eventually able to build cargo for m68k-unknown-linux-gnu: > > (unstable-amd64-sbuild)glaubitz@esk:~/rust/build$ file > ./x86_64-unknown-linux-gnu/stage2-tools/m68k-unknown-linux-gnu/release/cargo > ./x86_64-unknown-linux-gnu/stage2-tools/m68k-unknown-linux-gnu/release/cargo: > ELF 32-bit MSB pie executable, Motorola m68k, 68020, version 1 (SYSV), > dynamically linked, interpreter /lib/ld.so.1, > BuildID[sha1]=7e5bf08930f87b9eaee173cf163b067f620cb841, for GNU/Linux 3.2.0, > not stripped > (unstable-amd64-sbuild)glaubitz@esk:~/rust/build$ > > The binary runs on m68k but there is no output, unfortunately. Needs more > debugging.
Congratulations! I'm still not convinced Rust can take over the world. It has too many poorly supported architectures and platforms, including m68k. Confer, <https://doc.rust-lang.org/nightly/rustc/platform-support.html>. Jeff
