Dimitar Dimitrov

Won't do. Carry is broken in all PRU core revisions - see https://github.com/dinuxbg/gnupru/wiki/Carry

Yes, GNU Simulator has been ported to PRU. I use it to run the GCC regression testsuite on the PRU backend. You can also use it for simulation - see...

For the time being I'm using crosstool-ng for releasing binaries (see commit d7169b4832d11d99c83d3264dd021d1d712d2188). It may still be worth to use containers in order to avoid canadian cross toolchain builds.