“64-bit PowerPC hardware boots in big-endian mode and then for powerpc64le it switches to little-endian mode. Therefore we need a compiler which can generate both big-endian and little-endian binaries for the bootloader […]” 😯
https://git.savannah.gnu.org/cgit/guix.git/commit/?id=4ee2a660e5f1362d3a72dcdc62ba8ff5612949da
@efraim knows the nitty-gritty details of alternative architectures.