https://www.reddit.com/r/Amd/comments/5x4hxu/we_are_amd_creators_of_athlon_r...
behind the scenes i've asked /u/AMD_James if AMD would like to be part of a collaboration to put a commercially-viable multi-core 64-bit RISC-V processor together, with a view *later* to AMD copying the trick that was used in the Loongson: https://en.wikipedia.org/wiki/Loongson#Hardware-assisted_x86_emulation
l.