> Emulating standard Book-E/PowerISA FPU on e500v2 might be hard (or impossible > even?) as this is not simply about missing instructions here but about instruction > overlappings, i.e. same instructions doing different things on different cores. This > seems similar to m68k vs. ColdFire. For an exhaustive and detailed comparison of > the programming models of e500v2 vs. e600, refer to: > http://www.freescale.com/files/32bit/doc/app_note/AN3531.pdf > Btw, even the (ex-)maintainer of Debian for PowerPCSPE calls it a "braindead FPU > design": > http://lists.debian.org/debian-powerpc/2012/05/msg00025.html
