On Thu, May 5, 2011 at 3:50 PM, Jon Masters <jonathan@xxxxxxxxxxxxxx> wrote: > On Thu, 2011-05-05 at 08:23 +1200, Michael Hope wrote: > >> >> *). ARM VFP3 hardware floating point (h) >> >> *). ARM NEON Architecture >> >> *). Thumb2 interworking >> >> I don't think you have to anything explicit here. Thumb-2 and ARM >> code interoperate just fine. >> >> >> *). Your suggestion here? >> >> *) Hard float. Never worse than soft float, sometimes much better. > > Note that hard float is implied by VFPv3, and by the subject being > "armv7hl". The intention is to use the aapcs-vfp binding but the only > real debate is whether to use the D16/32 option. That comes down to > whether we want to focus on really great A15 plus or be more inclusive > of various minimal ARMv7 systems that are already out there today. Ah, thanks. > Perhaps we need a matrix of known capabilities in v7 hardware. I guess > that's another wiki page I should create, starting with my Beagle, Panda > and Efika systems, but a pointer to AC100 specs would be cool (I found > various reviews on it, and wow it's pricey compared to e.g. Efika) :) Have a look at: http://wiki.debian.org/ArmHardFloatPort/VfpComparison#FPU -- Michael _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm
