Using library calls will force you to do a lot of push/pop/register shuffling and the performance will be poor. That being said if you are moving form a VFP soc to a non VFP soc you may not have an L2 cache either in which case performance is going to be low anyway.
HTH, Rodolph. On 5 August 2013 11:21, Ben Noordhuis <[email protected]> wrote: > On Mon, Aug 5, 2013 at 12:07 PM, Rodolph Perfetta > <[email protected]> wrote: > > The question is does v8 work when there is no hardware floating point > > present and the answer is no. > > > > softfp is the name of the abi which assumes hardware floating point but > uses > > integer result for function call. > > > > Nowadays a lot of software on ARM (all the ubuntu packages for example) > are > > compile for hardware floating point. > > Oh, I guess you're right - I think I misread VFP as VFP3 in the OP's post. > > @OP: softfloat (as opposed to softfp) is not supported. In theory, > it'd be possible for V8 to emit library calls rather than VFP > instructions but in practice it doesn't. Making it softfloat > compatible would be a fair amount of work, I think. > > -- > -- > v8-users mailing list > [email protected] > http://groups.google.com/group/v8-users > --- > You received this message because you are subscribed to the Google Groups > "v8-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- v8-users mailing list [email protected] http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
