Re: [microblaze-uclinux] ucLinux with Microblaze 4.0

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi John,

John McGrath wrote:

> Just a question - the new version 4.0 supports a dedicated FPU for 
> microblaze. Does anyone know if uClinux will see any performance 
> improvement with this - My hunch is that there is little requirement for 
> an OS to use floating point - and most likely it's avoided at all costs 
> where possible, but does anyone know?

I'm not aware of any floating point in the kernel - I see a few 
(non-microblaze) drivers declaring float/double variables, but suspect 
this is generally frowned upon.

> I guess it will become evident once the 7.1 toolchain is up and running!

It will definitely be applications that benefit from the FPU..

Cheers,

John



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