Re: NetBSD on SH-4A

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Valeriy E. Ushakov wrote:
> On Tue, Jun 16, 2009 at 13:10:51 +0900, Masao Uebayashi wrote:
>
>   
>>> Look at how other arches do it and do the same for SH-4 FPU.  FPU
>>> autodetection would be nice, but compile-time kernel option could do
>>> for now.  Shouldn't be hard, but I never got around to it as real life
>>> keep interfering.  If you could work on it and contribute the code
>>> back, that would be very helpful (we don't have much NetBSD/sh3
>>> developers).
>>>       
>> OpenBSD already has the code.
>>     
>
> Yes.  It's not lazy.  But if gcc uses FPU aggressively for integer
> code it might make sense to be eager.
>   
This is exactly why gcc shouldn't use the FPU for integer division.  And 
is what Linux.2.6.29 and gcc-4.3.3 do for SH-4A today.

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