[klibc] Re: [BK PATCH] klibc for 2.5.62

H. Peter Anvin hpa@zytor.com
Mon, 24 Feb 2003 06:35:58 -0800

Richard Henderson wrote:
> On Sat, Feb 22, 2003 at 11:30:33PM -0800, H. Peter Anvin wrote:
>>"New BSD" is compatible with GPL, but copying GPL-only code into it would
>>change the license and isn't acceptable.  The exception, of course, is by
>>permission of the copyright holder for that particular code who can choose
>>to permit distribution under additional licenses.
> Talk to Linus.  He wrote that code.

I can do that.  I can also look at FreeBSD which has been my main source 
for raided code.

>>I think you exaggerate.  Really.  It's just a simple transposition of the
>>register numbers.
> I still think it's a Bad Idea.
> Plus I can't believe the generated code is nearly as good as
> hand-written.  I can see already that it doesn't have the s8addq
> trick for reducing the iteration count of the normalization 
> loop for 32-bit division.

That's almost certainly true (that the code is inferior.)  I just don't 
have the cycles to learn all the architectures Linux runs on to the 
appropriate level.