|Bill Allombert on Fri, 05 Nov 2004 17:07:31 +0100|
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|Re: asm inline hppa level0 kernel|
On Mon, Nov 01, 2004 at 12:17:02AM +0100, Bill Allombert wrote: > The attached patch implement a hppa64 inline asm kernel (to use with > --kernel=hppa64). However I use 4 32x32->64 multiplies (using the > naive formula). It can be possible to reach 3 using the classical > formula x1*y2+x2*y2=(x1+x2)*(y1+y2)-x1*y1-x2*y2, but we have to > take care that the addition (x1+x2) and (y1+y2) might overflow 32bit. Well I have commited that patch and add support for hppa64 to Configure. Cheers, Bill.