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.