From: Torbjorn Granlund <t...@gmplib.org> Date: Sun, 06 Jan 2013 13:48:42 +0100
> Unfortunately, its submul_1 method will not work. I cannot see > how we can avoid an extra instruction for every limb. BTW I noticed the following while researching and working on this T4 stuff: http://download.intel.com/embedded/processor/whitepaper/327831.pdf Note that there are no subtract equivalents being added of these new add-with-carry instructions. I have also meanwhile spoken to some sparc chip folks and they made it clear that they consider having not added subxccc a mistake and a bug just like we do, and they will rectify this in a future cpu. Anyways, just FYI... _______________________________________________ gmp-devel mailing list gmp-devel@gmplib.org http://gmplib.org/mailman/listinfo/gmp-devel
