• Subject: Re: LONG, LONG math - aka 64bit math....
  • From: "Leif Svalgaard" <leif@xxxxxxxx>
  • Date: Wed, 4 Jul 2001 10:16:11 -0500

From: Don <dr2@cssas400.com>
> Dumb question:
> 
> I told that in effect we didn't have 64bit math ops on this machine until
> v4r5/v5r1.  This is to say that "long long" variables didn't exist until
> they finally wokeup and got serious about terabyte space and gave us 64bit
> math....   
> 
> Can anyone confirm this for me?

the machine has always had 2048-bit ADD/SUB instructions
(ADDLC/SUBLC).



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