long long long

[Toon Moene]

Mike Stump wrote:

> > Date: Sat, 23 Sep 2000 10:12:17 +1100
> > From: Tim Josling <tej@melbpc.org.au>

> > My COBOL compiler will need a 128 bit data type to support 31 digit
> > decimal arithmetic which is required in the new cobol standard. A
> > couple of questions: is it technically feasible to support this in
> > GCC, similar to the way long long (64 bit) is supported?

> Unelss your machine has the actual instructions, or your code is
> exceedingly tiny to not blow out a cache, I do wonder if there would
> be much of a speed difference in using a traditional C library for
> such things.  If there isn't, why bother with builtin types?  Also, I
> thought most COBOL systems didn't bother with actual compilation, but
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> rather just targeted a cobol vm, and did it that way.  If you do it
> that way, the cost of using a more traditional approach would matter
> even less.

Ummmm, why do you think there's an EDITPC instruction on the VAX ?

[ Yes, I know, this has little to do with TImode support ]

-- 
Toon Moene - mailto:toon@moene.indiv.nluug.nl - phoneto: +31 346 214290
Saturnushof 14, 3738 XG  Maartensdijk, The Netherlands
GNU Fortran 77: http://gcc.gnu.org/onlinedocs/g77_news.html
GNU Fortran 95: http://g95.sourceforge.net/ (under construction)