Re: Emulating a 64-bit long with only 32 bits: code anyone?

marcov@toad.stack.nl (Marco van de Voort)
31 May 2001 02:44:59 -0400

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Related articles
Emulating a 64-bit long with only 32 bits: code anyone? seanl@SPAM.jifsan.IS.cs.EVIL.umd.edu (Sean Luke) (2001-05-30)
Re: Emulating a 64-bit long with only 32 bits: code anyone? marcov@toad.stack.nl (2001-05-31)
Re: Emulating a 64-bit long with only 32 bits: code anyone? gneuner@dyn.com (2001-05-31)
Re: Emulating a 64-bit long with only 32 bits: code anyone? joewhaley@hotmail.com (John Whaley) (2001-06-03)
Re: Emulating a 64-bit long with only 32 bits: code anyone? Timothy_S_Coffey@bankone.com (2001-06-07)
Re: Emulating a 64-bit long with only 32 bits: code anyone? benji@wohnheim.uni-ulm.de (Markus Ackermann) (2001-06-08)
Re: Emulating a 64-bit long with only 32 bits: code anyone? marcov@toad.stack.nl (2001-06-08)
Re: Emulating a 64-bit long with only 32 bits: code anyone? Klaus.Bergdolt@gmx.de (2001-06-10)
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From: marcov@toad.stack.nl (Marco van de Voort)
Newsgroups: comp.compilers
Date: 31 May 2001 02:44:59 -0400
Organization: Eindhoven University of Technology, The Netherlands
References: 01-05-087
Keywords: arithmetic
Posted-Date: 31 May 2001 02:44:59 EDT

Sean Luke wrote:


> I'm hoping that someone may know where you can find open source for
> code which manipulates 64-bit longs (multiply, divide, subtract,
> add, shift, bitwise and logical operations, etc.) using only 32 bits ...


Libgcc is stuffed from bottom till top with this kind of code. It is C
though, with some occasional assembler.




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