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Re: Large size array problem

From: Stepan Kasal
Subject: Re: Large size array problem
Date: Thu, 12 Jun 2003 08:53:29 +0200
User-agent: Mutt/

Hello Miklos,

On Wed, Jun 11, 2003 at 05:19:50PM +0200, Cserzo Miklos wrote:
> > Setting up full 64bit development environment might be painful.
> looks like a true 64 bit world. We managed to compile 64bit gawk and perl
> with gas and they are able to address large chunks of the memory - 14 Gig
> went OK. These tools may have their own trick to access the memory.

well, I'd guess that there is no trick: you are right that you have true
64bit world.

The next question is whether the Pascal is ready for 64 bits.

The asm you posted says:

        .local  I
        .common I,4,4
        .local  J
        .common J,4,4
        .local  N
        .common N,2399999996,4

My naive interpretation is that the integers are 4 bytes long, which means
32bit variables.  So it looks as if Pascal were thinking in 32bits.
Perhaps it also calls the gas for the 32bit target.

So I'd try to ensure that the Pascal generates "true 64bit asm."

Again, I don't understand the topic well, just guessing.
But I hope my comments will help in case noone posts any better answer.

Good luck,

PS: If you mail me what the problem was when you resolve it, I'd be glad.
I'm curious.

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