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GCC on AMD64?

From: Andrew Haley <aph at redhat dot com>
To: <nick at os-soft dot com>
Cc: <gcc at gcc dot gnu dot org>
Date: Mon, 5 Apr 2004 11:16:43 +0100
Subject: GCC on AMD64?
References: <32847.157.89.73.99.1081101694.squirrel@www.os-soft.com>

nick@os-soft.com writes:
 > I have run into slight problems using GCC to develop operating systems code
 > for an AMD64 environment.  The problem results from not having the
 > appropriate code model for the architecture.  I am attempting to use more
 > than the first or last two gigs of address space.

This is fine: gcj supports AMD64 with a flat 64-bit model.

 > This of course, does not work.

It does.  Did you build the compiler with the approppriate options?
This should be "-target x86_64".

Andrew.

Follow-Ups:
- GCC on AMD64?
  - From: Andrew Haley

References:
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