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Date: Wed, 05 Oct 2011 20:34:00 -0000
From: "Frank Ch. Eigler" <fche@redhat.com>
To: Brian Mokrzycki <brian-mokrzycki@uiowa.edu>
Cc: cgen@sourceware.org
Subject: Re: 64-bit instruction mask emitting as signed hex value
Message-ID: <20111005203402.GA22623@redhat.com>
References: <857E14BA-89BB-47E3-8BC9-CC02F296787F@uiowa.edu>
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Hi -

On Mon, Oct 03, 2011 at 09:57:39PM -0500, Brian Mokrzycki wrote:
> [...]

Good hunting!

> Guile 1.6.8
> guile> (number->string 0xFFFFFFFFFFFFFFFF 16) 
> "ffffffffffffffff"
> 
> Guile 1.8.7
> guile> (number->string 0xFFFFFFFFFFFFFFFF 16)
> "-1"

In the case of guile 1.8.8 (fedora 15 x86_64),
and guile 1.8.0 (rhel5 i386),

guile> (number->string 18446744073709551615 16)
"ffffffffffffffff"

Maybe something's wrong just with your build of guile somehow.

- FChE