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Re: [lno] New array prefetching pass

From: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
To: Richard Henderson <rth at redhat dot com>, gcc-patches at gcc dot gnu dot org
Date: Thu, 1 Jul 2004 16:37:55 +0200
Subject: Re: [lno] New array prefetching pass
References: <20040701042349.GA15724@atrey.karlin.mff.cuni.cz> <20040701055701.GA30949@redhat.com>

Hello,

> On Thu, Jul 01, 2004 at 06:23:49AM +0200, Zdenek Dvorak wrote:
> > + /* Checks that X is integer constant that fits in unsigned HOST_WIDE_INT.
> > +    Similar to host_integerp (x, 1), but does not fail if the value is
> > +    negative.  */
> 
> Huh?  So is it unsigned or isn't it?

it does not matter; it should be true for values that can be precisely
expressed in the width of the HOST_WIDE_INT type, regardless of whether
they are unsigned or not (of course the function is wrong and does not
do exactly what I want :-; I will fix it soon).

Zdenek

References:
- [lno] New array prefetching pass
  - From: Zdenek Dvorak
- Re: [lno] New array prefetching pass
  - From: Richard Henderson

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