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Message-ID: <403111FF.3040700@gnu.org>
Date: Mon, 16 Feb 2004 18:55:00 -0000
From: Andrew Cagney <cagney@gnu.org>
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To: Andreas Schwab <schwab@suse.de>
Cc: gdb-patches@sources.redhat.com
Subject: Re: [patch/rfc] v2 bigcore.exp
References: <402D0438.6010203@gnu.org> <jesmhe66x3.fsf@sykes.suse.de>
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> Andrew Cagney <cagney@gnu.org> writes:
> 
> 
>> +  /* Compute an initial chunk size.  The math is dodgy but it works
>> +     for the moment.  Perhaphs there's a constant around somewhere.  */
>> +  {
>> +    size_t tmp;
>> +    for (tmp = 1; tmp > 0; tmp <<= 1)
>> +      max_chunk_size = tmp;
> 
> 
> max_chunk_size = ~((size_t) -1 >> 1);

What's to stop the right shift smearing the sign bit?

(I've just checked in the current test, we can fix this once we know a 
better equation).

Andrew