From: Zack Weinberg <zack@codesourcery.com>
To: law@redhat.com
Cc: Fergus Henderson <fjh@cs.mu.oz.au>, gcc@gcc.gnu.org
Subject: Re: The bloat sweepstakes...
Date: Mon, 22 Oct 2001 00:39:00 -0000 [thread overview]
Message-ID: <20011022003928.E3425@codesourcery.com> (raw)
In-Reply-To: <2285.1003367312@localhost.localdomain>
On Wed, Oct 17, 2001 at 07:08:32PM -0600, law@redhat.com wrote:
> In message < 20011010150953.U9432@codesourcery.com >you write:
> > I think costs never get higher than 10 or so;
> They certainly do get higher than 10. Also remember that costs accumulate
> across the uses of a register. Making them an unsigned character probably
> is not a wise idea.
The arrays that are taking up lots of space are the ones in regclass.c
(move_cost, may_move_in_cost, may_move_out_cost), and it looks to me
like they don't ever get very high. In fact, 65536 is being used in
regclass as infinity, suggesting that it would at least be safe to
make them short.
zw
next prev parent reply other threads:[~2001-10-22 0:39 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-07 10:25 Zack Weinberg
2001-10-07 10:44 ` guerby
2001-10-07 11:26 ` Zack Weinberg
2001-10-07 11:44 ` guerby
2001-10-07 12:43 ` Zack Weinberg
2001-10-07 14:42 ` guerby
2001-10-09 23:24 ` Fergus Henderson
2001-10-10 15:09 ` Zack Weinberg
2001-10-10 23:03 ` Fergus Henderson
2001-10-10 23:46 ` Zack Weinberg
2001-10-19 9:43 ` law
2001-10-22 0:39 ` Zack Weinberg [this message]
2001-10-22 8:28 ` law
2001-10-22 15:01 ` Richard Henderson
2001-10-07 15:16 dewar
2001-10-08 9:59 ` Zack Weinberg
2001-10-07 15:21 dewar
2001-10-07 15:24 dewar
2001-10-08 10:01 dewar
2001-10-08 10:03 dewar
2001-10-08 10:07 dewar
2001-10-08 11:04 ` Zack Weinberg
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