From: Richard Henderson <rth@cygnus.com>
To: Kamil Iskra <kiskra@ernie.icslab.agh.edu.pl>
Cc: egcs@cygnus.com
Subject: Re: Loop optimizer misses simple optimisation?
Date: Tue, 28 Apr 1998 19:14:00 -0000 [thread overview]
Message-ID: <19980428160304.47295@dot.cygnus.com> (raw)
In-Reply-To: <Pine.GSO.3.95.980428154521.25424H-100000@ernie>
On Tue, Apr 28, 1998 at 03:53:55PM +0200, Kamil Iskra wrote:
> In a debate on comp.sys.amiga.programmer, a debate that I would sum up as
> "Does GCC really optimize so well as some people claim?" I came across a
> relatively simple source where GCC indeed does perform rather poorly:
I havn't checked, but that is the kind of thing I was trying to address
with some loop optimizations back in January. You might try
http://www.cygnus.com/ml/egcs/1998-Jan/0796.html
and see if it improves things.
r~
next prev parent reply other threads:[~1998-04-28 19:14 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-04-28 7:23 Kamil Iskra
1998-04-28 19:14 ` Richard Henderson [this message]
1998-04-29 14:48 ` PÃ¥l-Kristian Engstad
1998-04-29 16:08 ` Richard Henderson
1998-04-28 19:49 ` Michael Meissner
1998-04-29 15:21 ` Jim Wilson
1998-05-02 6:13 ` Kamil Iskra
1998-05-03 14:15 ` Jeffrey A Law
1998-05-03 15:32 ` Jim Wilson
1998-05-03 20:10 ` Jeffrey A Law
1998-05-06 7:42 ` Was: " John Vickers
1998-05-06 9:19 ` Jeffrey A Law
1998-05-06 11:36 ` Joern Rennecke
1998-05-07 5:15 ` John Vickers
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