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From: "luisgpm at linux dot vnet dot ibm dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/40029] [4.5 Regression] Big degradation on swim/mgrid on powerpc 32/64 after alias improvement merge (gcc r145494)
Date: Fri, 29 May 2009 19:52:00 -0000 [thread overview]
Message-ID: <20090529195221.29909.qmail@sourceware.org> (raw)
In-Reply-To: <bug-40029-16550@http.gcc.gnu.org/bugzilla/>
------- Comment #5 from luisgpm at linux dot vnet dot ibm dot com 2009-05-29 19:52 -------
>From predictive commoning we gain a bit more performance, probably due to the
bigger unrolling factor.
Any chance of the unrolling taking place while still using PRE?
Thanks,
Luis
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40029
next prev parent reply other threads:[~2009-05-29 19:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-05 17:54 [Bug middle-end/40029] New: " luisgpm at linux dot vnet dot ibm dot com
2009-05-06 8:28 ` [Bug middle-end/40029] " rguenth at gcc dot gnu dot org
2009-05-11 18:04 ` luisgpm at linux dot vnet dot ibm dot com
2009-05-21 10:45 ` rguenth at gcc dot gnu dot org
2009-05-21 14:04 ` rguenth at gcc dot gnu dot org
2009-05-21 14:10 ` rguenth at gcc dot gnu dot org
2009-05-27 20:58 ` rguenth at gcc dot gnu dot org
2009-05-29 19:52 ` luisgpm at linux dot vnet dot ibm dot com [this message]
2009-05-29 20:15 ` rguenther at suse dot de
2009-11-30 13:11 ` rguenth at gcc dot gnu dot org
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