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From: "ian at airs dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/10050] ifcvt is not smart enough
Date: Sun, 15 Jan 2006 05:28:00 -0000 [thread overview]
Message-ID: <20060115052819.27105.qmail@sourceware.org> (raw)
In-Reply-To: <bug-10050-5562@http.gcc.gnu.org/bugzilla/>
------- Comment #8 from ian at airs dot com 2006-01-15 05:28 -------
My patch doesn't help for func2, at least on x86, because at the RTL level we
see stores to memory, and my patch doesn't attempt to handle that because of
all the aliasing issues between the then-block and the else-block.
It could be done easily enough with a similar patch, one which checked for a
conditional which only had a then-block or only had an else-block.
--
ian at airs dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ian at airs dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=10050
next prev parent reply other threads:[~2006-01-15 5:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-10050-5562@http.gcc.gnu.org/bugzilla/>
2005-12-07 4:14 ` pinskia at gcc dot gnu dot org
2006-01-15 3:15 ` pinskia at gcc dot gnu dot org
2006-01-15 3:53 ` pinskia at gcc dot gnu dot org
2006-01-15 5:28 ` ian at airs dot com [this message]
2006-01-15 6:27 ` ian at airs dot com
[not found] <bug-10050-4@http.gcc.gnu.org/bugzilla/>
2012-02-07 21:05 ` pinskia at gcc dot gnu.org
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