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From: "cck0011 at yahoo dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/47825] SSE bitwise operations on floats work -g, fail -O3
Date: Sun, 20 Feb 2011 18:57:00 -0000 [thread overview]
Message-ID: <bug-47825-4-s1M0fuxAnT@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-47825-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47825
--- Comment #4 from cck0011 at yahoo dot com 2011-02-20 18:22:46 UTC ---
(In reply to comment #3)
> Probably the same on maskarray. You should also try to update GCC to
> 4.3.5.
Hi Richard,
added to maskarray as well: no change in results. Adding option
-fno-strict-aliasing fixes it as well. I'm confused: since _mm_store_ps
explicitly copies into floatarray why is aliasing an issue?
thanks!
next prev parent reply other threads:[~2011-02-20 18:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-20 17:03 [Bug c/47825] New: " cck0011 at yahoo dot com
2011-02-20 17:36 ` [Bug c/47825] " rguenth at gcc dot gnu.org
2011-02-20 17:42 ` cck0011 at yahoo dot com
2011-02-20 18:08 ` rguenth at gcc dot gnu.org
2011-02-20 18:57 ` cck0011 at yahoo dot com [this message]
2011-02-21 10:44 ` [Bug target/47825] " rguenth at gcc dot gnu.org
2011-02-21 14:26 ` hjl.tools at gmail dot com
2011-02-22 1:53 ` cck0011 at yahoo dot com
2021-08-13 23:23 ` pinskia at gcc dot gnu.org
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