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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/28134] optimize redundant memset + assignment
Date: Sat, 24 Dec 2011 03:16:00 -0000 [thread overview]
Message-ID: <bug-28134-4-lEJMCXGPRr@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-28134-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28134
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011-12-24
Version|unknown |4.7.0
Ever Confirmed|0 |1
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-12-24 03:11:54 UTC ---
Confirmed:
<bb 2>:
memset (bp_2(D), 0, 24576);
<bb 3>:
# ivtmp.14_9 = PHI <ivtmp.14_20(3), 0(2)>
MEM[base: bp_2(D), index: ivtmp.14_9, offset: 16B] = 0B;
ivtmp.14_20 = ivtmp.14_9 + 24;
if (ivtmp.14_20 != 24576)
goto <bb 3>;
else
goto <bb 4>;
next parent reply other threads:[~2011-12-24 3:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-28134-4@http.gcc.gnu.org/bugzilla/>
2011-12-24 3:16 ` pinskia at gcc dot gnu.org [this message]
2022-01-28 23:44 ` pinskia at gcc dot gnu.org
2006-06-22 3:30 [Bug tree-optimization/28134] New: " raeburn at raeburn dot org
2006-06-22 4:16 ` [Bug tree-optimization/28134] " raeburn at raeburn dot org
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