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From: "steven at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/29953] [SH-4] Perfomance regression in loops. cmp/eq used instead of dt
Date: Tue, 03 Apr 2007 15:34:00 -0000	[thread overview]
Message-ID: <20070403153417.23824.qmail@sourceware.org> (raw)
In-Reply-To: <bug-29953-12348@http.gcc.gnu.org/bugzilla/>



------- Comment #5 from steven at gcc dot gnu dot org  2007-04-03 16:34 -------
Re. comment #4:

Answer: Go ahead and implement it in loop.c.
If you want to fix it only for GCC 4.1, that is.  There is no loop.c in GCC 4.2
and later.

So does it make sense?  Depends on what you want to achieve.


-- 

steven at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2007-04-03 16:34:17
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29953


  parent reply	other threads:[~2007-04-03 15:34 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-11-23 10:14 [Bug target/29953] New: " nbkolchin at gmail dot com
2006-11-23 10:15 ` [Bug target/29953] " nbkolchin at gmail dot com
2007-03-28 10:51 ` mano at roarinelk dot homelinux dot net
2007-04-03  6:43 ` christian dot bruel at st dot com
2007-04-03 14:30 ` christian dot bruel at st dot com
2007-04-03 15:34 ` steven at gcc dot gnu dot org [this message]
2007-05-15  9:31 ` chrbr at gcc dot gnu dot org
2007-06-08  7:59 ` chrbr at gcc dot gnu dot org
2007-06-08  8:18 ` chrbr at gcc dot gnu dot org

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