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From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/15792] missed subreg optimization
Date: Fri, 20 Jan 2006 15:52:00 -0000	[thread overview]
Message-ID: <20060120155256.17134.qmail@sourceware.org> (raw)
In-Reply-To: <bug-15792-6528@http.gcc.gnu.org/bugzilla/>



------- Comment #5 from pinskia at gcc dot gnu dot org  2006-01-20 15:52 -------
(In reply to comment #4)
> I'm going to experiment with moving where the subreg lowering code occurs and
> moving up the splitting into subregs and see if I can get the desired results. 
> I'm pretty new to GCC, so if any of the above seems like I'm off in the weeds
> then please let me know.

This seems right but the other issue is that register allocator allocates DI as
two consecutive register as one (that might be only part of the cause).


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tony dot linthicum at amd
                   |                            |dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15792


  parent reply	other threads:[~2006-01-20 15:52 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-15792-6528@http.gcc.gnu.org/bugzilla/>
2006-01-18  4:45 ` pinskia at gcc dot gnu dot org
2006-01-20 15:48 ` tony dot linthicum at amd dot com
2006-01-20 15:52 ` pinskia at gcc dot gnu dot org [this message]
2006-02-02 18:18 ` ian at airs dot com
2006-02-06 17:13 ` tony dot linthicum at amd dot com
2006-02-07  0:30 ` ian at airs dot com
2006-02-07  8:23 ` ian at airs dot com
2007-11-10  0:15 ` rask at gcc dot gnu dot org
     [not found] <bug-15792-4@http.gcc.gnu.org/bugzilla/>
2021-10-15  3:00 ` gabravier at gmail dot com
2023-05-15  5:34 ` pinskia at gcc dot gnu.org
2004-06-03  4:27 [Bug rtl-optimization/15792] New: " pinskia at gcc dot gnu dot org
2004-06-15 20:07 ` [Bug rtl-optimization/15792] " bangerth at dealii dot org
2004-08-20 18:47 ` dann at godzilla dot ics dot uci dot edu

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