* [Bug rtl-optimization/48455] Huge code size regression for all ARM configurations
2011-04-05 8:43 [Bug rtl-optimization/48455] New: Huge code size regression for all ARM configurations rearnsha at gcc dot gnu.org
@ 2011-04-05 9:22 ` ebotcazou at gcc dot gnu.org
2011-04-05 11:21 ` [Bug rtl-optimization/48455] [4.7 Regression] " rguenth at gcc dot gnu.org
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From: ebotcazou at gcc dot gnu.org @ 2011-04-05 9:22 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48455
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ebotcazou at gcc dot
| |gnu.org
--- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-04-05 09:17:48 UTC ---
Probably related to PR rtl-opt/48434.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug rtl-optimization/48455] [4.7 Regression] Huge code size regression for all ARM configurations
2011-04-05 8:43 [Bug rtl-optimization/48455] New: Huge code size regression for all ARM configurations rearnsha at gcc dot gnu.org
2011-04-05 9:22 ` [Bug rtl-optimization/48455] " ebotcazou at gcc dot gnu.org
@ 2011-04-05 11:21 ` rguenth at gcc dot gnu.org
2011-04-05 18:00 ` steven at gcc dot gnu.org
` (8 subsequent siblings)
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From: rguenth at gcc dot gnu.org @ 2011-04-05 11:21 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48455
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.7.0
Summary|Huge code size regression |[4.7 Regression] Huge code
|for all ARM configurations |size regression for all ARM
| |configurations
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug rtl-optimization/48455] [4.7 Regression] Huge code size regression for all ARM configurations
2011-04-05 8:43 [Bug rtl-optimization/48455] New: Huge code size regression for all ARM configurations rearnsha at gcc dot gnu.org
2011-04-05 9:22 ` [Bug rtl-optimization/48455] " ebotcazou at gcc dot gnu.org
2011-04-05 11:21 ` [Bug rtl-optimization/48455] [4.7 Regression] " rguenth at gcc dot gnu.org
@ 2011-04-05 18:00 ` steven at gcc dot gnu.org
2011-04-06 16:58 ` vmakarov at redhat dot com
` (7 subsequent siblings)
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From: steven at gcc dot gnu.org @ 2011-04-05 18:00 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48455
Steven Bosscher <steven at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |steven at gcc dot gnu.org
--- Comment #2 from Steven Bosscher <steven at gcc dot gnu.org> 2011-04-05 18:00:12 UTC ---
Do you have compiler options for a particularly bad configuration?
Which benchmark files grow the most?
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug rtl-optimization/48455] [4.7 Regression] Huge code size regression for all ARM configurations
2011-04-05 8:43 [Bug rtl-optimization/48455] New: Huge code size regression for all ARM configurations rearnsha at gcc dot gnu.org
` (2 preceding siblings ...)
2011-04-05 18:00 ` steven at gcc dot gnu.org
@ 2011-04-06 16:58 ` vmakarov at redhat dot com
2011-04-06 20:46 ` ramana at gcc dot gnu.org
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From: vmakarov at redhat dot com @ 2011-04-06 16:58 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48455
Vladimir Makarov <vmakarov at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |vmakarov at redhat dot com
--- Comment #3 from Vladimir Makarov <vmakarov at redhat dot com> 2011-04-06 16:58:02 UTC ---
That is a huge degradation. I am going to work on it.
Could you provide me a small test? I can not even download CSiBE. Something
wrong with their web-server.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug rtl-optimization/48455] [4.7 Regression] Huge code size regression for all ARM configurations
2011-04-05 8:43 [Bug rtl-optimization/48455] New: Huge code size regression for all ARM configurations rearnsha at gcc dot gnu.org
` (3 preceding siblings ...)
2011-04-06 16:58 ` vmakarov at redhat dot com
@ 2011-04-06 20:46 ` ramana at gcc dot gnu.org
2011-04-07 16:00 ` rearnsha at gcc dot gnu.org
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From: ramana at gcc dot gnu.org @ 2011-04-06 20:46 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48455
Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011.04.06 20:46:33
CC| |ramana at gcc dot gnu.org
Ever Confirmed|0 |1
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug rtl-optimization/48455] [4.7 Regression] Huge code size regression for all ARM configurations
2011-04-05 8:43 [Bug rtl-optimization/48455] New: Huge code size regression for all ARM configurations rearnsha at gcc dot gnu.org
` (4 preceding siblings ...)
2011-04-06 20:46 ` ramana at gcc dot gnu.org
@ 2011-04-07 16:00 ` rearnsha at gcc dot gnu.org
2011-04-08 13:02 ` rearnsha at gcc dot gnu.org
` (4 subsequent siblings)
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From: rearnsha at gcc dot gnu.org @ 2011-04-07 16:00 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48455
--- Comment #4 from Richard Earnshaw <rearnsha at gcc dot gnu.org> 2011-04-07 16:00:04 UTC ---
Created attachment 23914
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23914
first testcase
Compile with -Os -mcpu=arm7tdmi -marm -fno-short-enums -fno-builtin
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug rtl-optimization/48455] [4.7 Regression] Huge code size regression for all ARM configurations
2011-04-05 8:43 [Bug rtl-optimization/48455] New: Huge code size regression for all ARM configurations rearnsha at gcc dot gnu.org
` (5 preceding siblings ...)
2011-04-07 16:00 ` rearnsha at gcc dot gnu.org
@ 2011-04-08 13:02 ` rearnsha at gcc dot gnu.org
2011-04-13 15:22 ` vmakarov at redhat dot com
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From: rearnsha at gcc dot gnu.org @ 2011-04-08 13:02 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48455
--- Comment #5 from Richard Earnshaw <rearnsha at gcc dot gnu.org> 2011-04-08 13:01:41 UTC ---
Created attachment 23928
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23928
second testcase
Compile with -Os -mcpu=arm7tdmi -marm -fno-short-enums
Note, it looks like a common problem in compiling this file is that the
compiler has created a CSE of SP+const which now needs another call-saved reg,
rather than re-materializing the value on each use.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug rtl-optimization/48455] [4.7 Regression] Huge code size regression for all ARM configurations
2011-04-05 8:43 [Bug rtl-optimization/48455] New: Huge code size regression for all ARM configurations rearnsha at gcc dot gnu.org
` (6 preceding siblings ...)
2011-04-08 13:02 ` rearnsha at gcc dot gnu.org
@ 2011-04-13 15:22 ` vmakarov at redhat dot com
2011-04-13 18:27 ` vmakarov at gcc dot gnu.org
` (2 subsequent siblings)
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From: vmakarov at redhat dot com @ 2011-04-13 15:22 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48455
--- Comment #6 from Vladimir Makarov <vmakarov at redhat dot com> 2011-04-13 15:21:23 UTC ---
I found one problem with reg equivalences. They were just ignored. It is a
result of bad merging the big IRA patch and changes in IRA for last half year.
I found the problem solution improves the code size (at least for -O2). I'll
send the patch today.
But I guess it does not solve all the code size degradation. Therefore I
continue my work on the PR.
Thanks for the small tests, Richard. It saved a lot of my time.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug rtl-optimization/48455] [4.7 Regression] Huge code size regression for all ARM configurations
2011-04-05 8:43 [Bug rtl-optimization/48455] New: Huge code size regression for all ARM configurations rearnsha at gcc dot gnu.org
` (7 preceding siblings ...)
2011-04-13 15:22 ` vmakarov at redhat dot com
@ 2011-04-13 18:27 ` vmakarov at gcc dot gnu.org
2011-08-02 13:58 ` rguenth at gcc dot gnu.org
2011-11-23 19:00 ` vmakarov at gcc dot gnu.org
10 siblings, 0 replies; 12+ messages in thread
From: vmakarov at gcc dot gnu.org @ 2011-04-13 18:27 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48455
--- Comment #7 from Vladimir Makarov <vmakarov at gcc dot gnu.org> 2011-04-13 18:26:55 UTC ---
Author: vmakarov
Date: Wed Apr 13 18:26:52 2011
New Revision: 172389
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172389
Log:
2011-04-13 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/48455
* ira-costs.c (find_costs_and_classes): Use i_mem_cost instead of
`temp_costs->mem_cost'.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/ira-costs.c
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug rtl-optimization/48455] [4.7 Regression] Huge code size regression for all ARM configurations
2011-04-05 8:43 [Bug rtl-optimization/48455] New: Huge code size regression for all ARM configurations rearnsha at gcc dot gnu.org
` (8 preceding siblings ...)
2011-04-13 18:27 ` vmakarov at gcc dot gnu.org
@ 2011-08-02 13:58 ` rguenth at gcc dot gnu.org
2011-11-23 19:00 ` vmakarov at gcc dot gnu.org
10 siblings, 0 replies; 12+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-08-02 13:58 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48455
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #8 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-08-02 13:56:55 UTC ---
Fixed I suppose.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug rtl-optimization/48455] [4.7 Regression] Huge code size regression for all ARM configurations
2011-04-05 8:43 [Bug rtl-optimization/48455] New: Huge code size regression for all ARM configurations rearnsha at gcc dot gnu.org
` (9 preceding siblings ...)
2011-08-02 13:58 ` rguenth at gcc dot gnu.org
@ 2011-11-23 19:00 ` vmakarov at gcc dot gnu.org
10 siblings, 0 replies; 12+ messages in thread
From: vmakarov at gcc dot gnu.org @ 2011-11-23 19:00 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48455
--- Comment #9 from Vladimir Makarov <vmakarov at gcc dot gnu.org> 2011-11-23 18:51:21 UTC ---
Author: vmakarov
Date: Wed Nov 23 18:51:17 2011
New Revision: 181675
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181675
Log:
2011-11-23 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/48455
* doc/invoke.texi (-fira-region): Document default values.
* flags-types.h (enum ira_region): Add new value
IRA_REGION_AUTODETECT.
* common.opt (fira-region): Set up initial value to
IRA_REGION_AUTODETECT.
* toplev.c (process_options): Set up flag_ira_region depending on
-O options.
* ira.c (ira.c): Remove optimize guard for ira_build.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/common.opt
trunk/gcc/doc/invoke.texi
trunk/gcc/flag-types.h
trunk/gcc/ira.c
trunk/gcc/toplev.c
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