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* [Bug rtl-optimization/44374] Hoist same instructions in different branches
[not found] <bug-44374-4@http.gcc.gnu.org/bugzilla/>
@ 2010-11-03 18:25 ` hjl.tools at gmail dot com
2010-12-14 0:23 ` bernds at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 8+ messages in thread
From: hjl.tools at gmail dot com @ 2010-11-03 18:25 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44374
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-03 18:25:22 UTC ---
Patch was reverted:
http://gcc.gnu.org/ml/gcc-cvs/2010-11/msg00145.html
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug rtl-optimization/44374] Hoist same instructions in different branches
[not found] <bug-44374-4@http.gcc.gnu.org/bugzilla/>
2010-11-03 18:25 ` [Bug rtl-optimization/44374] Hoist same instructions in different branches hjl.tools at gmail dot com
@ 2010-12-14 0:23 ` bernds at gcc dot gnu.org
2011-04-02 13:47 ` steven at gcc dot gnu.org
2011-04-02 13:51 ` bernds at gcc dot gnu.org
3 siblings, 0 replies; 8+ messages in thread
From: bernds at gcc dot gnu.org @ 2010-12-14 0:23 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44374
--- Comment #6 from Bernd Schmidt <bernds at gcc dot gnu.org> 2010-12-14 00:23:48 UTC ---
Author: bernds
Date: Tue Dec 14 00:23:40 2010
New Revision: 167779
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167779
Log:
gcc/
PR rtl-optimization/44374
Reapply patch with fixes.
* basic-block.h (enum bb_flags): Add BB_MODIFIED.
* df-core.c (df_set_bb_dirty): Set it.
* ifcvt.c (find_memory): Remove function.
(dead_or_predicable): Use can_move_insns_across.
* df.h (can_move_insns_across): Declare function.
* cfgcleanup.c (block_was_dirty): New static variable.
(flow_find_head_matching_sequence): Test for epilogue notes.
(try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
than df_get_bb_dirty.
(try_head_merge_bb): New static function.
(try_optimize_cfg): Call it. Call df_analyze if block_was_dirty
is set.
* df-problems.c: Include "target.h"
(df_simulate_find_uses): New static function.
(MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
(find_memory, find_memory_store): New static functions.
(can_move_insns_across): New function.
* Makefile.in (df-problems.o): Update dependencies.
gcc/testsuite/
PR rtl-optimization/44374
Reapply patch with fixes.
* gcc.target/arm/headmerge-1.c: New test.
* gcc.target/arm/headmerge-2.c: New test.
* gcc.target/i386/headmerge-1.c: New test.
* gcc.target/i386/headmerge-2.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/arm/headmerge-1.c
trunk/gcc/testsuite/gcc.target/arm/headmerge-2.c
trunk/gcc/testsuite/gcc.target/i386/headmerge-1.c
trunk/gcc/testsuite/gcc.target/i386/headmerge-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/Makefile.in
trunk/gcc/basic-block.h
trunk/gcc/cfgcleanup.c
trunk/gcc/df-core.c
trunk/gcc/df-problems.c
trunk/gcc/df.h
trunk/gcc/ifcvt.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug rtl-optimization/44374] Hoist same instructions in different branches
[not found] <bug-44374-4@http.gcc.gnu.org/bugzilla/>
2010-11-03 18:25 ` [Bug rtl-optimization/44374] Hoist same instructions in different branches hjl.tools at gmail dot com
2010-12-14 0:23 ` bernds at gcc dot gnu.org
@ 2011-04-02 13:47 ` steven at gcc dot gnu.org
2011-04-02 13:51 ` bernds at gcc dot gnu.org
3 siblings, 0 replies; 8+ messages in thread
From: steven at gcc dot gnu.org @ 2011-04-02 13:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44374
Steven Bosscher <steven at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |bernds at gcc dot gnu.org,
| |steven at gcc dot gnu.org
--- Comment #7 from Steven Bosscher <steven at gcc dot gnu.org> 2011-04-02 13:47:01 UTC ---
Is this now fixed, or are there reasons why the bug status is REOPENED?
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug rtl-optimization/44374] Hoist same instructions in different branches
[not found] <bug-44374-4@http.gcc.gnu.org/bugzilla/>
` (2 preceding siblings ...)
2011-04-02 13:47 ` steven at gcc dot gnu.org
@ 2011-04-02 13:51 ` bernds at gcc dot gnu.org
3 siblings, 0 replies; 8+ messages in thread
From: bernds at gcc dot gnu.org @ 2011-04-02 13:51 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44374
Bernd Schmidt <bernds at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution| |FIXED
--- Comment #8 from Bernd Schmidt <bernds at gcc dot gnu.org> 2011-04-02 13:51:21 UTC ---
Fixed again.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug rtl-optimization/44374] Hoist same instructions in different branches
2010-06-02 8:20 [Bug rtl-optimization/44374] New: " carrot at google dot com
` (2 preceding siblings ...)
2010-09-23 10:05 ` bernds at gcc dot gnu dot org
@ 2010-09-23 10:08 ` bernds at gcc dot gnu dot org
3 siblings, 0 replies; 8+ messages in thread
From: bernds at gcc dot gnu dot org @ 2010-09-23 10:08 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from bernds at gcc dot gnu dot org 2010-09-23 10:08 -------
Fixed.
--
bernds at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44374
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug rtl-optimization/44374] Hoist same instructions in different branches
2010-06-02 8:20 [Bug rtl-optimization/44374] New: " carrot at google dot com
2010-06-02 8:21 ` [Bug rtl-optimization/44374] " carrot at google dot com
2010-06-02 8:54 ` steven at gcc dot gnu dot org
@ 2010-09-23 10:05 ` bernds at gcc dot gnu dot org
2010-09-23 10:08 ` bernds at gcc dot gnu dot org
3 siblings, 0 replies; 8+ messages in thread
From: bernds at gcc dot gnu dot org @ 2010-09-23 10:05 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from bernds at gcc dot gnu dot org 2010-09-23 10:04 -------
Subject: Bug 44374
Author: bernds
Date: Thu Sep 23 10:04:33 2010
New Revision: 164552
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164552
Log:
PR rtl-optimization/44374
* basic-block.h (enum bb_flags): Add BB_MODIFIED.
* df-core.c (df_set_bb_dirty): Set it.
* ifcvt.c (find_memory): Remove function.
(dead_or_predicable): Use can_move_insns_across.
* df.h (can_move_insns_across): Declare function.
* cfgcleanup.c (block_was_dirty): New static variable.
(try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
than df_get_bb_dirty.
(try_head_merge_bb): New static function.
(try_optimize_cfg): Call it. Call df_analyze if block_was_dirty
is set.
* df-problems.c: Include "target.h"
(df_simulate_find_uses): New static function.
(MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
(find_memory, find_memory_store): New static functions.
(can_move_insns_across): New function.
* Makefile.in (df-problems.o): Update dependencies.
testsuite/
PR rtl-optimization/44374
* gcc.target/arm/headmerge-1.c: New test.
* gcc.target/arm/headmerge-2.c: New test.
* gcc.target/i386/headmerge-1.c: New test.
* gcc.target/i386/headmerge-2.c: New test.
Added:
trunk/gcc/config/i386/core2.md
trunk/gcc/testsuite/gcc.target/arm/headmerge-1.c
trunk/gcc/testsuite/gcc.target/arm/headmerge-2.c
trunk/gcc/testsuite/gcc.target/i386/headmerge-1.c
trunk/gcc/testsuite/gcc.target/i386/headmerge-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/Makefile.in
trunk/gcc/basic-block.h
trunk/gcc/cfgcleanup.c
trunk/gcc/df-core.c
trunk/gcc/df-problems.c
trunk/gcc/df.h
trunk/gcc/ifcvt.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44374
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug rtl-optimization/44374] Hoist same instructions in different branches
2010-06-02 8:20 [Bug rtl-optimization/44374] New: " carrot at google dot com
2010-06-02 8:21 ` [Bug rtl-optimization/44374] " carrot at google dot com
@ 2010-06-02 8:54 ` steven at gcc dot gnu dot org
2010-09-23 10:05 ` bernds at gcc dot gnu dot org
2010-09-23 10:08 ` bernds at gcc dot gnu dot org
3 siblings, 0 replies; 8+ messages in thread
From: steven at gcc dot gnu dot org @ 2010-06-02 8:54 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from steven at gcc dot gnu dot org 2010-06-02 08:54 -------
HOIST should do this. You will have to check in the RTL dumps that the code is
exposed properly to this optimization.
--
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 |2010-06-02 08:54:40
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44374
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug rtl-optimization/44374] Hoist same instructions in different branches
2010-06-02 8:20 [Bug rtl-optimization/44374] New: " carrot at google dot com
@ 2010-06-02 8:21 ` carrot at google dot com
2010-06-02 8:54 ` steven at gcc dot gnu dot org
` (2 subsequent siblings)
3 siblings, 0 replies; 8+ messages in thread
From: carrot at google dot com @ 2010-06-02 8:21 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from carrot at google dot com 2010-06-02 08:20 -------
Created an attachment (id=20805)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20805&action=view)
test case
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44374
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2011-04-02 13:51 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-44374-4@http.gcc.gnu.org/bugzilla/>
2010-11-03 18:25 ` [Bug rtl-optimization/44374] Hoist same instructions in different branches hjl.tools at gmail dot com
2010-12-14 0:23 ` bernds at gcc dot gnu.org
2011-04-02 13:47 ` steven at gcc dot gnu.org
2011-04-02 13:51 ` bernds at gcc dot gnu.org
2010-06-02 8:20 [Bug rtl-optimization/44374] New: " carrot at google dot com
2010-06-02 8:21 ` [Bug rtl-optimization/44374] " carrot at google dot com
2010-06-02 8:54 ` steven at gcc dot gnu dot org
2010-09-23 10:05 ` bernds at gcc dot gnu dot org
2010-09-23 10:08 ` bernds at gcc dot gnu dot org
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