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* [Bug tree-optimization/42893] [4.3/4.4/4.5/4.6 Regression] Missed conditionally dead store elimination
[not found] <bug-42893-4@http.gcc.gnu.org/bugzilla/>
@ 2011-01-27 3:39 ` law at redhat dot com
2011-02-06 12:28 ` steven at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: law at redhat dot com @ 2011-01-27 3:39 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42893
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |law at redhat dot com
Resolution| |FIXED
Target Milestone|4.3.6 |4.6.0
--- Comment #10 from Jeffrey A. Law <law at redhat dot com> 2011-01-27 02:27:36 UTC ---
DSE1 removes tui_refreshing_registers = 1 as it's a dead store.
DOM2 then removes tui_refreshing_registers = 0 because it's able to prove the
memory location already holds the value 0.
That ultimately leaves an empty function as we leave the tree-ssa optimizers,
which is precisely what we want.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/42893] [4.3/4.4/4.5/4.6 Regression] Missed conditionally dead store elimination
[not found] <bug-42893-4@http.gcc.gnu.org/bugzilla/>
2011-01-27 3:39 ` [Bug tree-optimization/42893] [4.3/4.4/4.5/4.6 Regression] Missed conditionally dead store elimination law at redhat dot com
@ 2011-02-06 12:28 ` steven at gcc dot gnu.org
2011-02-08 18:56 ` law at gcc dot gnu.org
2011-02-08 19:02 ` law at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: steven at gcc dot gnu.org @ 2011-02-06 12:28 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42893
Steven Bosscher <steven at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |
--- Comment #11 from Steven Bosscher <steven at gcc dot gnu.org> 2011-02-06 12:24:10 UTC ---
The test case should be added to the test suite.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/42893] [4.3/4.4/4.5/4.6 Regression] Missed conditionally dead store elimination
[not found] <bug-42893-4@http.gcc.gnu.org/bugzilla/>
2011-01-27 3:39 ` [Bug tree-optimization/42893] [4.3/4.4/4.5/4.6 Regression] Missed conditionally dead store elimination law at redhat dot com
2011-02-06 12:28 ` steven at gcc dot gnu.org
@ 2011-02-08 18:56 ` law at gcc dot gnu.org
2011-02-08 19:02 ` law at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: law at gcc dot gnu.org @ 2011-02-08 18:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42893
--- Comment #12 from Jeffrey A. Law <law at gcc dot gnu.org> 2011-02-08 18:54:21 UTC ---
Author: law
Date: Tue Feb 8 18:54:12 2011
New Revision: 169933
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169933
Log:
PR tree-optimization/42893
* gcc.tree-ssa/pr42893.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr42893.c
Modified:
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/42893] [4.3/4.4/4.5/4.6 Regression] Missed conditionally dead store elimination
[not found] <bug-42893-4@http.gcc.gnu.org/bugzilla/>
` (2 preceding siblings ...)
2011-02-08 18:56 ` law at gcc dot gnu.org
@ 2011-02-08 19:02 ` law at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: law at redhat dot com @ 2011-02-08 19:02 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42893
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution| |FIXED
--- Comment #13 from Jeffrey A. Law <law at redhat dot com> 2011-02-08 18:55:44 UTC ---
Testcase added.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/42893] [4.3/4.4/4.5/4.6 Regression] Missed conditionally dead store elimination
2010-01-28 7:17 [Bug tree-optimization/42893] New: [4.3/4.4/4.5 " steven at gcc dot gnu dot org
@ 2010-05-22 18:35 ` rguenth at gcc dot gnu dot org
0 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-05-22 18:35 UTC (permalink / raw)
To: gcc-bugs
------- Comment #9 from rguenth at gcc dot gnu dot org 2010-05-22 18:13 -------
GCC 4.3.5 is being released, adjusting target milestone.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.3.5 |4.3.6
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42893
^ permalink raw reply [flat|nested] 5+ messages in thread
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[not found] <bug-42893-4@http.gcc.gnu.org/bugzilla/>
2011-01-27 3:39 ` [Bug tree-optimization/42893] [4.3/4.4/4.5/4.6 Regression] Missed conditionally dead store elimination law at redhat dot com
2011-02-06 12:28 ` steven at gcc dot gnu.org
2011-02-08 18:56 ` law at gcc dot gnu.org
2011-02-08 19:02 ` law at redhat dot com
2010-01-28 7:17 [Bug tree-optimization/42893] New: [4.3/4.4/4.5 " steven at gcc dot gnu dot org
2010-05-22 18:35 ` [Bug tree-optimization/42893] [4.3/4.4/4.5/4.6 " rguenth at gcc dot gnu dot org
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