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* [Bug tree-optimization/42172] inefficient bit fields assignments
[not found] <bug-42172-4@http.gcc.gnu.org/bugzilla/>
@ 2011-03-25 20:07 ` jakub at gcc dot gnu.org
2011-04-28 16:52 ` rguenth at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 11+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-03-25 20:07 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42172
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.6.0 |4.6.1
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-25 19:53:14 UTC ---
GCC 4.6.0 is being released, adjusting target milestone.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/42172] inefficient bit fields assignments
[not found] <bug-42172-4@http.gcc.gnu.org/bugzilla/>
2011-03-25 20:07 ` [Bug tree-optimization/42172] inefficient bit fields assignments jakub at gcc dot gnu.org
@ 2011-04-28 16:52 ` rguenth at gcc dot gnu.org
2013-01-17 0:26 ` janis at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-04-28 16:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42172
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.6.1 |---
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/42172] inefficient bit fields assignments
[not found] <bug-42172-4@http.gcc.gnu.org/bugzilla/>
2011-03-25 20:07 ` [Bug tree-optimization/42172] inefficient bit fields assignments jakub at gcc dot gnu.org
2011-04-28 16:52 ` rguenth at gcc dot gnu.org
@ 2013-01-17 0:26 ` janis at gcc dot gnu.org
2015-04-09 3:47 ` amker at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 11+ messages in thread
From: janis at gcc dot gnu.org @ 2013-01-17 0:26 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42172
Janis Johnson <janis at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |janis at gcc dot gnu.org
--- Comment #8 from Janis Johnson <janis at gcc dot gnu.org> 2013-01-17 00:26:10 UTC ---
The test gcc.target/arm/pr42172-1.c currently passes for armv6t2, armv7*, and
armv8* with and without -mthumb. At this point can the test be limited to
those processors, or XFAILed for others?
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/42172] inefficient bit fields assignments
[not found] <bug-42172-4@http.gcc.gnu.org/bugzilla/>
` (2 preceding siblings ...)
2013-01-17 0:26 ` janis at gcc dot gnu.org
@ 2015-04-09 3:47 ` amker at gcc dot gnu.org
2015-04-09 13:57 ` segher at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 11+ messages in thread
From: amker at gcc dot gnu.org @ 2015-04-09 3:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42172
amker at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |amker at gcc dot gnu.org
--- Comment #9 from amker at gcc dot gnu.org ---
Created attachment 35265
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35265&action=edit
rtl dump for both cortex-m0 and cortex-m3
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/42172] inefficient bit fields assignments
[not found] <bug-42172-4@http.gcc.gnu.org/bugzilla/>
` (3 preceding siblings ...)
2015-04-09 3:47 ` amker at gcc dot gnu.org
@ 2015-04-09 13:57 ` segher at gcc dot gnu.org
2021-07-21 3:11 ` pinskia at gcc dot gnu.org
2021-07-21 3:18 ` pinskia at gcc dot gnu.org
6 siblings, 0 replies; 11+ messages in thread
From: segher at gcc dot gnu.org @ 2015-04-09 13:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42172
Segher Boessenkool <segher at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |segher at gcc dot gnu.org
--- Comment #11 from Segher Boessenkool <segher at gcc dot gnu.org> ---
I have code to improve zero_extract (and similar) handling in
combine. For stage1, obviously.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/42172] inefficient bit fields assignments
[not found] <bug-42172-4@http.gcc.gnu.org/bugzilla/>
` (4 preceding siblings ...)
2015-04-09 13:57 ` segher at gcc dot gnu.org
@ 2021-07-21 3:11 ` pinskia at gcc dot gnu.org
2021-07-21 3:18 ` pinskia at gcc dot gnu.org
6 siblings, 0 replies; 11+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-07-21 3:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42172
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Severity|normal |enhancement
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/42172] inefficient bit fields assignments
[not found] <bug-42172-4@http.gcc.gnu.org/bugzilla/>
` (5 preceding siblings ...)
2021-07-21 3:11 ` pinskia at gcc dot gnu.org
@ 2021-07-21 3:18 ` pinskia at gcc dot gnu.org
6 siblings, 0 replies; 11+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-07-21 3:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42172
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Target Milestone|--- |7.0
Status|NEW |RESOLVED
--- Comment #12 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed already fully in GCC 7, there are already testcases committed for this.
Most likely r7-4171 .
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/42172] inefficient bit fields assignments
2009-11-25 9:16 [Bug target/42172] New: " carrot at google dot com
` (2 preceding siblings ...)
2010-09-01 9:07 ` ramana at gcc dot gnu dot org
@ 2010-09-01 9:07 ` ramana at gcc dot gnu dot org
3 siblings, 0 replies; 11+ messages in thread
From: ramana at gcc dot gnu dot org @ 2010-09-01 9:07 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from ramana at gcc dot gnu dot org 2010-09-01 09:07 -------
Leaving this open as per comment #4
--
ramana 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 |2010-09-01 09:07:00
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42172
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/42172] inefficient bit fields assignments
2009-11-25 9:16 [Bug target/42172] New: " carrot at google dot com
2010-08-09 15:04 ` [Bug tree-optimization/42172] " bernds at gcc dot gnu dot org
2010-08-19 17:32 ` bernds at gcc dot gnu dot org
@ 2010-09-01 9:07 ` ramana at gcc dot gnu dot org
2010-09-01 9:07 ` ramana at gcc dot gnu dot org
3 siblings, 0 replies; 11+ messages in thread
From: ramana at gcc dot gnu dot org @ 2010-09-01 9:07 UTC (permalink / raw)
To: gcc-bugs
--
ramana at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.6.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42172
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/42172] inefficient bit fields assignments
2009-11-25 9:16 [Bug target/42172] New: " carrot at google dot com
2010-08-09 15:04 ` [Bug tree-optimization/42172] " bernds at gcc dot gnu dot org
@ 2010-08-19 17:32 ` bernds at gcc dot gnu dot org
2010-09-01 9:07 ` ramana at gcc dot gnu dot org
2010-09-01 9:07 ` ramana at gcc dot gnu dot org
3 siblings, 0 replies; 11+ messages in thread
From: bernds at gcc dot gnu dot org @ 2010-08-19 17:32 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from bernds at gcc dot gnu dot org 2010-08-19 17:32 -------
Subject: Bug 42172
Author: bernds
Date: Thu Aug 19 17:31:57 2010
New Revision: 163383
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163383
Log:
PR target/42172
* combine.c (combine_validate_cost): New arg I0. All callers changed.
Take its cost into account if nonnull.
(insn_a_feeds_b): New static function.
(combine_instructions): Look for four-insn combinations.
(can_combine_p): New args PRED2, SUCC2. All callers changed. Take
them into account when computing all_adjacent and looking for other
uses.
(combinable_i3pat): New args I0DEST, I0_NOT_IN_SRC. All callers
changed. Treat them like I1DEST and I1_NOT_IN_SRC.
(try_combine): New arg I0. Handle four-insn combinations.
(distribute_notes): New arg ELIM_I0. All callers changed. Treat it
like ELIM_I1.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/combine.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42172
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/42172] inefficient bit fields assignments
2009-11-25 9:16 [Bug target/42172] New: " carrot at google dot com
@ 2010-08-09 15:04 ` bernds at gcc dot gnu dot org
2010-08-19 17:32 ` bernds at gcc dot gnu dot org
` (2 subsequent siblings)
3 siblings, 0 replies; 11+ messages in thread
From: bernds at gcc dot gnu dot org @ 2010-08-09 15:04 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from bernds at gcc dot gnu dot org 2010-08-09 15:04 -------
I'm reopening this as it's not fixed, and even if we fix it in the RTL
optimizers, it should stay open as a reminder that we produce poor initial RTL.
--
bernds at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
Component|target |tree-optimization
Resolution|DUPLICATE |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42172
^ permalink raw reply [flat|nested] 11+ messages in thread
end of thread, other threads:[~2021-07-21 3:18 UTC | newest]
Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-42172-4@http.gcc.gnu.org/bugzilla/>
2011-03-25 20:07 ` [Bug tree-optimization/42172] inefficient bit fields assignments jakub at gcc dot gnu.org
2011-04-28 16:52 ` rguenth at gcc dot gnu.org
2013-01-17 0:26 ` janis at gcc dot gnu.org
2015-04-09 3:47 ` amker at gcc dot gnu.org
2015-04-09 13:57 ` segher at gcc dot gnu.org
2021-07-21 3:11 ` pinskia at gcc dot gnu.org
2021-07-21 3:18 ` pinskia at gcc dot gnu.org
2009-11-25 9:16 [Bug target/42172] New: " carrot at google dot com
2010-08-09 15:04 ` [Bug tree-optimization/42172] " bernds at gcc dot gnu dot org
2010-08-19 17:32 ` bernds at gcc dot gnu dot org
2010-09-01 9:07 ` ramana at gcc dot gnu dot org
2010-09-01 9:07 ` ramana at gcc dot gnu dot org
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