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* [Bug tree-optimization/14753] [tree-ssa] some missed forward propagation opportunities
[not found] <bug-14753-4@http.gcc.gnu.org/bugzilla/>
@ 2014-10-31 4:01 ` pinskia at gcc dot gnu.org
2014-10-31 4:04 ` pinskia at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 8+ messages in thread
From: pinskia at gcc dot gnu.org @ 2014-10-31 4:01 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14753
Bug 14753 depends on bug 15459, which changed state.
Bug 15459 Summary: [meta-bug] there should be a tree combiner like the rtl one
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=15459
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/14753] [tree-ssa] some missed forward propagation opportunities
[not found] <bug-14753-4@http.gcc.gnu.org/bugzilla/>
2014-10-31 4:01 ` [Bug tree-optimization/14753] [tree-ssa] some missed forward propagation opportunities pinskia at gcc dot gnu.org
@ 2014-10-31 4:04 ` pinskia at gcc dot gnu.org
2023-05-15 6:22 ` pinskia at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 8+ messages in thread
From: pinskia at gcc dot gnu.org @ 2014-10-31 4:04 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14753
--- Comment #11 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #9)
> Fold should do all of these.
Now I will say match-and-simplify should handle all of these. :)
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/14753] [tree-ssa] some missed forward propagation opportunities
[not found] <bug-14753-4@http.gcc.gnu.org/bugzilla/>
2014-10-31 4:01 ` [Bug tree-optimization/14753] [tree-ssa] some missed forward propagation opportunities pinskia at gcc dot gnu.org
2014-10-31 4:04 ` pinskia at gcc dot gnu.org
@ 2023-05-15 6:22 ` pinskia at gcc dot gnu.org
2023-06-07 0:40 ` pinskia at gcc dot gnu.org
2023-06-07 3:02 ` pinskia at gcc dot gnu.org
4 siblings, 0 replies; 8+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-05-15 6:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14753
--- Comment #12 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Summary of the ones still need to be done:
comment #0:
* foo
comment #3:
* rshift_gt
* rshift_eq
* mask_gt
* neg_eq_cst
* neg_eq_var
comment #4:
* minus_cst
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/14753] [tree-ssa] some missed forward propagation opportunities
[not found] <bug-14753-4@http.gcc.gnu.org/bugzilla/>
` (2 preceding siblings ...)
2023-05-15 6:22 ` pinskia at gcc dot gnu.org
@ 2023-06-07 0:40 ` pinskia at gcc dot gnu.org
2023-06-07 3:02 ` pinskia at gcc dot gnu.org
4 siblings, 0 replies; 8+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-06-07 0:40 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14753
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |85234, 110134
--- Comment #13 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #12)
> Summary of the ones still need to be done:
> comment #0:
> * foo
PR 85234 (I think)
> comment #3:
> * rshift_gt
PR 85234 (I think)
> * rshift_eq
PR 85234 (I think)
> * mask_gt
I don't think this has a bug #
> * neg_eq_cst
> * neg_eq_var
PR 110134 (just submitted a patch for that)
>
> comment #4:
> * minus_cst
I don't think this has a bug #
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85234
[Bug 85234] missed optimisation opportunity for (x >> CST)!=0 is not optimized
to (((unsigned)x) >= (1<<CST)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110134
[Bug 110134] [10/11/12/13/14 Regression] (-unsigned1) != CST is not optimized
to unsigned1 != CST at the gimple level
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/14753] [tree-ssa] some missed forward propagation opportunities
[not found] <bug-14753-4@http.gcc.gnu.org/bugzilla/>
` (3 preceding siblings ...)
2023-06-07 0:40 ` pinskia at gcc dot gnu.org
@ 2023-06-07 3:02 ` pinskia at gcc dot gnu.org
4 siblings, 0 replies; 8+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-06-07 3:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14753
Bug 14753 depends on bug 110134, which changed state.
Bug 110134 Summary: [10/11/12/13/14 Regression] (-unsigned1) != CST is not optimized to unsigned1 != CST at the gimple level
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110134
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/14753] [tree-ssa] some missed forward propagation opportunities
2004-03-27 16:13 [Bug optimization/14753] New: " kazu at cs dot umass dot edu
2004-05-17 17:47 ` [Bug tree-optimization/14753] " pinskia at gcc dot gnu dot org
2004-05-18 16:29 ` law at redhat dot com
@ 2004-05-24 17:20 ` pinskia at gcc dot gnu dot org
2 siblings, 0 replies; 8+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-05-24 17:20 UTC (permalink / raw)
To: gcc-bugs
--
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|3.5.0 |---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14753
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/14753] [tree-ssa] some missed forward propagation opportunities
2004-03-27 16:13 [Bug optimization/14753] New: " kazu at cs dot umass dot edu
2004-05-17 17:47 ` [Bug tree-optimization/14753] " pinskia at gcc dot gnu dot org
@ 2004-05-18 16:29 ` law at redhat dot com
2004-05-24 17:20 ` pinskia at gcc dot gnu dot org
2 siblings, 0 replies; 8+ messages in thread
From: law at redhat dot com @ 2004-05-18 16:29 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From law at redhat dot com 2004-05-18 03:32 -------
Subject: Re: [tree-ssa] some missed forward
propagation opportunities
In message <20040517014727.21847.qmail@sourceware.org>, "pinskia at gcc dot gnu
dot org" writes:
>
>------- Additional Comments From pinskia at gcc dot gnu dot org 2004-05-17 0
>1:47 -------
>Fold should do all of these.
Only if you're combining trees. And yes, I believe we ought to be combining
trees :-)
jeff
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14753
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/14753] [tree-ssa] some missed forward propagation opportunities
2004-03-27 16:13 [Bug optimization/14753] New: " kazu at cs dot umass dot edu
@ 2004-05-17 17:47 ` pinskia at gcc dot gnu dot org
2004-05-18 16:29 ` law at redhat dot com
2004-05-24 17:20 ` pinskia at gcc dot gnu dot org
2 siblings, 0 replies; 8+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-05-17 17:47 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-05-17 01:47 -------
Fold should do all of these.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14753
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2023-06-07 3:02 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-14753-4@http.gcc.gnu.org/bugzilla/>
2014-10-31 4:01 ` [Bug tree-optimization/14753] [tree-ssa] some missed forward propagation opportunities pinskia at gcc dot gnu.org
2014-10-31 4:04 ` pinskia at gcc dot gnu.org
2023-05-15 6:22 ` pinskia at gcc dot gnu.org
2023-06-07 0:40 ` pinskia at gcc dot gnu.org
2023-06-07 3:02 ` pinskia at gcc dot gnu.org
2004-03-27 16:13 [Bug optimization/14753] New: " kazu at cs dot umass dot edu
2004-05-17 17:47 ` [Bug tree-optimization/14753] " pinskia at gcc dot gnu dot org
2004-05-18 16:29 ` law at redhat dot com
2004-05-24 17:20 ` pinskia at gcc dot gnu dot org
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