https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
Richard Biener changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
--- Comment #9 from CVS Commits ---
The master branch has been updated by Richard Biener :
https://gcc.gnu.org/g:5e88fccf4be7e8ab22734d87f8e520b25d92d845
commit r13-2069-g5e88fccf4be7e8ab22734d87f8e520b25d92d845
Author: Richard Biener
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
--- Comment #8 from rguenther at suse dot de ---
On Tue, 16 Aug 2022, aldyh at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
>
> --- Comment #7 from Aldy Hernandez ---
> (In reply to Richard Biener from comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
--- Comment #7 from Aldy Hernandez ---
(In reply to Richard Biener from comment #6)
> The comment about DOM + missing cprop remains of course.
This seems like a longstanding problem with DOM (cpropping into PHI args with
range information), as
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
Richard Biener changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
--- Comment #5 from Aldy Hernandez ---
(In reply to Andrew Pinski from comment #4)
> > It looks like DOM2, as a side-effect of using the ranger to do cprop, is
> > exporting a global range for a_9
> > Where a_9 has a global range of [0,0].
>
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
--- Comment #4 from Andrew Pinski ---
> It looks like DOM2, as a side-effect of using the ranger to do cprop, is
> exporting a global range for a_9
> Where a_9 has a global range of [0,0].
Why didn't DOM do a constant prop here since the only
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
Aldy Hernandez changed:
What|Removed |Added
CC||rguenth at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
--- Comment #2 from Aldy Hernandez ---
Works with -fno-thread-jumps or with -fdisable-tree-dom3.
I haven't investigated whether the threading done in DOM2 is generating invalid
IL, but it looks like this match.pd pattern is going around in circ
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
Marek Polacek changed:
What|Removed |Added
Last reconfirmed||2022-08-15
CC|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
Andrew Pinski changed:
What|Removed |Added
Target Milestone|--- |13.0
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