https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
Richard Biener changed:
What|Removed |Added
Resolution|--- |FIXED
Known to work|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #30 from CVS Commits ---
The releases/gcc-12 branch has been updated by Richard Biener
:
https://gcc.gnu.org/g:b9f58edfc2ccb0fb3840751a2fb4268ce5dd9b3d
commit r12-8837-gb9f58edfc2ccb0fb3840751a2fb4268ce5dd9b3d
Author: Richard
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #29 from CVS Commits ---
The releases/gcc-12 branch has been updated by Richard Biener
:
https://gcc.gnu.org/g:641369e29f57c508e6316d5d221c1a92900163f9
commit r12-8836-g641369e29f57c508e6316d5d221c1a92900163f9
Author: Jakub
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #28 from CVS Commits ---
The releases/gcc-12 branch has been updated by Richard Biener
:
https://gcc.gnu.org/g:e8d5f3a1b5a5839cb1db57d6f6766469cc4f8747
commit r12-8835-ge8d5f3a1b5a5839cb1db57d6f6766469cc4f8747
Author: Richard
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #27 from Jan Žižka ---
(In reply to rguent...@suse.de from comment #26)
>
> They are clearly necessary to fix this bug. What I'm unsure yet about
> is the risk of generally enhancing VN for this diagnostic regression.
> The
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #26 from rguenther at suse dot de ---
On Tue, 11 Oct 2022, jan.zizka at nokia dot com wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
>
> --- Comment #25 from Jan ?i?ka ---
> I have backported all three patches but
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #25 from Jan Žižka ---
I have backported all three patches but true that I didn't try to test without
VN enhancement. Would it help if I'd try that with our production code and the
reproducers? Or anything else I could try so that
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #24 from Richard Biener ---
Note I'm still pondering whether to backport the VN enhancement, for now I've
backported the VN/PRE optimization regression fix.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #23 from CVS Commits ---
The releases/gcc-12 branch has been updated by Richard Biener
:
https://gcc.gnu.org/g:e364e27b6636ba09755790358910f199d07194b3
commit r12-8820-ge364e27b6636ba09755790358910f199d07194b3
Author: Richard
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #22 from Jan Žižka ---
Great, our production code builds just fine with
af611afe5fcc908a6678b5b205fb5af7d64fbcb2 :-) thanks a lot.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #21 from Richard Biener ---
try again!
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #20 from CVS Commits ---
The master branch has been updated by Richard Biener :
https://gcc.gnu.org/g:af611afe5fcc908a6678b5b205fb5af7d64fbcb2
commit r13-2817-gaf611afe5fcc908a6678b5b205fb5af7d64fbcb2
Author: Richard Biener
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #19 from Richard Biener ---
(In reply to Jan Žižka from comment #18)
> Created attachment 53617 [details]
> Third reproducer failing with 9baee6181b4e427e0b5ba417e51424c15858dce7
>
> I did cherry-pick
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #18 from Jan Žižka ---
Created attachment 53617
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53617=edit
Third reproducer failing with 9baee6181b4e427e0b5ba417e51424c15858dce7
I did cherry-pick
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #17 from CVS Commits ---
The master branch has been updated by Jakub Jelinek :
https://gcc.gnu.org/g:a0de11d0d22054b6fd76a0730a3ec807542379d0
commit r13-2806-ga0de11d0d22054b6fd76a0730a3ec807542379d0
Author: Jakub Jelinek
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #16 from Richard Biener ---
This addressed the other missed optimization (which isn't a regression), it
should make optimizing the m_initialized flag status more consistent.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #15 from CVS Commits ---
The master branch has been updated by Richard Biener :
https://gcc.gnu.org/g:9baee6181b4e427e0b5ba417e51424c15858dce7
commit r13-2772-g9baee6181b4e427e0b5ba417e51424c15858dce7
Author: Richard Biener
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
Richard Biener changed:
What|Removed |Added
Attachment #53597|0 |1
is obsolete|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #13 from Richard Biener ---
Created attachment 53597
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53597=edit
candidate patch
For reference this is the patch I was talking about. I'm sure I've made a
mistake in reasoning
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #12 from Jan Žižka ---
(In reply to Richard Biener from comment #11)
> So there's a similar missed optimization but it's not caused by the bisected
> revision.
Ah I see. I didn't try to bisect this again. I can do that if that
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #11 from Richard Biener ---
So there's a similar missed optimization but it's not caused by the bisected
revision. The situation is like
float bar, baz;
void foo (int *p, int n)
{
*p = 0;
do
{
bar = 1.;
if (*p)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
--- Comment #10 from Jan Žižka ---
Created attachment 53581
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53581=edit
Second reproducer failing with 5edf02ed2b6de024f83a023d046a6a18f645bc83
I have cherry-picked the fix on top of gcc 12
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106922
Richard Biener changed:
What|Removed |Added
Summary|[12/13 Regression] Bogus|[12 Regression] Bogus
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