https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
Richard Biener changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
--- Comment #13 from CVS Commits ---
The master branch has been updated by Richard Biener :
https://gcc.gnu.org/g:1e6f1659bd7337e91a88086f8092ada01e80ac94
commit r14-2182-g1e6f1659bd7337e91a88086f8092ada01e80ac94
Author: Richard Biener
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
--- Comment #12 from David Binderman ---
Here is a test case which seems to demonstrate the problem:
$ /home/dcb38/gcc/results/bin/gcc -c -w -O1 -march=znver1 bug935.c
during GIMPLE pass: fre
bug935.c: In function ‘func_63’:
bug935.c:5:6:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
Richard Biener changed:
What|Removed |Added
Status|NEW |ASSIGNED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
--- Comment #11 from Richard Biener ---
(In reply to Andrew Pinski from comment #4)
> Yes it is that pattern, specifically :
> /* Try to fold (type) X op CST -> (type) (X op ((type-x) CST))
>when profitable.
>For bitwise binary
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
--- Comment #10 from Andrew Pinski ---
I audited match.pd and only one other sticks out but I can't get get it to
happen.
The other one should have happened with:
```
typedef int v4si __attribute__ ((vector_size (4*sizeof(int;
typedef short
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
seurer at gcc dot gnu.org changed:
What|Removed |Added
CC||seurer at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
--- Comment #8 from Andrew Pinski ---
(In reply to David Binderman from comment #7)
> I get something similar with -O1 -march=znver1.
>
> The problem seems to have started in the last couple of days:
Yes it is exactly the same issue. Also it
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
David Binderman changed:
What|Removed |Added
CC||dcb314 at hotmail dot com
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
--- Comment #6 from Andrew Pinski ---
*** Bug 110465 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
--- Comment #5 from Andrew Pinski ---
Here is a better testcase which fails even at -O1 and does not depend on the
vectorizer:
```
typedef int v4si __attribute__ ((vector_size (4*sizeof(int;
typedef short v4hi __attribute__ ((vector_size
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
Andrew Pinski changed:
What|Removed |Added
CC||rguenth at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
Andrew Pinski changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Ever confirmed|0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
--- Comment #2 from Sam James ---
Created attachment 55417
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55417=edit
reduced.ii
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
Andrew Pinski changed:
What|Removed |Added
Target Milestone|--- |14.0
Keywords|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110461
--- Comment #1 from Andrew Pinski ---
I think it is:
/* Try to fold (type) X op CST -> (type) (X op ((type-x) CST))
16 matches
Mail list logo
