[Bug c/115081] New: find thie PR will cause ICE: Modify cost calculation for dealingf with equivalaennces

[Bug c/115081] New: find thie PR will cause ICE: Modify cost calculation for dealingf with equivalaennces

[andyzhenyu.zhao at mail dot utoronto.ca]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115081

            Bug ID: 115081
           Summary: find thie PR will cause ICE: Modify cost calculation
                    for dealingf with equivalaennces
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: andyzhenyu.zhao at mail dot utoronto.ca
  Target Milestone: ---

Here is the website for this patch:
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=f55cdce3f8dd8503e080e35be59c5f5390f6d95e

And I also find a patch to sovled some problems caused by this patch.
Here is the website:
https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=4d3d2cdb574488223d023b590c3a34ddd93f4dae.

detail info in the attachment.

[Bug rtl-optimization/115081] find thie PR will cause ICE: Modify cost calculation for dealingf with equivalaennces

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115081

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|c                           |rtl-optimization

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Lthe attachment was most likely too big so it didn't attach. Can you attach it
again maybe compress?

[Bug rtl-optimization/115081] find thie PR will cause ICE: Modify cost calculation for dealingf with equivalaennces

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115081

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2024-05-14
             Status|UNCONFIRMED                 |WAITING
     Ever confirmed|0                           |1

[Bug rtl-optimization/115081] find thie PR will cause ICE: Modify cost calculation for dealingf with equivalaennces

[andyzhenyu.zhao at mail dot utoronto.ca]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115081

--- Comment #2 from Zhenyu Zhao <andyzhenyu.zhao at mail dot utoronto.ca> ---
Created attachment 58198
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58198&action=edit
Detail info about ICE

Sorry for that, I reattach the image.

[Bug rtl-optimization/115081] find thie PR will cause ICE: Modify cost calculation for dealingf with equivalaennces

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115081

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
You have not provided all of the information needed for this?
Can you provide the target which is being used here?
Can you provide the exact version of GCC you are using to get the ICE?

Also I noticed the ICE message points to
https://gitee.com/src-openeuler/gcc/issues so I suspect you should be filing
the bug with them.


Also the release of GCC 14.1.0 includes the commit r14-4986-g4d3d2cdb574488 .
that was a fix for r14-4944-gf55cdce3f8dd85 .

So there is nothing for upstream GCC to do.

[Bug rtl-optimization/115081] find thie PR will cause ICE: Modify cost calculation for dealingf with equivalaennces

[andyzhenyu.zhao at mail dot utoronto.ca]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115081

--- Comment #4 from Zhenyu Zhao <andyzhenyu.zhao at mail dot utoronto.ca> ---
I apologize for not describing my problem clearly.
I'm now trying to import these two PR in gcc in the x86 openEuler OS to test
some application. But after introducing them I found out that these two pr's
cause ICE problems on x86 platforms. For this case, should I also fill the bug
with them?
Thanks.

[Bug rtl-optimization/115081] find thie PR will cause ICE: Modify cost calculation for dealingf with equivalaennces

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115081

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|WAITING                     |RESOLVED

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
dbxout_* (-gstabs) support was removed in GCC 13 by r13-2361-g7e0db0cdf01e9c so
backporting a change which was not tested in something before GCC 13, will most
likely also need fixes in code which has since been removed. So I am not
shocked there is an ICE in code which has since been removed.

It is not upstream GCC's job to handle random backporting of changes to random
versions of GCC.