[Bug middle-end/112560] [14 Regression] ICE in try_combine on pr112494.c

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112560

Uroš Bizjak  changed:

   What|Removed |Added

   Keywords||patch

--- Comment #4 from Uroš Bizjak  ---
Patch at [1].

[1] https://gcc.gnu.org/pipermail/gcc-patches/2023-November/638589.html

[Bug middle-end/112560] [14 Regression] ICE in try_combine on pr112494.c

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112560

Uroš Bizjak  changed:

   What|Removed |Added

   Assignee|unassigned at gcc dot gnu.org  |ubizjak at gmail dot com
 Status|NEW |ASSIGNED

--- Comment #3 from Uroš Bizjak  ---
Created attachment 56705
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56705=edit
Proposed patch

The code assumes that cc_use_loc represents a comparison operator. Skip the
modification of CC-using operation if this is not the case.

[Bug middle-end/112560] [14 Regression] ICE in try_combine on pr112494.c

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112560
Bug 112560 depends on bug 112494, which changed state.

Bug 112494 Summary: ICE in ix86_cc_mode, at config/i386/i386.cc:16477
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112494

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

[Bug middle-end/112560] [14 Regression] ICE in try_combine on pr112494.c

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112560

Andrew Pinski  changed:

   What|Removed |Added

 Ever confirmed|0   |1
   Last reconfirmed||2023-11-18
 CC||pinskia at gcc dot gnu.org
 Status|UNCONFIRMED |NEW

--- Comment #2 from Andrew Pinski  ---
Confirmed.

[Bug middle-end/112560] [14 Regression] ICE in try_combine on pr112494.c

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112560

--- Comment #1 from Andrew Pinski  ---
This code seems to originally was added with
https://gcc.gnu.org/pipermail/gcc-patches/2011-April/311365.html 

The discussion on the patch continues into May:
https://gcc.gnu.org/pipermail/gcc-patches/2011-May/312415.html

[Bug middle-end/112560] [14 Regression] ICE in try_combine on pr112494.c

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112560

Jakub Jelinek  changed:

   What|Removed |Added

   Target Milestone|--- |14.0
 CC||segher at gcc dot gnu.org
   Priority|P3  |P1
Summary|ICE in try_combine on   |[14 Regression] ICE in
   |pr112494.c  |try_combine on pr112494.c