[Bug tree-optimization/111039] [11/12/13 Regression] Unable to coalesce ssa_names

2023-08-24 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111039

--- Comment #5 from CVS Commits  ---
The releases/gcc-13 branch has been updated by Richard Biener
:

https://gcc.gnu.org/g:e150cbf591759af10f3d57acbe0eb381aafa00de

commit r13-7754-ge150cbf591759af10f3d57acbe0eb381aafa00de
Author: Richard Biener 
Date:   Thu Aug 17 13:10:14 2023 +0200

tree-optimization/111039 - abnormals and bit test merging

The following guards the bit test merging code in if-combine against
the appearance of SSA names used in abnormal PHIs.

PR tree-optimization/111039
* tree-ssa-ifcombine.cc (ifcombine_ifandif): Check for
SSA_NAME_OCCURS_IN_ABNORMAL_PHI.

* gcc.dg/pr111039.c: New testcase.

(cherry picked from commit 482551a79a3d3f107f6239679ee74655cfe8707e)

[Bug tree-optimization/111039] [11/12/13 Regression] Unable to coalesce ssa_names

2023-08-17 Thread rguenth at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111039

Richard Biener  changed:

   What|Removed |Added

  Known to work||14.0
   Priority|P3  |P2
Summary|[11/12/13/14 Regression]|[11/12/13 Regression]
   |Unable to coalesce  |Unable to coalesce
   |ssa_names   |ssa_names