[Bug tree-optimization/80032] [6 Regression] C++ excessive stack usage (no stack reuse)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80032

--- Comment #16 from Richard Biener  ---
Author: rguenth
Date: Fri Oct 12 13:44:35 2018
New Revision: 265101

URL: https://gcc.gnu.org/viewcvs?rev=265101=gcc=rev
Log:
2018-10-12  Richard Biener  

PR c++/54278
Backport from mainline
2017-03-23  Richard Biener  

PR tree-optimization/80032
* gimplify.c (gimple_push_cleanup): Forced unconditional
cleanups still have to go to the conditional_cleanups
sequence.

2017-03-21  Richard Biener  

PR tree-optimization/80032
* gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
if set force the cleanup to happen unconditionally.
(gimplify_target_expr): Push inserted clobbers with force_uncond
to avoid them being removed by control-dependent DCE.

* g++.dg/opt/pr80032.C: New testcase.

Added:
branches/gcc-6-branch/gcc/testsuite/g++.dg/opt/pr80032.C
Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/gimplify.c
branches/gcc-6-branch/gcc/testsuite/ChangeLog

[Bug tree-optimization/80032] [6 Regression] C++ excessive stack usage (no stack reuse)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80032

Richard Biener  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED
  Known to fail||6.4.0

--- Comment #15 from Richard Biener  ---
Fixed.

[Bug tree-optimization/80032] [6 Regression] C++ excessive stack usage (no stack reuse)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80032

Richard Biener  changed:

   What|Removed |Added

   Target Milestone|6.4 |6.5

--- Comment #14 from Richard Biener  ---
GCC 6.4 is being released, adjusting target milestone.

[Bug tree-optimization/80032] [6 Regression] C++ excessive stack usage (no stack reuse)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80032

--- Comment #13 from Richard Biener  ---
Author: rguenth
Date: Thu Mar 23 08:33:41 2017
New Revision: 246414

URL: https://gcc.gnu.org/viewcvs?rev=246414=gcc=rev
Log:
2017-03-23  Richard Biener  

PR tree-optimization/80032
* gimplify.c (gimple_push_cleanup): Forced unconditional
cleanups still have to go to the conditional_cleanups
sequence.

Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimplify.c

[Bug tree-optimization/80032] [6 Regression] C++ excessive stack usage (no stack reuse)

[jan.smets at nokia dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80032

--- Comment #12 from Jan Smets  ---
Thanks. I've also been using the patch on the 6 branch and it seems to work
fine as well.

[Bug tree-optimization/80032] [6 Regression] C++ excessive stack usage (no stack reuse)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80032

Richard Biener  changed:

   What|Removed |Added

  Known to work||7.0.1
Summary|[6/7 Regression] C++|[6 Regression] C++
   |excessive stack usage (no   |excessive stack usage (no
   |stack reuse)|stack reuse)

--- Comment #11 from Richard Biener  ---
Fixed on trunk sofar.