[Bug tree-optimization/100981] [11 Regression] ICE in info_for_reduction, at tree-vect-loop.c:4897

2021-06-16 Thread rguenth at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100981

Richard Biener  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
  Known to fail||11.1.0
  Known to work||11.1.1
 Resolution|--- |FIXED

--- Comment #11 from Richard Biener  ---
Fixed.

[Bug tree-optimization/100981] [11 Regression] ICE in info_for_reduction, at tree-vect-loop.c:4897

2021-06-16 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100981

--- Comment #10 from CVS Commits  ---
The releases/gcc-11 branch has been updated by Richard Biener
:

https://gcc.gnu.org/g:68d2dbf845d8589c2a227a3097cbcff9429244b0

commit r11-8580-g68d2dbf845d8589c2a227a3097cbcff9429244b0
Author: Richard Biener 
Date:   Wed Jun 9 14:48:35 2021 +0200

tree-optimization/100981 - fix SLP patterns involving reductions

The following fixes the SLP FMA patterns to preserve reduction
info and the reduction vectorization to consider internal function
call defs for the reduction stmt.

2021-06-09  Richard Biener  

PR tree-optimization/100981
gcc/
* tree-vect-loop.c (vect_create_epilog_for_reduction): Use
gimple_get_lhs to also handle calls.
* tree-vect-slp-patterns.c (complex_pattern::build): Transfer
reduction info.

gcc/testsuite/
* gfortran.dg/vect/pr100981-1.f90: New testcase.

libgomp/
* testsuite/libgomp.fortran/pr100981-2.f90: New testcase.

[Bug tree-optimization/100981] [11 Regression] ICE in info_for_reduction, at tree-vect-loop.c:4897

2021-06-10 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100981

--- Comment #9 from CVS Commits  ---
The master branch has been updated by Jakub Jelinek :

https://gcc.gnu.org/g:7d19a50ea1e5e9858bb7cd258fa4f9db89ecfcb2

commit r12-1355-g7d19a50ea1e5e9858bb7cd258fa4f9db89ecfcb2
Author: Jakub Jelinek 
Date:   Thu Jun 10 09:31:06 2021 +0200

testsuite: Fix up libgomp.fortran/pr100981-2.f90 testcase [PR100981]

The dsdotr and dsdoti variables uninitialized and the testcase fails e.g.
on i686-linux.  Fixed by zero initialization.

2021-06-10  Jakub Jelinek  

PR tree-optimization/100981
* testsuite/libgomp.fortran/pr100981-2.f90 (cdcdot): Initialize
dsdotr and dsdoti to 0.

[Bug tree-optimization/100981] [11 Regression] ICE in info_for_reduction, at tree-vect-loop.c:4897

2021-06-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100981

Richard Biener  changed:

   What|Removed |Added

Summary|ICE in info_for_reduction,  |[11 Regression] ICE in
   |at tree-vect-loop.c:4897|info_for_reduction, at
   ||tree-vect-loop.c:4897
   Target Milestone|--- |11.2
  Known to work||12.0
   Priority|P3  |P2

--- Comment #8 from Richard Biener  ---
Fixed on trunk sofar, the issue is most likely latent on the branch.