[Bug tree-optimization/60382] [4.8 Regression] ICE on valid code at -O3 on x86_64-linux-gnu (in vect_create_epilog_for_reduction, at tree-vect-loop.c:4352)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60382

--- Comment #8 from Richard Biener rguenth at gcc dot gnu.org ---
hmm, interesting - I can't reproduce the failure but will backport anyway (it's
a safe fix).

[Bug tree-optimization/60382] [4.8 Regression] ICE on valid code at -O3 on x86_64-linux-gnu (in vect_create_epilog_for_reduction, at tree-vect-loop.c:4352)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60382

--- Comment #9 from Richard Biener rguenth at gcc dot gnu.org ---
Author: rguenth
Date: Tue May 13 13:21:47 2014
New Revision: 210371

URL: http://gcc.gnu.org/viewcvs?rev=210371root=gccview=rev
Log:
2014-05-13  Richard Biener  rguent...@suse.de

Backport from mainline
2014-03-04  Richard Biener  rguent...@suse.de

PR tree-optimization/60382
* tree-vect-loop.c (vect_is_simple_reduction_1): Do not consider
dead PHIs a reduction.

* gcc.dg/vect/pr60382.c: New testcase.

Added:
branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/vect/pr60382.c
Modified:
branches/gcc-4_7-branch/gcc/ChangeLog
branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
branches/gcc-4_7-branch/gcc/tree-vect-loop.c

[Bug tree-optimization/60382] [4.8 Regression] ICE on valid code at -O3 on x86_64-linux-gnu (in vect_create_epilog_for_reduction, at tree-vect-loop.c:4352)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60382

Richard Biener rguenth at gcc dot gnu.org changed:

   What|Removed |Added

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

--- Comment #6 from Richard Biener rguenth at gcc dot gnu.org ---
Fixed.

[Bug tree-optimization/60382] [4.8 Regression] ICE on valid code at -O3 on x86_64-linux-gnu (in vect_create_epilog_for_reduction, at tree-vect-loop.c:4352)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60382

--- Comment #5 from Richard Biener rguenth at gcc dot gnu.org ---
Author: rguenth
Date: Tue Mar  4 11:02:47 2014
New Revision: 208310

URL: http://gcc.gnu.org/viewcvs?rev=208310root=gccview=rev
Log:
2014-03-04  Richard Biener  rguent...@suse.de

PR tree-optimization/60382
* tree-vect-loop.c (vect_is_simple_reduction_1): Do not consider
dead PHIs a reduction.

* gcc.dg/vect/pr60382.c: New testcase.

Added:
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr60382.c
Modified:
branches/gcc-4_8-branch/gcc/ChangeLog
branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
branches/gcc-4_8-branch/gcc/tree-vect-loop.c