[Bug tree-optimization/64493] [4.8 Regression] ICE at -O3 on x86_64-linux-gnu
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Feb 24 14:27:00 GMT 2015
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64493
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Feb 24 14:05:46 2015
New Revision: 220940
URL: https://gcc.gnu.org/viewcvs?rev=220940&root=gcc&view=rev
Log:
2015-02-24 Richard Biener <rguenther@suse.de>
Backport from mainline
2014-12-09 Richard Biener <rguenther@suse.de>
PR middle-end/64199
* fold-const.c (fold_binary_loc): Use TREE_OVERFLOW_P.
* gcc.dg/torture/pr64199.c: New testcase.
2015-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/64493
PR tree-optimization/64495
* tree-vect-loop.c (vect_finalize_reduction): For double-reductions
assign the proper vectorized PHI to the inner loop exit PHIs.
* gcc.dg/vect/pr64493.c: New testcase.
* gcc.dg/vect/pr64495.c: Likewise.
Added:
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr64199.c
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr64493.c
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr64495.c
Modified:
branches/gcc-4_8-branch/gcc/ChangeLog
branches/gcc-4_8-branch/gcc/fold-const.c
branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
branches/gcc-4_8-branch/gcc/tree-vect-loop.c
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