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[Bug tree-optimization/68021] [6 Regression] ice in rewrite_use_nonlinear_expr with -O3
- From: "amker at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 10 Feb 2016 14:09:37 +0000
- Subject: [Bug tree-optimization/68021] [6 Regression] ice in rewrite_use_nonlinear_expr with -O3
- Auto-submitted: auto-generated
- References: <bug-68021-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68021
--- Comment #16 from amker at gcc dot gnu.org ---
Author: amker
Date: Wed Feb 10 14:09:05 2016
New Revision: 233269
URL: https://gcc.gnu.org/viewcvs?rev=233269&root=gcc&view=rev
Log:
PR tree-optimization/68021
* tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
when computing the value of biv cand by itself.
gcc/testsuite/ChangeLog
PR tree-optimization/68021
* gcc.dg/tree-ssa/pr68021.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr68021.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-loop-ivopts.c