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[Bug tree-optimization/47139] [4.6 Regression] ice in process_use, at tree-vect-stmts.c:290
- From: "irar at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 6 Jan 2011 07:34:39 +0000
- Subject: [Bug tree-optimization/47139] [4.6 Regression] ice in process_use, at tree-vect-stmts.c:290
- Auto-submitted: auto-generated
- References: <bug-47139-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47139
--- Comment #4 from irar at gcc dot gnu.org 2011-01-06 07:34:28 UTC ---
Author: irar
Date: Thu Jan 6 07:34:24 2011
New Revision: 168535
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168535
Log:
PR tree-optimization/47139
* tree-vect-loop.c (vect_is_simple_reduction_1): Check that
only the last reduction value is used outside the loop. Update
documentation.
Added:
trunk/gcc/testsuite/gcc.dg/vect/pr47139.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-loop.c