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[Bug tree-optimization/52870] ICE during SLP pattern matching
- From: "uweigand at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 10 Apr 2012 10:56:17 +0000
- Subject: [Bug tree-optimization/52870] ICE during SLP pattern matching
- Auto-submitted: auto-generated
- References: <bug-52870-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52870
--- Comment #3 from Ulrich Weigand <uweigand at gcc dot gnu.org> 2012-04-10 10:56:17 UTC ---
Author: uweigand
Date: Tue Apr 10 10:56:11 2012
New Revision: 186272
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186272
Log:
gcc/
PR tree-optimization/52870
* tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
presumed pattern statement is within the same loop or basic block.
gcc/testsuite/
PR tree-optimization/52870
* gcc.dg/vect/pr52870.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/vect/pr52870.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-patterns.c