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[Bug tree-optimization/69848] poor vectorization of a loop from SPEC2006 464.h264ref
- 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: Fri, 12 Aug 2016 14:58:52 +0000
- Subject: [Bug tree-optimization/69848] poor vectorization of a loop from SPEC2006 464.h264ref
- Authentication-results: sourceware.org; auth=none
- Auto-submitted: auto-generated
- References: <bug-69848-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69848
--- Comment #15 from amker at gcc dot gnu.org ---
Author: amker
Date: Fri Aug 12 14:58:20 2016
New Revision: 239416
URL: https://gcc.gnu.org/viewcvs?rev=239416&root=gcc&view=rev
Log:
PR tree-optimization/69848
* tree-vectorizer.h (enum vect_def_type): New condition reduction
type CONST_COND_REDUCTION.
* tree-vect-loop.c (vectorizable_reduction): Support new condition
reudction type CONST_COND_REDUCTION.
gcc/testsuite
PR tree-optimization/69848
* gcc.dg/vect/vect-pr69848.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/vect/vect-pr69848.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-loop.c
trunk/gcc/tree-vectorizer.h