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[Bug tree-optimization/49542] [4.7 regression] 2 failures in the vectorization testsuite in 64-bit mode
- From: "irar at il dot ibm.com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 6 Jul 2011 06:20:51 +0000
- Subject: [Bug tree-optimization/49542] [4.7 regression] 2 failures in the vectorization testsuite in 64-bit mode
- Auto-submitted: auto-generated
- References: <bug-49542-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49542
--- Comment #4 from Ira Rosen <irar at il dot ibm.com> 2011-07-06 06:20:06 UTC ---
In that case they should fail. The vf in 4.7 is correct. In 4.6 it is updated
after stmts analysis, which may cause inconsistency. This patch
http://gcc.gnu.org/ml/gcc-patches/2011-04/msg02210.html fixed this by moving vf
update before the analysis.