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[Bug tree-optimization/50413] [4.6/4.7 Regression] Incorrect instruction is used to shift value of 128 bit xmm0 registrer
- 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: Mon, 19 Sep 2011 11:46:05 +0000
- Subject: [Bug tree-optimization/50413] [4.6/4.7 Regression] Incorrect instruction is used to shift value of 128 bit xmm0 registrer
- Auto-submitted: auto-generated
- References: <bug-50413-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50413
--- Comment #8 from irar at gcc dot gnu.org 2011-09-19 11:46:05 UTC ---
Author: irar
Date: Mon Sep 19 11:46:00 2011
New Revision: 178968
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178968
Log:
PR tree-optimization/50413
* tree-vect-data-refs.c (vect_analyze_data_refs): Fail to
vectorize a basic block if one of its data-refs can't be
analyzed.
Added:
trunk/gcc/testsuite/g++.dg/vect/slp-pr50413.cc
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/g++.dg/vect/vect.exp
trunk/gcc/tree-vect-data-refs.c