[Bug tree-optimization/50413] [4.6/4.7 Regression] Incorrect instruction is used to shift value of 128 bit xmm0 registrer

[irar at gcc dot gnu.org]

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