[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 #15 from irar at gcc dot gnu.org 2011-09-25 09:26:03 UTC ---
Author: irar
Date: Sun Sep 25 09:25:59 2011
New Revision: 179162

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179162
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:
    branches/gcc-4_6-branch/gcc/testsuite/g++.dg/vect/slp-pr50413.cc
Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_6-branch/gcc/testsuite/g++.dg/vect/vect.exp
    branches/gcc-4_6-branch/gcc/tree-vect-data-refs.c