[Bug tree-optimization/50208] [4.7 Regression] ICE: in vinfo_for_stmt at tree-vectorizer.h:598 with -ftree-vectorize -fno-tree-fre -fno-tree-pre

[irar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50208

--- Comment #5 from irar at gcc dot gnu.org 2011-09-04 09:22:42 UTC ---
Author: irar
Date: Sun Sep  4 09:22:38 2011
New Revision: 178508

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178508
Log:

        PR tree-optimization/50208
        * tree-vect-patterns.c (vect_handle_widen_mult_by_const): Add an
        argument.  Check that def_stmt is inside the loop.
        (vect_recog_widen_mult_pattern): Update calls to
        vect_handle_widen_mult_by_cons.
        (vect_operation_fits_smaller_type): Check that def_stmt is
        inside the loop.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/no-fre-pre-pr50208.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/vect/vect.exp
    trunk/gcc/tree-vect-patterns.c