[Bug tree-optimization/64829] [ARM] ICE at -O3 in vect_get_vec_def_for_stmt_copy

["rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64829

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Jan 30 09:22:17 2015
New Revision: 220275

URL: https://gcc.gnu.org/viewcvs?rev=220275&root=gcc&view=rev
Log:
2015-01-30  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/64829
    * tree-vect-patterns.c (vect_handle_widen_op_by_const): Do
    not add a widening conversion pattern but hand off extra
    widenings to callers.
    (vect_recog_widen_mult_pattern): Handle extra widening produced
    by vect_handle_widen_op_by_const.
    (vect_recog_widen_shift_pattern): Likewise.
    (vect_pattern_recog_1): Remove excess vertical space in dumping.
    * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized): Likewise.
    (vect_init_vector_1): Likewise.
    (vect_get_vec_def_for_operand): Likewise.
    (vect_finish_stmt_generation): Likewise.
    (vectorizable_load): Likewise.
    (vect_analyze_stmt): Likewise.
    (vect_is_simple_use): Likewise.

    * gcc.dg/vect/pr64829.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr64829.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-patterns.c
    trunk/gcc/tree-vect-stmts.c