[Bug tree-optimization/49483] unable to vectorize code equivalent to "scalbnf"

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49483

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-06-21 
11:02:42 UTC ---
Author: rguenth
Date: Tue Jun 21 11:02:38 2011
New Revision: 175252

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175252
Log:
2011-06-21  Richard Guenther  <rguent...@suse.de>

    PR tree-optimization/49483
    * tree-vect-stmts.c (vectorizable_assignment): Also handle
    VIEW_CONVERT_EXPR conversions.

    * gcc.dg/vect/vect-120.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/vect-120.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-stmts.c