GCC build failure, HEAD@182192 on native

[GCC regression tester <regress at geoffk dot org>]

With your recent patch, GCC HEAD revision 182192 had problems on:
native: build (about the same as the previous build)
Attached is build output for those targets.
The previous build was of revision 182190.

Log information for changes since the last build:
------------------------------------------------------------------------
r182191 | rth | 2011-12-10 12:42:55 -0800 (Sat, 10 Dec 2011) | 10 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/config/i386/i386.c
   M /trunk/gcc/genmodes.c
   M /trunk/gcc/machmode.h

Let GET_MODE_2XWIDER_MODE find a double-width vector mode.

        * genmodes.c (struct mode_data): Remove wider_2x member.
        (blank_mode): Adjust initializer.
        (calc_wider_mode): Use XALLOCAVEC.
        (emit_move_wider): Select double-width same-element vectors for
        2xwider vectors.
        * machmode.h (GET_MODE_2XWIDER_MODE): Update documentation.
        * config/i386/i386.c (doublesize_vector_mode): Remove.
        (expand_vselect_vconcat): Use GET_MODE_2XWIDER_MODE instead.
------------------------------------------------------------------------
r182192 | rth | 2011-12-10 12:43:03 -0800 (Sat, 10 Dec 2011) | 5 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/expr.c
   M /trunk/gcc/optabs.c

Force the creation of a CONST_VECTOR for expand_vec_perm.

        * expr.c (expand_expr_real_2) [VEC_PERM_EXPR]: Avoid passing a
        CONST_INT to expand_vec_perm as the selector.
        * optabs.c (expand_vec_perm): Assert the selector is of a proper mode.
------------------------------------------------------------------------

For more information, see <http://glutton.geoffk.org/HEAD/>.

Attachment: native-log.txt
Description: Text document

-- 
Geoffrey Keating <geoffk@geoffk.org> 
(via an automated GCC regression-testing script.)