r205712 - in /trunk/gcc: ChangeLog rtlanal.c te...

[belagod@gcc.gnu.org]

Author: belagod
Date: Thu Dec  5 17:24:52 2013
New Revision: 205712

URL: http://gcc.gnu.org/viewcvs?rev=205712&root=gcc&view=rev
Log:
Eliminate redundant vec_select moves.

gcc/
        * rtlanal.c (set_noop_p): Return nonzero in case of redundant vec_select for
        overlapping register lanes.

testsuite/
        * config/gcc.dg/vect/vect-nop-move.c: New.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/vect-nop-move.c   (with props)
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/rtlanal.c
    trunk/gcc/testsuite/ChangeLog

Propchange: trunk/gcc/testsuite/gcc.dg/vect/vect-nop-move.c
            ('svn:eol-style' added)

Propchange: trunk/gcc/testsuite/gcc.dg/vect/vect-nop-move.c
            ('svn:keywords' added)