r217550 - in /trunk/gcc: ChangeLog doc/md.texi ...

Fri Nov 14 10:48:00 GMT 2014

Author: alalaw01
Date: Fri Nov 14 10:48:34 2014
New Revision: 217550

URL: https://gcc.gnu.org/viewcvs?rev=217550&root=gcc&view=rev
Log:
[Vectorizer]Make reductions-via-shifts and vec_shr_optab endianness-neutral

        * optabs.c (shift_amt_for_vec_perm_mask): Remove code conditional on
        BYTES_BIG_ENDIAN.
        * tree-vect-loop.c (calc_vec_perm_mask_for_shift,
        vect_create_epilog_for_reduction): Likewise.
        * doc/md.texi (vec_shr_m): Clarify direction of shifting.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/doc/md.texi
    trunk/gcc/optabs.c
    trunk/gcc/tree-vect-loop.c