[Bug target/60451] X86 vectorization improve: pack instead of pshufb

[ienkovich at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60451

--- Comment #2 from ienkovich at gcc dot gnu.org ---
Author: ienkovich
Date: Fri Nov 21 11:13:37 2014
New Revision: 217913

URL: https://gcc.gnu.org/viewcvs?rev=217913&root=gcc&view=rev
Log:
gcc/testsuite

    PR target/60451
    * gcc.target/i386/pr60451.c: New.

gcc/
    PR target/60451
    * config/i386/i386.c (expand_vec_perm_even_odd_pack): New.
    (expand_vec_perm_even_odd_1): Add new expand for V8HI mode,
    replace for V16QI, V16HI and V32QI modes.
    (ix86_expand_vec_perm_const_1): Add new expand.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr60451.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog