[Bug target/57796] AVX2 gather vectorization: code bloat and reduction of performance

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57796

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Apr 20 14:26:26 2017
New Revision: 247026

URL: https://gcc.gnu.org/viewcvs?rev=247026&root=gcc&view=rev
Log:
2017-04-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/57796
        * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
        as N scalar stores.
        (vect_model_load_cost): Cost gathers as N scalar loads.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vect-stmts.c