[Bug tree-optimization/72517] [7 Regression] 436.cactusADM: More than 40% regression in O3 and Ofast on AMD bdver4 m/c.

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72517

--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jul 27 11:10:25 2016
New Revision: 238783

URL: https://gcc.gnu.org/viewcvs?rev=238783&root=gcc&view=rev
Log:
2016-07-27  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/72517
        * tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
        Revert change to not compute read-read dependences.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vect-data-refs.c