[Bug tree-optimization/71347] [7 regression] Performance drop after r235513 on x86-64 in 32-bit mode.

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71347

--- Comment #3 from amker at gcc dot gnu.org ---
Author: amker
Date: Fri Jun 17 09:26:05 2016
New Revision: 237552

URL: https://gcc.gnu.org/viewcvs?rev=237552&root=gcc&view=rev
Log:
        PR tree-optimization/71347
        * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
        cost for all uses in group.

        PR tree-optimization/71347
        * gcc.dg/tree-ssa/pr71347.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr71347.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-ivopts.c