[Bug tree-optimization/81655] [7/8 Regression] new test case gcc.dg/tree-ssa/pr81588.c fails on powerpc64

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81655

--- Comment #8 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Author: aldyh
Date: Wed Sep 13 16:25:00 2017
New Revision: 252273

URL: https://gcc.gnu.org/viewcvs?rev=252273&root=gcc&view=rev
Log:
        PR tree-optimization/81655
        PR tree-optimization/81588
        * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
        the case when ranges[i].low and high are 1 for unsigned type with
        precision 1.

Modified:
    branches/range-gen2/gcc/ChangeLog
    branches/range-gen2/gcc/tree-ssa-reassoc.c