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

[jakub at gcc dot gnu.org]

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

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Aug  3 09:41:55 2017
New Revision: 250849

URL: https://gcc.gnu.org/viewcvs?rev=250849&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:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-reassoc.c