[Bug tree-optimization/63302] [4.9 Regression] Code with 64-bit long long constants is miscompiled on 32-bit host

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63302

--- Comment #23 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Oct 17 10:50:16 2014
New Revision: 216391

URL: https://gcc.gnu.org/viewcvs?rev=216391&root=gcc&view=rev
Log:
    PR tree-optimization/63302
    * tree-ssa-reassoc.c (optimize_range_tests_xor,
    optimize_range_tests_diff): Use !integer_pow2p () instead of
    tree_log2 () < 0.

    * gcc.c-torture/execute/pr63302.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr63302.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-reassoc.c