[Bug rtl-optimization/64557] get_addr in true_dependence_1 cannot handle VALUE inside an expr

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64557

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Feb 11 09:23:06 2016
New Revision: 233331

URL: https://gcc.gnu.org/viewcvs?rev=233331&root=gcc&view=rev
Log:
        Backported from mainline
        2016-01-19  Jakub Jelinek  <ja...@redhat.com>

        PR rtl-optimization/68955
        PR rtl-optimization/64557
        * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
        here.  Fix up formatting.
        * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.

        * gcc.dg/torture/pr68955.c: New test.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr68955.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/alias.c
    branches/gcc-4_9-branch/gcc/dse.c
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog