[Bug target/63679] [5/6 Regression][AArch64] Failure to constant fold.

[alalaw01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63679

--- Comment #40 from alalaw01 at gcc dot gnu.org ---
Author: alalaw01
Date: Mon Jan 18 12:40:43 2016
New Revision: 232508

URL: https://gcc.gnu.org/viewcvs?rev=232508&root=gcc&view=rev
Log:
Equate MEM_REFs and ARRAY_REFs in tree-ssa-scopedtables.c

PR target/63679

gcc/:

        * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
        using get_ref_base_and_extent.
        (equal_mem_array_ref_p): New.
        (hashable_expr_equal_p): Add call to previous.

gcc/testsuite/:

        * gcc.dg/tree-ssa/ssa-dom-cse-5.c: New.
        * gcc.dg/tree-ssa/ssa-dom-cse-6.c: New.
        * gcc.dg/tree-ssa/ssa-dom-cse-7.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-5.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-6.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-7.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-scopedtables.c