[Bug tree-optimization/43846] [4.5 Regression] array vs members, total scalarization issues

["jamborm at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #6 from jamborm at gcc dot gnu dot org  2010-04-28 13:10 -------
Subject: Bug 43846

Author: jamborm
Date: Wed Apr 28 13:09:56 2010
New Revision: 158826

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158826
Log:
2010-04-28  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43846
        * tree-sra.c (struct access): New flag grp_assignment_read.
        (build_accesses_from_assign): Set grp_assignment_read.
        (sort_and_splice_var_accesses): Propagate grp_assignment_read.
        (enum mark_read_status): New type.
        (analyze_access_subtree): Propagate grp_assignment_read, create
        accesses also if both direct_read and root->grp_assignment_read.

        * testsuite/gcc.dg/tree-ssa/sra-10.c: New test.


Added:
    branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/tree-ssa/sra-10.c
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_5-branch/gcc/tree-sra.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43846