[Bug tree-optimization/37991] [4.4 Regression] excessive memory consumption - possible hang

[rguenth at gcc dot gnu dot org]

------- Comment #7 from rguenth at gcc dot gnu dot org  2008-11-02 13:36 -------
Subject: Bug 37991

Author: rguenth
Date: Sun Nov  2 13:34:58 2008
New Revision: 141532

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141532
Log:
2008-11-02  Richard Guenther  <[EMAIL PROTECTED]>

        PR tree-optimization/37991
        * tree-ssa-sccvn.h (copy_vuses_from_stmt): Remove.
        * tree-ssa-sccvn.c (copy_vuses_from_stmt): Make static.
        (set_ssa_val_to): Print if the value changed.
        (simplify_binary_expression): Strip useless conversions.

        * gcc.c-torture/compile/pr37991.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr37991.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c
    trunk/gcc/tree-ssa-sccvn.h


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37991