[Bug middle-end/21602] builtin memmove could be memcpy if src and dst don't alias

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2010-08-30 13:46 -------
Subject: Bug 21602

Author: rguenth
Date: Mon Aug 30 13:46:31 2010
New Revision: 163646

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163646
Log:
2010-08-30  Richard Guenther  <rguent...@suse.de>

        PR tree-optimization/21602
        * builtins.c (fold_builtin_memory_op): Fold memmove to memcpy
        using points-to information.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21602