[Bug tree-optimization/15419] memcpy pessimization

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15419

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-05-23 
12:03:21 UTC ---
Author: rguenth
Date: Mon May 23 12:03:19 2011
New Revision: 174065

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174065
Log:
2011-05-23  Richard Guenther  <rguent...@suse.de>

    PR middle-end/15419
    * builtins.c (fold_builtin_memory_op): Be less restrictive about
    what pointer types we accept for folding.

    * gcc.dg/memcpy-3.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/memcpy-3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/testsuite/ChangeLog