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r144882 - in /branches/no-undefined-overflow/gc...


Author: rguenth
Date: Mon Mar 16 14:10:37 2009
New Revision: 144882

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=144882
Log:
2009-03-16  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (fold_binary): Fold (T1)X +- (T1)Y to (T1)(X +- Y)
	if the cast is only a sign change.

Modified:
    branches/no-undefined-overflow/gcc/ChangeLog.overflow
    branches/no-undefined-overflow/gcc/fold-const.c


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