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Commit ad9fc55a authored by Richard Guenther's avatar Richard Guenther Committed by Richard Biener
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fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2 to zero or to (X * CST1) & CST2' when... 

2012-05-08  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
	to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.

	* gcc.dg/fold-bitand-4.c: New testcase.

From-SVN: r187280
parent 04d170d2
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