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r187280 - in /trunk/gcc: ChangeLog fold-const.c...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 08 May 2012 12:50:19 -0000
- Subject: r187280 - in /trunk/gcc: ChangeLog fold-const.c...
Author: rguenth
Date: Tue May 8 12:50:18 2012
New Revision: 187280
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187280
Log:
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.
Added:
trunk/gcc/testsuite/gcc.dg/fold-bitand-4.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog