2007-10-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/33693
	PR middle-end/33695
	PR middle-end/33697
	* fold-const.c (fold_binary): Use correct types in folding
	of a * (1 << b) to (a << b).  Likewise for ~A & ~B to ~(A | B)
	and building of RROTATE_EXPR.

	* gcc.dg/pr33693.c: New testcase.
	* gcc.dg/pr33695.c: Likewise.
	* gcc.dg/pr33697.c: Likewise.

From-SVN: r129130