2011-08-18 Paolo Carlini <paolo.carlini@oracle.com>

2011-08-18  Paolo Carlini  <paolo.carlini@oracle.com>
	    Joseph Myers  <joseph@codesourcery.com>

	PR tree-optimization/49963
	* hwint.c (absu_hwi): Define.
	* hwint.h (absu_hwi): Declare.
	* fold-const.c (fold_plusminus_mult_expr): Use absu_hwi instead
	of abs_hwi.
	* tree-ssa-math-opts.c (gimple_expand_builtin_pow): Likewise.
	* tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@177848 138bc75d-0d04-0410-961f-82ee72b054a4