2017-08-08  Tamar Christina  <tamar.christina@arm.com>
	    Andrew Pinski <pinskia@gmail.com>

	PR middle-end/19706
	* internal-fn.def (XORSIGN): New.
	* optabs.def (xorsign_optab): New.
	* tree-ssa-math-opts.c (is_copysign_call_with_1): New.
	(convert_expand_mult_copysign): New.
	(pass_optimize_widening_mul::execute): Call convert_expand_mult_copysign.


Co-Authored-By: Andrew Pinski <pinskia@gmail.com>

From-SVN: r250956