Revert commit 216002 which introduced a regression.

Revert commit 216002 which introduced a regression.

2014-10-10  Yvan Roux  <yvan.roux@linaro.org>

	Revert:
	2014-10-08  Yvan Roux  <yvan.roux@linaro.org>

	Backport from trunk r215206, r215207, r215208.
	2014-09-12  Wilco Dijkstra  <wilco.dijkstra@arm.com>

	* gcc/config/aarch64/aarch64.c (cortexa57_regmove_cost): New cost table
	for A57.
	(cortexa53_regmove_cost): New cost table for A53.  Increase GP2FP/FP2GP
	cost to spilling from integer to FP registers.

	2014-09-12  Wilco Dijkstra  <wilco.dijkstra@arm.com>

	* config/aarch64/aarch64.c (aarch64_register_move_cost): Fix Q register
	move handling.
	(generic_regmove_cost): Undo raised FP2FP move cost as Q register moves
	are now handled correctly.

	2014-09-12  Wilco Dijkstra  <wilco.dijkstra@arm.com>

	* config/aarch64/aarch64.c (aarch64_register_move_cost): Add cost
	handling of CALLER_SAVE_REGS and POINTER_REGS.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/linaro/gcc-4_9-branch@216062 138bc75d-0d04-0410-961f-82ee72b054a4