gcc/

	gcc/
	Backport from trunk r238712.
	2016-07-25  Jiong Wang  <jiong.wang@arm.com>

	* config/aarch64/aarch64.c (aarch64_add_constant): New parameter "mode".
	Use aarch64_internal_mov_immediate instead of aarch64_build_constant.
	(aarch64_output_mi_thunk): Pass Pmode when calling aarch64_add_constant.
	(aarch64_build_constant): Delete.

	gcc/
	Backport from trunk r238713.
	2016-07-25  Jiong Wang  <jiong.wang@arm.com>

	* config/aarch64/aarch64.c (aarch64_add_constant): Optimize instruction
	sequences.

	gcc/
	Backport from trunk r238714.
	2016-07-25  Jiong Wang  <jiong.wang@arm.com>

	* config/aarch64/aarch64.c (aarch64_add_constant): New parameter
	"frame_related_p".  Generate CFA annotation when it's necessary.
	(aarch64_expand_prologue): Use aarch64_add_constant.
	(aarch64_expand_epilogue): Likewise.
	(aarch64_output_mi_thunk): Pass "false" when calling
	aarch64_add_constant.

Change-Id: Ia3b32d4fb5fa8f322bf579f1ee753c78ece429d8