-fuse-caller-save - Enable for ARM

-fuse-caller-save - Enable for ARM

2014-06-18  Radovan Obradovic  <robradovic@mips.com>
            Tom de Vries  <tom@codesourcery.com>

	* config/arm/arm-protos.h (arm_emit_call_insn): Add bool parameter.
	* config/arm/arm.c (TARGET_CALL_FUSAGE_CONTAINS_NON_CALLEE_CLOBBERS):
	Redefine to true.
	(arm_emit_call_insn): Add and use sibcall parameter.  Add IP and CC
	clobbers to CALL_INSN_FUNCTION_USAGE.
	(define_expand "sibcall_internal")
	(define_expand "sibcall_value_internal"): New.
	(define_expand "call", define_expand "call_value"): Add argument to
	arm_emit_call_insn.
	(define_expand "sibcall"): Use sibcall_internal and arm_emit_call_insn.
	(define_expand "sibcall_value"): Use sibcall_value_internal and
	arm_emit_call_insn.

	* gcc.target/arm/fuse-caller-save.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211798 138bc75d-0d04-0410-961f-82ee72b054a4