2013-07-03 Christophe Lyon <christophe.lyon@linaro.org>

2013-07-03  Christophe Lyon  <christophe.lyon@linaro.org>

	Revert backport from trunk r198928,198973,199203.
	gcc/
	2013-05-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/19599
	PR target/57340
	* config/arm/arm.c (any_sibcall_uses_r3): Rename to ..
	(any_sibcall_could_use_r3): this and handle indirect calls.
	(arm_get_frame_offsets): Rename use of any_sibcall_uses_r3.

	2013-05-16  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/19599
	* config/arm/arm.c (arm_function_ok_for_sibcall): Add check
	for NULL decl.

	2013-05-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/19599
	* config/arm/predicates.md (call_insn_operand): New predicate.
	* config/arm/constraints.md ("Cs", "Ss"):  New constraints.
	* config/arm/arm.md (*call_insn, *call_value_insn): Match only
	if insn is not a tail call.
	(*sibcall_insn, *sibcall_value_insn): Adjust for tailcalling through
	registers.
	* config/arm/arm.h (enum reg_class): New caller save register class.
	(REG_CLASS_NAMES): Likewise.
	(REG_CLASS_CONTENTS): Likewise.
	* config/arm/arm.c (arm_function_ok_for_sibcall): Allow tailcalling
	without decls.

	gcc/testsuite/
	2013-05-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/19599
	* gcc.target/arm/pr40887.c: Adjust testcase.
	* gcc.target/arm/pr19599.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/linaro@200692 138bc75d-0d04-0410-961f-82ee72b054a4