GitLab

	(avr_incoming_return_addr_rtx): New.
	(emit_push_byte): New.
	(expand_prologue): Use it.  Remove incorrect dwarf annotation for
	SREG, RAMPZ, zero register.  Push frame pointer by bytes.  Add dwarf
	annotation for __prologue_saves__.  Fixup dwarf annotation for CFA.
	(emit_pop_byte): New.
	(expand_epilogue): Use it.  Pop frame pointer by bytes.
	* config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Remove.
	(INCOMING_RETURN_ADDR_RTX): New.
	(INCOMING_FRAME_SP_OFFSET): New.
	(ARG_POINTER_CFA_OFFSET): New.
	* config/avr/avr.md (*pushqi): Fix mode of auto-inc.
	(*pushhi, *pushsi, *pushsf, popqi): Likewise.
	(pophi): Remove.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171295 138bc75d-0d04-0410-961f-82ee72b054a4