http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50887
--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-10-29 14:36:05 UTC --- Author: gjl Date: Sat Oct 29 14:35:59 2011 New Revision: 180654 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180654 Log: PR target/50887 * config/avr/avr.opt (-maccumulate-args): New option. * config/avr/avr.h (STARTING_FRAME_OFFSET): Redefine to avr_starting_frame_offset. (ACCUMULATE_OUTGOING_ARGS): Define to avr_accumulate_outgoing_args. * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): Remove. (UNSPECV_WRITE_SP_IRQ_OFF): Remove. (UNSPECV_WRITE_SP): New constant. (*addhi3_sp_R): Rewrite to... (*addhi3_sp): ...this new insn. (movhi_sp_r_irq_off, movhi_sp_r_irq_on): Combine to... (movhi_sp_r): ...this new insn. * config/avr/avr-protos.h (avr_accumulate_outgoing_args): New. (avr_starting_frame_offset): New. * config/avr/avr.c (avr_accumulate_outgoing_args): New function. (avr_starting_frame_offset): New function. (avr_outgoing_args_size): New static function. (avr_initial_elimination_offset): Use it. (avr_simple_epilogue): Use it. (avr_asm_function_end_prologue): Use it. (expand_epilogue): Use it. (expand_prologue): Use it. Break out code to... (avr_prologue_setup_frame): ...this new static function. (avr_can_eliminate): Allow eliminating to frame pointer if there is one. (avr_frame_pointer_required_p): Use frame pointer if target has a nonlocal label. * config/avr/constraints.md (R): Remove. (Csp): New constraint. * config/avr/predicates.md (avr_sp_immediate_operand): Use it. Modified: trunk/gcc/ChangeLog trunk/gcc/config/avr/avr-protos.h trunk/gcc/config/avr/avr.c trunk/gcc/config/avr/avr.h trunk/gcc/config/avr/avr.md trunk/gcc/config/avr/avr.opt trunk/gcc/config/avr/constraints.md trunk/gcc/config/avr/predicates.md
