* i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
(FIXED_REGISTERS, CALL_USED_REGISTERS,
REG_ALLOC_ORDER): Add frame pointer
(FRAME_POINTER_REGNUM): Set to 20
(HARD_FRAME_POINTER_REGNUM): New macro.
(ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
to HARD_FRAME_POINTER.
(REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
(REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
(REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
(HI_REGISTER_NAMES): Add "frame".
(CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
(debug_reg): Handle FRAME_POINTER_REGNUM.
(reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
GENERAL_REGS and INDEX_REGS.
* i386.c (SAVED_REGS_FIRST): new macro.
(AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
(ix86_decompose_address, memory_address_length): Likewise.
(regclass_map): Add frame pointer.
(call_insn_operand): Handle frame_pointer_rtx.
(reg_no_sp_operand): Likewise.
(ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
(print_operand, legitimize_pic_address): Fix formating.
(ix86_compute_frame_size): Make static, update prototype, new
parameters padding1, padding2, use ix86_nsaved_regs, use
stack_alignment_needed.
(ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
to HARD_FRAME_POINTER_REGNUM conversions.
(ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
(ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
(print_reg): Abort on FRAME_POINTER_REGNUM
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31587
138bc75d-0d04-0410-961f-
82ee72b054a4