i386.c (SAVE_REGS_FIRST): Remove.

        * i386.c (SAVE_REGS_FIRST): Remove.
        (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
        (ix86_compute_frame_size): Likewise.
        (ix86_expand_prologue): Likewise.  Use pro_epilogue_adjust_stack.
        (ix86_emit_restore_regs): Remove.
        (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
        when a frame pointer is in use.
        (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode.  Use mov
        instead of pop to restore a register when profitable; emit leave
        when profitable.
        (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
        as a TYPE_LEA insn.
        (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
        * i386.md (prologue_allocate_stack): Remove.
        (epilogue_deallocate_stack): Remove.
        (pro_epilogue_adjust_stack): New.

Co-Authored-By: Richard Henderson <rth@cygnus.com>

From-SVN: r31792