Class: YTLJit::VM::Node::CRubyInstanceVarRefNode

Inherits:
InstanceVarRefNode show all
Includes:
TypeListWithoutSignature
Defined in:
lib/ytljit/vm_cruby_obj.rb

Constant Summary

Constants included from AbsArch

AbsArch::AL, AbsArch::BL, AbsArch::CL, AbsArch::DL, AbsArch::FUNC_ARG, AbsArch::FUNC_ARG_YTL, AbsArch::FUNC_FLOAT_ARG, AbsArch::FUNC_FLOAT_ARG_YTL, AbsArch::INDIRECT_BPR, AbsArch::INDIRECT_RETR, AbsArch::INDIRECT_SPR, AbsArch::INDIRECT_TMPR, AbsArch::INDIRECT_TMPR2, AbsArch::INDIRECT_TMPR3

Constants included from SSE

SSE::XMM0, SSE::XMM1, SSE::XMM2, SSE::XMM3, SSE::XMM4, SSE::XMM5, SSE::XMM6, SSE::XMM7

Instance Attribute Summary

Attributes inherited from BaseNode

#code_space, #element_node_list, #id, #parent, #ti_observee, #ti_observer, #type

Instance Method Summary collapse

Methods included from TypeListWithoutSignature

#add_type, #set_type_list, #type_list, #type_list_initvar

Methods inherited from InstanceVarRefNode

#collect_candidate_type, #collect_info, #compile

Methods included from NodeUtil

#search_class_top, #search_end, #search_frame_info, #search_top

Methods inherited from BaseNode

#add_element_node, #collect_candidate_type, #collect_info, #compile, #decide_type, #decide_type_core, #decide_type_once, #gen_type_inference_proc, #get_constant_value, #inference_type, #merge_type, #same_type, #ti_add_observer, #ti_changed, #ti_del_link, #ti_reset, #ti_update

Methods included from TypeListWithSignature

#add_type, #set_type_list, #type_list, #type_list_initvar

Methods included from Inspect

#inspect_by_graph

Constructor Details

#initialize(parent, name) ⇒ CRubyInstanceVarRefNode

Returns a new instance of CRubyInstanceVarRefNode.



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# File 'lib/ytljit/vm_cruby_obj.rb', line 7

def initialize(parent, name)
  super
  @current_frame_info = search_frame_info
end

Instance Method Details

#compile_main(context) ⇒ Object 



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# File 'lib/ytljit/vm_cruby_obj.rb', line 12

def compile_main(context)
  slfoff = @current_frame_info.offset_arg(2, BPR)
  ivid = ((@name.object_id << 1) / InternalRubyType::RObject.size)
  ivarget = OpMemAddress.new(address_of("rb_ivar_get"))
  context.start_using_reg(FUNC_ARG[0])
  context.start_using_reg(FUNC_ARG[1])
  asm = context.assembler
  asm.with_retry do
    asm.mov(FUNC_ARG[0], slfoff)
    asm.mov(FUNC_ARG[1], ivid)
    asm.call_with_arg(ivarget, 2)
  end
  context.end_using_reg(FUNC_ARG[1])
  context.end_using_reg(FUNC_ARG[0])
  
  context.ret_reg = RETR
  context.ret_node = self
  context
end