Module: YTLJit::VM::Node::SendUtil

Includes:
AbsArch
Included in:
SendCompareNode, SendDivNode, SendElementAssignNode, SendElementRefNode, SendMathFuncNode, SendMinusNode, SendMultNode, SendNode, SendPlusNode, YieldNode
Defined in:
lib/ytljit/vm.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 Method Summary collapse

Instance Method Details

#compile_c_fixarg(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 556

def compile_c_fixarg(context)
  fnc = nil
  numarg = @arguments.size - 2
  
  numarg.times do |i|
    context.start_using_reg(FUNC_ARG[i])
  end
  context.cpustack_pushn(numarg * AsmType::MACHINE_WORD.size)
  
  argpos = 0
  cursrc = 0
  @arguments.each do |arg|
    # skip prevenv and block_argument
    if cursrc < 2 then
      cursrc = cursrc + 1
      next
    end
    
    if cursrc == 2 then
      # Self
      # Method Select
      # it is legal. use TMPR2 for method select
      # use TMPR3 for store self
      context = @func.compile(context)
      fnc = context.ret_reg
      casm = context.assembler
      casm.with_retry do 
        casm.mov(FUNC_ARG[0], context.ret_reg2)
      end
      context.set_reg_content(FUNC_ARG[0], context.ret_node)
    else
      # other arg.
      context = arg.compile(context)
      context.ret_node.decide_type_once(context.to_signature)
      rtype = context.ret_node.type
      context = rtype.gen_boxing(context)
      casm = context.assembler
      casm.with_retry do 
        casm.mov(FUNC_ARG[argpos], context.ret_reg)
      end
      context.set_reg_content(FUNC_ARG[argpos], context.ret_node)
    end
    argpos = argpos + 1
    cursrc = cursrc + 1
  end
  
  context = gen_call(context, fnc, numarg)
  
  context.cpustack_popn(numarg * AsmType::MACHINE_WORD.size)
  numarg.times do |i|
    context.end_using_reg(FUNC_ARG[numarg - i - 1])
  end
  context.end_using_reg(fnc)
  context.ret_reg = RETR
  
  decide_type_once(context.to_signature)
  if !@type.boxed then 
    context = @type.to_box.gen_unboxing(context)
  end
  
  context
end

#compile_c_vararg(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 509

def compile_c_vararg(context)
  fnc = nil
  context.start_using_reg(TMPR2)
  
  context = gen_make_argv(context) do |context, rarg|
    context.start_using_reg(FUNC_ARG[0])
    context.start_using_reg(FUNC_ARG[1])
    context.start_using_reg(FUNC_ARG[2])
    
    context.cpustack_pushn(3 * AsmType::MACHINE_WORD.size)
    casm = context.assembler
    casm.with_retry do 
      casm.mov(FUNC_ARG[0], rarg.size) # argc
      casm.mov(FUNC_ARG[1], TMPR2)     # argv
    end
    context.set_reg_content(FUNC_ARG[0], nil)
    context.set_reg_content(FUNC_ARG[1], TMPR2)

    # Method Select
    # it is legal. use TMPR2 for method select
    # use TMPR3 for store self
    context = @func.compile(context)
    fnc = context.ret_reg
    casm.with_retry do 
      casm.mov(FUNC_ARG[2], context.ret_reg2)     # self
    end
    context.set_reg_content(FUNC_ARG[2], context.ret_node)
    
    context = gen_call(context, fnc, 3)
    context.cpustack_popn(3 * AsmType::MACHINE_WORD.size)
    
    context.end_using_reg(FUNC_ARG[2])
    context.end_using_reg(FUNC_ARG[1])
    context.end_using_reg(FUNC_ARG[0])
    context.end_using_reg(TMPR2)
    context.ret_reg = RETR
    context.ret_node = self
    
    decide_type_once(context.to_signature)
    if !@type.boxed then 
      context = @type.to_box.gen_unboxing(context)
    end
    
    context
  end
end

#compile_ytl(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 619

def compile_ytl(context)
  fnc = nil
  numarg = @arguments.size
  
  numarg.times do |i|
    context.start_using_reg(FUNC_ARG_YTL[i])
  end
  context.cpustack_pushn(numarg * 8)
  
  # push prev env
  casm = context.assembler
  if @func.is_a?(YieldNode) then
    prevenv = @frame_info.offset_arg(0, BPR)
    casm.with_retry do 
      casm.mov(TMPR, prevenv)
      casm.mov(FUNC_ARG_YTL[0], TMPR)
    end
    context.set_reg_content(FUNC_ARG_YTL[0], prevenv)
  else
    casm.with_retry do 
      casm.mov(FUNC_ARG_YTL[0], BPR)
    end
    context.set_reg_content(FUNC_ARG_YTL[0], BPR)
  end
  
  # block
  # eval block
  # local block
  
  # compile block with other code space and context
  tcontext = context.dup
  @arguments[1].compile(tcontext)
  
  casm = context.assembler

  # other arguments
  @arguments[3..-1].each_with_index do |arg, i|
    context = arg.compile(context)
    casm = context.assembler
    casm.with_retry do 
      casm.mov(FUNC_ARG_YTL[i + 3], context.ret_reg)
    end
    context.set_reg_content(FUNC_ARG_YTL[i + 3], context.ret_node)
  end
  
  casm.with_retry do 
    entry = @arguments[1].code_space.var_base_immidiate_address
    casm.mov(FUNC_ARG_YTL[1], entry)
  end
  context.set_reg_content(FUNC_ARG_YTL[1], nil)

  # self
  # Method Select
  # it is legal. use TMPR2 for method select
  # use TMPR3 for store self
  context = @func.compile(context)
  fnc = context.ret_reg
  casm = context.assembler
  casm.with_retry do 
    casm.mov(FUNC_ARG_YTL[2], context.ret_reg2)
  end
  context.set_reg_content(FUNC_ARG_YTL[2], @arguments[2])

  context = gen_call(context, fnc, numarg)
  
  context.cpustack_popn(numarg * 8)
  numarg.size.times do |i|
    context.end_using_reg(FUNC_ARG_YTL[numarg - i])
  end
  context.end_using_reg(fnc)
  context
end

#gen_eval_self(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 467

def gen_eval_self(context)
  # eval 1st arg(self)
  slfnode = @arguments[2]
  context = slfnode.compile(context)
  
  context.ret_node.decide_type_once(context.to_signature)
  rtype = context.ret_node.type
  if !rtype.boxed then
    context = rtype.gen_unboxing(context)
  end
  context
end

#signature(context, args = @arguments) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 480

def signature(context, args = @arguments)
  res = []
  cursig = context.to_signature
  args[0].decide_type_once(cursig)
  res.push args[0].type

  mt, slf = get_send_method_node(cursig)
  if mt and (ynode = mt.yield_node[0]) then
    context.push_signature(args, mt)
    args[1].type = nil
    args[1].decide_type_once(ynode.signature(context))
    res.push args[1].type
    context.pop_signature
  else
    args[1].decide_type_once(cursig)
    res.push args[1].type
    args[2].decide_type_once(cursig)
    slf = args[2].type
  end
  res.push slf

  args[3..-1].each do |ele|
    ele.decide_type_once(cursig)
    res.push ele.type
  end

  res
end