Module: YTLJit::VM::ArithmeticOperationUtil

Includes:
AbsArch
Included in:
Node::SendAndNode, Node::SendDivNode, Node::SendGtGtNode, Node::SendLtLtNode, Node::SendMinusNode, Node::SendModNode, Node::SendMultNode, Node::SendPlusNode
Defined in:
lib/ytljit/vm_inline_method.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

#gen_arithmetic_operation(context, inst, tempreg, resreg) ⇒ Object 



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# File 'lib/ytljit/vm_inline_method.rb', line 91

def gen_arithmetic_operation(context, inst, tempreg, resreg)
  context.start_using_reg(tempreg)
  context = gen_eval_self(context)
  context.ret_node.type = nil
  rtype = context.ret_node.decide_type_once(context.to_signature)
  context = rtype.gen_unboxing(context)
  gen_inst_with_conversion(context, tempreg, :mov)
  context.set_reg_content(tempreg, context.ret_node)
  
  # @argunents[1] is block
  # @argunents[2] is self
  # @arguments[3] is other
  aele = @arguments[3]
  context = aele.compile(context)
  context.ret_node.type = nil
  rtype = context.ret_node.decide_type_once(context.to_signature)
  context = rtype.gen_unboxing(context)

  if block_given? then
    yield(context)
  else
    # default code
    gen_inst_with_conversion(context, tempreg, inst)
    asm = context.assembler
    asm.with_retry do
      asm.mov(resreg, tempreg)
    end
  end

  context.end_using_reg(tempreg)

  context.ret_node = self
  context.ret_reg = resreg
  
  decide_type_once(context.to_signature)
  if @type.boxed then
    context = @type.to_unbox.gen_boxing(context)
  end
  
  context
end

#gen_inst_with_conversion(context, dst, inst) ⇒ Object

def decide_type_core_local(tlist, sig, local_cache = {})

  tlist = tlist.select {|e| e.class != RubyType::DefaultType0 }
  if tlist.size < 2 then
    return decide_type_core(tlist, local_cache)
  end
  aele = @arguments[3].decide_type_once(sig)
  if tlist.include?(aele) then
    aele
  else
    RubyType::DefaultType0.new
  end
end

def decide_type_once(sig, local_cache = {})
  if local_cache[self] then
    return local_cache[self] 
  end

  if @type.equal?(nil) or @type.is_a?(RubyType::DefaultType0) then
    tlist = type_list(sig).flatten.uniq
    @type = decide_type_core_local(tlist, sig, local_cache)
  else
    @type
  end

  @type
end



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# File 'lib/ytljit/vm_inline_method.rb', line 35

def gen_inst_with_conversion(context, dst, inst)
  asm = context.assembler
  src = context.ret_reg
  if dst.is_a?(OpRegXMM) then
    # Float
    if src.is_a?(OpRegistor) and
        !src.is_a?(OpRegXMM) then
      asm.with_retry do
        asm.cvtsi2sd(XMM0, src)
      end
      context.end_using_reg(src)
      asm.with_retry do
        asm.send(inst, dst, XMM0)
      end
    elsif src.using(dst) then
      asm.with_retry do
        asm.mov(XMM0, src)
      end
      context.end_using_reg(src)
      asm.with_retry do
        asm.send(inst, dst, XMM0)
      end
    elsif src.is_a?(OpImmidiateMachineWord) then
      asm.with_retry do
        asm.mov(TMPR, src)
      end
      context.end_using_reg(src)
      asm.with_retry do
        asm.cvtsi2sd(XMM0, TMPR)
        asm.send(inst, dst, XMM0)
      end
    else
      asm.with_retry do
        asm.send(inst, dst, src)
      end
      context.end_using_reg(src)
    end
  else
    # Fixnum
    if src.using(dst) then
      asm.with_retry do
        asm.mov(TMPR, src)
      end
      context.end_using_reg(src)
      asm.with_retry do
        asm.send(inst, dst, TMPR)
      end
    else
      asm.with_retry do
        asm.send(inst, dst, src)
      end
      context.end_using_reg(src)
    end
  end
end