Class: YTLJit::VM::Node::SendMathFuncNode

Inherits:
SendNode show all
Includes:
SendUtil
Defined in:
lib/ytljit/vm_sendnode.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

Constants inherited from BaseNode

BaseNode::ESCAPE_LEVEL

Instance Attribute Summary

Attributes inherited from SendNode

#arguments, #class_top, #current_exception_table, #frame_info, #func, #modified_instance_var, #modified_local_var, #next_node, #opt_flag, #result_cache, #seq_no, #yield_signature_cache

Attributes included from HaveChildlenMixin

#body

Attributes inherited from BaseNode

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

Instance Method Summary collapse

Methods included from SendUtil

#compile_c_fixarg, #compile_c_fixarg_raw, #compile_c_vararg, #compile_ytl, #gen_eval_self, #signature

Methods inherited from SendNode

add_special_send_node, #check_signature_changed, #collect_candidate_type, #collect_candidate_type_block, #collect_info, #fill_result_cache, #get_constant_value, get_macro_tab, #get_send_method_node, get_user_defined_method_tab, #inherit_from_callee, #initialize, macro_expand, make_send_node, node, #search_signature, #traverse_childlen, #traverse_node

Methods included from NodeUtil

#search_class_top, #search_end, #search_frame_info, #search_top

Methods included from SendNodeCodeGen

#gen_make_argv

Methods included from CommonCodeGen

#dump_context, #gen_alloca, #gen_call, #gen_save_thepr

Methods included from OptFlagOp

#is_args_blockarg, #is_args_splat, #is_fcall, #is_opt_send, #is_super, #is_tailcall, #is_tailrecursion, #is_vcall

Methods included from HaveChildlenMixin

#initialize, #traverse_childlen

Methods inherited from BaseNode

#add_element_node, #add_element_node_backward, #add_element_node_backward_aux, #collect_candidate_type, #collect_info, #decide_type, #decide_type_core, #decide_type_once, #gen_type_inference_proc, #get_constant_value, #inference_type, #initialize, #marge_element_node, #marge_type, #same_type, #search_valid_signature, #set_escape_node, #set_escape_node_backward, #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

This class inherits a constructor from YTLJit::VM::Node::SendNode

Instance Method Details

#collect_candidate_type_regident(context, slf) ⇒ Object 



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# File 'lib/ytljit/vm_sendnode.rb', line 2211

def collect_candidate_type_regident(context, slf)
  sig = context.to_signature
  floattype = RubyType::BaseType.from_ruby_class(Float)
  add_type(sig, floattype)
  context
end

#compile(context) ⇒ Object 



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# File 'lib/ytljit/vm_sendnode.rb', line 2252

def compile(context)
  @arguments[2].decide_type_once(context.to_signature)
  rtype = @arguments[2].type
  rrtype = rtype.ruby_type
  if rtype.ruby_type.is_a?(RubyType::DefaultType0) or
     @class_top.search_method_with_super(@func.name, rrtype)[0] then
    return super(context)
  end

  context = @arguments[2].compile(context)
  @arguments[3].decide_type_once(context.to_signature)
  rtype = @arguments[3].type
  context = @arguments[3].compile(context)
  context = rtype.gen_unboxing(context)
  context = compile_main(context)
  @body.compile(context)
end

#compile_call_func(context, fname) ⇒ Object 



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# File 'lib/ytljit/vm_sendnode.rb', line 2218

def compile_call_func(context, fname)
  addr = lambda { 
    a = address_of(fname)
    $symbol_table[a] = fname
    a
  }
  fadd = OpVarMemAddress.new(addr)
  context.start_arg_reg(FUNC_FLOAT_ARG)
  context.start_arg_reg
  asm = context.assembler
  asm.with_retry do
    asm.mov(FUNC_FLOAT_ARG[0], context.ret_reg)
  end
  context.set_reg_content(FUNC_FLOAT_ARG[0].dst_opecode, 
                          context.ret_node)
  case $ruby_platform
  when /x86_64/
    asm.with_retry do
      asm.call_with_arg(fadd, 1)
    end

  when /i.86/
    asm.with_retry do
      asm.call_with_arg(fadd, 1)
      asm.sub(SPR, 8)
      asm.fstpl(INDIRECT_SPR)
      asm.pop(XMM0)
    end
  end
  context.end_arg_reg
  context.end_arg_reg(FUNC_FLOAT_ARG)
  context
end