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tighter integration with factory methods for adding code

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define methods to collapse the code Register.
in add_code Register.factory_method
most instructions done, except op and branch that are rare
This commit is contained in:
Torsten Ruger
2016-12-28 20:37:54 +02:00
parent 8cfcb84c8d
commit e551732f18
13 changed files with 79 additions and 73 deletions
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10
lib/register/instructions/function_call.rb
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@ -22,12 +22,12 @@ module Register
def self.issue_call( compiler , callee )
return_label = Register.label("_return_label #{callee.name}" , "#{compiler.type.object_class.name}.#{compiler.method.name}" )
ret_tmp = compiler.use_reg(:Label)
compiler.add_code Register.load_constant("#{callee.name} load ret", return_label , ret_tmp)
compiler.add_code Register.reg_to_slot("#{callee.name} store ret", ret_tmp , :new_message , :return_address)
compiler.add_code Register.transfer("#{callee.name} move new message", Register.new_message_reg , Register.message_reg )
compiler.add_load_constant("#{callee.name} load ret", return_label , ret_tmp)
compiler.add_reg_to_slot("#{callee.name} store ret", ret_tmp , :new_message , :return_address)
compiler.add_transfer("#{callee.name} move new message", Register.new_message_reg , Register.message_reg )
compiler.add_code Register.function_call( "#{callee.name} call" , callee )
compiler.add_code return_label
compiler.add_code Register.transfer("#{callee.name} remove new message", Register.message_reg , Register.new_message_reg )
compiler.add_code Register.slot_to_reg("#{callee.name} restore message" , :new_message , :caller , :message )
compiler.add_transfer("#{callee.name} remove new message", Register.message_reg , Register.new_message_reg )
compiler.add_slot_to_reg("#{callee.name} restore message" , :new_message , :caller , :message )
end
end