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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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20
lib/register/builtin/kernel.rb
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@ -13,14 +13,14 @@ module Register
space = Parfait::Space.object_space
space_reg = compiler.use_reg(:Space) #Set up the Space as self upon init
compiler.add_code Register.load_constant("__init__ load Space", space , space_reg)
compiler.add_load_constant("__init__ load Space", space , space_reg)
message_ind = Register.resolve_to_index( :space , :first_message )
compiler.add_code Register.slot_to_reg( "__init__ load 1st message" , space_reg , message_ind , :message)
compiler.add_code Register.reg_to_slot( "__init__ store Space in message", space_reg , :message , :receiver)
compiler.add_slot_to_reg( "__init__ load 1st message" , space_reg , message_ind , :message)
compiler.add_reg_to_slot( "__init__ store Space in message", space_reg , :message , :receiver)
exit_label = Register.label("_exit_label for __init__" , "#{compiler.type.object_class.name}.#{compiler.method.name}" )
ret_tmp = compiler.use_reg(:Label)
compiler.add_code Register.load_constant("__init__ load return", exit_label , ret_tmp)
compiler.add_code Register.reg_to_slot("__init__ store return", ret_tmp , :message , :return_address)
compiler.add_load_constant("__init__ load return", exit_label , ret_tmp)
compiler.add_reg_to_slot("__init__ store return", ret_tmp , :message , :return_address)
compiler.add_code Register.function_call( "__init__ issue call" , Register.machine.space.get_main )
compiler.add_code exit_label
emit_syscall( compiler , :exit )
@ -38,7 +38,7 @@ module Register
compiler.add_code Syscall.new("emit_syscall(#{name})", name )
restore_message(compiler)
return unless (@clazz and @method)
compiler.add_code Register.label( "#{@clazz.name}.#{@message.name}" , "return_syscall" )
compiler.add_label( "#{@clazz.name}.#{@message.name}" , "return_syscall" )
end
# save the current message, as the syscall destroys all context
@ -47,7 +47,7 @@ module Register
#
def save_message(compiler)
r8 = RegisterValue.new( :r8 , :Message)
compiler.add_code Register.transfer("save_message", Register.message_reg , r8 )
compiler.add_transfer("save_message", Register.message_reg , r8 )
end
def restore_message(compiler)
@ -55,11 +55,11 @@ module Register
return_tmp = Register.tmp_reg :Integer
source = "_restore_message"
# get the sys return out of the way
compiler.add_code Register.transfer(source, Register.message_reg , return_tmp )
compiler.add_transfer(source, Register.message_reg , return_tmp )
# load the stored message into the base RegisterMachine
compiler.add_code Register.transfer(source, r8 , Register.message_reg )
compiler.add_transfer(source, r8 , Register.message_reg )
# save the return value into the message
compiler.add_code Register.reg_to_slot( source , return_tmp , :message , :return_value )
compiler.add_reg_to_slot( source , return_tmp , :message , :return_value )
end
end
extend ClassMethods