rubyx/lib/register/return_implementation.rb
2014-08-26 16:12:20 +03:00

17 lines
597 B
Ruby

module Register
class ReturnImplementation
def run block
block.codes.dup.each do |code|
next unless code.is_a? Virtual::MethodReturn
to = RegisterReference.new(:r0)
tmp = RegisterReference.new(:r5)
pc = RegisterReference.new(:pc)
move1 = RegisterMachine.instance.ldr( to , tmp , 3 ) #TODO 3 == return reg, needs constant / layout
move2 = RegisterMachine.instance.ldr( pc , tmp )
block.replace(code , [move1,move2] )
end
end
end
Virtual::BootSpace.space.add_pass_after ReturnImplementation , CallImplementation
end