rubyx/lib/arm/passes/save_implementation.rb
Torsten Ruger b980def84e move space to parfait
Also make the machine the singleton
and space hang off it

Many repercussions, not all fixed in this commit
2015-05-12 15:36:44 +03:00

19 lines
594 B
Ruby

module Arm
# Arm stores the return address in a register (not on the stack)
# The register is called link , or lr for short . Maybe because it provides the "link" back to the caller (?)
# the vm defines a register for the location, so we store it there.
class SaveImplementation
def run block
block.codes.dup.each do |code|
next unless code.is_a? Register::SaveReturn
store = ArmMachine.str( :lr , code.register , code.index )
block.replace(code , store )
end
end
end
Virtual::Machine.instance.add_pass "Arm::SaveImplementation"
end