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register access fixes

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since the constants moved
This commit is contained in:
Torsten Ruger
2015-05-24 15:31:30 +03:00
parent 6f0ae51dc5
commit b58bba3fc4
3 changed files with 20 additions and 20 deletions
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18
lib/virtual/passes/frame_implementation.rb
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@ -17,27 +17,25 @@ module Virtual
def run block
block.codes.dup.each do |code|
if code.is_a?(NewFrame)
kind = :next_frame
kind = "next_frame"
elsif code.is_a?(NewMessage)
kind = :next_message
kind = "next_message"
else
next
end
space = Parfait::Space.object_space
slot = Virtual::Slot
# a place to store a reference to the space, we grab the next_frame from the space
space_tmp = Register::RegisterReference.new(Virtual::Message::TMP_REG)
space_tmp = Register::RegisterReference.tmp_reg
# a temporary place to store the new frame
frame_tmp = space_tmp.next_reg_use
# move the spave to it's register (mov instruction gets the address of the object)
new_codes = [ Register::LoadConstant.new( space_tmp , space )]
# find index in the space wehre to grab frame/message
ind = space.layout[:names].index(kind)
raise "index not found for :#{kind}" unless ind
new_codes = [ Register::LoadConstant.new( space_tmp , Parfait::Space.object_space )]
# find index in the space where to grab frame/message
ind = Parfait::Space.object_space.get_layout().index_of( kind )
raise "index not found for #{kind}.#{kind.class}" unless ind
# load the frame/message from space by index
new_codes << Register::GetSlot.new( frame_tmp , space_tmp , 5 )
# save the frame in real frame register
new_codes << Register::RegisterTransfer.new( Virtual::Message::FRAME_REG , frame_tmp )
new_codes << Register::RegisterTransfer.new( Register::RegisterReference.frame_reg , frame_tmp )
# get the next_frame
new_codes << Register::GetSlot.new( frame_tmp , frame_tmp , 2 ) # 2 index of next_frame
# save next frame into space