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constant fixes

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This commit is contained in:
Torsten Ruger 2015-06-28 10:52:02 +03:00
parent a00a49ecdb
commit 99b59d920c
2 changed files with 5 additions and 7 deletions
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2
lib/arm/passes/save_implementation.rb
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@ -10,7 +10,7 @@ module Arm
def run block
block.codes.dup.each do |code|
next unless code.is_a? Register::SaveReturn
store = ArmMachine.str( :lr , code.register , code.index )
store = ArmMachine.str( :lr , code.register , 4 * code.index )
block.replace(code , store )
end
end

10
lib/register/passes/frame_implementation.rb
View File

@ -31,19 +31,17 @@ module Register
end
# a place to store a reference to the space, we grab the next_frame from the space
space_tmp = 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 = [ LoadConstant.new( Parfait::Space.object_space , space_tmp )]
# 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 << GetSlot.new( space_tmp , 5 , frame_tmp )
# save the frame in real frame register
new_codes << RegisterTransfer.new( frame_tmp , RegisterReference.frame_reg )
new_codes << GetSlot.new( space_tmp , ind , RegisterReference.frame_reg )
# a temporary place to store the new frame
frame_tmp = space_tmp.next_reg_use
# get the next_frame
new_codes << GetSlot.new( frame_tmp , 2 , frame_tmp) # 2 index of next_frame
new_codes << GetSlot.new( RegisterReference.frame_reg , 2 , frame_tmp) # 2 index of next_frame
# save next frame into space
new_codes << SetSlot.new( frame_tmp , space_tmp , ind)
block.replace(code , new_codes )