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continue with #11

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slots are the most tricky, especially testing
This commit is contained in:
Torsten Ruger
2018-08-19 13:06:00 +03:00
parent 047a36178f
commit b294208025
4 changed files with 43 additions and 32 deletions
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15
lib/mom/instruction/slot_load.rb
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@ -40,32 +40,31 @@ module Mom
def to_risc(compiler)
#puts "RISC #{self}"
const = @right.to_register(compiler , original_source)
const_reg = @right.to_register(compiler , original_source)
left_slots = @left.slots
case @left.known_object
when Symbol
sym_to_risc(compiler , const)
sym_to_risc(compiler , const_reg)
when Parfait::CacheEntry
left = compiler.use_reg( :CacheEntry )
const << Risc.load_constant(original_source, @left.known_object , left)
const << Risc.reg_to_slot(original_source, const.register , left, left_slots.first)
compiler.add_code Risc.load_constant(original_source, @left.known_object , left)
compiler.add_code Risc.reg_to_slot(original_source, const.register , left, left_slots.first)
else
raise "We have left #{@left.known_object}"
end
compiler.reset_regs
return const
end
def sym_to_risc(compiler , const)
def sym_to_risc(compiler , const_reg)
left_slots = @left.slots.dup
raise "Not Message #{object}" unless @left.known_object == :message
left = Risc.message_reg
slot = left_slots.shift
while( !left_slots.empty? )
left = left.resolve_and_add( slot , const , compiler)
left = left.resolve_and_add( slot , compiler)
slot = left_slots.shift
end
const << Risc.reg_to_slot(original_source, const.register , left, slot)
compiler.add_code Risc.reg_to_slot(original_source, const_reg , left, slot)
end
end