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whittling arm_translator

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This commit is contained in:
Torsten Ruger 2016-12-15 18:21:08 +02:00
parent e2c006b5ad
commit 94c423c2b3
1 changed files with 17 additions and 19 deletions
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36
lib/arm/translator.rb
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@ -37,36 +37,34 @@ module Arm
ArmMachine.mov( code.to , code.from)
end
def translate_GetSlot code
def translate_GetSlot( code )
ArmMachine.ldr( *slot_args_for(code) )
end
def translate_SetSlot( code )
ArmMachine.str( *slot_args_for(code) )
end
def slot_args_for( code )
if(code.index.is_a? Numeric)
ArmMachine.ldr( code.register , code.array , arm_index(code) )
[ code.register , code.array , arm_index(code) ]
else
ArmMachine.ldr( code.register , code.array , code.index , :shift_lsl => 2 )
[ code.register , code.array , code.index , :shift_lsl => 2]
end
end
def translate_SetSlot code
if(code.index.is_a? Numeric)
ArmMachine.str( code.register , code.array , arm_index(code) )
else
ArmMachine.str( code.register , code.array , code.index , :shift_lsl => 2 )
end
def byte_args_for( code )
args = slot_args_for( code )
args.pop if(code.index.is_a? Numeric)
args
end
def translate_GetByte code
if(code.index.is_a? Numeric)
ArmMachine.ldrb( code.register , code.array , arm_index(code) )
else
ArmMachine.ldrb( code.register , code.array , code.index )
end
ArmMachine.ldrb( *byte_args_for(code) )
end
def translate_SetByte code
if(code.index.is_a? Numeric)
ArmMachine.strb( code.register , code.array , arm_index(code) )
else
ArmMachine.strb( code.register , code.array , code.index )
end
ArmMachine.strb( *byte_args_for(code) )
end
def translate_FunctionCall code