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rename register to risc

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seems to fit the layer much better as we really have a very reduced
instruction set
This commit is contained in:
Torsten Ruger
2017-01-19 09:02:29 +02:00
parent da5823a1a0
commit aa79e41d1c
127 changed files with 348 additions and 346 deletions
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75
lib/risc/builtin/integer.rb Normal file
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#integer related kernel functions
module Risc
module Builtin
module Integer
module ClassMethods
include AST::Sexp
def mod4 context
compiler = Vm::MethodCompiler.create_method(:Integer,:mod4 ).init_method
return compiler.method
end
def putint context
compiler = Vm::MethodCompiler.create_method(:Integer,:putint ).init_method
return compiler.method
end
def div10 context
s = "div_10"
compiler = Vm::MethodCompiler.create_method(:Integer,:div10 ).init_method
me = compiler.process( Vm::Tree::KnownName.new( :self) )
tmp = compiler.process( Vm::Tree::KnownName.new( :self) )
q = compiler.process( Vm::Tree::KnownName.new( :self) )
const = compiler.process( Vm::Tree::IntegerExpression.new(1) )
# int tmp = self >> 1
compiler.add_code Risc.op( s , ">>" , tmp , const)
# int q = self >> 2
compiler.add_load_constant( s , 2 , const)
compiler.add_code Risc.op( s , ">>" , q , const)
# q = q + tmp
compiler.add_code Risc.op( s , "+" , q , tmp )
# tmp = q >> 4
compiler.add_load_constant( s , 4 , const)
compiler.add_transfer( s, q , tmp)
compiler.add_code Risc.op( s , ">>" , tmp , const)
# q = q + tmp
compiler.add_code Risc.op( s , "+" , q , tmp )
# tmp = q >> 8
compiler.add_load_constant( s , 8 , const)
compiler.add_transfer( s, q , tmp)
compiler.add_code Risc.op( s , ">>" , tmp , const)
# q = q + tmp
compiler.add_code Risc.op( s , "+" , q , tmp )
# tmp = q >> 16
compiler.add_load_constant( s , 16 , const)
compiler.add_transfer( s, q , tmp)
compiler.add_code Risc.op( s , ">>" , tmp , const)
# q = q + tmp
compiler.add_code Risc.op( s , "+" , q , tmp )
# q = q >> 3
compiler.add_load_constant( s , 3 , const)
compiler.add_code Risc.op( s , ">>" , q , const)
# tmp = q * 10
compiler.add_load_constant( s , 10 , const)
compiler.add_transfer( s, q , tmp)
compiler.add_code Risc.op( s , "*" , tmp , const)
# tmp = self - tmp
compiler.add_code Risc.op( s , "-" , me , tmp )
compiler.add_transfer( s , me , tmp)
# tmp = tmp + 6
compiler.add_load_constant( s , 6 , const)
compiler.add_code Risc.op( s , "+" , tmp , const )
# tmp = tmp >> 4
compiler.add_load_constant( s , 4 , const)
compiler.add_code Risc.op( s , ">>" , tmp , const )
# return q + tmp
compiler.add_code Risc.op( s , "+" , q , tmp )
compiler.add_reg_to_slot( s , q , :message , :return_value)
return compiler.method
end
end
extend ClassMethods
end
end
end