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stop pinning self and frame

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before: r0-message , r1-self , r2-frame , r3-new_message , r4 + tmps
now: r0-message , r1-new_message , r2 + tmps
programs got smaller, less fuss
also fix in return implementation that got the address from the wrong
message
This commit is contained in:
Torsten Ruger
2015-10-18 17:20:19 +03:00
parent da5502e301
commit 6c7e4c0fe2
19 changed files with 98 additions and 94 deletions
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7
lib/register/builtin/integer.rb
View File

@ -3,6 +3,7 @@ module Register
module Builtin
module Integer
module ClassMethods
include AST::Sexp
def plus c
plus_function = Virtual::MethodSource.create_method(:Integer,:Integer,:plus , [:Integer] )
plus_function.source.set_return_type :Integer
@ -11,8 +12,12 @@ module Register
tmp = Register.tmp_reg :Integer
index = Register.arg_index 1
plus_function.source.add_code Register.get_slot( plus_function , :message , index , tmp )
add = Register::OperatorInstruction.new( plus_function, :add , Register.self_reg(:Integer) , tmp )
me = Register.tmp_reg :Integer
plus_function.source.add_code Register.get_slot(plus_function , :message , :receiver , me )
add = Register::OperatorInstruction.new( plus_function, :add , me , tmp )
plus_function.source.add_code add
plus_function.source.add_code Register.set_slot(plus_function , me , :message , :return_value )
return plus_function
end

11
lib/register/builtin/kernel.rb
View File

@ -13,12 +13,13 @@ module Register
function.source.blocks.last.codes.pop # no Method return
#Set up the Space as self upon init
space = Parfait::Space.object_space
function.source.add_code LoadConstant.new(function, space , Register.self_reg(:Space))
space_reg = Register.tmp_reg(:Space)
function.source.add_code LoadConstant.new(function, space , space_reg)
message_ind = Register.resolve_index( :space , :first_message )
# Load the message to new message register (r3)
function.source.add_code Register.get_slot( function , :self , message_ind , :new_message)
# Load the message to new message register (r1)
function.source.add_code Register.get_slot( function , space_reg , message_ind , :new_message)
# And store the space as the new self (so the call can move it back as self)
function.source.add_code Register.set_slot( function, :self , :new_message , :receiver)
function.source.add_code Register.set_slot( function, space_reg , :new_message , :receiver)
# now we are set up to issue a call to the main
function.source.add_code Virtual::MethodCall.new(Virtual.machine.space.get_main)
emit_syscall( function , :exit )
@ -63,8 +64,6 @@ module Register
# save the return value into the message
function.source.add_code Register.set_slot( function, return_tmp , :message , :return_value )
# and "unroll" self and frame
function.source.add_code Register.get_slot(function, :message , :receiver, :self )
function.source.add_code Register.get_slot(function, :message , :frame , :frame)
end
end
extend ClassMethods

1
lib/register/builtin/word.rb
View File

@ -4,6 +4,7 @@ module Register
module ClassMethods
def putstring context
function = Virtual::MethodSource.create_method(:Word,:Integer , :putstring , [] )
function.source.add_code Register.get_slot( function , :message , :receiver , :new_message )
Kernel.emit_syscall( function , :putstring )
function
end