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fixed while compilation (block order) and fixed and improved fibo

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This commit is contained in:
Torsten Ruger 2014-06-12 16:23:57 +03:00
parent 8da1bc4645
commit ea0572c836
4 changed files with 28 additions and 29 deletions
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4
lib/arm/arm_machine.rb
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@ -97,8 +97,8 @@ module Arm
def write_stdout function #, string
# TODO save and restore r0
function.mov( :r0 , 1 ) # 1 == stdout
function.mov( :r1 , RECEIVER_REG )
function.mov( RECEIVER_REG , :r3 )
function.mov( :r1 , receiver_register )
function.mov( receiver_register , :r3 )
syscall( function.insertion_point , 4 ) # 4 == write
end

4
lib/ast/while_expression.rb
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@ -3,8 +3,8 @@ module Ast
# attr_reader :condition, :body
def compile context
into = context.function
while_block = into.new_block "while"
ret = into.new_block "return"
ret = into.new_block "while_end"
while_block = into.new_block "while_start"
into.insert_at while_block
puts "compiling while condition #{condition}"

36
lib/core/kernel.rb
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@ -56,40 +56,40 @@ module Core
return utoa_function
end
# testing method, hand coded fibo, expects arg in 1
# result comes in 7
# testing method, hand coded fibo, expects arg in receiver_register
# result comes in return_register
# a hand coded version of the fibonachi numbers
# not my hand off course, found in the net from a basic introduction
# not my hand off course, found in the net http://www.peter-cockerell.net/aalp/html/ch-5.html
def fibo context
fibo_function = Vm::Function.new(:fibo , Vm::Integer , [] , Vm::Integer )
result = fibo_function.return_type
int = fibo_function.receiver
count = fibo_function.new_local
last = fibo_function.new_block("return")
f1 = fibo_function.new_local
f2 = fibo_function.new_local
fibo_function.instance_eval do
fibo_function.instance_eval do
cmp int , 1
mov( result, int , condition_code: :le)
mov( :pc , :lr , condition_code: :le)
push [ count , f1 , f2 , :lr]
mov f1 , 1
ble( last ) #branch to return, rather than return (as the original)
mov f1 , 1 #set up initial values
mov f2 , 0
sub count , int , 2
end
l = fibo_function.new_block("loop")
fibo_function.insert_at l
loop = fibo_function.new_block("loop")
fibo_function.insert_at loop
fibo_function.instance_eval do
add f1 , f1 , f2
sub f2 , f1 , f2
sub count , count , 1 , set_update_status: 1
bpl( l )
fibo_function.instance_eval do #loop through
add f1 , f1 , f2 # f1 = f1 + f2
sub f2 , f1 , f2 # f2 = f1 -f2
sub int , int , 1 # todo: set.. should do below cmp, but doesn't , set_update_status: 1
cmp int , 1
bne( loop )
mov( result , f1 )
pop [ count , f1 , f2 , :pc]
end
fibo_function.set_return result
fibo_function
end

13
test/fragments/test_while_fibo.rb
View File

@ -20,7 +20,7 @@ end # r0 <- r5
fibonaccit( 10 )
HERE
@should = [0x0,0x40,0x2d,0xe9,0x0,0x20,0xa0,0xe3,0x1,0x30,0xa0,0xe3,0x1,0x0,0x51,0xe3,0x6,0x0,0x0,0xda,0x2,0x40,0xa0,0xe1,0x3,0x20,0xa0,0xe1,0x3,0x50,0x84,0xe0,0x5,0x30,0xa0,0xe1,0x1,0x60,0x41,0xe2,0x6,0x10,0xa0,0xe1,0xf6,0xff,0xff,0xea,0x3,0x70,0xa0,0xe1,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0x0,0x20,0xa0,0xe3,0x1,0x30,0xa0,0xe3,0x1,0x0,0x51,0xe3,0x6,0x0,0x0,0xda,0x2,0x40,0xa0,0xe1,0x3,0x20,0xa0,0xe1,0x3,0x50,0x84,0xe0,0x5,0x30,0xa0,0xe1,0x1,0x60,0x41,0xe2,0x6,0x10,0xa0,0xe1,0xf6,0xff,0xff,0xea,0x3,0x70,0xa0,0xe1,0x0,0x80,0xbd,0xe8]
@should = [0x0,0x40,0x2d,0xe9,0x0,0x40,0xa0,0xe3,0x1,0x50,0xa0,0xe3,0x1,0x0,0x53,0xe3,0x4,0x0,0x0,0xda,0x4,0x60,0xa0,0xe1,0x5,0x40,0xa0,0xe1,0x5,0x50,0x86,0xe0,0x1,0x30,0x43,0xe2,0xf8,0xff,0xff,0xea,0x20,0x0,0x2d,0xe9,0x5,0x20,0xa0,0xe1,0x13,0x0,0x0,0xeb,0x20,0x0,0xbd,0xe8,0x5,0x0,0xa0,0xe1,0x0,0x80,0xbd,0xe8]
@output = " 55 "
@target = [:Object , :fibonaccit]
parse
@ -30,16 +30,15 @@ HERE
# a hand coded version of the fibonachi numbers (moved to kernel to be able to call it)
# not my hand off course, found in the net from a basic introduction
def test_kernel_fibo
int = Vm::Integer.new(1)
int = Vm::Integer.new(Vm::RegisterMachine.instance.receiver_register)
fibo = @object_space.get_or_create_class(:Object).get_or_create_function(:fibo)
#HACk this with send
main = @object_space.main
main.mov int , 10
ret = main.call( fibo )
main.mov( :r1 , :r7 )
main.call( fibo )
main.mov( Vm::RegisterMachine.instance.receiver_register , Vm::RegisterMachine.instance.return_register )
putint = @object_space.get_or_create_class(:Object).get_or_create_function(:putint)
@object_space.main.call( putint )
@should = [0x0,0x40,0x2d,0xe9,0x1,0x0,0x51,0xe3,0x1,0x70,0xa0,0xd1,0xe,0xf0,0xa0,0xd1,0x1c,0x40,0x2d,0xe9,0x1,0x30,0xa0,0xe3,0x0,0x40,0xa0,0xe3,0x2,0x20,0x41,0xe2,0x4,0x30,0x83,0xe0,0x4,0x40,0x43,0xe0,0x1,0x20,0x52,0xe2,0xfb,0xff,0xff,0x5a,0x3,0x70,0xa0,0xe1,0x1c,0x80,0xbd,0xe8,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0x1,0x0,0x51,0xe3,0x1,0x70,0xa0,0xd1,0xe,0xf0,0xa0,0xd1,0x1c,0x40,0x2d,0xe9,0x1,0x30,0xa0,0xe3,0x0,0x40,0xa0,0xe3,0x2,0x20,0x41,0xe2,0x4,0x30,0x83,0xe0,0x4,0x40,0x43,0xe0,0x1,0x20,0x52,0xe2,0xfb,0xff,0xff,0x5a,0x3,0x70,0xa0,0xe1,0x1c,0x80,0xbd,0xe8,0x0,0x80,0xbd,0xe8]
main.call( putint )
@should = [0x0,0x40,0x2d,0xe9,0x1,0x0,0x52,0xe3,0x2,0x0,0xa0,0xd1,0x7,0x0,0x0,0xda,0x1,0x30,0xa0,0xe3,0x0,0x40,0xa0,0xe3,0x4,0x30,0x83,0xe0,0x4,0x40,0x43,0xe0,0x1,0x20,0x42,0xe2,0x1,0x0,0x52,0xe3,0xfa,0xff,0xff,0x1a,0x3,0x0,0xa0,0xe1,0x0,0x80,0xbd,0xe8]
@target = [:Object , :fibo]
write "fibo"
end