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redo restore after syscall with builder

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This commit is contained in:
Torsten Ruger 2018-08-13 18:48:54 +03:00
parent 55bc9c5273
commit fb54d68020
2 changed files with 11 additions and 14 deletions
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17
lib/risc/builtin/object.rb
View File

@ -111,21 +111,18 @@ module Risc
#
def save_message(builder)
r8 = RegisterValue.new( :r8 , :Message)
builder.add_code Risc.transfer("save_message", Risc.message_reg , r8 )
builder.add_transfer("save_message", Risc.message_reg , r8 )
end
def restore_message(builder)
r8 = RegisterValue.new( :r8 , :Message)
return_tmp = builder.compiler.use_reg :fixnum
source = "_restore_message"
# get the sys return out of the way
builder.add_code Risc.transfer(source, Risc.message_reg , return_tmp )
# load the stored message into the base register
builder.add_code Risc.transfer(source, r8 , Risc.message_reg )
int = builder.compiler.use_reg(:Integer)
builder.add_new_int(source , return_tmp , int )
# save the return value into the message
builder.add_code Risc.reg_to_slot( source , int , Risc.message_reg , :return_value )
builder.build do
integer_reg << message
message << r8
add_new_int( "_restore_message", integer_reg , int )
message[:return_value] << int
end
end
end

8
test/risc/interpreter/calling/test_puts.rb
View File

@ -45,8 +45,8 @@ module Risc
sl = main_ticks(22)
assert_equal Transfer , sl.class
assert_equal :r0 , sl.from.symbol
assert_equal :r2 , sl.to.symbol
assert_equal 11 , @interpreter.get_register(:r2)
assert_equal :r3 , sl.to.symbol
assert_equal 11 , @interpreter.get_register(:r3)
end
def test_restore_message
sl = main_ticks(23)
@ -58,8 +58,8 @@ module Risc
def test_save_sys_return
sl = main_ticks(28)
assert_equal RegToSlot , sl.class
assert_equal :r2 , sl.register.symbol #return
assert_equal :r3 , sl.array.symbol #parfait integer
assert_equal :r3 , sl.register.symbol #return
assert_equal :r2 , sl.array.symbol #parfait integer
assert_equal 2 , sl.index
end
def test_return