fix some more of builder

but still not all. removed some and fixed the register allocation in allocate_int

test/risc/test_builder1.rb

@@ -9,31 +9,8 @@ module Risc
       @compiler = Risc::MethodCompiler.new( @method , SlotMachine::Label.new( "source_name", "return_label"))
       @builder  = @compiler.builder(@method)
     end
-    def test_inserts_built
-      r1 = RegisterValue.new(:r1 , :Space)
-      @builder.build{ space! << r1 }
-      assert_equal Transfer , @compiler.risc_instructions.next.class
-      assert_equal RegisterValue ,  @builder.space.class
-    end
-    def test_loads
-      @builder.build{ space! << Parfait.object_space }
-      assert_equal LoadConstant , @compiler.risc_instructions.next.class
-      assert_equal RegisterValue ,  @builder.space.class
-    end
-    def test_two
-      @builder.build{ space! << Parfait.object_space ; integer! << 1}
-      assert_equal LoadConstant , @compiler.risc_instructions.next.class
-      assert_equal LoadData , @compiler.risc_instructions.next(2).class
-    end
-    def test_swap
-      test_two
-      @builder.swap_names( :space , :integer)
-      assert_equal :Integer ,  @builder.space.type.class_name
-      assert_equal :Space ,  @builder.integer.type.class_name
-    end
     def test_prepare_int
-      int = @builder.prepare_int_return
-      assert_raises { @builder.integer_tmp}
+      assert @builder.prepare_int_return
     end
     def test_allocate_returns
       int = @builder.allocate_int