Implement initial opt_lt

lib/ruby_vm/mjit/compiler.rb

@@ -16,6 +16,8 @@ module RubyVM::MJIT
   EndBlock = :EndBlock
 
   # Ruby constants
+  Qtrue = Fiddle::Qtrue
+  Qfalse = Fiddle::Qfalse
   Qnil = Fiddle::Qnil
   Qundef = Fiddle::Qundef
 
@@ -25,6 +27,8 @@ module RubyVM::MJIT
   CFP = :r15
   SP  = :rbx
 
+  # Scratch registers: rax, rcx
+
   class Compiler
     attr_accessor :write_pos
 
@@ -134,14 +138,5 @@ module RubyVM::MJIT
         index += insn.len
       end
     end
-
-    # vm_core.h: pathobj_path
-    def pathobj_path(pathobj)
-      if pathobj.is_a?(String)
-        pathobj
-      else
-        pathobj.first
-      end
-    end
   end
 end