Re-apply "Inline floating point compare"...

src/jump-target.h

Index: src/jump-target.h
===================================================================
--- src/jump-target.h	(revision 4259)
+++ src/jump-target.h	(working copy)
@@ -117,12 +117,17 @@
   // the target and the fall-through.
   virtual void Branch(Condition cc, Hint hint = no_hint);
   virtual void Branch(Condition cc, Result* arg, Hint hint = no_hint);
+  virtual void Branch(Condition cc,
+                      Result* arg0,
+                      Result* arg1,
+                      Hint hint = no_hint);
 
   // Bind a jump target.  If there is no current frame at the binding
   // site, there must be at least one frame reaching via a forward
   // jump.
   virtual void Bind();
   virtual void Bind(Result* arg);
+  virtual void Bind(Result* arg0, Result* arg1);
 
   // Emit a call to a jump target.  There must be a current frame at
   // the call.  The frame at the target is the same as the current