From: torbenm@app-1.diku.dk   
      
   "Mohamed Shafi"  writes:   
      
   > Hello all,   
   >   
   > I am trying to implement Briggs Optimistic register allocator after   
   > reading the the thesis written by Preston Briggs.   
   >   
   > Now for building the interference graph what other than register pairs   
   > is there any other issues that one has to look out for?   
      
    - Calling conventions, i.e., caller-saves versus callee-saves   
      registers, parameter-transfer registers and registers used for   
      return address and stack/frame pointer.   
      
    - Special-purpose registers, such as multiplication using specific   
      registers for arguments and results.   
      
    - Register types such as address/integer/FP registers.   
      
   	Torben   
      
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