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[smlnj] View of /sml/trunk/src/MLRISC/mltree/instr-gen.sml
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View of /sml/trunk/src/MLRISC/mltree/instr-gen.sml

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Revision 933 - (download) (annotate)
Wed Sep 19 19:31:19 2001 UTC (17 years, 8 months ago) by george
File size: 921 byte(s)
  cleanup
(*
 * Generate a linear sequence of instructions
 *)
functor InstrGen
   (structure I      : INSTRUCTIONS
    structure Stream : INSTRUCTION_STREAM
    structure CFG    : CONTROL_FLOW_GRAPH
    			where I = I
			  and P = Stream.P
   ) : INSTR_GEN =
struct
   structure C   = I.C
   structure I   = I
   structure S   = Stream
   structure CFG = CFG

   (* Pretty stupid, eh? *)
   fun newStream(instrs) =
   let fun emit i = instrs := i :: !instrs 
       fun can'tUse _ = MLRiscErrorMsg.error("InstrGen","unimplemented")
   in  Stream.STREAM
       { beginCluster   = can'tUse,
         endCluster     = can'tUse,
         emit           = emit,
         pseudoOp       = can'tUse,
         defineLabel    = can'tUse,
         entryLabel     = can'tUse,
         comment        = can'tUse,
         annotation     = can'tUse,
         getAnnotations = can'tUse,
         exitBlock      = can'tUse
       }
   end 

end

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