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[smlnj] View of /sml/branches/SMLNJ/src/MLRISC/alpha/emit/alphaMC.sml
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View of /sml/branches/SMLNJ/src/MLRISC/alpha/emit/alphaMC.sml

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Revision 475 - (download) (annotate)
Wed Nov 10 22:59:58 1999 UTC (19 years, 8 months ago) by monnier
File size: 17626 byte(s)
version 110.24
(*
 * This file was automatically generated by MDGen
 * from the machine description file "alpha/alpha.md".
 *)


functor AlphaMCEmitter(structure Instr : ALPHAINSTR
                       structure Stream : INSTRUCTION_STREAM
                       structure CodeString : CODE_STRING
                      ) : INSTRUCTION_EMITTER =
struct
   structure I = Instr
   structure S = Stream
   structure C = I.C
   structure Constant = I.Constant
   structure P = S.P
   structure W = Word32
   
   (* Alpha is a little endian architecture *)
   
   fun error msg = MLRiscErrorMsg.error("AlphaMC",msg)
   fun makeStream _ =
   let infix && || << >> ~>>
       val op << = W.<<
       val op >> = W.>>
       val op ~>> = W.~>>
       val op || = W.orb
       val op && = W.andb
       val itow = W.fromInt
       fun emit_bool false = 0w0 : W.word
         | emit_bool true = 0w1 : W.word
       val emit_int = itow
       fun emit_word w = w
       fun emit_label l = itow(Label.addrOf l)
       fun emit_labexp le = itow(LabelExp.valueOf le)
       fun emit_const c = itow(Constant.valueOf c)
       val loc = ref 0
   
       (* emit a byte *)
       fun eByte b =
       let val i = !loc in loc := i + 1; CodeString.update(i,b) end
   
       (* emit the low order byte of a word *)
       (* note: fromLargeWord strips the high order bits! *)
       fun eByteW w =
       let val i = !loc
       in loc := i + 1; CodeString.update(i,Word8.fromLargeWord w) end
   
       fun doNothing _ = ()
   
       fun pseudoOp pOp = P.emitValue{pOp=pOp, loc= !loc,emit=eByte}
   
       fun init n = (CodeString.init n; loc := 0)
   
   
       fun emitter regmap =
       let

   fun eWord32 w = let
          val b8 = w
          val w = (w >> 0wx8)
          val b16 = w
          val w = (w >> 0wx8)
          val b24 = w
          val w = (w >> 0wx8)
          val b32 = w
       in 
          ((eByteW b8); 
          (eByteW b16); 
          (eByteW b24); 
          (eByteW b32))
       end


   fun emit_CC r = (itow ((regmap r) - 64))
   and emit_FP r = (itow ((regmap r) - 32))
   and emit_GP r = (itow (regmap r))

   fun emit_store (I.STL) = (0wx2c : Word32.word)
     | emit_store (I.STQ) = (0wx2d : Word32.word)
     | emit_store (I.STQ_U) = (0wxf : Word32.word)
   and emit_osf_user_palcode (I.BPT) = (0wx80 : Word32.word)
     | emit_osf_user_palcode (I.BUGCHK) = (0wx81 : Word32.word)
     | emit_osf_user_palcode (I.CALLSYS) = (0wx83 : Word32.word)
     | emit_osf_user_palcode (I.GENTRAP) = (0wxaa : Word32.word)
     | emit_osf_user_palcode (I.IMB) = (0wx86 : Word32.word)
     | emit_osf_user_palcode (I.RDUNIQUE) = (0wx9e : Word32.word)
     | emit_osf_user_palcode (I.WRUNIQUE) = (0wx9f : Word32.word)
   and emit_foperateV (I.ADDSSUD) = (0wx5c0 : Word32.word)
     | emit_foperateV (I.ADDSSU) = (0wx580 : Word32.word)
     | emit_foperateV (I.ADDTSUD) = (0wx5e0 : Word32.word)
     | emit_foperateV (I.ADDTSU) = (0wx5a0 : Word32.word)
     | emit_foperateV (I.DIVSSUD) = (0wx5c3 : Word32.word)
     | emit_foperateV (I.DIVSSU) = (0wx583 : Word32.word)
     | emit_foperateV (I.DIVTSUD) = (0wx5e3 : Word32.word)
     | emit_foperateV (I.DIVTSU) = (0wx5a3 : Word32.word)
     | emit_foperateV (I.MULSSUD) = (0wx5c2 : Word32.word)
     | emit_foperateV (I.MULSSU) = (0wx582 : Word32.word)
     | emit_foperateV (I.MULTSUD) = (0wx5e2 : Word32.word)
     | emit_foperateV (I.MULTSU) = (0wx5a2 : Word32.word)
     | emit_foperateV (I.SUBSSUD) = (0wx5c1 : Word32.word)
     | emit_foperateV (I.SUBSSU) = (0wx581 : Word32.word)
     | emit_foperateV (I.SUBTSUD) = (0wx5e1 : Word32.word)
     | emit_foperateV (I.SUBTSU) = (0wx5a1 : Word32.word)
   and emit_operand (I.REGop GP) = GP
     | emit_operand (I.IMMop int) = (error "IMMop")
     | emit_operand (I.HILABop labexp) = (error "HILABop")
     | emit_operand (I.LOLABop labexp) = (error "LOLABop")
     | emit_operand (I.LABop labexp) = (error "LABop")
     | emit_operand (I.CONSTop const) = (error "CONSTop")
   and emit_fload (I.LDF) = (0wx20 : Word32.word)
     | emit_fload (I.LDG) = (0wx21 : Word32.word)
     | emit_fload (I.LDS) = (0wx22 : Word32.word)
     | emit_fload (I.LDT) = (0wx23 : Word32.word)
   and emit_foperate (I.CPYS) = (0wx17, 0wx20)
     | emit_foperate (I.CPYSE) = (0wx17, 0wx22)
     | emit_foperate (I.CPYSN) = (0wx17, 0wx21)
     | emit_foperate (I.MF_FPCR) = (0wx17, 0wx25)
     | emit_foperate (I.MT_FPCR) = (0wx17, 0wx24)
     | emit_foperate (I.CMPTEQ) = (0wx16, 0wxa5)
     | emit_foperate (I.CMPTLT) = (0wx16, 0wxa6)
     | emit_foperate (I.CMPTLE) = (0wx16, 0wxa7)
     | emit_foperate (I.CMPTUN) = (0wx16, 0wxa4)
     | emit_foperate (I.CMPTEQSU) = (0wx16, 0wx5a5)
     | emit_foperate (I.CMPTLTSU) = (0wx16, 0wx5a6)
     | emit_foperate (I.CMPTLESU) = (0wx16, 0wx5a7)
     | emit_foperate (I.CMPTUNSU) = (0wx16, 0wx5a4)
   and emit_funary (I.CVTLQ) = (0wx17, 0wx10)
     | emit_funary (I.CVTQL) = (0wx17, 0wx30)
     | emit_funary (I.CVTQLSV) = (0wx17, 0wx530)
     | emit_funary (I.CVTQLV) = (0wx17, 0wx130)
     | emit_funary (I.CVTQS) = (0wx16, 0wxbc)
     | emit_funary (I.CVTQSC) = (0wx16, 0wx3c)
     | emit_funary (I.CVTQT) = (0wx16, 0wxbe)
     | emit_funary (I.CVTQTC) = (0wx16, 0wx3e)
     | emit_funary (I.CVTTS) = (0wx16, 0wxac)
     | emit_funary (I.CVTTSC) = (0wx16, 0wx2c)
     | emit_funary (I.CVTST) = (0wx16, 0wx2ac)
     | emit_funary (I.CVTSTS) = (0wx16, 0wx6ac)
     | emit_funary (I.CVTTQ) = (0wx16, 0wxaf)
     | emit_funary (I.CVTTQC) = (0wx16, 0wx2f)
   and emit_fstore (I.STF) = (0wx24 : Word32.word)
     | emit_fstore (I.STG) = (0wx25 : Word32.word)
     | emit_fstore (I.STS) = (0wx26 : Word32.word)
     | emit_fstore (I.STT) = (0wx27 : Word32.word)
   and emit_branch (I.BR) = (0wx30 : Word32.word)
     | emit_branch (I.BSR) = (0wx34 : Word32.word)
     | emit_branch (I.BLBC) = (0wx38 : Word32.word)
     | emit_branch (I.BEQ) = (0wx39 : Word32.word)
     | emit_branch (I.BLT) = (0wx3a : Word32.word)
     | emit_branch (I.BLE) = (0wx3b : Word32.word)
     | emit_branch (I.BLBS) = (0wx3c : Word32.word)
     | emit_branch (I.BNE) = (0wx3d : Word32.word)
     | emit_branch (I.BGE) = (0wx3e : Word32.word)
     | emit_branch (I.BGT) = (0wx3f : Word32.word)
   and emit_cmove (I.CMOVEQ) = (0wx24 : Word32.word)
     | emit_cmove (I.CMOVLBC) = (0wx16 : Word32.word)
     | emit_cmove (I.CMOVLBS) = (0wx14 : Word32.word)
     | emit_cmove (I.CMOVGE) = (0wx46 : Word32.word)
     | emit_cmove (I.CMOVGT) = (0wx66 : Word32.word)
     | emit_cmove (I.CMOVLE) = (0wx64 : Word32.word)
     | emit_cmove (I.CMOVLT) = (0wx44 : Word32.word)
     | emit_cmove (I.CMOVNE) = (0wx26 : Word32.word)
   and emit_operateV (I.ADDLV) = (0wx10, 0wx40)
     | emit_operateV (I.ADDQV) = (0wx10, 0wx60)
     | emit_operateV (I.SUBLV) = (0wx10, 0wx49)
     | emit_operateV (I.SUBQV) = (0wx10, 0wx69)
     | emit_operateV (I.MULLV) = (0wx13, 0wx40)
     | emit_operateV (I.MULQV) = (0wx13, 0wx60)
   and emit_fbranch (I.FBEQ) = (0wx31 : Word32.word)
     | emit_fbranch (I.FBLT) = (0wx32 : Word32.word)
     | emit_fbranch (I.FBLE) = (0wx33 : Word32.word)
     | emit_fbranch (I.FBNE) = (0wx35 : Word32.word)
     | emit_fbranch (I.FBGE) = (0wx36 : Word32.word)
     | emit_fbranch (I.FBGT) = (0wx37 : Word32.word)
   and emit_load (I.LDL) = (0wx28 : Word32.word)
     | emit_load (I.LDL_L) = (0wx2a : Word32.word)
     | emit_load (I.LDQ) = (0wx29 : Word32.word)
     | emit_load (I.LDQ_L) = (0wx2b : Word32.word)
     | emit_load (I.LDQ_U) = (0wxb : Word32.word)
   and emit_operate (I.ADDL) = (0wx10, 0wx0)
     | emit_operate (I.ADDQ) = (0wx10, 0wx20)
     | emit_operate (I.CMPBGE) = (0wx10, 0wxf)
     | emit_operate (I.CMPEQ) = (0wx10, 0wx2d)
     | emit_operate (I.CMPLE) = (0wx10, 0wx6d)
     | emit_operate (I.CMPLT) = (0wx10, 0wx4d)
     | emit_operate (I.CMPULE) = (0wx10, 0wx3d)
     | emit_operate (I.CMPULT) = (0wx10, 0wx1d)
     | emit_operate (I.SUBL) = (0wx10, 0wx9)
     | emit_operate (I.SUBQ) = (0wx10, 0wx29)
     | emit_operate (I.S4ADDL) = (0wx10, 0wx2)
     | emit_operate (I.S4ADDQ) = (0wx10, 0wx22)
     | emit_operate (I.S4SUBL) = (0wx10, 0wxb)
     | emit_operate (I.S4SUBQ) = (0wx10, 0wx2b)
     | emit_operate (I.S8ADDL) = (0wx10, 0wx12)
     | emit_operate (I.S8ADDQ) = (0wx10, 0wx32)
     | emit_operate (I.S8SUBL) = (0wx10, 0wx1b)
     | emit_operate (I.S8SUBQ) = (0wx10, 0wx3b)
     | emit_operate (I.AND) = (0wx11, 0wx0)
     | emit_operate (I.BIC) = (0wx11, 0wx8)
     | emit_operate (I.BIS) = (0wx11, 0wx20)
     | emit_operate (I.EQV) = (0wx11, 0wx48)
     | emit_operate (I.ORNOT) = (0wx11, 0wx28)
     | emit_operate (I.XOR) = (0wx11, 0wx40)
     | emit_operate (I.EXTBL) = (0wx12, 0wx6)
     | emit_operate (I.EXTLH) = (0wx12, 0wx6a)
     | emit_operate (I.EXTLL) = (0wx12, 0wx26)
     | emit_operate (I.EXTQH) = (0wx12, 0wx7a)
     | emit_operate (I.EXTQL) = (0wx12, 0wx36)
     | emit_operate (I.EXTWH) = (0wx12, 0wx5a)
     | emit_operate (I.EXTWL) = (0wx12, 0wx16)
     | emit_operate (I.INSBL) = (0wx12, 0wxb)
     | emit_operate (I.INSLH) = (0wx12, 0wx67)
     | emit_operate (I.INSLL) = (0wx12, 0wx2b)
     | emit_operate (I.INSQH) = (0wx12, 0wx77)
     | emit_operate (I.INSQL) = (0wx12, 0wx3b)
     | emit_operate (I.INSWH) = (0wx12, 0wx57)
     | emit_operate (I.INSWL) = (0wx12, 0wx1b)
     | emit_operate (I.MSKBL) = (0wx12, 0wx2)
     | emit_operate (I.MSKLH) = (0wx12, 0wx62)
     | emit_operate (I.MSKLL) = (0wx12, 0wx22)
     | emit_operate (I.MSKQH) = (0wx12, 0wx72)
     | emit_operate (I.MSKQL) = (0wx12, 0wx32)
     | emit_operate (I.MSKWH) = (0wx12, 0wx52)
     | emit_operate (I.MSKWL) = (0wx12, 0wx12)
     | emit_operate (I.SLL) = (0wx12, 0wx39)
     | emit_operate (I.SRA) = (0wx12, 0wx3c)
     | emit_operate (I.SRL) = (0wx12, 0wx34)
     | emit_operate (I.ZAP) = (0wx12, 0wx30)
     | emit_operate (I.ZAPNOT) = (0wx12, 0wx31)
     | emit_operate (I.MULL) = (0wx13, 0wx0)
     | emit_operate (I.MULQ) = (0wx13, 0wx20)
     | emit_operate (I.UMULH) = (0wx13, 0wx30)
     | emit_operate (I.SGNXL) = (0wx10, 0wx0)
   and emit_fcmove (I.FCMOVEQ) = (0wx2a : Word32.word)
     | emit_fcmove (I.FCMOVEGE) = (0wx2d : Word32.word)
     | emit_fcmove (I.FCMOVEGT) = (0wx2f : Word32.word)
     | emit_fcmove (I.FCMOVLE) = (0wx2e : Word32.word)
     | emit_fcmove (I.FCMOVELT) = (0wx2c : Word32.word)
     | emit_fcmove (I.FCMOVENE) = (0wx2b : Word32.word)

   fun Operate {opc, ra, rb, func, rc} = 
       (
        case rb of
        I.REGop rb => (Operate0 {opc=opc, ra=ra, rb=rb, func=func, rc=rc})
      | I.IMMop i => (Operate1 {opc=opc, ra=ra, lit=(itow i), func=func, rc=rc})
      | I.HILABop le => (Operate1 {opc=opc, ra=ra, lit=(High {le=le}), func=func, rc=rc})
      | I.LOLABop le => (Operate1 {opc=opc, ra=ra, lit=(Low {le=le}), func=func, rc=rc})
      | I.LABop le => (Operate1 {opc=opc, ra=ra, lit=(itow (LabelExp.valueOf le)), func=func, rc=rc})
      | I.CONSTop c => (Operate1 {opc=opc, ra=ra, lit=(itow (Constant.valueOf c)), func=func, rc=rc})
       )
   and Operate0 {opc, ra, rb, func, rc} = let
          val ra = (emit_GP ra)
          val rb = (emit_GP rb)
          val rc = (emit_GP rc)
       in (eWord32 (rc + ((func << 0wx5) + ((rb << 0wx10) + ((ra << 0wx15) + (opc << 0wx1a))))))
       end

   and High {le} = let

(*#line 196.1 "alpha/alpha.md"*)
          val(hi, _) = (Split {le=le})
       in hi
       end

   and Operate1 {opc, ra, lit, func, rc} = let
          val ra = (emit_GP ra)
          val rc = (emit_GP rc)
       in (eWord32 (rc + ((func << 0wx5) + (((lit && 0wxff) << 0wxd) + ((ra << 0wx15) + ((opc << 0wx1a) + 0wx1000))))))
       end

   and Memory_fun {opc, ra, rb, func} = let
          val ra = (emit_GP ra)
          val rb = (emit_GP rb)
       in (eWord32 (func + ((rb << 0wx10) + ((ra << 0wx15) + (opc << 0wx1a)))))
       end

   and Low {le} = let

(*#line 197.1 "alpha/alpha.md"*)
          val(_, lo) = (Split {le=le})
       in lo
       end

   and Fbranch {opc, ra, disp} = let
          val opc = (emit_fbranch opc)
          val ra = (emit_FP ra)
       in (eWord32 ((disp && 0wx1fffff) + ((ra << 0wx15) + (opc << 0wx1a))))
       end

   and Pal {func} = (eWord32 func)
   and Branch {opc, ra, disp} = let
          val opc = (emit_branch opc)
          val ra = (emit_GP ra)
       in (eWord32 ((disp && 0wx1fffff) + ((ra << 0wx15) + (opc << 0wx1a))))
       end

   and FLoadStore {opc, r, b, d} = let
          val r = (emit_FP r)
       in (LoadStore {opc=opc, ra=r, rb=b, disp=d})
       end

   and Funary {opc, fb, func, fc} = let
          val fb = (emit_FP fb)
          val fc = (emit_FP fc)
       in (eWord32 (fc + ((func << 0wx5) + ((fb << 0wx10) + ((opc << 0wx1a) + 0wx3e00000)))))
       end

   and Foperate {opc, fa, fb, func, fc} = let
          val fa = (emit_FP fa)
          val fb = (emit_FP fb)
          val fc = (emit_FP fc)
       in (eWord32 (fc + ((func << 0wx5) + ((fb << 0wx10) + ((fa << 0wx15) + (opc << 0wx1a))))))
       end

   and ILoadStore {opc, r, b, d} = let
          val r = (emit_GP r)
       in (LoadStore {opc=opc, ra=r, rb=b, disp=d})
       end

   and Memory {opc, ra, rb, disp} = let
          val rb = (emit_GP rb)
       in (eWord32 ((disp && 0wxffff) + ((rb << 0wx10) + ((ra << 0wx15) + (opc << 0wx1a)))))
       end

   and Jump {ra, rb, h, disp} = let
          val ra = (emit_GP ra)
          val rb = (emit_GP rb)
          val disp = (emit_int disp)
       in (eWord32 ((disp && 0wx3fff) + ((h << 0wxe) + ((rb << 0wx10) + ((ra << 0wx15) + 0wx68000000)))))
       end

   and Split {le} = let

(*#line 190.1 "alpha/alpha.md"*)
          val i = (LabelExp.valueOf le)

(*#line 191.1 "alpha/alpha.md"*)
          val w = (itow i)

(*#line 192.1 "alpha/alpha.md"*)
          val hi = (w ~>> 0wx10)

(*#line 193.1 "alpha/alpha.md"*)
          val lo = (w && 0wxffff)
       in (if (lo < 0wx8000)
             then (hi, lo)
             else ((hi + 0wx1), (lo - 0wx10000)))
       end

   and LoadStore {opc, ra, rb, disp} = let

(*#line 199.1 "alpha/alpha.md"*)
          val disp = 
             (
              case disp of
              I.REGop rb => (emit_GP rb)
            | I.IMMop i => (itow i)
            | I.HILABop le => (High {le=le})
            | I.LOLABop le => (Low {le=le})
            | I.LABop le => (itow (LabelExp.valueOf le))
            | I.CONSTop c => (itow (Constant.valueOf c))
             )
       in (Memory {opc=opc, ra=ra, rb=rb, disp=disp})
       end


   fun disp lab = ((itow (((Label.addrOf lab) - (! loc)) - 4)) ~>> 0wx2)

   fun emitInstr (I.DEFFREG FP) = ()
     | emitInstr (I.LDA{r, b, d}) = (ILoadStore {opc=0wx8, r=r, b=b, d=d})
     | emitInstr (I.LDAH{r, b, d}) = (ILoadStore {opc=0wx9, r=r, b=b, d=d})
     | emitInstr (I.LOAD{ldOp, r, b, d, mem}) = (ILoadStore {opc=(emit_load ldOp), r=r, b=b, d=d})
     | emitInstr (I.STORE{stOp, r, b, d, mem}) = (ILoadStore {opc=(emit_store stOp), r=r, b=b, d=d})
     | emitInstr (I.FLOAD{ldOp, r, b, d, mem}) = (FLoadStore {opc=(emit_fload ldOp), r=r, b=b, d=d})
     | emitInstr (I.FSTORE{stOp, r, b, d, mem}) = (FLoadStore {opc=(emit_fstore stOp), r=r, b=b, d=d})
     | emitInstr (I.JMPL({r, b, d}, label)) = (Jump {h=0wx0, ra=r, rb=b, disp=d})
     | emitInstr (I.JSR({r, b, d}, cellset1, cellset2, region)) = (Jump {h=0wx1, ra=r, rb=b, disp=d})
     | emitInstr (I.RET{r, b, d}) = (Jump {h=0wx2, ra=r, rb=b, disp=d})
     | emitInstr (I.BRANCH(branch, GP, label)) = (Branch {opc=branch, ra=GP, disp=(disp label)})
     | emitInstr (I.FBRANCH(fbranch, FP, label)) = (Fbranch {opc=fbranch, ra=FP, disp=(disp label)})
     | emitInstr (I.OPERATE{oper, ra, rb, rc}) = let

(*#line 332.1 "alpha/alpha.md"*)
          val(opc, func) = (emit_operate oper)
       in (Operate {opc=opc, func=func, ra=ra, rb=rb, rc=rc})
       end

     | emitInstr (I.OPERATEV{oper, ra, rb, rc}) = let

(*#line 338.1 "alpha/alpha.md"*)
          val(opc, func) = (emit_operateV oper)
       in (Operate {opc=opc, func=func, ra=ra, rb=rb, rc=rc})
       end

     | emitInstr (I.CMOVE{oper, ra, rb, rc}) = (Operate {opc=0wx11, func=(emit_cmove oper), ra=ra, rb=rb, rc=rc})
     | emitInstr (I.PSEUDOARITH{oper, ra, rb, rc, tmps}) = (error "PSEUDOARITH")
     | emitInstr (I.COPY{dst, src, impl, tmp}) = (error "COPY")
     | emitInstr (I.FCOPY{dst, src, impl, tmp}) = (error "FCOPY")
     | emitInstr (I.FUNARY{oper, fb, fc}) = let

(*#line 362.1 "alpha/alpha.md"*)
          val(opc, func) = (emit_funary oper)
       in (Funary {opc=opc, func=func, fb=fb, fc=fc})
       end

     | emitInstr (I.FOPERATE{oper, fa, fb, fc}) = let

(*#line 369.1 "alpha/alpha.md"*)
          val(opc, func) = (emit_foperate oper)
       in (Foperate {opc=opc, func=func, fa=fa, fb=fb, fc=fc})
       end

     | emitInstr (I.FOPERATEV{oper, fa, fb, fc}) = (Foperate {opc=0wx16, func=(emit_foperateV oper), fa=fa, fb=fb, fc=fc})
     | emitInstr (I.FCMOVE{oper, fa, fb, fc}) = (Foperate {opc=0wx17, func=(emit_fcmove oper), fa=fa, fb=fb, fc=fc})
     | emitInstr (I.TRAPB) = (Memory_fun {opc=0wx18, ra=31, rb=31, func=0wx0})
     | emitInstr (I.CALL_PAL{code, def, use}) = (Pal {func=(emit_osf_user_palcode code)})
     | emitInstr (I.ANNOTATION{i, a}) = (emitInstr i)
     | emitInstr (I.GROUP annotation) = (error "GROUP")
       in
           emitInstr
       end
   
   in  S.STREAM{beginCluster=init,
                pseudoOp=pseudoOp,
                emit=emitter,
                endCluster=doNothing,
                defineLabel=doNothing,
                entryLabel=doNothing,
                comment=doNothing,
                exitBlock=doNothing,
                annotation=doNothing,
                phi=doNothing,
                alias=doNothing
               }
   end
end


root@smlnj-gforge.cs.uchicago.edu
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