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|
(*
* WARNING: This file was automatically generated by MDLGen (v3.1)
* from the machine description file "x86/x86.mdl".
* DO NOT EDIT this file directly
*)
functor X86MCEmitter(structure Instr : X86INSTR
structure MLTreeEval : MLTREE_EVAL where T = Instr.T
structure Stream : INSTRUCTION_STREAM
structure CodeString : CODE_STRING
) : INSTRUCTION_EMITTER =
struct
structure I = Instr
structure C = I.C
structure Constant = I.Constant
structure T = I.T
structure S = Stream
structure P = S.P
structure W = Word32
(* X86 is little endian *)
fun error msg = MLRiscErrorMsg.error("X86MC",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(MLTreeEval.valueOf le)
fun emit_const c = itow(Constant.valueOf c)
val w32ToByte = Word8.fromLarge o Word32.toLarge
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, w32ToByte w) end
fun doNothing _ = ()
fun fail _ = raise Fail "MCEmitter"
fun getAnnotations () = error "getAnnotations"
fun pseudoOp pOp = P.emitValue{pOp=pOp, loc= !loc,emit=eByte}
fun init n = (CodeString.init n; loc := 0)
fun eWord8 w =
let val b8 = w
in eByteW b8
end
and eWord16 w =
let val b8 = w
val w = w >> 0wx8
val b16 = w
in
( eByteW b8;
eByteW b16 )
end
and 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_GP r = itow (CellsBasis.physicalRegisterNum r)
and emit_FP r = itow (CellsBasis.physicalRegisterNum r)
and emit_CC r = itow (CellsBasis.physicalRegisterNum r)
and emit_EFLAGS r = itow (CellsBasis.physicalRegisterNum r)
and emit_FFLAGS r = itow (CellsBasis.physicalRegisterNum r)
and emit_MEM r = itow (CellsBasis.physicalRegisterNum r)
and emit_CTRL r = itow (CellsBasis.physicalRegisterNum r)
and emit_CELLSET r = itow (CellsBasis.physicalRegisterNum r)
fun emit_cond (I.EQ) = (0wx4 : Word32.word)
| emit_cond (I.NE) = (0wx5 : Word32.word)
| emit_cond (I.LT) = (0wxC : Word32.word)
| emit_cond (I.LE) = (0wxE : Word32.word)
| emit_cond (I.GT) = (0wxF : Word32.word)
| emit_cond (I.GE) = (0wxD : Word32.word)
| emit_cond (I.B) = (0wx2 : Word32.word)
| emit_cond (I.BE) = (0wx6 : Word32.word)
| emit_cond (I.A) = (0wx7 : Word32.word)
| emit_cond (I.AE) = (0wx3 : Word32.word)
| emit_cond (I.C) = (0wx2 : Word32.word)
| emit_cond (I.NC) = (0wx3 : Word32.word)
| emit_cond (I.P) = (0wxA : Word32.word)
| emit_cond (I.NP) = (0wxB : Word32.word)
| emit_cond (I.O) = (0wx0 : Word32.word)
| emit_cond (I.NO) = (0wx1 : Word32.word)
and emit_fibinOp (I.FIADDS) = (0wxDE, 0)
| emit_fibinOp (I.FIMULS) = (0wxDE, 1)
| emit_fibinOp (I.FICOMS) = (0wxDE, 2)
| emit_fibinOp (I.FICOMPS) = (0wxDE, 3)
| emit_fibinOp (I.FISUBS) = (0wxDE, 4)
| emit_fibinOp (I.FISUBRS) = (0wxDE, 5)
| emit_fibinOp (I.FIDIVS) = (0wxDE, 6)
| emit_fibinOp (I.FIDIVRS) = (0wxDE, 7)
| emit_fibinOp (I.FIADDL) = (0wxDA, 0)
| emit_fibinOp (I.FIMULL) = (0wxDA, 1)
| emit_fibinOp (I.FICOML) = (0wxDA, 2)
| emit_fibinOp (I.FICOMPL) = (0wxDA, 3)
| emit_fibinOp (I.FISUBL) = (0wxDA, 4)
| emit_fibinOp (I.FISUBRL) = (0wxDA, 5)
| emit_fibinOp (I.FIDIVL) = (0wxDA, 6)
| emit_fibinOp (I.FIDIVRL) = (0wxDA, 7)
and emit_funOp (I.FCHS) = (0wxE0 : Word32.word)
| emit_funOp (I.FABS) = (0wxE1 : Word32.word)
| emit_funOp (I.FTST) = (0wxE4 : Word32.word)
| emit_funOp (I.FXAM) = (0wxE5 : Word32.word)
| emit_funOp (I.FPTAN) = (0wxF2 : Word32.word)
| emit_funOp (I.FPATAN) = (0wxF3 : Word32.word)
| emit_funOp (I.FXTRACT) = (0wxF4 : Word32.word)
| emit_funOp (I.FPREM1) = (0wxF5 : Word32.word)
| emit_funOp (I.FDECSTP) = (0wxF6 : Word32.word)
| emit_funOp (I.FINCSTP) = (0wxF7 : Word32.word)
| emit_funOp (I.FPREM) = (0wxF8 : Word32.word)
| emit_funOp (I.FYL2XP1) = (0wxF9 : Word32.word)
| emit_funOp (I.FSQRT) = (0wxFA : Word32.word)
| emit_funOp (I.FSINCOS) = (0wxFB : Word32.word)
| emit_funOp (I.FRNDINT) = (0wxFC : Word32.word)
| emit_funOp (I.FSCALE) = (0wxFD : Word32.word)
| emit_funOp (I.FSIN) = (0wxFE : Word32.word)
| emit_funOp (I.FCOS) = (0wxFF : Word32.word)
fun modrm {mod, reg, rm} = eWord8 ((op mod << 0wx6) + ((reg << 0wx3) + rm))
and reg {opc, reg} = eWord8 ((opc << 0wx3) + reg)
and sib {ss, index, base} = eWord8 ((ss << 0wx6) + ((index << 0wx3) + base))
and immed8 {imm} = eWord8 imm
and immed32 {imm} = eWord32 imm
and immedOpnd {opnd} =
(case opnd of
I.Immed i32 => i32
| I.ImmedLabel le => lexp le
| I.LabelEA le => lexp le
| _ => error "immedOpnd"
)
and extension {opc, opnd} =
(case opnd of
I.Direct r => modrm {mod=3, reg=opc, rm=r}
| I.MemReg _ => extension {opc=opc, opnd=memReg opnd}
| I.FDirect _ => extension {opc=opc, opnd=memReg opnd}
| I.Displace{base, disp, ...} =>
let
(*#line 475.13 "x86/x86.mdl"*)
val immed = immedOpnd {opnd=disp}
in ()
end
| I.Indexed{base=NONE, index, scale, disp, ...} => ()
| I.Indexed{base=SOME b, index, scale, disp, ...} => ()
| _ => error "immedExt"
)
and encodeST {prefix, opc, st} =
let val st = emit_FP st
in eWord16 ((prefix << 0wx8) + ((opc << 0wx3) + st))
end
and encodeReg {prefix, reg, opnd} =
let val reg = emit_GP reg
in
( emit prefix;
immedExt {opc=reg, opnd=opnd})
end
and arith {opc1, opc2, src, dst} =
(case (src, dst) of
(I.ImmedLabel le, dst) => arith {opc1=opc1, opc2=opc2, src=I.Immed (lexp le),
dst=dst}
| (I.LabelEA le, dst) => arith {opc1=opc1, opc2=opc2, src=I.Immed (lexp le),
dst=dst}
| (I.Immed i, dst) => ()
| (src, I.Direct r) => encodeReg {prefix=opc1 + op3, reg=reg, opnd=src}
| (I.Direct r, dst) => encodeReg {prefix=opc1 + 0wx1, reg=reg, opnd=dst}
| _ => error "arith"
)
fun emitter instr =
let
fun emitInstr (I.NOP) = error "NOP"
| emitInstr (I.JMP(operand, list)) = error "JMP"
| emitInstr (I.JCC{cond, opnd}) = error "JCC"
| emitInstr (I.CALL{opnd, defs, uses, return, cutsTo, mem, pops}) = error "CALL"
| emitInstr (I.ENTER{src1, src2}) = error "ENTER"
| emitInstr (I.LEAVE) = error "LEAVE"
| emitInstr (I.RET option) = error "RET"
| emitInstr (I.MOVE{mvOp, src, dst}) = error "MOVE"
| emitInstr (I.LEA{r32, addr}) = error "LEA"
| emitInstr (I.CMPL{lsrc, rsrc}) = error "CMPL"
| emitInstr (I.CMPW{lsrc, rsrc}) = error "CMPW"
| emitInstr (I.CMPB{lsrc, rsrc}) = error "CMPB"
| emitInstr (I.TESTL{lsrc, rsrc}) = error "TESTL"
| emitInstr (I.TESTW{lsrc, rsrc}) = error "TESTW"
| emitInstr (I.TESTB{lsrc, rsrc}) = error "TESTB"
| emitInstr (I.BITOP{bitOp, lsrc, rsrc}) = error "BITOP"
| emitInstr (I.BINARY{binOp, src, dst}) = error "BINARY"
| emitInstr (I.SHIFT{shiftOp, src, dst, count}) = error "SHIFT"
| emitInstr (I.CMPXCHG{lock, sz, src, dst}) = error "CMPXCHG"
| emitInstr (I.MULTDIV{multDivOp, src}) = error "MULTDIV"
| emitInstr (I.MUL3{dst, src2, src1}) = error "MUL3"
| emitInstr (I.UNARY{unOp, opnd}) = error "UNARY"
| emitInstr (I.SET{cond, opnd}) = error "SET"
| emitInstr (I.CMOV{cond, src, dst}) = error "CMOV"
| emitInstr (I.PUSHL operand) = error "PUSHL"
| emitInstr (I.PUSHW operand) = error "PUSHW"
| emitInstr (I.PUSHB operand) = error "PUSHB"
| emitInstr (I.PUSHFD) = error "PUSHFD"
| emitInstr (I.POPFD) = error "POPFD"
| emitInstr (I.POP operand) = error "POP"
| emitInstr (I.CDQ) = error "CDQ"
| emitInstr (I.INTO) = error "INTO"
| emitInstr (I.FBINARY{binOp, src, dst}) = error "FBINARY"
| emitInstr (I.FIBINARY{binOp, src}) = error "FIBINARY"
| emitInstr (I.FUNARY funOp) = error "FUNARY"
| emitInstr (I.FUCOM operand) = error "FUCOM"
| emitInstr (I.FUCOMP operand) = error "FUCOMP"
| emitInstr (I.FUCOMPP) = error "FUCOMPP"
| emitInstr (I.FCOMPP) = error "FCOMPP"
| emitInstr (I.FCOMI operand) = error "FCOMI"
| emitInstr (I.FCOMIP operand) = error "FCOMIP"
| emitInstr (I.FUCOMI operand) = error "FUCOMI"
| emitInstr (I.FUCOMIP operand) = error "FUCOMIP"
| emitInstr (I.FXCH{opnd}) = error "FXCH"
| emitInstr (I.FSTPL operand) = error "FSTPL"
| emitInstr (I.FSTPS operand) = error "FSTPS"
| emitInstr (I.FSTPT operand) = error "FSTPT"
| emitInstr (I.FSTL operand) = error "FSTL"
| emitInstr (I.FSTS operand) = error "FSTS"
| emitInstr (I.FLD1) = error "FLD1"
| emitInstr (I.FLDL2E) = error "FLDL2E"
| emitInstr (I.FLDL2T) = error "FLDL2T"
| emitInstr (I.FLDLG2) = error "FLDLG2"
| emitInstr (I.FLDLN2) = error "FLDLN2"
| emitInstr (I.FLDPI) = error "FLDPI"
| emitInstr (I.FLDZ) = error "FLDZ"
| emitInstr (I.FLDL operand) = error "FLDL"
| emitInstr (I.FLDS operand) = error "FLDS"
| emitInstr (I.FLDT operand) = error "FLDT"
| emitInstr (I.FILD operand) = error "FILD"
| emitInstr (I.FILDL operand) = error "FILDL"
| emitInstr (I.FILDLL operand) = error "FILDLL"
| emitInstr (I.FNSTSW) = error "FNSTSW"
| emitInstr (I.FENV{fenvOp, opnd}) = error "FENV"
| emitInstr (I.FMOVE{fsize, src, dst}) = error "FMOVE"
| emitInstr (I.FILOAD{isize, ea, dst}) = error "FILOAD"
| emitInstr (I.FBINOP{fsize, binOp, lsrc, rsrc, dst}) = error "FBINOP"
| emitInstr (I.FIBINOP{isize, binOp, lsrc, rsrc, dst}) = error "FIBINOP"
| emitInstr (I.FUNOP{fsize, unOp, src, dst}) = error "FUNOP"
| emitInstr (I.FCMP{i, fsize, lsrc, rsrc}) = error "FCMP"
| emitInstr (I.SAHF) = error "SAHF"
| emitInstr (I.LFENCE) = error "LFENCE"
| emitInstr (I.MFENCE) = error "MFENCE"
| emitInstr (I.SFENCE) = error "SFENCE"
| emitInstr (I.PAUSE) = error "PAUSE"
| emitInstr (I.LAHF) = error "LAHF"
| emitInstr (I.SOURCE{}) = ()
| emitInstr (I.SINK{}) = ()
| emitInstr (I.PHI{}) = ()
in
emitInstr instr
end
fun emitInstruction(I.ANNOTATION{i, ...}) = emitInstruction(i)
| emitInstruction(I.INSTR(i)) = emitter(i)
| emitInstruction(I.LIVE _) = ()
| emitInstruction(I.KILL _) = ()
| emitInstruction _ = error "emitInstruction"
in S.STREAM{beginCluster=init,
pseudoOp=pseudoOp,
emit=emitInstruction,
endCluster=fail,
defineLabel=doNothing,
entryLabel=doNothing,
comment=doNothing,
exitBlock=doNothing,
annotation=doNothing,
getAnnotations=getAnnotations
}
end
end
|
