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(* x86comp-instr-ext.sml
*
* COPYRIGHT (c) 2000 Bell Labs, Lucent Technologies
*
* emit code for extensions to the x86 instruction set.
*)
signature X86COMP_INSTR_EXT = sig
structure I : X86INSTR
structure TS : MLTREE_STREAM (* where T = I.T *)
where type T.Basis.cond = I.T.Basis.cond
and type T.Basis.div_rounding_mode = I.T.Basis.div_rounding_mode
and type T.Basis.ext = I.T.Basis.ext
and type T.Basis.fcond = I.T.Basis.fcond
and type T.Basis.rounding_mode = I.T.Basis.rounding_mode
and type T.Constant.const = I.T.Constant.const
and type ('s,'r,'f,'c) T.Extension.ccx = ('s,'r,'f,'c) I.T.Extension.ccx
and type ('s,'r,'f,'c) T.Extension.fx = ('s,'r,'f,'c) I.T.Extension.fx
and type ('s,'r,'f,'c) T.Extension.rx = ('s,'r,'f,'c) I.T.Extension.rx
and type ('s,'r,'f,'c) T.Extension.sx = ('s,'r,'f,'c) I.T.Extension.sx
and type T.I.div_rounding_mode = I.T.I.div_rounding_mode
and type T.Region.region = I.T.Region.region
and type T.ccexp = I.T.ccexp
and type T.fexp = I.T.fexp
(* and type T.labexp = I.T.labexp *)
and type T.mlrisc = I.T.mlrisc
and type T.oper = I.T.oper
and type T.rep = I.T.rep
and type T.rexp = I.T.rexp
and type T.stm = I.T.stm
structure CFG : CONTROL_FLOW_GRAPH (* where I = I and P = TS.S.P *)
where type I.addressing_mode = I.addressing_mode
and type I.ea = I.ea
and type I.instr = I.instr
and type I.instruction = I.instruction
and type I.operand = I.operand
where type P.Client.pseudo_op = TS.S.P.Client.pseudo_op
and type P.T.Basis.cond = TS.S.P.T.Basis.cond
and type P.T.Basis.div_rounding_mode = TS.S.P.T.Basis.div_rounding_mode
and type P.T.Basis.ext = TS.S.P.T.Basis.ext
and type P.T.Basis.fcond = TS.S.P.T.Basis.fcond
and type P.T.Basis.rounding_mode = TS.S.P.T.Basis.rounding_mode
and type P.T.Constant.const = TS.S.P.T.Constant.const
and type ('s,'r,'f,'c) P.T.Extension.ccx = ('s,'r,'f,'c) TS.S.P.T.Extension.ccx
and type ('s,'r,'f,'c) P.T.Extension.fx = ('s,'r,'f,'c) TS.S.P.T.Extension.fx
and type ('s,'r,'f,'c) P.T.Extension.rx = ('s,'r,'f,'c) TS.S.P.T.Extension.rx
and type ('s,'r,'f,'c) P.T.Extension.sx = ('s,'r,'f,'c) TS.S.P.T.Extension.sx
and type P.T.I.div_rounding_mode = TS.S.P.T.I.div_rounding_mode
and type P.T.Region.region = TS.S.P.T.Region.region
and type P.T.ccexp = TS.S.P.T.ccexp
and type P.T.fexp = TS.S.P.T.fexp
(* and type P.T.labexp = TS.S.P.T.labexp *)
and type P.T.mlrisc = TS.S.P.T.mlrisc
and type P.T.oper = TS.S.P.T.oper
and type P.T.rep = TS.S.P.T.rep
and type P.T.rexp = TS.S.P.T.rexp
and type P.T.stm = TS.S.P.T.stm
type reducer =
(I.instruction, I.C.cellset, I.operand, I.addressing_mode, CFG.cfg) TS.reducer
val compileSext :
reducer
-> {stm: (I.T.stm, I.T.rexp, I.T.fexp, I.T.ccexp) X86InstrExt.sext,
an: I.T.an list}
-> unit
end
functor X86CompInstrExt
( structure I : X86INSTR
structure TS : MLTREE_STREAM (* where T = I.T *)
where type T.Basis.cond = I.T.Basis.cond
and type T.Basis.div_rounding_mode = I.T.Basis.div_rounding_mode
and type T.Basis.ext = I.T.Basis.ext
and type T.Basis.fcond = I.T.Basis.fcond
and type T.Basis.rounding_mode = I.T.Basis.rounding_mode
and type T.Constant.const = I.T.Constant.const
and type ('s,'r,'f,'c) T.Extension.ccx = ('s,'r,'f,'c) I.T.Extension.ccx
and type ('s,'r,'f,'c) T.Extension.fx = ('s,'r,'f,'c) I.T.Extension.fx
and type ('s,'r,'f,'c) T.Extension.rx = ('s,'r,'f,'c) I.T.Extension.rx
and type ('s,'r,'f,'c) T.Extension.sx = ('s,'r,'f,'c) I.T.Extension.sx
and type T.I.div_rounding_mode = I.T.I.div_rounding_mode
and type T.Region.region = I.T.Region.region
and type T.ccexp = I.T.ccexp
and type T.fexp = I.T.fexp
(* and type T.labexp = I.T.labexp *)
and type T.mlrisc = I.T.mlrisc
and type T.oper = I.T.oper
and type T.rep = I.T.rep
and type T.rexp = I.T.rexp
and type T.stm = I.T.stm
structure CFG : CONTROL_FLOW_GRAPH (* where P = TS.S.P and I = I *)
where type P.Client.pseudo_op = TS.S.P.Client.pseudo_op
and type P.T.Basis.cond = TS.S.P.T.Basis.cond
and type P.T.Basis.div_rounding_mode = TS.S.P.T.Basis.div_rounding_mode
and type P.T.Basis.ext = TS.S.P.T.Basis.ext
and type P.T.Basis.fcond = TS.S.P.T.Basis.fcond
and type P.T.Basis.rounding_mode = TS.S.P.T.Basis.rounding_mode
and type P.T.Constant.const = TS.S.P.T.Constant.const
and type ('s,'r,'f,'c) P.T.Extension.ccx = ('s,'r,'f,'c) TS.S.P.T.Extension.ccx
and type ('s,'r,'f,'c) P.T.Extension.fx = ('s,'r,'f,'c) TS.S.P.T.Extension.fx
and type ('s,'r,'f,'c) P.T.Extension.rx = ('s,'r,'f,'c) TS.S.P.T.Extension.rx
and type ('s,'r,'f,'c) P.T.Extension.sx = ('s,'r,'f,'c) TS.S.P.T.Extension.sx
and type P.T.I.div_rounding_mode = TS.S.P.T.I.div_rounding_mode
and type P.T.Region.region = TS.S.P.T.Region.region
and type P.T.ccexp = TS.S.P.T.ccexp
and type P.T.fexp = TS.S.P.T.fexp
(* and type P.T.labexp = TS.S.P.T.labexp *)
and type P.T.mlrisc = TS.S.P.T.mlrisc
and type P.T.oper = TS.S.P.T.oper
and type P.T.rep = TS.S.P.T.rep
and type P.T.rexp = TS.S.P.T.rexp
and type P.T.stm = TS.S.P.T.stm
where type I.addressing_mode = I.addressing_mode
and type I.ea = I.ea
and type I.instr = I.instr
and type I.instruction = I.instruction
and type I.operand = I.operand
) : X86COMP_INSTR_EXT =
struct
structure CFG = CFG
structure T = TS.T
structure I = I
structure C = I.C
structure X = X86InstrExt
structure TS = TS
type stm = (T.stm, T.rexp, T.fexp, T.ccexp) X.sext
type reducer =
(I.instruction, I.C.cellset, I.operand, I.addressing_mode, CFG.cfg) TS.reducer
val esp = C.esp
val espOpnd = I.Direct(esp)
fun error msg = MLRiscErrorMsg.error("X86CompInstrExt", msg)
val stackArea = I.Region.stack
fun compileSext reducer {stm: stm, an:T.an list} = let
val TS.REDUCER{operand, emit, reduceFexp, instrStream, reduceOperand,
...} = reducer
val TS.S.STREAM{emit=emitI, ...} = instrStream
fun fstp(sz, fstpInstr, fexp) =
(case fexp
of T.FREG(sz', f) =>
if sz <> sz' then error "fstp: sz"
else emitI(I.INSTR(fstpInstr(I.FDirect f)))
| _ => error "fstp: fexp"
(*esac*))
in
case stm
of X.PUSHL(rexp) => emit(I.pushl(operand rexp), an)
| X.POP(rexp) => emit(I.pop(operand rexp), an)
| X.FSTPS(fexp) => fstp(32, I.FSTPS, fexp)
| X.FSTPL(fexp) => fstp(64, I.FSTPL, fexp)
| X.FSTPT(fexp) => fstp(80, I.FSTPT, fexp)
| X.LEAVE => emit(I.leave, an)
| X.RET(rexp) => emit(I.ret(SOME(operand rexp)), an)
| X.LOCK_CMPXCHGL(src, dst) =>
(* src must in a register *)
emit(I.cmpxchg{lock=true,sz=I.I32,
src=I.Direct(reduceOperand(operand src)),
dst=operand dst},an)
| X.PAUSE => emit(I.pause, an)
| X.MFENCE => emit(I.mfence, an)
| X.LFENCE => emit(I.lfence, an)
| X.SFENCE => emit(I.sfence, an)
end
end
|
