src/add/nmigen_add_experiment.py

   1 # IEEE Floating Point Adder (Single Precision)
   2 # Copyright (C) Jonathan P Dawson 2013
   3 # 2013-12-12
   4
   5 from nmigen import Module, Signal, Cat, Mux, Array, Const
   6 from nmigen.lib.coding import PriorityEncoder
   7 from nmigen.cli import main, verilog
   8 from math import log
   9
  10 from fpbase import FPNumIn, FPNumOut, FPOp, Overflow, FPBase, FPNumBase
  11 from fpbase import MultiShiftRMerge, Trigger
  12 from singlepipe import (ControlBase, StageChain, UnbufferedPipeline,
  13                         PassThroughStage)
  14 from multipipe import CombMuxOutPipe
  15 from multipipe import PriorityCombMuxInPipe
  16
  17 from fpbase import FPState, FPID
  18 from fpcommon.getop import (FPGetOpMod, FPGetOp, FPNumBase2Ops, FPADDBaseData,
  19                             FPGet2OpMod, FPGet2Op)
  20 from fpcommon.denorm import (FPSCData, FPAddDeNormMod, FPAddDeNorm)
  21 from fpcommon.postcalc import FPAddStage1Data
  22 from fpcommon.postnormalise import (FPNorm1Data, FPNorm1ModSingle,
  23                             FPNorm1ModMulti, FPNorm1Single, FPNorm1Multi)
  24 from fpcommon.roundz import (FPRoundData, FPRoundMod, FPRound)
  25 from fpcommon.corrections import (FPCorrectionsMod, FPCorrections)
  26 from fpcommon.pack import (FPPackData, FPPackMod, FPPack)
  27 from fpcommon.normtopack import FPNormToPack
  28 from fpcommon.putz import (FPPutZ, FPPutZIdx)
  29
  30 from fpadd.specialcases import (FPAddSpecialCasesMod, FPAddSpecialCases,
  31                                 FPAddSpecialCasesDeNorm)
  32 from fpadd.align import (FPAddAlignMulti, FPAddAlignMultiMod, FPNumIn2Ops,
  33                          FPAddAlignSingleMod, FPAddAlignSingle)
  34 from fpadd.add0 import (FPAddStage0Data, FPAddStage0Mod, FPAddStage0)
  35 from fpadd.add1 import (FPAddStage1Mod, FPAddStage1)
  36 from fpadd.addstages import FPAddAlignSingleAdd
  37
  38 from fpadd.statemachine import FPADDBase, FPADD
  39 from fpadd.pipeline import FPADDMuxInOut
  40