# Copyright (C) Jonathan P Dawson 2013
# 2013-12-12
-from nmigen import Module, Signal, Cat, Mux, Array, Const
-from nmigen.lib.coding import PriorityEncoder
+from nmigen import Module, Signal, Cat, Const
from nmigen.cli import main, verilog
from math import log
-from fpbase import FPNumIn, FPNumOut, FPOp, Overflow, FPBase, FPNumBase
-from fpbase import MultiShiftRMerge, Trigger
-from singlepipe import (ControlBase, StageChain, UnbufferedPipeline,
- PassThroughStage)
-from multipipe import CombMuxOutPipe
-from multipipe import PriorityCombMuxInPipe
+from fpbase import FPNumIn
+from singlepipe import UnbufferedPipeline, StageChain
from fpbase import FPState, FPID
from fpcommon.getop import FPADDBaseData
-from fpcommon.denorm import (FPSCData, FPAddDeNormMod, FPAddDeNorm)
+from fpcommon.denorm import (FPSCData, FPAddDeNormMod)
class FPAddSpecialCasesMod: