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Commented fdivsqrt module

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This commit is contained in:
Cedar Turek 2022-12-30 10:52:25 -08:00
parent d19192144b
commit dd78eb6484
1 changed files with 18 additions and 16 deletions
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34
pipelined/src/fpu/fdivsqrt/fdivsqrt.sv
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@ -79,32 +79,34 @@ module fdivsqrt(
// Inputs
.clk, .IFDivStartE, .Xm(XmE), .Ym(YmE), .Xe(XeE), .Ye(YeE),
.Fmt(FmtE), .Sqrt(SqrtE), .XZeroE, .Funct3E,
// Int-specific Inputs
.ForwardedSrcAE, .ForwardedSrcBE, .MDUE, .W64E,
// Outputs
.QeM, .X, .DPreproc,
// Int-specific Inputs
.ForwardedSrcAE, .ForwardedSrcBE, .MDUE, .W64E,
// Int-specific Outputs
.AZeroE, .BZeroE, .nE,
.AZeroM, .BZeroM, .nM, .mM, .AM,
.AZeroE, .BZeroE, .nE, .AZeroM, .BZeroM, .nM, .mM, .AM,
.MDUM, .W64M, .NegQuotM, .ALTBM, .AsM);
fdivsqrtfsm fdivsqrtfsm( // FSM
// Inputs
.clk, .reset, .FmtE, .XInfE, .YInfE,
.XZeroE, .YZeroE, .XNaNE, .YNaNE,
.FDivStartE, .XsE, .SqrtE, .WZeroE,
.FlushE, .StallM,
.clk, .reset, .FmtE, .XInfE, .YInfE, .XZeroE, .YZeroE, .XNaNE, .YNaNE,
.FDivStartE, .XsE, .SqrtE, .WZeroE, .FlushE, .StallM,
// Int-specific Inputs
.IDivStartE, .AZeroE, .BZeroE, .nE, .MDUE,
// Outputs
.FDivBusyE, .IFDivStartE, .FDivDoneE, .SpecialCaseM);
fdivsqrtiter fdivsqrtiter( // CSA Iterator
.clk, .Firstun, .D, .FirstU, .FirstUM, .FirstC, .SqrtE,
.X,.DPreproc, .FirstWS(WS), .FirstWC(WC),
.IFDivStartE, .FDivBusyE);
// Inputs
.clk, .IFDivStartE, .FDivBusyE, .SqrtE, .X, .DPreproc,
// Outputs
.D, .FirstU, .FirstUM, .FirstC, .Firstun, .FirstWS(WS), .FirstWC(WC));
fdivsqrtpostproc fdivsqrtpostproc( // Postprocessor
.clk, .reset, .StallM,
.WS, .WC, .D, .FirstU, .FirstUM, .FirstC, .SqrtE, .Firstun,
.SqrtM, .SpecialCaseM, .RemOpM(Funct3M[1]), .AM,
.nM, .ALTBM, .mM, .BZeroM, .AsM, .NegQuotM, .W64M,
.QmM, .WZeroE, .DivSM, .FPIntDivResultM);
// Inputs
.clk, .reset, .StallM, .WS, .WC, .D, .FirstU, .FirstUM, .FirstC,
.SqrtE, .Firstun, .SqrtM, .SpecialCaseM,
// Outputs
.QmM, .WZeroE, .DivSM,
// Int-specific Inputs
.nM, .mM, .ALTBM, .AsM, .BZeroM, .NegQuotM, .W64M, .RemOpM(Funct3M[1]), .AM,
// Int-specific Output
.FPIntDivResultM);
endmodule