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Cedar Turek 2022-12-30 11:11:34 -08:00
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1 changed files with 18 additions and 25 deletions
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pipelined/src/fpu/fdivsqrt/fdivsqrt.sv
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@ -77,38 +77,31 @@ module fdivsqrt(
logic NegQuotM, ALTBM, AsM, W64M; // Special handling for postprocessor logic NegQuotM, ALTBM, AsM, W64M; // Special handling for postprocessor
logic [`XLEN-1:0] AM; // Original Numerator for postprocessor logic [`XLEN-1:0] AM; // Original Numerator for postprocessor
fdivsqrtpreproc fdivsqrtpreproc( // Preprocessor fdivsqrtpreproc fdivsqrtpreproc( // Preprocessor
// Inputs .clk, .IFDivStartE, .Xm(XmE), .Ym(YmE), .Xe(XeE), .Ye(YeE),
.clk, .IFDivStartE, .Xm(XmE), .Ym(YmE), .Xe(XeE), .Ye(YeE), .Fmt(FmtE), .Sqrt(SqrtE), .XZeroE, .Funct3E,
.Fmt(FmtE), .Sqrt(SqrtE), .XZeroE, .Funct3E,
// Outputs
.QeM, .X, .DPreproc, .QeM, .X, .DPreproc,
// Int-specific Inputs // Int-specific
.ForwardedSrcAE, .ForwardedSrcBE, .MDUE, .W64E, .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); .MDUM, .W64M, .NegQuotM, .ALTBM, .AsM);
fdivsqrtfsm fdivsqrtfsm( // FSM
// Inputs fdivsqrtfsm fdivsqrtfsm( // FSM
.clk, .reset, .FmtE, .XInfE, .YInfE, .XZeroE, .YZeroE, .XNaNE, .YNaNE, .clk, .reset, .FmtE, .XInfE, .YInfE, .XZeroE, .YZeroE, .XNaNE, .YNaNE,
.FDivStartE, .XsE, .SqrtE, .WZeroE, .FlushE, .StallM, .FDivStartE, .XsE, .SqrtE, .WZeroE, .FlushE, .StallM,
// Int-specific Inputs .FDivBusyE, .IFDivStartE, .FDivDoneE, .SpecialCaseM,
.IDivStartE, .AZeroE, .BZeroE, .nE, .MDUE, // Int-specific
// Outputs .IDivStartE, .AZeroE, .BZeroE, .nE, .MDUE);
.FDivBusyE, .IFDivStartE, .FDivDoneE, .SpecialCaseM);
fdivsqrtiter fdivsqrtiter( // CSA Iterator fdivsqrtiter fdivsqrtiter( // CSA Iterator
// Inputs .clk, .IFDivStartE, .FDivBusyE, .SqrtE, .X, .DPreproc,
.clk, .IFDivStartE, .FDivBusyE, .SqrtE, .X, .DPreproc,
// Outputs
.D, .FirstU, .FirstUM, .FirstC, .Firstun, .FirstWS(WS), .FirstWC(WC)); .D, .FirstU, .FirstUM, .FirstC, .Firstun, .FirstWS(WS), .FirstWC(WC));
fdivsqrtpostproc fdivsqrtpostproc( // Postprocessor
// Inputs fdivsqrtpostproc fdivsqrtpostproc( // Postprocessor
.clk, .reset, .StallM, .WS, .WC, .D, .FirstU, .FirstUM, .FirstC, .clk, .reset, .StallM, .WS, .WC, .D, .FirstU, .FirstUM, .FirstC,
.SqrtE, .Firstun, .SqrtM, .SpecialCaseM, .SqrtE, .Firstun, .SqrtM, .SpecialCaseM,
// Outputs
.QmM, .WZeroE, .DivSM, .QmM, .WZeroE, .DivSM,
// Int-specific Inputs // Int-specific
.nM, .mM, .ALTBM, .AsM, .BZeroM, .NegQuotM, .W64M, .RemOpM(Funct3M[1]), .AM, .nM, .mM, .ALTBM, .AsM, .BZeroM, .NegQuotM, .W64M, .RemOpM(Funct3M[1]), .AM,
// Int-specific Output
.FPIntDivResultM); .FPIntDivResultM);
endmodule endmodule