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Switched to XZeroE from NumerZeroE in square root preprocessor

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David Harris 2023-01-10 12:37:49 -08:00
parent e92cffbb5e
commit 3a29e74647
1 changed files with 1 additions and 1 deletions
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pipelined/src/fpu/fdivsqrt/fdivsqrtpreproc.sv
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@ -152,7 +152,7 @@ module fdivsqrtpreproc (
assign DPreproc = IFNormLenD << (mE + {{`DIVBLEN{1'b0}}, 1'b1}); assign DPreproc = IFNormLenD << (mE + {{`DIVBLEN{1'b0}}, 1'b1});
// append leading 1 (for nonzero inputs) and conditionally shift left by one to avoid sqrt(2) // append leading 1 (for nonzero inputs) and conditionally shift left by one to avoid sqrt(2)
mux2 #(`DIVb+1) sqrtxmux({~NumerZeroE, XPreproc}, {1'b0, ~NumerZeroE, XPreproc[`DIVb-1:1]}, (Xe[0]^ell[0]), PreSqrtX); mux2 #(`DIVb+1) sqrtxmux({~XZeroE, XPreproc}, {1'b0, ~XZeroE, XPreproc[`DIVb-1:1]}, (Xe[0]^ell[0]), PreSqrtX);
assign DivX = {3'b000, ~NumerZeroE, XPreproc}; assign DivX = {3'b000, ~NumerZeroE, XPreproc};
// Sqrt is initialized on step one as R(X-1), so depends on Radix // Sqrt is initialized on step one as R(X-1), so depends on Radix