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Unpackinput cleanup

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This commit is contained in:
David Harris 2022-05-31 22:31:21 +00:00
parent f9533fea1a
commit 475a84491e
1 changed files with 8 additions and 19 deletions
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27
pipelined/src/fpu/unpackinput.sv
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@ -262,23 +262,12 @@ module unpackinput (
end
// is the exponent all 0's
assign ExpZero = ~ExpNonZero;
// add the assumed one (or zero if denormal or zero) to create the mantissa
assign Man = {ExpNonZero, Frac};
// is the input a NaN
// - force to be a NaN if it isn't properly Nan Boxed
assign NaN = ExpMax & ~FracZero;
// is the input a singnaling NaN
assign SNaN = NaN&~Frac[`NF-1];
// is the input infinity
assign Inf = ExpMax & FracZero;
// is the input zero
assign Zero = ExpZero & FracZero;
// Output logic
assign ExpZero = ~ExpNonZero; // is the exponent all 0's?
assign Man = {ExpNonZero, Frac}; // add the assumed one (or zero if denormal or zero) to create the significand
// *** - force to be a NaN if it isn't properly Nan Boxed
assign NaN = ExpMax & ~FracZero; // is the input a NaN?
assign SNaN = NaN&~Frac[`NF-1]; // is the input a singnaling NaN?
assign Inf = ExpMax & FracZero; // is the input infinity?
assign Zero = ExpZero & FracZero; // is the input zero?
endmodule