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Merge pull request #603 from stineje/main

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Update cvt bug that was caught with new testbench-fp
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David Harris 2024-01-30 08:52:01 -08:00 committed by GitHub
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src/fpu/postproc/cvtshiftcalc.sv
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@ -99,6 +99,6 @@ module cvtshiftcalc import cvw::*; #(parameter cvw_t P) (
// determine if the result underflows ??? -> fp // determine if the result underflows ??? -> fp
// - if the first 1 is shifted out of the result then the result underflows // - if the first 1 is shifted out of the result then the result underflows
// - can't underflow an integer to fp conversions // - can't underflow an integer to fp conversions
assign CvtResUf = ($signed(CvtCe) < $signed({{P.NE-$clog2(P.NF){1'b1}}, ResNegNF}))&~XZero; // dh &~IntToFp not necessary because integer to float conversion never underflows assign CvtResUf = ($signed(CvtCe) < $signed({{P.NE-$clog2(P.NF){1'b1}}, ResNegNF}))&~XZero&~IntToFp;
endmodule endmodule