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Added shift for radix 4 sqrt

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cturek 2022-09-14 17:34:24 +00:00
parent 47d02db2eb
commit da67e02392
1 changed files with 4 additions and 1 deletions
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5
pipelined/src/fpu/fdivsqrtpreproc.sv
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@ -70,7 +70,10 @@ module fdivsqrtpreproc (
assign SqrtX = Xe[0]^XZeroCnt[0] ? {1'b0, ~XZero, PreprocX} : {~XZero, PreprocX, 1'b0};
assign X = Sqrt ? {3'b111, SqrtX, {`DIVb-1-`NF{1'b0}}} : {3'b000, ~XZero, PreprocX, {`DIVb-`NF{1'b0}}};
if (`RADIX == 2)
assign X = Sqrt ? {3'b111, SqrtX, {`DIVb-1-`NF{1'b0}}} : {3'b000, ~XZero, PreprocX, {`DIVb-`NF{1'b0}}};
else
assign X = Sqrt ? {2'b11, SqrtX, {`DIVb-1-`NF{1'b0}}, 1'b0} : {3'b000, ~XZero, PreprocX, {`DIVb-`NF{1'b0}}};
assign Dpreproc = {PreprocY, {`DIVN-1-`NF{1'b0}}};
// radix 2 radix 4