cvw/wally-pipelined/src/fpu/sbtm.sv

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// module sbtm (input logic [11:0] a, output logic [10:0] ia_out);
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// // bit partitions
// logic [3:0] x0;
// logic [2:0] x1;
// logic [3:0] x2;
// logic [2:0] x2_1cmp;
// // mem outputs
// logic [12:0] y0;
// logic [4:0] y1;
// // input to CPA
// logic [14:0] op1;
// logic [14:0] op2;
// logic [14:0] p;
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// assign x0 = a[10:7];
// assign x1 = a[6:4];
// assign x2 = a[3:0];
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// sbtm_a0 mem1 ({x0, x1}, y0);
// // 1s cmp per sbtm/stam
// assign x2_1cmp = x2[3] ? ~x2[2:0] : x2[2:0];
// sbtm_a1 mem2 ({x0, x2_1cmp}, y1);
// assign op1 = {1'b0, y0, 1'b0};
// // 1s cmp per sbtm/stam
// assign op2 = x2[3] ? {1'b1, {8{1'b1}}, ~y1, 1'b1} :
// {1'b0, 8'b0, y1, 1'b1};
// // CPA
// adder #(15) cp1 (op1, op2, 1'b0, p, cout);
// //assign ia_out = {p[14:4], {53{1'b0}}};
// assign ia_out = p[14:4];
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// endmodule // sbtm