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Line 3... |
// \\__/ o\ (C) 2020 Robert Finch, Waterloo
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// \\__/ o\ (C) 2020 Robert Finch, Waterloo
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// \ __ / All rights reserved.
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// \ __ / All rights reserved.
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// \/_// robfinch@finitron.ca
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// \/_// robfinch@finitron.ca
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// ||
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// ||
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//
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//
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// positFDPAddsub.v
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// positFDPAddsub.sv
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// - posit number adder/subtracter
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// - posit number adder/subtracter
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// - parameterized width
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// - parameterized width
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//
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//
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//
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//
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// This source file is free software: you can redistribute it and/or modify
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// This source file is free software: you can redistribute it and/or modify
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// You should have received a copy of the GNU General Public License
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see .
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// along with this program. If not, see .
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//
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//
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// ============================================================================
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// ============================================================================
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|
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`include "positConfig.sv"
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import posit::*;
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|
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module positFDPAddsub(op, a, b, o, z, i);
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module positFDPAddsub(op, a, b, o, z, i);
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`include "positSize.sv"
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localparam rs = $clog2(PSTWID-1)-1;
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localparam rs = $clog2(PSTWID-1)-1;
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input op;
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input op;
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input [PSTWID+es+(PSTWID-es)*2-1:0] a;
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input [PSTWID+es+(PSTWID-es)*2-1:0] a;
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input [PSTWID+es+(PSTWID-es)*2-1:0] b;
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input [PSTWID+es+(PSTWID-es)*2-1:0] b;
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output reg [PSTWID-1:0] o;
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output reg [PSTWID-1:0] o;
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wire infa, infb;
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wire infa, infb;
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wire [PSTWID+es+(PSTWID-es)*2-1:0] aa, bb;
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wire [PSTWID+es+(PSTWID-es)*2-1:0] aa, bb;
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wire inf = infa|infb;
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wire inf = infa|infb;
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wire zero = zera & zerb;
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wire zero = zera & zerb;
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positDecompose #(PSTWID+es+(PSTWID-es)*2,es) u1 (
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positDecompose #(PSTWID+es+(PSTWID-es)*2) u1 (
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.i(a),
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.i(a),
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.sgn(sa),
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.sgn(sa),
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.rgs(rgsa),
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.rgs(rgsa),
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.rgm(rgma),
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.rgm(rgma),
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.exp(expa),
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.exp(expa),
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.sig(siga),
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.sig(siga),
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.zer(zera),
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.zer(zera),
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.inf(infa)
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.inf(infa)
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);
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);
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positDecompose #(PSTWID+es+(PSTWID-es)*2,es) u2 (
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positDecompose #(PSTWID+es+(PSTWID-es)*2) u2 (
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.i(b),
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.i(b),
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.sgn(sb),
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.sgn(sb),
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.rgs(rgsb),
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.rgs(rgsb),
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.rgm(rgmb),
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.rgm(rgmb),
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.exp(expb),
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.exp(expb),
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