| Line 3... |
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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// positFDPMul.v
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// positFDPMul.sv
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// - fused dot product posit number multiplier
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// - fused dot product posit number multiplier
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// - parameterized width
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// - parameterized width
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// - perform a multiplication but retain all the product bits
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// - perform a multiplication but retain all the product bits
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// in the result in preparation for addition.
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// in the result in preparation for addition.
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//
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//
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| Line 25... |
Line 25... |
// 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
|
// 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 positFDPMul(a, b, o, zero, inf);
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module positFDPMul(a, b, o, zero, inf);
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`include "positSize.sv"
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localparam rs = $clog2(PSTWID-1);
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input [PSTWID-1:0] a;
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input [PSTWID-1:0] a;
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input [PSTWID-1:0] b;
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input [PSTWID-1:0] b;
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output reg [PSTWID+es+(PSTWID-es)*2-1:0] o;
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output reg [PSTWID+es+(PSTWID-es)*2-1:0] o;
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output zero;
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output zero;
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output inf;
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output inf;
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| Line 48... |
Line 46... |
wire zera, zerb;
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wire zera, zerb;
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wire infa, infb;
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wire infa, infb;
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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) u1 (
|
positDecompose #(PSTWID) u1 (
|
.i(a),
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.i(a),
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.sgn(sa),
|
.sgn(sa),
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.rgs(rgsa),
|
.rgs(rgsa),
|
.rgm(rgma),
|
.rgm(rgma),
|
.exp(expa),
|
.exp(expa),
|
.sig(siga),
|
.sig(siga),
|
.zer(zera),
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.zer(zera),
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.inf(infa)
|
.inf(infa)
|
);
|
);
|
|
|
positDecompose #(PSTWID,es) u2 (
|
positDecompose #(PSTWID) u2 (
|
.i(b),
|
.i(b),
|
.sgn(sb),
|
.sgn(sb),
|
.rgs(rgsb),
|
.rgs(rgsb),
|
.rgm(rgmb),
|
.rgm(rgmb),
|
.exp(expb),
|
.exp(expb),
|
