OpenCores
URL https://opencores.org/ocsvn/ft816float/ft816float/trunk

Subversion Repositories ft816float

[/] [ft816float/] [trunk/] [rtl/] [positVerilog/] [positFDPMul.sv] - Diff between revs 42 and 48

Go to most recent revision | Show entire file | Details | Blame | View Log

Rev 42 Rev 48
Line 3... Line 3...
//   \\__/ o\    (C) 2020  Robert Finch, Waterloo
//   \\__/ o\    (C) 2020  Robert Finch, Waterloo
//    \  __ /    All rights reserved.
//    \  __ /    All rights reserved.
//     \/_//     robfinch@finitron.ca
//     \/_//     robfinch@finitron.ca
//       ||
//       ||
//
//
//      positFDPMul.v
//      positFDPMul.sv
//    - fused dot product posit number multiplier
//    - fused dot product posit number multiplier
//    - parameterized width
//    - parameterized width
//    - perform a multiplication but retain all the product bits
//    - perform a multiplication but retain all the product bits
//      in the result in preparation for addition.
//      in the result in preparation for addition.
//
//
Line 25... Line 25...
// You should have received a copy of the GNU General Public License
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see .
// along with this program.  If not, see .
//
//
// ============================================================================
// ============================================================================
 
 
`include "positConfig.sv"
import posit::*;
 
 
module positFDPMul(a, b, o, zero, inf);
module positFDPMul(a, b, o, zero, inf);
`include "positSize.sv"
 
localparam rs = $clog2(PSTWID-1);
 
input [PSTWID-1:0] a;
input [PSTWID-1:0] a;
input [PSTWID-1:0] b;
input [PSTWID-1:0] b;
output reg [PSTWID+es+(PSTWID-es)*2-1:0] o;
output reg [PSTWID+es+(PSTWID-es)*2-1:0] o;
output zero;
output zero;
output inf;
output inf;
Line 48... Line 46...
wire zera, zerb;
wire zera, zerb;
wire infa, infb;
wire infa, infb;
wire inf = infa|infb;
wire inf = infa|infb;
wire zero = zera|zerb;
wire zero = zera|zerb;
 
 
positDecompose #(PSTWID,es) u1 (
positDecompose #(PSTWID) u1 (
  .i(a),
  .i(a),
  .sgn(sa),
  .sgn(sa),
  .rgs(rgsa),
  .rgs(rgsa),
  .rgm(rgma),
  .rgm(rgma),
  .exp(expa),
  .exp(expa),
  .sig(siga),
  .sig(siga),
  .zer(zera),
  .zer(zera),
  .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),

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.