You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

249 lines
5.7 KiB
Verilog

// © IBM Corp. 2020
// Licensed under the Apache License, Version 2.0 (the "License"), as modified by
// the terms below; you may not use the files in this repository except in
// compliance with the License as modified.
// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
//
// Modified Terms:
//
// 1) For the purpose of the patent license granted to you in Section 3 of the
// License, the "Work" hereby includes implementations of the work of authorship
// in physical form.
//
// 2) Notwithstanding any terms to the contrary in the License, any licenses
// necessary for implementation of the Work that are available from OpenPOWER
// via the Power ISA End User License Agreement (EULA) are explicitly excluded
// hereunder, and may be obtained from OpenPOWER under the terms and conditions
// of the EULA.
//
// Unless required by applicable law or agreed to in writing, the reference design
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
// for the specific language governing permissions and limitations under the License.
//
// Additional rights, including the ability to physically implement a softcore that
// is compliant with the required sections of the Power ISA Specification, are
// available at no cost under the terms of the OpenPOWER Power ISA EULA, which can be
// obtained (along with the Power ISA) here: https://openpowerfoundation.org.
`timescale 1 ns / 1 ns
`include "tri_a2o.vh"
module tri_fu_tblmul_bthrow(
x,
s_neg,
s_x,
s_x2,
q
);
input [0:15] x; //
input s_neg; // negate the row
input s_x; // shift by 1
input s_x2; // shift by 2
output [0:16] q; // final output
// ENTITY
parameter tiup = 1'b1;
parameter tidn = 1'b0;
wire [0:16] left;
wire unused;
////################################################################
////# A row of the repeated part of the booth_mux row
////################################################################
assign unused = left[0];
tri_fu_mul_bthmux u00(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(tidn), //i-- ********
.left(left[0]), //o-- [n]
.right(left[1]), //i-- [n+1]
.q(q[0]) //o--
);
tri_fu_mul_bthmux u01(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[0]), //i-- [n-1]
.left(left[1]), //o-- [n]
.right(left[2]), //i-- [n+1]
.q(q[1]) //o--
);
tri_fu_mul_bthmux u02(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[1]), //i--
.left(left[2]), //o--
.right(left[3]), //i--
.q(q[2]) //o--
);
tri_fu_mul_bthmux u03(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[2]), //i--
.left(left[3]), //o--
.right(left[4]), //i--
.q(q[3]) //o--
);
tri_fu_mul_bthmux u04(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[3]), //i--
.left(left[4]), //o--
.right(left[5]), //i--
.q(q[4]) //o--
);
tri_fu_mul_bthmux u05(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[4]), //i--
.left(left[5]), //o--
.right(left[6]), //i--
.q(q[5]) //o--
);
tri_fu_mul_bthmux u06(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[5]), //i--
.left(left[6]), //o--
.right(left[7]), //i--
.q(q[6]) //o--
);
tri_fu_mul_bthmux u07(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[6]), //i--
.left(left[7]), //o--
.right(left[8]), //i--
.q(q[7]) //o--
);
tri_fu_mul_bthmux u08(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[7]), //i--
.left(left[8]), //o--
.right(left[9]), //i--
.q(q[8]) //o--
);
tri_fu_mul_bthmux u09(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[8]), //i--
.left(left[9]), //o--
.right(left[10]), //i--
.q(q[9]) //o--
);
tri_fu_mul_bthmux u10(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[9]), //i--
.left(left[10]), //o--
.right(left[11]), //i--
.q(q[10]) //o--
);
tri_fu_mul_bthmux u11(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[10]), //i--
.left(left[11]), //o--
.right(left[12]), //i--
.q(q[11]) //o--
);
tri_fu_mul_bthmux u12(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[11]), //i--
.left(left[12]), //o--
.right(left[13]), //i--
.q(q[12]) //o--
);
tri_fu_mul_bthmux u13(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[12]), //i--
.left(left[13]), //o--
.right(left[14]), //i--
.q(q[13]) //o--
);
tri_fu_mul_bthmux u14(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[13]), //i--
.left(left[14]), //o--
.right(left[15]), //i--
.q(q[14]) //o--
);
tri_fu_mul_bthmux u15(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[14]), //i--
.left(left[15]), //o--
.right(left[16]), //i--
.q(q[15]) //o--
);
tri_fu_mul_bthmux u16(
.sneg(s_neg), //i--
.sx(s_x), //i--
.sx2(s_x2), //i--
.x(x[15]), //i--
.left(left[16]), //o--
.right(s_neg), //i--
.q(q[16]) //o--
);
endmodule