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1848 lines
47 KiB
Verilog
1848 lines
47 KiB
Verilog
3 years ago
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// © IBM Corp. 2020
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// Licensed under the Apache License, Version 2.0 (the "License"), as modified by
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// the terms below; you may not use the files in this repository except in
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// compliance with the License as modified.
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// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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//
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// Modified Terms:
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//
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// 1) For the purpose of the patent license granted to you in Section 3 of the
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// License, the "Work" hereby includes implementations of the work of authorship
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// in physical form.
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//
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// 2) Notwithstanding any terms to the contrary in the License, any licenses
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// necessary for implementation of the Work that are available from OpenPOWER
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// via the Power ISA End User License Agreement (EULA) are explicitly excluded
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// hereunder, and may be obtained from OpenPOWER under the terms and conditions
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// of the EULA.
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//
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// Unless required by applicable law or agreed to in writing, the reference design
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
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// for the specific language governing permissions and limitations under the License.
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//
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// Additional rights, including the ability to physically implement a softcore that
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// is compliant with the required sections of the Power ISA Specification, are
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// available at no cost under the terms of the OpenPOWER Power ISA EULA, which can be
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// obtained (along with the Power ISA) here: https://openpowerfoundation.org.
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`timescale 1 ns / 1 ns
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`include "tri_a2o.vh"
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module tri_fu_tblmul(
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vdd,
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gnd,
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x,
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y,
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z,
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tbl_sum,
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tbl_car
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);
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inout vdd;
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inout gnd;
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input [1:15] x; // rng from lookup (recode)
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input [7:22] y; // b operand bits (shift)
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input [0:20] z; // estimate from table
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// multiplier output msb comes out at [6]
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output [0:36] tbl_sum;
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output [0:35] tbl_car;
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// ENTITY
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parameter tiup = 1'b1;
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parameter tidn = 1'b0;
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wire [1:7] sub_adj_lsb;
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wire [1:7] sub_adj_lsb_b;
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wire [1:7] sub_adj_msb_b;
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wire sub_adj_msb_7x_b;
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wire sub_adj_msb_7x;
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wire sub_adj_msb_7y;
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wire [0:7] s_x;
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wire [0:7] s_x2;
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wire [0:7] s_neg;
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wire [6:24] pp0_0;
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wire [6:26] pp0_1;
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wire [8:28] pp0_2;
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wire [10:30] pp0_3;
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wire [12:32] pp0_4;
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wire [14:34] pp0_5;
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wire [16:36] pp0_6;
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wire [17:36] pp0_7;
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wire [0:26] pp1_0_sum;
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wire [0:24] pp1_0_car;
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wire [8:32] pp1_1_sum;
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wire [9:30] pp1_1_car;
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wire [14:36] pp1_2_sum;
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wire [15:36] pp1_2_car;
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wire pp1_0_car_unused;
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wire [0:32] pp2_0_sum;
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wire [0:26] pp2_0_car;
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wire [9:36] pp2_1_sum;
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wire [13:36] pp2_1_car;
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wire pp2_0_car_unused;
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wire [0:36] pp3_0_sum;
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wire [8:25] pp3_0_ko;
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wire [0:35] pp3_0_car;
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wire pp3_0_car_unused;
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wire [0:20] z_b;
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(* analysis_not_referenced="TRUE" *)
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wire unused;
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assign unused = pp1_0_car_unused | pp2_0_car_unused | pp3_0_car_unused | pp0_0[23] | pp0_1[25] | pp0_2[27] | pp0_3[29] | pp0_4[31] | pp0_5[33] | pp0_6[35] | pp1_0_car[23] | pp1_0_sum[25] | pp1_1_car[28] | pp1_1_sum[31] | pp1_2_car[34] | pp2_0_car[24] | pp2_0_sum[31] | pp2_1_car[30] | pp2_1_car[34] | s_neg[0] | pp1_1_car[29] | pp1_2_car[35] | pp2_0_car[25] | pp2_1_car[35];
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//=#################################################
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//= Booth Decoders
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//=#################################################
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// 0 1 2 3 4 5 6 7
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// (x,1) (2,3) (4,5) (6,7) (8,9) (10,11) (12,13) (14,15)
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tri_fu_tblmul_bthdcd bd0(
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.i0(tidn), //i--
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.i1(x[1]), //i--
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.i2(x[2]), //i--
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.s_neg(s_neg[0]), //o--
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.s_x(s_x[0]), //o--
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.s_x2(s_x2[0]) //o--
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);
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tri_fu_tblmul_bthdcd bd1(
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.i0(x[2]), //i--
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.i1(x[3]), //i--
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.i2(x[4]), //i--
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.s_neg(s_neg[1]), //o--
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.s_x(s_x[1]), //o--
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.s_x2(s_x2[1]) //o--
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);
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tri_fu_tblmul_bthdcd bd2(
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.i0(x[4]), //i--
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.i1(x[5]), //i--
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.i2(x[6]), //i--
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.s_neg(s_neg[2]), //o--
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.s_x(s_x[2]), //o--
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.s_x2(s_x2[2]) //o--
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);
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tri_fu_tblmul_bthdcd bd3(
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.i0(x[6]), //i--
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.i1(x[7]), //i--
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.i2(x[8]), //i--
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.s_neg(s_neg[3]), //o--
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.s_x(s_x[3]), //o--
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.s_x2(s_x2[3]) //o--
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);
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tri_fu_tblmul_bthdcd bd4(
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.i0(x[8]), //i--
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.i1(x[9]), //i--
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.i2(x[10]), //i--
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.s_neg(s_neg[4]), //o--
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.s_x(s_x[4]), //o--
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.s_x2(s_x2[4]) //o--
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);
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tri_fu_tblmul_bthdcd bd5(
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.i0(x[10]), //i--
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.i1(x[11]), //i--
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.i2(x[12]), //i--
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.s_neg(s_neg[5]), //o--
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.s_x(s_x[5]), //o--
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.s_x2(s_x2[5]) //o--
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);
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tri_fu_tblmul_bthdcd bd6(
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.i0(x[12]), //i--
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.i1(x[13]), //i--
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.i2(x[14]), //i--
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.s_neg(s_neg[6]), //o--
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.s_x(s_x[6]), //o--
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.s_x2(s_x2[6]) //o--
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);
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tri_fu_tblmul_bthdcd bd7(
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.i0(x[14]), //i--
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.i1(x[15]), //i--
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.i2(tidn), //i--
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.s_neg(s_neg[7]), //o--
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.s_x(s_x[7]), //o--
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.s_x2(s_x2[7]) //o--
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);
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//=###############################################################
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//= booth muxes
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//=###############################################################
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//= NUMBERING SYSTEM RELATIVE TO COMPRESSOR TREE
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//=
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//= 00000000000000000000000000000000000000
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//= 00000000001111111111222222222233333333
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//= 01234567890123456789012345678901234567
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//= 0 .......DddddddddddddddddD0s................
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//= 1 .......1aDddddddddddddddddD0s..............
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//= 2 .........1aDddddddddddddddddD0s............
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//= 3 ...........1aDddddddddddddddddD0s..........
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//= 4 .............1aDddddddddddddddddD0s........
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//= 5 ...............1aDddddddddddddddddD0s......
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//= 6 .................1aDddddddddddddddddD0s....
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//= 7 ..................assDddddddddddddddddD....
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//= EST dddddddddddddddddddd (the ass from sgnXtd.7 is already added into the est.
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//=
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//=############################
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//= want (est - mult )
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//= will calc -(r - e) = -(r + !e + 1)
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//= = -(r + !e) -1
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//= = !(r + !e) + 1 - 1
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//= = !(r + !e)
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//= = !(R + ASS + !e) ... seperate out the overlapping SGNxtd piece
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//= = !(R + (ASS + !e)) .... invert the final adder output
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//=
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//= table estimate will be : ADD !e + 100
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//= SUB !e + 011
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//=
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//= more "0" in table if read out POS version of est, then invert
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//=
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//= !e + adj = -e -1 + adj
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//= = -(e +1 -adj)
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//= = -(e -adj) -1
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//= = !(e -adj) +1 -1
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//= = !(e -adj) ... invert the table input
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assign sub_adj_lsb_b[1] = (~(s_neg[1] & (s_x[1] | s_x2[1])));
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assign sub_adj_lsb_b[2] = (~(s_neg[2] & (s_x[2] | s_x2[2])));
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assign sub_adj_lsb_b[3] = (~(s_neg[3] & (s_x[3] | s_x2[3])));
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assign sub_adj_lsb_b[4] = (~(s_neg[4] & (s_x[4] | s_x2[4])));
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assign sub_adj_lsb_b[5] = (~(s_neg[5] & (s_x[5] | s_x2[5])));
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assign sub_adj_lsb_b[6] = (~(s_neg[6] & (s_x[6] | s_x2[6])));
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assign sub_adj_lsb_b[7] = (~(s_neg[7] & (s_x[7] | s_x2[7])));
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assign sub_adj_lsb[1] = (~sub_adj_lsb_b[1]);
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assign sub_adj_lsb[2] = (~sub_adj_lsb_b[2]);
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assign sub_adj_lsb[3] = (~sub_adj_lsb_b[3]);
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assign sub_adj_lsb[4] = (~sub_adj_lsb_b[4]);
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assign sub_adj_lsb[5] = (~sub_adj_lsb_b[5]);
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assign sub_adj_lsb[6] = (~sub_adj_lsb_b[6]);
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assign sub_adj_lsb[7] = (~sub_adj_lsb_b[7]);
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assign sub_adj_msb_b[1] = (~(s_neg[1] & (s_x[1] | s_x2[1])));
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assign sub_adj_msb_b[2] = (~(s_neg[2] & (s_x[2] | s_x2[2])));
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assign sub_adj_msb_b[3] = (~(s_neg[3] & (s_x[3] | s_x2[3])));
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assign sub_adj_msb_b[4] = (~(s_neg[4] & (s_x[4] | s_x2[4])));
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assign sub_adj_msb_b[5] = (~(s_neg[5] & (s_x[5] | s_x2[5])));
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assign sub_adj_msb_b[6] = (~(s_neg[6] & (s_x[6] | s_x2[6])));
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assign sub_adj_msb_b[7] = (~(s_neg[7] & (s_x[7] | s_x2[7])));
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assign sub_adj_msb_7x_b = (~(s_neg[7] & (s_x[7] | s_x2[7])));
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assign sub_adj_msb_7x = (~sub_adj_msb_7x_b);
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assign sub_adj_msb_7y = (~sub_adj_msb_7x_b);
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tri_fu_tblmul_bthrow bm0(
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.s_neg(tidn), //i-- (tidn) msb term is never sub
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.s_x(s_x[0]), //i--
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.s_x2(s_x2[0]), //i--
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.x(y[7:22]), //i--
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.q(pp0_0[6:22]) //o--
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);
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assign pp0_0[23] = tidn;
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assign pp0_0[24] = sub_adj_lsb[1];
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assign pp0_1[6] = tiup;
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assign pp0_1[7] = sub_adj_msb_b[1];
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tri_fu_tblmul_bthrow bm1(
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.s_neg(s_neg[1]), //i--
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.s_x(s_x[1]), //i--
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.s_x2(s_x2[1]), //i--
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.x(y[7:22]), //i--
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.q(pp0_1[8:24]) //o--
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);
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assign pp0_1[25] = tidn;
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assign pp0_1[26] = sub_adj_lsb[2];
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assign pp0_2[8] = tiup;
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assign pp0_2[9] = sub_adj_msb_b[2];
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tri_fu_tblmul_bthrow bm2(
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.s_neg(s_neg[2]), //i--
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.s_x(s_x[2]), //i--
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.s_x2(s_x2[2]), //i--
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.x(y[7:22]), //i--
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.q(pp0_2[10:26]) //o--
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);
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assign pp0_2[27] = tidn;
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assign pp0_2[28] = sub_adj_lsb[3];
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assign pp0_3[10] = tiup;
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assign pp0_3[11] = sub_adj_msb_b[3];
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tri_fu_tblmul_bthrow bm3(
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.s_neg(s_neg[3]), //i--
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.s_x(s_x[3]), //i--
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.s_x2(s_x2[3]), //i--
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.x(y[7:22]), //i--
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.q(pp0_3[12:28]) //o--
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);
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assign pp0_3[29] = tidn;
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assign pp0_3[30] = sub_adj_lsb[4];
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assign pp0_4[12] = tiup;
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assign pp0_4[13] = sub_adj_msb_b[4];
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tri_fu_tblmul_bthrow bm4(
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.s_neg(s_neg[4]), //i--
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.s_x(s_x[4]), //i--
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.s_x2(s_x2[4]), //i--
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.x(y[7:22]), //i--
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.q(pp0_4[14:30]) //o--
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);
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assign pp0_4[31] = tidn;
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assign pp0_4[32] = sub_adj_lsb[5];
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assign pp0_5[14] = tiup;
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assign pp0_5[15] = sub_adj_msb_b[5];
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tri_fu_tblmul_bthrow bm5(
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.s_neg(s_neg[5]), //i--
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.s_x(s_x[5]), //i--
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.s_x2(s_x2[5]), //i--
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.x(y[7:22]), //i--
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.q(pp0_5[16:32]) //o--
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);
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assign pp0_5[33] = tidn;
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assign pp0_5[34] = sub_adj_lsb[6];
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assign pp0_6[16] = tiup;
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assign pp0_6[17] = sub_adj_msb_b[6];
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tri_fu_tblmul_bthrow bm6(
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.s_neg(s_neg[6]), //i--
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.s_x(s_x[6]), //i--
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.s_x2(s_x2[6]), //i--
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.x(y[7:22]), //i--
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.q(pp0_6[18:34]) //o--
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);
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assign pp0_6[35] = tidn;
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assign pp0_6[36] = sub_adj_lsb[7];
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assign pp0_7[17] = sub_adj_msb_b[7];
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assign pp0_7[18] = sub_adj_msb_7x;
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assign pp0_7[19] = sub_adj_msb_7y;
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tri_fu_tblmul_bthrow bm7(
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.s_neg(s_neg[7]), //i--
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.s_x(s_x[7]), //i--
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.s_x2(s_x2[7]), //i--
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.x(y[7:22]), //i--
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||
|
.q(pp0_7[20:36]) //o--
|
||
|
);
|
||
|
|
||
|
//=####################################################################
|
||
|
//=# compressor tree level 1
|
||
|
//=####################################################################
|
||
|
//= 0 1 2 3
|
||
|
//= 0123456789012345678901234567890123456
|
||
|
//==-------------------------------------
|
||
|
// ddddddddddddddddddddd________________
|
||
|
// 111111ddddddddddddddddd_S____________ bm0
|
||
|
// ______1addddddddddddddddd_S__________ bm1
|
||
|
// ________1addddddddddddddddd_S________ bm2
|
||
|
// __________1addddddddddddddddd_S______ bm3
|
||
|
// ____________1addddddddddddddddd_S____ bm4
|
||
|
// ______________1addddddddddddddddd_S__ bm5
|
||
|
// ________________1addddddddddddddddd_S bm6
|
||
|
// _________________assddddddddddddddddd bm7
|
||
|
|
||
|
//= 0 1 2 3
|
||
|
//= 0123456789012345678901234567890123456
|
||
|
//==-------------------------------------
|
||
|
// ddddddddddddddddddddd________________
|
||
|
// 111111ddddddddddddddddd_S____________ bm0
|
||
|
// ______1addddddddddddddddd_S__________ bm1
|
||
|
// 111111333333333333333221201
|
||
|
// sssssssssssssssssssssssss_s pp1_0_sum
|
||
|
// ccccccccccccccccccccccc_c__ pp1_0_car
|
||
|
|
||
|
//= 0 1 2 3
|
||
|
//= 0123456789012345678901234567890123456
|
||
|
//==-------------------------------------
|
||
|
// ________1addddddddddddddddd_S________ bm2
|
||
|
// __________1addddddddddddddddd_S______ bm3
|
||
|
// ____________1addddddddddddddddd_S____ bm4
|
||
|
// 1122333333333333333231201
|
||
|
// ________sssssssssssssssssssssss_s pp1_1_sum
|
||
|
// _ccccccccccccccccccc__c__ pp1_1_car
|
||
|
|
||
|
//= 0 1 2 3
|
||
|
//= 0123456789012345678901234567890123456
|
||
|
//==-------------------------------------
|
||
|
// ______________1addddddddddddddddd_S__ bm5
|
||
|
// ________________1addddddddddddddddd_S bm6
|
||
|
// _________________assddddddddddddddddd bm7
|
||
|
// 11233333333333333332312
|
||
|
// sssssssssssssssssssssss pp1_2_sum
|
||
|
// _ccccccccccccccccccc__c pp1_2_car
|
||
|
|
||
|
assign z_b[0:20] = (~z[0:20]);
|
||
|
|
||
|
//======================================================
|
||
|
//== compressor level 1 , row 0
|
||
|
//======================================================
|
||
|
|
||
|
assign pp1_0_sum[26] = pp0_1[26];
|
||
|
assign pp1_0_sum[25] = tidn;
|
||
|
assign pp1_0_sum[24] = pp0_0[24];
|
||
|
assign pp1_0_car[24] = pp0_1[24];
|
||
|
assign pp1_0_sum[23] = pp0_1[23];
|
||
|
assign pp1_0_car[23] = tidn;
|
||
|
assign pp1_0_sum[22] = pp0_0[22];
|
||
|
assign pp1_0_car[22] = pp0_1[22];
|
||
|
assign pp1_0_sum[21] = pp0_0[21];
|
||
|
assign pp1_0_car[21] = pp0_1[21];
|
||
|
assign pp1_0_car[20] = tidn;
|
||
|
// MLT32_X1_A12TH
|
||
|
tri_csa32 pp1_0_csa_20(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[20]), //i--
|
||
|
.b(pp0_0[20]), //i--
|
||
|
.c(pp0_1[20]), //i--
|
||
|
.sum(pp1_0_sum[20]), //o--
|
||
|
.car(pp1_0_car[19]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_19(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[19]), //i--
|
||
|
.b(pp0_0[19]), //i--
|
||
|
.c(pp0_1[19]), //i--
|
||
|
.sum(pp1_0_sum[19]), //o--
|
||
|
.car(pp1_0_car[18]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_18(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[18]), //i--
|
||
|
.b(pp0_0[18]), //i--
|
||
|
.c(pp0_1[18]), //i--
|
||
|
.sum(pp1_0_sum[18]), //o--
|
||
|
.car(pp1_0_car[17]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_17(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[17]), //i--
|
||
|
.b(pp0_0[17]), //i--
|
||
|
.c(pp0_1[17]), //i--
|
||
|
.sum(pp1_0_sum[17]), //o--
|
||
|
.car(pp1_0_car[16]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_16(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[16]), //i--
|
||
|
.b(pp0_0[16]), //i--
|
||
|
.c(pp0_1[16]), //i--
|
||
|
.sum(pp1_0_sum[16]), //o--
|
||
|
.car(pp1_0_car[15]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_15(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[15]), //i--
|
||
|
.b(pp0_0[15]), //i--
|
||
|
.c(pp0_1[15]), //i--
|
||
|
.sum(pp1_0_sum[15]), //o--
|
||
|
.car(pp1_0_car[14]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_14(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[14]), //i--
|
||
|
.b(pp0_0[14]), //i--
|
||
|
.c(pp0_1[14]), //i--
|
||
|
.sum(pp1_0_sum[14]), //o--
|
||
|
.car(pp1_0_car[13]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_13(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[13]), //i--
|
||
|
.b(pp0_0[13]), //i--
|
||
|
.c(pp0_1[13]), //i--
|
||
|
.sum(pp1_0_sum[13]), //o--
|
||
|
.car(pp1_0_car[12]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_12(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[12]), //i--
|
||
|
.b(pp0_0[12]), //i--
|
||
|
.c(pp0_1[12]), //i--
|
||
|
.sum(pp1_0_sum[12]), //o--
|
||
|
.car(pp1_0_car[11]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_11(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[11]), //i--
|
||
|
.b(pp0_0[11]), //i--
|
||
|
.c(pp0_1[11]), //i--
|
||
|
.sum(pp1_0_sum[11]), //o--
|
||
|
.car(pp1_0_car[10]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_10(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[10]), //i--
|
||
|
.b(pp0_0[10]), //i--
|
||
|
.c(pp0_1[10]), //i--
|
||
|
.sum(pp1_0_sum[10]), //o--
|
||
|
.car(pp1_0_car[9]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_9(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[9]), //i--
|
||
|
.b(pp0_0[9]), //i--
|
||
|
.c(pp0_1[9]), //i--
|
||
|
.sum(pp1_0_sum[9]), //o--
|
||
|
.car(pp1_0_car[8]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_8(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[8]), //i--
|
||
|
.b(pp0_0[8]), //i--
|
||
|
.c(pp0_1[8]), //i--
|
||
|
.sum(pp1_0_sum[8]), //o--
|
||
|
.car(pp1_0_car[7]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_7(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[7]), //i--
|
||
|
.b(pp0_0[7]), //i--
|
||
|
.c(pp0_1[7]), //i--
|
||
|
.sum(pp1_0_sum[7]), //o--
|
||
|
.car(pp1_0_car[6]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_0_csa_6(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(z_b[6]), //i--
|
||
|
.b(pp0_0[6]), //i--
|
||
|
.c(pp0_1[6]), //i--
|
||
|
.sum(pp1_0_sum[6]), //o--
|
||
|
.car(pp1_0_car[5]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp1_0_csa_5(
|
||
|
.a(z_b[5]), //i--
|
||
|
.b(tiup), //i--
|
||
|
.sum(pp1_0_sum[5]), //o--
|
||
|
.car(pp1_0_car[4]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp1_0_csa_4(
|
||
|
.a(z_b[4]), //i--
|
||
|
.b(tiup), //i--
|
||
|
.sum(pp1_0_sum[4]), //o--
|
||
|
.car(pp1_0_car[3]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp1_0_csa_3(
|
||
|
.a(z_b[3]), //i--
|
||
|
.b(tiup), //i--
|
||
|
.sum(pp1_0_sum[3]), //o--
|
||
|
.car(pp1_0_car[2]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp1_0_csa_2(
|
||
|
.a(z_b[2]), //i--
|
||
|
.b(tiup), //i--
|
||
|
.sum(pp1_0_sum[2]), //o--
|
||
|
.car(pp1_0_car[1]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp1_0_csa_1(
|
||
|
.a(z_b[1]), //i--
|
||
|
.b(tiup), //i--
|
||
|
.sum(pp1_0_sum[1]), //o--
|
||
|
.car(pp1_0_car[0]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp1_0_csa_0(
|
||
|
.a(z_b[0]), //i--
|
||
|
.b(tiup), //i--
|
||
|
.sum(pp1_0_sum[0]), //o--
|
||
|
.car(pp1_0_car_unused) //o--
|
||
|
);
|
||
|
|
||
|
//======================================================
|
||
|
//== compressor level 1 , row 1
|
||
|
//======================================================
|
||
|
|
||
|
assign pp1_1_sum[32] = pp0_4[32];
|
||
|
assign pp1_1_sum[31] = tidn;
|
||
|
assign pp1_1_sum[30] = pp0_3[30];
|
||
|
assign pp1_1_car[30] = pp0_4[30];
|
||
|
assign pp1_1_sum[29] = pp0_4[29];
|
||
|
assign pp1_1_car[29] = tidn;
|
||
|
assign pp1_1_car[28] = tidn;
|
||
|
|
||
|
tri_csa32 pp1_1_csa_28(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[28]), //i--
|
||
|
.b(pp0_3[28]), //i--
|
||
|
.c(pp0_4[28]), //i--
|
||
|
.sum(pp1_1_sum[28]), //o--
|
||
|
.car(pp1_1_car[27]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp1_1_csa_27(
|
||
|
.a(pp0_3[27]), //i--
|
||
|
.b(pp0_4[27]), //i--
|
||
|
.sum(pp1_1_sum[27]), //o--
|
||
|
.car(pp1_1_car[26]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_26(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[26]), //i--
|
||
|
.b(pp0_3[26]), //i--
|
||
|
.c(pp0_4[26]), //i--
|
||
|
.sum(pp1_1_sum[26]), //o--
|
||
|
.car(pp1_1_car[25]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_25(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[25]), //i--
|
||
|
.b(pp0_3[25]), //i--
|
||
|
.c(pp0_4[25]), //i--
|
||
|
.sum(pp1_1_sum[25]), //o--
|
||
|
.car(pp1_1_car[24]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_24(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[24]), //i--
|
||
|
.b(pp0_3[24]), //i--
|
||
|
.c(pp0_4[24]), //i--
|
||
|
.sum(pp1_1_sum[24]), //o--
|
||
|
.car(pp1_1_car[23]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_23(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[23]), //i--
|
||
|
.b(pp0_3[23]), //i--
|
||
|
.c(pp0_4[23]), //i--
|
||
|
.sum(pp1_1_sum[23]), //o--
|
||
|
.car(pp1_1_car[22]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_22(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[22]), //i--
|
||
|
.b(pp0_3[22]), //i--
|
||
|
.c(pp0_4[22]), //i--
|
||
|
.sum(pp1_1_sum[22]), //o--
|
||
|
.car(pp1_1_car[21]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_21(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[21]), //i--
|
||
|
.b(pp0_3[21]), //i--
|
||
|
.c(pp0_4[21]), //i--
|
||
|
.sum(pp1_1_sum[21]), //o--
|
||
|
.car(pp1_1_car[20]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_20(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[20]), //i--
|
||
|
.b(pp0_3[20]), //i--
|
||
|
.c(pp0_4[20]), //i--
|
||
|
.sum(pp1_1_sum[20]), //o--
|
||
|
.car(pp1_1_car[19]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_19(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[19]), //i--
|
||
|
.b(pp0_3[19]), //i--
|
||
|
.c(pp0_4[19]), //i--
|
||
|
.sum(pp1_1_sum[19]), //o--
|
||
|
.car(pp1_1_car[18]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_18(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[18]), //i--
|
||
|
.b(pp0_3[18]), //i--
|
||
|
.c(pp0_4[18]), //i--
|
||
|
.sum(pp1_1_sum[18]), //o--
|
||
|
.car(pp1_1_car[17]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_17(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[17]), //i--
|
||
|
.b(pp0_3[17]), //i--
|
||
|
.c(pp0_4[17]), //i--
|
||
|
.sum(pp1_1_sum[17]), //o--
|
||
|
.car(pp1_1_car[16]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_16(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[16]), //i--
|
||
|
.b(pp0_3[16]), //i--
|
||
|
.c(pp0_4[16]), //i--
|
||
|
.sum(pp1_1_sum[16]), //o--
|
||
|
.car(pp1_1_car[15]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_15(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[15]), //i--
|
||
|
.b(pp0_3[15]), //i--
|
||
|
.c(pp0_4[15]), //i--
|
||
|
.sum(pp1_1_sum[15]), //o--
|
||
|
.car(pp1_1_car[14]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_14(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[14]), //i--
|
||
|
.b(pp0_3[14]), //i--
|
||
|
.c(pp0_4[14]), //i--
|
||
|
.sum(pp1_1_sum[14]), //o--
|
||
|
.car(pp1_1_car[13]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_13(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[13]), //i--
|
||
|
.b(pp0_3[13]), //i--
|
||
|
.c(pp0_4[13]), //i--
|
||
|
.sum(pp1_1_sum[13]), //o--
|
||
|
.car(pp1_1_car[12]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_1_csa_12(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_2[12]), //i--
|
||
|
.b(pp0_3[12]), //i--
|
||
|
.c(pp0_4[12]), //i--
|
||
|
.sum(pp1_1_sum[12]), //o--
|
||
|
.car(pp1_1_car[11]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp1_1_csa_11(
|
||
|
.a(pp0_2[11]), //i--
|
||
|
.b(pp0_3[11]), //i--
|
||
|
.sum(pp1_1_sum[11]), //o--
|
||
|
.car(pp1_1_car[10]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp1_1_csa_10(
|
||
|
.a(pp0_2[10]), //i--
|
||
|
.b(pp0_3[10]), //i--
|
||
|
.sum(pp1_1_sum[10]), //o--
|
||
|
.car(pp1_1_car[9]) //o--
|
||
|
);
|
||
|
assign pp1_1_sum[9] = pp0_2[9];
|
||
|
assign pp1_1_sum[8] = pp0_2[8];
|
||
|
|
||
|
//======================================================
|
||
|
//== compressor level 1 , row 2
|
||
|
//======================================================
|
||
|
|
||
|
assign pp1_2_sum[36] = pp0_6[36];
|
||
|
assign pp1_2_car[36] = pp0_7[36];
|
||
|
assign pp1_2_sum[35] = pp0_7[35];
|
||
|
assign pp1_2_car[35] = tidn;
|
||
|
assign pp1_2_car[34] = tidn;
|
||
|
|
||
|
tri_csa32 pp1_2_csa_34(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[34]), //i--
|
||
|
.b(pp0_6[34]), //i--
|
||
|
.c(pp0_7[34]), //i--
|
||
|
.sum(pp1_2_sum[34]), //o--
|
||
|
.car(pp1_2_car[33]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp1_2_csa_33(
|
||
|
.a(pp0_6[33]), //i--
|
||
|
.b(pp0_7[33]), //i--
|
||
|
.sum(pp1_2_sum[33]), //o--
|
||
|
.car(pp1_2_car[32]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_32(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[32]), //i--
|
||
|
.b(pp0_6[32]), //i--
|
||
|
.c(pp0_7[32]), //i--
|
||
|
.sum(pp1_2_sum[32]), //o--
|
||
|
.car(pp1_2_car[31]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_31(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[31]), //i--
|
||
|
.b(pp0_6[31]), //i--
|
||
|
.c(pp0_7[31]), //i--
|
||
|
.sum(pp1_2_sum[31]), //o--
|
||
|
.car(pp1_2_car[30]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_30(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[30]), //i--
|
||
|
.b(pp0_6[30]), //i--
|
||
|
.c(pp0_7[30]), //i--
|
||
|
.sum(pp1_2_sum[30]), //o--
|
||
|
.car(pp1_2_car[29]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_29(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[29]), //i--
|
||
|
.b(pp0_6[29]), //i--
|
||
|
.c(pp0_7[29]), //i--
|
||
|
.sum(pp1_2_sum[29]), //o--
|
||
|
.car(pp1_2_car[28]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_28(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[28]), //i--
|
||
|
.b(pp0_6[28]), //i--
|
||
|
.c(pp0_7[28]), //i--
|
||
|
.sum(pp1_2_sum[28]), //o--
|
||
|
.car(pp1_2_car[27]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_27(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[27]), //i--
|
||
|
.b(pp0_6[27]), //i--
|
||
|
.c(pp0_7[27]), //i--
|
||
|
.sum(pp1_2_sum[27]), //o--
|
||
|
.car(pp1_2_car[26]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_26(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[26]), //i--
|
||
|
.b(pp0_6[26]), //i--
|
||
|
.c(pp0_7[26]), //i--
|
||
|
.sum(pp1_2_sum[26]), //o--
|
||
|
.car(pp1_2_car[25]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_25(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[25]), //i--
|
||
|
.b(pp0_6[25]), //i--
|
||
|
.c(pp0_7[25]), //i--
|
||
|
.sum(pp1_2_sum[25]), //o--
|
||
|
.car(pp1_2_car[24]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_24(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[24]), //i--
|
||
|
.b(pp0_6[24]), //i--
|
||
|
.c(pp0_7[24]), //i--
|
||
|
.sum(pp1_2_sum[24]), //o--
|
||
|
.car(pp1_2_car[23]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_23(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[23]), //i--
|
||
|
.b(pp0_6[23]), //i--
|
||
|
.c(pp0_7[23]), //i--
|
||
|
.sum(pp1_2_sum[23]), //o--
|
||
|
.car(pp1_2_car[22]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_22(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[22]), //i--
|
||
|
.b(pp0_6[22]), //i--
|
||
|
.c(pp0_7[22]), //i--
|
||
|
.sum(pp1_2_sum[22]), //o--
|
||
|
.car(pp1_2_car[21]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_21(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[21]), //i--
|
||
|
.b(pp0_6[21]), //i--
|
||
|
.c(pp0_7[21]), //i--
|
||
|
.sum(pp1_2_sum[21]), //o--
|
||
|
.car(pp1_2_car[20]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_20(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[20]), //i--
|
||
|
.b(pp0_6[20]), //i--
|
||
|
.c(pp0_7[20]), //i--
|
||
|
.sum(pp1_2_sum[20]), //o--
|
||
|
.car(pp1_2_car[19]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_19(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[19]), //i--
|
||
|
.b(pp0_6[19]), //i--
|
||
|
.c(pp0_7[19]), //i--
|
||
|
.sum(pp1_2_sum[19]), //o--
|
||
|
.car(pp1_2_car[18]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_18(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[18]), //i--
|
||
|
.b(pp0_6[18]), //i--
|
||
|
.c(pp0_7[18]), //i--
|
||
|
.sum(pp1_2_sum[18]), //o--
|
||
|
.car(pp1_2_car[17]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp1_2_csa_17(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp0_5[17]), //i--
|
||
|
.b(pp0_6[17]), //i--
|
||
|
.c(pp0_7[17]), //i--
|
||
|
.sum(pp1_2_sum[17]), //o--
|
||
|
.car(pp1_2_car[16]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp1_2_csa_16(
|
||
|
.a(pp0_5[16]), //i--
|
||
|
.b(pp0_6[16]), //i--
|
||
|
.sum(pp1_2_sum[16]), //o--
|
||
|
.car(pp1_2_car[15]) //o--
|
||
|
);
|
||
|
assign pp1_2_sum[15] = pp0_5[15];
|
||
|
assign pp1_2_sum[14] = pp0_5[14];
|
||
|
|
||
|
//=####################################################################
|
||
|
//=# compressor tree level 2
|
||
|
//=####################################################################
|
||
|
|
||
|
//= 0 1 2 3
|
||
|
//= 0123456789012345678901234567890123456
|
||
|
//==-------------------------------------
|
||
|
// sssssssssssssssssssssssss_s______ pp1_0_sum
|
||
|
// ccccccccccccccccccccccc_c________ pp1_0_car
|
||
|
// ________sssssssssssssssssssssss_s pp1_1_sum
|
||
|
// 222222223333333333333332312111101
|
||
|
// sssssssssssssssssssssssssssssss_s pp2_0_sum
|
||
|
// cccccccccccccccccccccccc__c pp2_0_car
|
||
|
|
||
|
//= 0 1 2 3
|
||
|
//= 0123456789012345678901234567890123456
|
||
|
//==-------------------------------------
|
||
|
// _________ccccccccccccccccccc__c______ pp1_1_car
|
||
|
// ______________sssssssssssssssssssssss pp1_2_sum
|
||
|
// _______________ccccccccccccccccccc__c pp1_2_car
|
||
|
// 1111123333333333333223222112
|
||
|
// ssssssssssssssssssssssssssss pp2_1_sum
|
||
|
// ccccccccccccccccc_ccc__c pp2_1_car
|
||
|
|
||
|
//======================================================
|
||
|
//== compressor level 2 , row 0
|
||
|
//======================================================
|
||
|
|
||
|
assign pp2_0_sum[32] = pp1_1_sum[32];
|
||
|
assign pp2_0_sum[31] = tidn;
|
||
|
assign pp2_0_sum[30] = pp1_1_sum[30];
|
||
|
assign pp2_0_sum[29] = pp1_1_sum[29];
|
||
|
assign pp2_0_sum[28] = pp1_1_sum[28];
|
||
|
assign pp2_0_sum[27] = pp1_1_sum[27];
|
||
|
assign pp2_0_sum[26] = pp1_0_sum[26];
|
||
|
assign pp2_0_car[26] = pp1_1_sum[26];
|
||
|
assign pp2_0_sum[25] = pp1_1_sum[25];
|
||
|
assign pp2_0_car[25] = tidn;
|
||
|
assign pp2_0_car[24] = tidn;
|
||
|
|
||
|
tri_csa32 pp2_0_csa_24(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[24]), //i--
|
||
|
.b(pp1_0_car[24]), //i--
|
||
|
.c(pp1_1_sum[24]), //i--
|
||
|
.sum(pp2_0_sum[24]), //o--
|
||
|
.car(pp2_0_car[23]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_0_csa_23(
|
||
|
.a(pp1_0_sum[23]), //i--
|
||
|
.b(pp1_1_sum[23]), //i--
|
||
|
.sum(pp2_0_sum[23]), //o--
|
||
|
.car(pp2_0_car[22]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_22(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[22]), //i--
|
||
|
.b(pp1_0_car[22]), //i--
|
||
|
.c(pp1_1_sum[22]), //i--
|
||
|
.sum(pp2_0_sum[22]), //o--
|
||
|
.car(pp2_0_car[21]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_21(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[21]), //i--
|
||
|
.b(pp1_0_car[21]), //i--
|
||
|
.c(pp1_1_sum[21]), //i--
|
||
|
.sum(pp2_0_sum[21]), //o--
|
||
|
.car(pp2_0_car[20]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_20(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[20]), //i--
|
||
|
.b(pp1_0_car[20]), //i--
|
||
|
.c(pp1_1_sum[20]), //i--
|
||
|
.sum(pp2_0_sum[20]), //o--
|
||
|
.car(pp2_0_car[19]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_19(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[19]), //i--
|
||
|
.b(pp1_0_car[19]), //i--
|
||
|
.c(pp1_1_sum[19]), //i--
|
||
|
.sum(pp2_0_sum[19]), //o--
|
||
|
.car(pp2_0_car[18]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_18(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[18]), //i--
|
||
|
.b(pp1_0_car[18]), //i--
|
||
|
.c(pp1_1_sum[18]), //i--
|
||
|
.sum(pp2_0_sum[18]), //o--
|
||
|
.car(pp2_0_car[17]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_17(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[17]), //i--
|
||
|
.b(pp1_0_car[17]), //i--
|
||
|
.c(pp1_1_sum[17]), //i--
|
||
|
.sum(pp2_0_sum[17]), //o--
|
||
|
.car(pp2_0_car[16]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_16(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[16]), //i--
|
||
|
.b(pp1_0_car[16]), //i--
|
||
|
.c(pp1_1_sum[16]), //i--
|
||
|
.sum(pp2_0_sum[16]), //o--
|
||
|
.car(pp2_0_car[15]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_15(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[15]), //i--
|
||
|
.b(pp1_0_car[15]), //i--
|
||
|
.c(pp1_1_sum[15]), //i--
|
||
|
.sum(pp2_0_sum[15]), //o--
|
||
|
.car(pp2_0_car[14]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_14(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[14]), //i--
|
||
|
.b(pp1_0_car[14]), //i--
|
||
|
.c(pp1_1_sum[14]), //i--
|
||
|
.sum(pp2_0_sum[14]), //o--
|
||
|
.car(pp2_0_car[13]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_13(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[13]), //i--
|
||
|
.b(pp1_0_car[13]), //i--
|
||
|
.c(pp1_1_sum[13]), //i--
|
||
|
.sum(pp2_0_sum[13]), //o--
|
||
|
.car(pp2_0_car[12]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_12(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[12]), //i--
|
||
|
.b(pp1_0_car[12]), //i--
|
||
|
.c(pp1_1_sum[12]), //i--
|
||
|
.sum(pp2_0_sum[12]), //o--
|
||
|
.car(pp2_0_car[11]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_11(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[11]), //i--
|
||
|
.b(pp1_0_car[11]), //i--
|
||
|
.c(pp1_1_sum[11]), //i--
|
||
|
.sum(pp2_0_sum[11]), //o--
|
||
|
.car(pp2_0_car[10]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_10(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[10]), //i--
|
||
|
.b(pp1_0_car[10]), //i--
|
||
|
.c(pp1_1_sum[10]), //i--
|
||
|
.sum(pp2_0_sum[10]), //o--
|
||
|
.car(pp2_0_car[9]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_9(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[9]), //i--
|
||
|
.b(pp1_0_car[9]), //i--
|
||
|
.c(pp1_1_sum[9]), //i--
|
||
|
.sum(pp2_0_sum[9]), //o--
|
||
|
.car(pp2_0_car[8]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_0_csa_8(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_0_sum[8]), //i--
|
||
|
.b(pp1_0_car[8]), //i--
|
||
|
.c(pp1_1_sum[8]), //i--
|
||
|
.sum(pp2_0_sum[8]), //o--
|
||
|
.car(pp2_0_car[7]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_0_csa_7(
|
||
|
.a(pp1_0_sum[7]), //i--
|
||
|
.b(pp1_0_car[7]), //i--
|
||
|
.sum(pp2_0_sum[7]), //o--
|
||
|
.car(pp2_0_car[6]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_0_csa_6(
|
||
|
.a(pp1_0_sum[6]), //i--
|
||
|
.b(pp1_0_car[6]), //i--
|
||
|
.sum(pp2_0_sum[6]), //o--
|
||
|
.car(pp2_0_car[5]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_0_csa_5(
|
||
|
.a(pp1_0_sum[5]), //i--
|
||
|
.b(pp1_0_car[5]), //i--
|
||
|
.sum(pp2_0_sum[5]), //o--
|
||
|
.car(pp2_0_car[4]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_0_csa_4(
|
||
|
.a(pp1_0_sum[4]), //i--
|
||
|
.b(pp1_0_car[4]), //i--
|
||
|
.sum(pp2_0_sum[4]), //o--
|
||
|
.car(pp2_0_car[3]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_0_csa_3(
|
||
|
.a(pp1_0_sum[3]), //i--
|
||
|
.b(pp1_0_car[3]), //i--
|
||
|
.sum(pp2_0_sum[3]), //o--
|
||
|
.car(pp2_0_car[2]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_0_csa_2(
|
||
|
.a(pp1_0_sum[2]), //i--
|
||
|
.b(pp1_0_car[2]), //i--
|
||
|
.sum(pp2_0_sum[2]), //o--
|
||
|
.car(pp2_0_car[1]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_0_csa_1(
|
||
|
.a(pp1_0_sum[1]), //i--
|
||
|
.b(pp1_0_car[1]), //i--
|
||
|
.sum(pp2_0_sum[1]), //o--
|
||
|
.car(pp2_0_car[0]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_0_csa_0(
|
||
|
.a(pp1_0_sum[0]), //i--
|
||
|
.b(pp1_0_car[0]), //i--
|
||
|
.sum(pp2_0_sum[0]), //o--
|
||
|
.car(pp2_0_car_unused) //o--
|
||
|
);
|
||
|
|
||
|
//======================================================
|
||
|
//== compressor level 2 , row 1
|
||
|
//======================================================
|
||
|
|
||
|
//======================================================
|
||
|
//== compressor level 2 , row 1
|
||
|
//======================================================
|
||
|
|
||
|
assign pp2_1_sum[36] = pp1_2_sum[36];
|
||
|
assign pp2_1_car[36] = pp1_2_car[36];
|
||
|
assign pp2_1_sum[35] = pp1_2_sum[35];
|
||
|
assign pp2_1_car[35] = tidn;
|
||
|
assign pp2_1_sum[34] = pp1_2_sum[34];
|
||
|
assign pp2_1_car[34] = tidn;
|
||
|
assign pp2_1_sum[33] = pp1_2_sum[33];
|
||
|
assign pp2_1_car[33] = pp1_2_car[33];
|
||
|
assign pp2_1_sum[32] = pp1_2_sum[32];
|
||
|
assign pp2_1_car[32] = pp1_2_car[32];
|
||
|
assign pp2_1_sum[31] = pp1_2_sum[31];
|
||
|
assign pp2_1_car[31] = pp1_2_car[31];
|
||
|
assign pp2_1_car[30] = tidn;
|
||
|
|
||
|
tri_csa32 pp2_1_csa_30(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[30]), //i--
|
||
|
.b(pp1_2_sum[30]), //i--
|
||
|
.c(pp1_2_car[30]), //i--
|
||
|
.sum(pp2_1_sum[30]), //o--
|
||
|
.car(pp2_1_car[29]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_1_csa_29(
|
||
|
.a(pp1_2_sum[29]), //i--
|
||
|
.b(pp1_2_car[29]), //i--
|
||
|
.sum(pp2_1_sum[29]), //o--
|
||
|
.car(pp2_1_car[28]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_1_csa_28(
|
||
|
.a(pp1_2_sum[28]), //i--
|
||
|
.b(pp1_2_car[28]), //i--
|
||
|
.sum(pp2_1_sum[28]), //o--
|
||
|
.car(pp2_1_car[27]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_27(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[27]), //i--
|
||
|
.b(pp1_2_sum[27]), //i--
|
||
|
.c(pp1_2_car[27]), //i--
|
||
|
.sum(pp2_1_sum[27]), //o--
|
||
|
.car(pp2_1_car[26]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_26(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[26]), //i--
|
||
|
.b(pp1_2_sum[26]), //i--
|
||
|
.c(pp1_2_car[26]), //i--
|
||
|
.sum(pp2_1_sum[26]), //o--
|
||
|
.car(pp2_1_car[25]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_25(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[25]), //i--
|
||
|
.b(pp1_2_sum[25]), //i--
|
||
|
.c(pp1_2_car[25]), //i--
|
||
|
.sum(pp2_1_sum[25]), //o--
|
||
|
.car(pp2_1_car[24]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_24(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[24]), //i--
|
||
|
.b(pp1_2_sum[24]), //i--
|
||
|
.c(pp1_2_car[24]), //i--
|
||
|
.sum(pp2_1_sum[24]), //o--
|
||
|
.car(pp2_1_car[23]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_23(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[23]), //i--
|
||
|
.b(pp1_2_sum[23]), //i--
|
||
|
.c(pp1_2_car[23]), //i--
|
||
|
.sum(pp2_1_sum[23]), //o--
|
||
|
.car(pp2_1_car[22]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_22(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[22]), //i--
|
||
|
.b(pp1_2_sum[22]), //i--
|
||
|
.c(pp1_2_car[22]), //i--
|
||
|
.sum(pp2_1_sum[22]), //o--
|
||
|
.car(pp2_1_car[21]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_21(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[21]), //i--
|
||
|
.b(pp1_2_sum[21]), //i--
|
||
|
.c(pp1_2_car[21]), //i--
|
||
|
.sum(pp2_1_sum[21]), //o--
|
||
|
.car(pp2_1_car[20]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_20(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[20]), //i--
|
||
|
.b(pp1_2_sum[20]), //i--
|
||
|
.c(pp1_2_car[20]), //i--
|
||
|
.sum(pp2_1_sum[20]), //o--
|
||
|
.car(pp2_1_car[19]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_19(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[19]), //i--
|
||
|
.b(pp1_2_sum[19]), //i--
|
||
|
.c(pp1_2_car[19]), //i--
|
||
|
.sum(pp2_1_sum[19]), //o--
|
||
|
.car(pp2_1_car[18]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_18(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[18]), //i--
|
||
|
.b(pp1_2_sum[18]), //i--
|
||
|
.c(pp1_2_car[18]), //i--
|
||
|
.sum(pp2_1_sum[18]), //o--
|
||
|
.car(pp2_1_car[17]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_17(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[17]), //i--
|
||
|
.b(pp1_2_sum[17]), //i--
|
||
|
.c(pp1_2_car[17]), //i--
|
||
|
.sum(pp2_1_sum[17]), //o--
|
||
|
.car(pp2_1_car[16]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_16(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[16]), //i--
|
||
|
.b(pp1_2_sum[16]), //i--
|
||
|
.c(pp1_2_car[16]), //i--
|
||
|
.sum(pp2_1_sum[16]), //o--
|
||
|
.car(pp2_1_car[15]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp2_1_csa_15(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp1_1_car[15]), //i--
|
||
|
.b(pp1_2_sum[15]), //i--
|
||
|
.c(pp1_2_car[15]), //i--
|
||
|
.sum(pp2_1_sum[15]), //o--
|
||
|
.car(pp2_1_car[14]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp2_1_csa_14(
|
||
|
.a(pp1_1_car[14]), //i--
|
||
|
.b(pp1_2_sum[14]), //i--
|
||
|
.sum(pp2_1_sum[14]), //o--
|
||
|
.car(pp2_1_car[13]) //o--
|
||
|
);
|
||
|
assign pp2_1_sum[13] = pp1_1_car[13];
|
||
|
assign pp2_1_sum[12] = pp1_1_car[12];
|
||
|
assign pp2_1_sum[11] = pp1_1_car[11];
|
||
|
assign pp2_1_sum[10] = pp1_1_car[10];
|
||
|
assign pp2_1_sum[9] = pp1_1_car[9];
|
||
|
|
||
|
//=####################################################################
|
||
|
//=# compressor tree level 3
|
||
|
//=####################################################################
|
||
|
|
||
|
//= 0 1 2 3
|
||
|
//= 0123456789012345678901234567890123456
|
||
|
//==-------------------------------------
|
||
|
// sssssssssssssssssssssssssssssss_s pp2_0_sum
|
||
|
// cccccccccccccccccccccccc__c pp2_0_car
|
||
|
// ssssssssssssssssssssssssssss pp2_1_sum
|
||
|
// ccccccccccccccccc_ccc__c pp2_1_car
|
||
|
// 2222222223333444444444443343332232112
|
||
|
|
||
|
//======================================================
|
||
|
//== compressor level 3 , row 0
|
||
|
//======================================================
|
||
|
|
||
|
//off
|
||
|
//on
|
||
|
|
||
|
tri_fu_csa22_h2 pp3_0_csa_36(
|
||
|
.a(pp2_1_sum[36]), //i--
|
||
|
.b(pp2_1_car[36]), //i--
|
||
|
.sum(pp3_0_sum[36]), //o--
|
||
|
.car(pp3_0_car[35]) //o--
|
||
|
);
|
||
|
assign pp3_0_sum[35] = pp2_1_sum[35];
|
||
|
assign pp3_0_sum[34] = pp2_1_sum[34];
|
||
|
assign pp3_0_car[34] = tidn;
|
||
|
assign pp3_0_sum[33] = pp2_1_sum[33];
|
||
|
assign pp3_0_car[33] = pp2_1_car[33];
|
||
|
assign pp3_0_car[32] = tidn;
|
||
|
|
||
|
tri_csa32 pp3_0_csa_32(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[32]), //i--
|
||
|
.b(pp2_1_sum[32]), //i--
|
||
|
.c(pp2_1_car[32]), //i--
|
||
|
.sum(pp3_0_sum[32]), //o--
|
||
|
.car(pp3_0_car[31]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp3_0_csa_31(
|
||
|
.a(pp2_1_sum[31]), //i--
|
||
|
.b(pp2_1_car[31]), //i--
|
||
|
.sum(pp3_0_sum[31]), //o--
|
||
|
.car(pp3_0_car[30]) //o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp3_0_csa_30(
|
||
|
.a(pp2_0_sum[30]), //i--
|
||
|
.b(pp2_1_sum[30]), //i--
|
||
|
.sum(pp3_0_sum[30]), //o--
|
||
|
.car(pp3_0_car[29]) //o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp3_0_csa_29(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[29]), //i--
|
||
|
.b(pp2_1_sum[29]), //i--
|
||
|
.c(pp2_1_car[29]), //i--
|
||
|
.sum(pp3_0_sum[29]), //o--
|
||
|
.car(pp3_0_car[28]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp3_0_csa_28(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[28]), //--i--
|
||
|
.b(pp2_1_sum[28]), //--i--
|
||
|
.c(pp2_1_car[28]), //--i--
|
||
|
.sum(pp3_0_sum[28]), //--o--
|
||
|
.car(pp3_0_car[27]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp3_0_csa_27(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[27]), //--i--
|
||
|
.b(pp2_1_sum[27]), //--i--
|
||
|
.c(pp2_1_car[27]), //--i--
|
||
|
.sum(pp3_0_sum[27]), //--o--
|
||
|
.car(pp3_0_car[26]) //--o--
|
||
|
);
|
||
|
//-- MLT42_X1_A12TH
|
||
|
tri_csa42 pp3_0_csa_26(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[26]), //--i--
|
||
|
.b(pp2_0_car[26]), //--i--
|
||
|
.c(pp2_1_sum[26]), //--i--
|
||
|
.d(pp2_1_car[26]), //--i--
|
||
|
.ki(tidn), //--i--
|
||
|
.ko(pp3_0_ko[25]), //--i--
|
||
|
.sum(pp3_0_sum[26]), //--o--
|
||
|
.car(pp3_0_car[25]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_25(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[25]), //--i--
|
||
|
.b(tidn), //--i--
|
||
|
.c(pp2_1_sum[25]), //--i--
|
||
|
.d(pp2_1_car[25]), //--i--
|
||
|
.ki(pp3_0_ko[25]), //--i--
|
||
|
.ko(pp3_0_ko[24]), //--i--
|
||
|
.sum(pp3_0_sum[25]), //--o--
|
||
|
.car(pp3_0_car[24]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_24(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[24]), //--i--
|
||
|
.b(tidn), //--i--
|
||
|
.c(pp2_1_sum[24]), //--i--
|
||
|
.d(pp2_1_car[24]), //--i--
|
||
|
.ki(pp3_0_ko[24]), //--i--
|
||
|
.ko(pp3_0_ko[23]), //--i--
|
||
|
.sum(pp3_0_sum[24]), //--o--
|
||
|
.car(pp3_0_car[23]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_23(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[23]), //--i--
|
||
|
.b(pp2_0_car[23]), //--i--
|
||
|
.c(pp2_1_sum[23]), //--i--
|
||
|
.d(pp2_1_car[23]), //--i--
|
||
|
.ki(pp3_0_ko[23]), //--i--
|
||
|
.ko(pp3_0_ko[22]), //--i--
|
||
|
.sum(pp3_0_sum[23]), //--o--
|
||
|
.car(pp3_0_car[22]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_22(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[22]), //--i--
|
||
|
.b(pp2_0_car[22]), //--i--
|
||
|
.c(pp2_1_sum[22]), //--i--
|
||
|
.d(pp2_1_car[22]), //--i--
|
||
|
.ki(pp3_0_ko[22]), //--i--
|
||
|
.ko(pp3_0_ko[21]), //--i--
|
||
|
.sum(pp3_0_sum[22]), //--o--
|
||
|
.car(pp3_0_car[21]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_21(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[21]), //--i--
|
||
|
.b(pp2_0_car[21]), //--i--
|
||
|
.c(pp2_1_sum[21]), //--i--
|
||
|
.d(pp2_1_car[21]), //--i--
|
||
|
.ki(pp3_0_ko[21]), //--i--
|
||
|
.ko(pp3_0_ko[20]), //--i--
|
||
|
.sum(pp3_0_sum[21]), //--o--
|
||
|
.car(pp3_0_car[20]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_20(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[20]), //--i--
|
||
|
.b(pp2_0_car[20]), //--i--
|
||
|
.c(pp2_1_sum[20]), //--i--
|
||
|
.d(pp2_1_car[20]), //--i--
|
||
|
.ki(pp3_0_ko[20]), //--i--
|
||
|
.ko(pp3_0_ko[19]), //--i--
|
||
|
.sum(pp3_0_sum[20]), //--o--
|
||
|
.car(pp3_0_car[19]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_19(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[19]), //--i--
|
||
|
.b(pp2_0_car[19]), //--i--
|
||
|
.c(pp2_1_sum[19]), //--i--
|
||
|
.d(pp2_1_car[19]), //--i--
|
||
|
.ki(pp3_0_ko[19]), //--i--
|
||
|
.ko(pp3_0_ko[18]), //--i--
|
||
|
.sum(pp3_0_sum[19]), //--o--
|
||
|
.car(pp3_0_car[18]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_18(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[18]), //--i--
|
||
|
.b(pp2_0_car[18]), //--i--
|
||
|
.c(pp2_1_sum[18]), //--i--
|
||
|
.d(pp2_1_car[18]), //--i--
|
||
|
.ki(pp3_0_ko[18]), //--i--
|
||
|
.ko(pp3_0_ko[17]), //--i--
|
||
|
.sum(pp3_0_sum[18]), //--o--
|
||
|
.car(pp3_0_car[17]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_17(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[17]), //--i--
|
||
|
.b(pp2_0_car[17]), //--i--
|
||
|
.c(pp2_1_sum[17]), //--i--
|
||
|
.d(pp2_1_car[17]), //--i--
|
||
|
.ki(pp3_0_ko[17]), //--i--
|
||
|
.ko(pp3_0_ko[16]), //--i--
|
||
|
.sum(pp3_0_sum[17]), //--o--
|
||
|
.car(pp3_0_car[16]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_16(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[16]), //--i--
|
||
|
.b(pp2_0_car[16]), //--i--
|
||
|
.c(pp2_1_sum[16]), //--i--
|
||
|
.d(pp2_1_car[16]), //--i--
|
||
|
.ki(pp3_0_ko[16]), //--i--
|
||
|
.ko(pp3_0_ko[15]), //--i--
|
||
|
.sum(pp3_0_sum[16]), //--o--
|
||
|
.car(pp3_0_car[15]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_15(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[15]), //--i--
|
||
|
.b(pp2_0_car[15]), //--i--
|
||
|
.c(pp2_1_sum[15]), //--i--
|
||
|
.d(pp2_1_car[15]), //--i--
|
||
|
.ki(pp3_0_ko[15]), //--i--
|
||
|
.ko(pp3_0_ko[14]), //--i--
|
||
|
.sum(pp3_0_sum[15]), //--o--
|
||
|
.car(pp3_0_car[14]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_14(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[14]), //--i--
|
||
|
.b(pp2_0_car[14]), //--i--
|
||
|
.c(pp2_1_sum[14]), //--i--
|
||
|
.d(pp2_1_car[14]), //--i--
|
||
|
.ki(pp3_0_ko[14]), //--i--
|
||
|
.ko(pp3_0_ko[13]), //--i--
|
||
|
.sum(pp3_0_sum[14]), //--o--
|
||
|
.car(pp3_0_car[13]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_13(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[13]), //--i--
|
||
|
.b(pp2_0_car[13]), //--i--
|
||
|
.c(pp2_1_sum[13]), //--i--
|
||
|
.d(pp2_1_car[13]), //--i--
|
||
|
.ki(pp3_0_ko[13]), //--i--
|
||
|
.ko(pp3_0_ko[12]), //--i--
|
||
|
.sum(pp3_0_sum[13]), //--o--
|
||
|
.car(pp3_0_car[12]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_12(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[12]), //--i--
|
||
|
.b(pp2_0_car[12]), //--i--
|
||
|
.c(pp2_1_sum[12]), //--i--
|
||
|
.d(tidn), //--i--
|
||
|
.ki(pp3_0_ko[12]), //--i--
|
||
|
.ko(pp3_0_ko[11]), //--i--
|
||
|
.sum(pp3_0_sum[12]), //--o--
|
||
|
.car(pp3_0_car[11]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_11(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[11]), //--i--
|
||
|
.b(pp2_0_car[11]), //--i--
|
||
|
.c(pp2_1_sum[11]), //--i--
|
||
|
.d(tidn), //--i--
|
||
|
.ki(pp3_0_ko[11]), //--i--
|
||
|
.ko(pp3_0_ko[10]), //--i--
|
||
|
.sum(pp3_0_sum[11]), //--o--
|
||
|
.car(pp3_0_car[10]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_10(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[10]), //--i--
|
||
|
.b(pp2_0_car[10]), //--i--
|
||
|
.c(pp2_1_sum[10]), //--i--
|
||
|
.d(tidn), //--i--
|
||
|
.ki(pp3_0_ko[10]), //--i--
|
||
|
.ko(pp3_0_ko[9]), //--i--
|
||
|
.sum(pp3_0_sum[10]), //--o--
|
||
|
.car(pp3_0_car[9]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa42 pp3_0_csa_9(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[9]), //--i--
|
||
|
.b(pp2_0_car[9]), //--i--
|
||
|
.c(pp2_1_sum[9]), //--i--
|
||
|
.d(tidn), //--i--
|
||
|
.ki(pp3_0_ko[9]), //--i--
|
||
|
.ko(pp3_0_ko[8]), //--i--
|
||
|
.sum(pp3_0_sum[9]), //--o--
|
||
|
.car(pp3_0_car[8]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_csa32 pp3_0_csa_8(
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.a(pp2_0_sum[8]), //--i--
|
||
|
.b(pp2_0_car[8]), //--i--
|
||
|
.c(pp3_0_ko[8]), //--i--
|
||
|
.sum(pp3_0_sum[8]), //--o--
|
||
|
.car(pp3_0_car[7]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp3_0_csa_7(
|
||
|
.a(pp2_0_sum[7]), //--i--
|
||
|
.b(pp2_0_car[7]), //--i--
|
||
|
.sum(pp3_0_sum[7]), //--o--
|
||
|
.car(pp3_0_car[6]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp3_0_csa_6(
|
||
|
.a(pp2_0_sum[6]), //--i--
|
||
|
.b(pp2_0_car[6]), //--i--
|
||
|
.sum(pp3_0_sum[6]), //--o--
|
||
|
.car(pp3_0_car[5]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp3_0_csa_5(
|
||
|
.a(pp2_0_sum[5]), //--i--
|
||
|
.b(pp2_0_car[5]), //--i--
|
||
|
.sum(pp3_0_sum[5]), //--o--
|
||
|
.car(pp3_0_car[4]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp3_0_csa_4(
|
||
|
.a(pp2_0_sum[4]), //--i--
|
||
|
.b(pp2_0_car[4]), //--i--
|
||
|
.sum(pp3_0_sum[4]), //--o--
|
||
|
.car(pp3_0_car[3]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp3_0_csa_3(
|
||
|
.a(pp2_0_sum[3]), //--i--
|
||
|
.b(pp2_0_car[3]), //--i--
|
||
|
.sum(pp3_0_sum[3]), //--o--
|
||
|
.car(pp3_0_car[2]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp3_0_csa_2(
|
||
|
.a(pp2_0_sum[2]), //--i--
|
||
|
.b(pp2_0_car[2]), //--i--
|
||
|
.sum(pp3_0_sum[2]), //--o--
|
||
|
.car(pp3_0_car[1]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp3_0_csa_1(
|
||
|
.a(pp2_0_sum[1]), //--i--
|
||
|
.b(pp2_0_car[1]), //--i--
|
||
|
.sum(pp3_0_sum[1]), //--o--
|
||
|
.car(pp3_0_car[0]) //--o--
|
||
|
);
|
||
|
|
||
|
tri_fu_csa22_h2 pp3_0_csa_0(
|
||
|
.a(pp2_0_sum[0]), //--i--
|
||
|
.b(pp2_0_car[0]), //--i--
|
||
|
.sum(pp3_0_sum[0]), //--o--
|
||
|
.car(pp3_0_car_unused) //--o--
|
||
|
);
|
||
|
|
||
|
//=====================================================================
|
||
|
|
||
|
assign tbl_sum[0:36] = pp3_0_sum[0:36];
|
||
|
assign tbl_car[0:35] = pp3_0_car[0:35];
|
||
|
|
||
|
endmodule
|