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919 lines
50 KiB
Verilog
919 lines
50 KiB
Verilog
2 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 fu_lze(
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vdd,
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gnd,
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clkoff_b,
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act_dis,
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flush,
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delay_lclkr,
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mpw1_b,
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mpw2_b,
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sg_1,
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thold_1,
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fpu_enable,
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nclk,
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f_lze_si,
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f_lze_so,
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ex2_act_b,
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f_eie_ex3_lzo_expo,
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f_eie_ex3_b_expo,
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f_eie_ex3_use_bexp,
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f_pic_ex3_lzo_dis_prod,
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f_pic_ex3_sp_lzo,
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f_pic_ex3_est_recip,
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f_pic_ex3_est_rsqrt,
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f_fmt_ex3_pass_msb_dp,
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f_pic_ex3_frsp_ue1,
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f_alg_ex3_byp_nonflip,
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f_pic_ex3_b_valid,
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f_alg_ex3_sel_byp,
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f_pic_ex3_to_integer,
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f_pic_ex3_prenorm,
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f_lze_ex3_lzo_din,
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f_lze_ex4_sh_rgt_amt,
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f_lze_ex4_sh_rgt_en
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);
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inout vdd;
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inout gnd;
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input clkoff_b; // tiup
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input act_dis; // ??tidn??
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input flush; // ??tidn??
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input [2:3] delay_lclkr; // tidn,
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input [2:3] mpw1_b; // tidn,
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input [0:0] mpw2_b; // tidn,
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input sg_1;
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input thold_1;
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input fpu_enable; //dc_act
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input [0:`NCLK_WIDTH-1] nclk;
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input f_lze_si; //perv
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output f_lze_so; //perv
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input ex2_act_b; //act
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input [1:13] f_eie_ex3_lzo_expo;
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input [1:13] f_eie_ex3_b_expo;
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input f_eie_ex3_use_bexp;
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input f_pic_ex3_lzo_dis_prod;
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input f_pic_ex3_sp_lzo;
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input f_pic_ex3_est_recip;
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input f_pic_ex3_est_rsqrt;
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input f_fmt_ex3_pass_msb_dp;
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input f_pic_ex3_frsp_ue1;
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input f_alg_ex3_byp_nonflip;
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input f_pic_ex3_b_valid;
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input f_alg_ex3_sel_byp;
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input f_pic_ex3_to_integer;
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input f_pic_ex3_prenorm;
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output [0:162] f_lze_ex3_lzo_din;
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output [0:7] f_lze_ex4_sh_rgt_amt;
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output f_lze_ex4_sh_rgt_en;
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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 thold_0_b;
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wire thold_0;
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wire force_t;
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wire sg_0;
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wire ex2_act;
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wire ex3_act;
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(* analysis_not_referenced="TRUE" *) // spare_unused
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wire [0:3] spare_unused;
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wire ex3_dp_001_by;
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wire ex3_sp_001_by;
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wire ex3_addr_dp_by;
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wire ex3_addr_sp_by;
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wire ex3_en_addr_dp_by;
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wire ex3_en_addr_sp_by;
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wire ex3_lzo_en;
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wire ex3_lzo_en_rapsp;
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wire ex3_lzo_en_by;
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wire ex3_expo_neg_dp_by;
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wire ex3_expo_neg_sp_by;
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wire ex3_expo_6_adj_by;
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wire ex3_addr_dp;
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wire ex3_addr_sp;
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wire ex3_addr_sp_rap;
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wire ex3_en_addr_dp;
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wire ex3_en_addr_sp;
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wire ex3_en_addr_sp_rap;
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wire ex3_lzo_cont;
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wire ex3_lzo_cont_dp;
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wire ex3_lzo_cont_sp;
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wire ex3_expo_neg_dp;
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wire ex3_expo_neg_sp;
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wire ex3_expo_6_adj;
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wire ex3_ins_est;
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wire ex3_sh_rgt_en_by;
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wire ex3_sh_rgt_en_p;
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wire ex3_sh_rgt_en;
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wire ex3_lzo_forbyp_0;
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wire ex3_lzo_nonbyp_0;
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wire ex4_sh_rgt_en;
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wire [1:13] ex3_expo_by;
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wire [0:0] ex3_lzo_dcd_hi_by;
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wire [0:0] ex3_lzo_dcd_lo_by;
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wire [1:13] ex3_expo;
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wire [0:10] ex3_lzo_dcd_hi;
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wire [0:15] ex3_lzo_dcd_lo;
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wire [8:13] ex3_expo_p_sim_p;
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wire [9:13] ex3_expo_p_sim_g;
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wire [8:13] ex3_expo_p_sim;
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wire [8:13] ex3_expo_sim_p;
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wire [9:13] ex3_expo_sim_g;
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wire [8:13] ex3_expo_sim;
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wire [0:7] ex3_sh_rgt_amt;
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wire [0:8] ex4_shr_so;
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wire [0:8] ex4_shr_si;
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wire [0:4] act_so;
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wire [0:4] act_si;
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wire [0:7] ex4_sh_rgt_amt;
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wire ex3_lzo_dcd_0;
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wire [0:162] ex3_lzo_dcd_b;
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(* analysis_not_referenced="TRUE" *) // unused
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wire unused;
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wire f_alg_ex3_sel_byp_b;
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wire ex3_lzo_nonbyp_0_b;
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wire ex3_lzo_forbyp_0_b;
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//-=###############################################################
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//-= map block attributes
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//-=###############################################################
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assign unused = ex3_lzo_dcd_b[0];
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//-=###############################################################
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//-= pervasive
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//-=###############################################################
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tri_plat thold_reg_0(
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.vd(vdd),
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.gd(gnd),
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.nclk(nclk),
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.flush(flush),
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.din(thold_1),
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.q(thold_0)
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);
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tri_plat sg_reg_0(
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.vd(vdd),
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.gd(gnd),
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.nclk(nclk),
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.flush(flush),
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.din(sg_1),
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.q(sg_0)
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);
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tri_lcbor lcbor_0(
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.clkoff_b(clkoff_b),
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.thold(thold_0),
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.sg(sg_0),
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.act_dis(act_dis),
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.force_t(force_t),
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.thold_b(thold_0_b)
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);
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//-=###############################################################
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//-= act
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//-=###############################################################
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assign ex2_act = (~ex2_act_b);
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tri_rlmreg_p #(.WIDTH(5), .NEEDS_SRESET(0)) act_lat(
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.force_t(force_t), // tidn,
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.d_mode(tiup),
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.delay_lclkr(delay_lclkr[2]), // tidn,
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.mpw1_b(mpw1_b[2]), // tidn,
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.mpw2_b(mpw2_b[0]), // tidn,
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.vd(vdd),
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.gd(gnd),
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.nclk(nclk),
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.act(fpu_enable),
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.thold_b(thold_0_b),
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.sg(sg_0),
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.scout(act_so),
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.scin(act_si),
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//-----------------
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.din({ spare_unused[0],
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spare_unused[1],
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ex2_act,
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spare_unused[2],
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spare_unused[3]}),
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//-----------------
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.dout({ spare_unused[0],
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spare_unused[1],
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ex3_act,
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spare_unused[2],
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spare_unused[3]})
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);
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//-=###############################################################
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//-= ex3 logic
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//-=###############################################################
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assign ex3_dp_001_by = (~ex3_expo_by[1]) & (~ex3_expo_by[2]) & (~ex3_expo_by[3]) & (~ex3_expo_by[4]) & (~ex3_expo_by[5]) & (~ex3_expo_by[6]) & (~ex3_expo_by[7]) & (~ex3_expo_by[8]) & (~ex3_expo_by[9]) & (~ex3_expo_by[10]) & (~ex3_expo_by[11]) & (~ex3_expo_by[12]) & ex3_expo_by[13]; //x001
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assign ex3_sp_001_by = (~ex3_expo_by[1]) & (~ex3_expo_by[2]) & (~ex3_expo_by[3]) & ex3_expo_by[4] & ex3_expo_by[5] & ex3_expo_by[6] & (~ex3_expo_by[7]) & (~ex3_expo_by[8]) & (~ex3_expo_by[9]) & (~ex3_expo_by[10]) & (~ex3_expo_by[11]) & (~ex3_expo_by[12]) & ex3_expo_by[13]; //x381
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//----------------------------------------------------------------
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// lzo dcd when B = denorm.
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// sp denorm in dp_format may need to denormalize.
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// sp is bypassed at [26] so there is room to do this on the left
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//----------------------------------------------------------------
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// if B is normalized when bypassed, then no need for denorm because it will not shift left ?
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// for EffSub, b MSB can move right 1 position ... only if BFrac = 0000111111,can't if bypass norm
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// If B==0 then should NOT bypass ... except for Move instructions.
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assign ex3_expo_by[1:13] = f_eie_ex3_b_expo[1:13];
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//=#------------------------------------------------
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//=#-- LZO Decode
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//=#------------------------------------------------
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// the product exponent points at [0] in the dataflow.
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// the lzo puts a marker (false edge) at the point where shifting must stop
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// so the lza will not create a denormal exponent. (001/897) dp/sp.
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// if p_expo==1 then maker @ 0
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// if p_expo==2 then maker @ 1
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// if p_expo==3 then maker @ 2
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//
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// false edges are also used to control shifting for to-integer, aligner-bypass
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assign ex3_addr_dp_by = (~ex3_expo_by[1]) & (~ex3_expo_by[2]) & (~ex3_expo_by[3]) & (~ex3_expo_by[4]) & (~ex3_expo_by[5]); // x001 (1) in bits above decode 256
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assign ex3_addr_sp_by = (~ex3_expo_by[1]) & (~ex3_expo_by[2]) & (~ex3_expo_by[3]) & ex3_expo_by[4] & ex3_expo_by[5]; // x381 (897) in bits above decode 256
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assign ex3_en_addr_dp_by = ex3_addr_dp_by & ex3_lzo_cont_dp;
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assign ex3_en_addr_sp_by = ex3_addr_sp_by & ex3_lzo_cont_sp;
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// want to avoid shift right for sp op with shOv of sp_den in dp format
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// sp is bypassed 26 positions to the left , mark with LZO to create the denorm.
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assign ex3_lzo_en_by = (ex3_en_addr_dp_by | ex3_en_addr_sp_by) & ex3_lzo_cont;
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//decode 0
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assign ex3_expo_neg_dp_by = (ex3_lzo_en_by & ex3_lzo_dcd_hi_by[0] & ex3_lzo_dcd_lo_by[0]) | (ex3_expo_by[1]); //negative exponent
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// dp denorm starts at 0, but sp denorm starts at 896 (x380)
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// sp addr 0_0011_xxxx_xxxx covers 0768-1023 <and with decode bits>
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// 0_000x_xxxx_xxxx covers 0000,0001
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// 0_00x0_xxxx_xxxx covers 0000,0010
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assign ex3_expo_neg_sp_by = (ex3_expo_by[1]) | ((~ex3_expo_by[2]) & (~ex3_expo_by[3]) & (~ex3_expo_by[4])) | ((~ex3_expo_by[2]) & (~ex3_expo_by[3]) & (~ex3_expo_by[5])) | ((~ex3_expo_by[2]) & (~ex3_expo_by[3]) & (~ex3_expo_by[6])) | ((~ex3_expo_by[2]) & (~ex3_expo_by[3]) & ex3_expo_by[4] & ex3_expo_by[5] & ex3_expo_by[6] & (~(ex3_expo_by[7] | ex3_expo_by[8] | ex3_expo_by[9] | ex3_expo_by[10] | ex3_expo_by[11] | ex3_expo_by[12] | ex3_expo_by[13]))); // negative
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assign ex3_expo_6_adj_by = ((~ex3_expo_by[6]) & f_pic_ex3_sp_lzo) | (ex3_expo_by[6] & (~f_pic_ex3_sp_lzo));
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assign ex3_lzo_dcd_0 = ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[1];
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assign ex3_lzo_dcd_hi_by[0] = (~ex3_expo_6_adj_by) & (~ex3_expo_by[7]) & (~ex3_expo_by[8]) & (~ex3_expo_by[9]) & ex3_lzo_en_by;
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assign ex3_lzo_dcd_lo_by[0] = (~ex3_expo_by[10]) & (~ex3_expo_by[11]) & (~ex3_expo_by[12]) & (~ex3_expo_by[13]);
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//=#------------------------------------------------
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//=#-- LZO Decode
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//=#------------------------------------------------
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// the product exponent points at [0] in the dataflow.
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// the lzo puts a marker (false edge) at the point where shifting must stop
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// so the lza will not create a denormal exponent. (001/897) dp/sp.
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// if p_expo==1 then maker @ 0
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// if p_expo==2 then maker @ 1
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// if p_expo==3 then maker @ 2
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//
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// false edges are also used to control shifting for to-integer, aligner-bypass
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assign ex3_expo[1:13] = f_eie_ex3_lzo_expo[1:13];
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assign ex3_addr_dp = (~ex3_expo[1]) & (~ex3_expo[2]) & (~ex3_expo[3]) & (~ex3_expo[4]) & (~ex3_expo[5]); // x001 (1) in bits above decode 256
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assign ex3_addr_sp = (~ex3_expo[1]) & (~ex3_expo[2]) & (~ex3_expo[3]) & ex3_expo[4] & ex3_expo[5]; // x381 (897) in bits above decode 256
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assign ex3_addr_sp_rap = (~ex3_expo[1]) & (~ex3_expo[2]) & ex3_expo[3] & (~ex3_expo[4]) & (~ex3_expo[5]); // x381 (897) in bits above decode 256
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assign ex3_en_addr_dp = ex3_addr_dp & ex3_lzo_cont_dp;
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assign ex3_en_addr_sp = ex3_addr_sp & ex3_lzo_cont_sp;
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assign ex3_en_addr_sp_rap = ex3_addr_sp_rap & ex3_lzo_cont_sp;
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assign ex3_lzo_cont = (~f_pic_ex3_lzo_dis_prod);
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assign ex3_lzo_cont_dp = (~f_pic_ex3_lzo_dis_prod) & (~f_pic_ex3_sp_lzo);
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||
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assign ex3_lzo_cont_sp = (~f_pic_ex3_lzo_dis_prod) & f_pic_ex3_sp_lzo;
|
||
|
|
||
|
// want to avoid shift right for sp op with shOv of sp_den in dp format
|
||
|
// sp is bypassed 26 positions to the left , mark with LZO to create the denorm.
|
||
|
|
||
|
assign ex3_lzo_en = (ex3_en_addr_dp | ex3_en_addr_sp) & ex3_lzo_cont;
|
||
|
assign ex3_lzo_en_rapsp = (ex3_en_addr_dp | ex3_en_addr_sp_rap) & ex3_lzo_cont;
|
||
|
|
||
|
//decode 0
|
||
|
assign ex3_expo_neg_dp = (ex3_lzo_en & ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[0]) | (ex3_expo[1]); //negative exponent
|
||
|
|
||
|
// dp denorm starts at 0, but sp denorm starts at 896 (x380)
|
||
|
// sp addr 0_0011_xxxx_xxxx covers 0768-1023 <and with decode bits>
|
||
|
// 0_000x_xxxx_xxxx covers 0000,0001
|
||
|
// 0_00x0_xxxx_xxxx covers 0000,0010
|
||
|
|
||
|
assign ex3_expo_neg_sp = (ex3_expo[1]) | ((~ex3_expo[2]) & (~ex3_expo[3]) & (~ex3_expo[4])) | ((~ex3_expo[2]) & (~ex3_expo[3]) & (~ex3_expo[5])) | ((~ex3_expo[2]) & (~ex3_expo[3]) & (~ex3_expo[6])) | ((~ex3_expo[2]) & (~ex3_expo[3]) & ex3_expo[4] & ex3_expo[5] & ex3_expo[6] & (~(ex3_expo[7] | ex3_expo[8] | ex3_expo[9] | ex3_expo[10] | ex3_expo[11] | ex3_expo[12] | ex3_expo[13]))); // negative
|
||
|
|
||
|
assign ex3_expo_6_adj = ((~ex3_expo[6]) & f_pic_ex3_sp_lzo) | (ex3_expo[6] & (~f_pic_ex3_sp_lzo));
|
||
|
|
||
|
assign ex3_lzo_dcd_hi[0] = (~ex3_expo_6_adj) & (~ex3_expo[7]) & (~ex3_expo[8]) & (~ex3_expo[9]) & ex3_lzo_en;
|
||
|
assign ex3_lzo_dcd_hi[1] = (~ex3_expo_6_adj) & (~ex3_expo[7]) & (~ex3_expo[8]) & ex3_expo[9] & ex3_lzo_en;
|
||
|
assign ex3_lzo_dcd_hi[2] = (~ex3_expo_6_adj) & (~ex3_expo[7]) & ex3_expo[8] & (~ex3_expo[9]) & ex3_lzo_en;
|
||
|
assign ex3_lzo_dcd_hi[3] = (~ex3_expo_6_adj) & (~ex3_expo[7]) & ex3_expo[8] & ex3_expo[9] & ex3_lzo_en;
|
||
|
assign ex3_lzo_dcd_hi[4] = (~ex3_expo_6_adj) & ex3_expo[7] & (~ex3_expo[8]) & (~ex3_expo[9]) & ex3_lzo_en;
|
||
|
assign ex3_lzo_dcd_hi[5] = (~ex3_expo_6_adj) & ex3_expo[7] & (~ex3_expo[8]) & ex3_expo[9] & ex3_lzo_en;
|
||
|
assign ex3_lzo_dcd_hi[6] = (~ex3_expo_6_adj) & ex3_expo[7] & ex3_expo[8] & (~ex3_expo[9]) & ex3_lzo_en;
|
||
|
assign ex3_lzo_dcd_hi[7] = (~ex3_expo_6_adj) & ex3_expo[7] & ex3_expo[8] & ex3_expo[9] & ex3_lzo_en;
|
||
|
assign ex3_lzo_dcd_hi[8] = ex3_expo_6_adj & (~ex3_expo[7]) & (~ex3_expo[8]) & (~ex3_expo[9]) & ex3_lzo_en_rapsp;
|
||
|
assign ex3_lzo_dcd_hi[9] = ex3_expo_6_adj & (~ex3_expo[7]) & (~ex3_expo[8]) & ex3_expo[9] & ex3_lzo_en_rapsp;
|
||
|
assign ex3_lzo_dcd_hi[10] = ex3_expo_6_adj & (~ex3_expo[7]) & ex3_expo[8] & (~ex3_expo[9]) & ex3_lzo_en_rapsp;
|
||
|
|
||
|
assign ex3_lzo_dcd_lo[0] = (~ex3_expo[10]) & (~ex3_expo[11]) & (~ex3_expo[12]) & (~ex3_expo[13]);
|
||
|
assign ex3_lzo_dcd_lo[1] = (~ex3_expo[10]) & (~ex3_expo[11]) & (~ex3_expo[12]) & ex3_expo[13];
|
||
|
assign ex3_lzo_dcd_lo[2] = (~ex3_expo[10]) & (~ex3_expo[11]) & ex3_expo[12] & (~ex3_expo[13]);
|
||
|
assign ex3_lzo_dcd_lo[3] = (~ex3_expo[10]) & (~ex3_expo[11]) & ex3_expo[12] & ex3_expo[13];
|
||
|
assign ex3_lzo_dcd_lo[4] = (~ex3_expo[10]) & ex3_expo[11] & (~ex3_expo[12]) & (~ex3_expo[13]);
|
||
|
assign ex3_lzo_dcd_lo[5] = (~ex3_expo[10]) & ex3_expo[11] & (~ex3_expo[12]) & ex3_expo[13];
|
||
|
assign ex3_lzo_dcd_lo[6] = (~ex3_expo[10]) & ex3_expo[11] & ex3_expo[12] & (~ex3_expo[13]);
|
||
|
assign ex3_lzo_dcd_lo[7] = (~ex3_expo[10]) & ex3_expo[11] & ex3_expo[12] & ex3_expo[13];
|
||
|
assign ex3_lzo_dcd_lo[8] = ex3_expo[10] & (~ex3_expo[11]) & (~ex3_expo[12]) & (~ex3_expo[13]);
|
||
|
assign ex3_lzo_dcd_lo[9] = ex3_expo[10] & (~ex3_expo[11]) & (~ex3_expo[12]) & ex3_expo[13];
|
||
|
assign ex3_lzo_dcd_lo[10] = ex3_expo[10] & (~ex3_expo[11]) & ex3_expo[12] & (~ex3_expo[13]);
|
||
|
assign ex3_lzo_dcd_lo[11] = ex3_expo[10] & (~ex3_expo[11]) & ex3_expo[12] & ex3_expo[13];
|
||
|
assign ex3_lzo_dcd_lo[12] = ex3_expo[10] & ex3_expo[11] & (~ex3_expo[12]) & (~ex3_expo[13]);
|
||
|
assign ex3_lzo_dcd_lo[13] = ex3_expo[10] & ex3_expo[11] & (~ex3_expo[12]) & ex3_expo[13];
|
||
|
assign ex3_lzo_dcd_lo[14] = ex3_expo[10] & ex3_expo[11] & ex3_expo[12] & (~ex3_expo[13]);
|
||
|
assign ex3_lzo_dcd_lo[15] = ex3_expo[10] & ex3_expo[11] & ex3_expo[12] & ex3_expo[13];
|
||
|
|
||
|
assign ex3_lzo_dcd_b[0] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[1]));
|
||
|
assign ex3_lzo_dcd_b[1] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[2]));
|
||
|
assign ex3_lzo_dcd_b[2] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[3]));
|
||
|
assign ex3_lzo_dcd_b[3] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[4]));
|
||
|
assign ex3_lzo_dcd_b[4] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[5]));
|
||
|
assign ex3_lzo_dcd_b[5] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[6]));
|
||
|
assign ex3_lzo_dcd_b[6] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[7]));
|
||
|
assign ex3_lzo_dcd_b[7] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[8]));
|
||
|
assign ex3_lzo_dcd_b[8] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[9]));
|
||
|
assign ex3_lzo_dcd_b[9] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[10]));
|
||
|
assign ex3_lzo_dcd_b[10] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[11]));
|
||
|
assign ex3_lzo_dcd_b[11] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[12]));
|
||
|
assign ex3_lzo_dcd_b[12] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[13]));
|
||
|
assign ex3_lzo_dcd_b[13] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[14]));
|
||
|
assign ex3_lzo_dcd_b[14] = (~(ex3_lzo_dcd_hi[0] & ex3_lzo_dcd_lo[15]));
|
||
|
|
||
|
assign ex3_lzo_dcd_b[15] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[0]));
|
||
|
assign ex3_lzo_dcd_b[16] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[1]));
|
||
|
assign ex3_lzo_dcd_b[17] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[2]));
|
||
|
assign ex3_lzo_dcd_b[18] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[3]));
|
||
|
assign ex3_lzo_dcd_b[19] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[4]));
|
||
|
assign ex3_lzo_dcd_b[20] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[5]));
|
||
|
assign ex3_lzo_dcd_b[21] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[6]));
|
||
|
assign ex3_lzo_dcd_b[22] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[7]));
|
||
|
assign ex3_lzo_dcd_b[23] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[8]));
|
||
|
assign ex3_lzo_dcd_b[24] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[9]));
|
||
|
assign ex3_lzo_dcd_b[25] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[10]));
|
||
|
assign ex3_lzo_dcd_b[26] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[11]));
|
||
|
assign ex3_lzo_dcd_b[27] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[12]));
|
||
|
assign ex3_lzo_dcd_b[28] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[13]));
|
||
|
assign ex3_lzo_dcd_b[29] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[14]));
|
||
|
assign ex3_lzo_dcd_b[30] = (~(ex3_lzo_dcd_hi[1] & ex3_lzo_dcd_lo[15]));
|
||
|
|
||
|
assign ex3_lzo_dcd_b[31] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[0]));
|
||
|
assign ex3_lzo_dcd_b[32] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[1]));
|
||
|
assign ex3_lzo_dcd_b[33] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[2]));
|
||
|
assign ex3_lzo_dcd_b[34] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[3]));
|
||
|
assign ex3_lzo_dcd_b[35] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[4]));
|
||
|
assign ex3_lzo_dcd_b[36] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[5]));
|
||
|
assign ex3_lzo_dcd_b[37] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[6]));
|
||
|
assign ex3_lzo_dcd_b[38] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[7]));
|
||
|
assign ex3_lzo_dcd_b[39] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[8]));
|
||
|
assign ex3_lzo_dcd_b[40] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[9]));
|
||
|
assign ex3_lzo_dcd_b[41] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[10]));
|
||
|
assign ex3_lzo_dcd_b[42] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[11]));
|
||
|
assign ex3_lzo_dcd_b[43] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[12]));
|
||
|
assign ex3_lzo_dcd_b[44] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[13]));
|
||
|
assign ex3_lzo_dcd_b[45] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[14]));
|
||
|
assign ex3_lzo_dcd_b[46] = (~(ex3_lzo_dcd_hi[2] & ex3_lzo_dcd_lo[15]));
|
||
|
|
||
|
assign ex3_lzo_dcd_b[47] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[0]));
|
||
|
assign ex3_lzo_dcd_b[48] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[1]));
|
||
|
assign ex3_lzo_dcd_b[49] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[2]));
|
||
|
assign ex3_lzo_dcd_b[50] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[3]));
|
||
|
assign ex3_lzo_dcd_b[51] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[4]));
|
||
|
assign ex3_lzo_dcd_b[52] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[5]));
|
||
|
assign ex3_lzo_dcd_b[53] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[6]));
|
||
|
assign ex3_lzo_dcd_b[54] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[7]));
|
||
|
assign ex3_lzo_dcd_b[55] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[8]));
|
||
|
assign ex3_lzo_dcd_b[56] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[9]));
|
||
|
assign ex3_lzo_dcd_b[57] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[10]));
|
||
|
assign ex3_lzo_dcd_b[58] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[11]));
|
||
|
assign ex3_lzo_dcd_b[59] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[12]));
|
||
|
assign ex3_lzo_dcd_b[60] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[13]));
|
||
|
assign ex3_lzo_dcd_b[61] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[14]));
|
||
|
assign ex3_lzo_dcd_b[62] = (~(ex3_lzo_dcd_hi[3] & ex3_lzo_dcd_lo[15]));
|
||
|
|
||
|
assign ex3_lzo_dcd_b[63] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[0]));
|
||
|
assign ex3_lzo_dcd_b[64] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[1]));
|
||
|
assign ex3_lzo_dcd_b[65] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[2]));
|
||
|
assign ex3_lzo_dcd_b[66] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[3]));
|
||
|
assign ex3_lzo_dcd_b[67] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[4]));
|
||
|
assign ex3_lzo_dcd_b[68] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[5]));
|
||
|
assign ex3_lzo_dcd_b[69] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[6]));
|
||
|
assign ex3_lzo_dcd_b[70] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[7]));
|
||
|
assign ex3_lzo_dcd_b[71] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[8]));
|
||
|
assign ex3_lzo_dcd_b[72] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[9]));
|
||
|
assign ex3_lzo_dcd_b[73] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[10]));
|
||
|
assign ex3_lzo_dcd_b[74] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[11]));
|
||
|
assign ex3_lzo_dcd_b[75] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[12]));
|
||
|
assign ex3_lzo_dcd_b[76] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[13]));
|
||
|
assign ex3_lzo_dcd_b[77] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[14]));
|
||
|
assign ex3_lzo_dcd_b[78] = (~(ex3_lzo_dcd_hi[4] & ex3_lzo_dcd_lo[15]));
|
||
|
|
||
|
assign ex3_lzo_dcd_b[79] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[0]));
|
||
|
assign ex3_lzo_dcd_b[80] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[1]));
|
||
|
assign ex3_lzo_dcd_b[81] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[2]));
|
||
|
assign ex3_lzo_dcd_b[82] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[3]));
|
||
|
assign ex3_lzo_dcd_b[83] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[4]));
|
||
|
assign ex3_lzo_dcd_b[84] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[5]));
|
||
|
assign ex3_lzo_dcd_b[85] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[6]));
|
||
|
assign ex3_lzo_dcd_b[86] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[7]));
|
||
|
assign ex3_lzo_dcd_b[87] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[8]));
|
||
|
assign ex3_lzo_dcd_b[88] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[9]));
|
||
|
assign ex3_lzo_dcd_b[89] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[10]));
|
||
|
assign ex3_lzo_dcd_b[90] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[11]));
|
||
|
assign ex3_lzo_dcd_b[91] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[12]));
|
||
|
assign ex3_lzo_dcd_b[92] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[13]));
|
||
|
assign ex3_lzo_dcd_b[93] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[14]));
|
||
|
assign ex3_lzo_dcd_b[94] = (~(ex3_lzo_dcd_hi[5] & ex3_lzo_dcd_lo[15]));
|
||
|
|
||
|
assign ex3_lzo_dcd_b[95] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[0]));
|
||
|
assign ex3_lzo_dcd_b[96] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[1]));
|
||
|
assign ex3_lzo_dcd_b[97] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[2]));
|
||
|
assign ex3_lzo_dcd_b[98] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[3]));
|
||
|
assign ex3_lzo_dcd_b[99] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[4]));
|
||
|
assign ex3_lzo_dcd_b[100] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[5]));
|
||
|
assign ex3_lzo_dcd_b[101] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[6]));
|
||
|
assign ex3_lzo_dcd_b[102] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[7]));
|
||
|
assign ex3_lzo_dcd_b[103] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[8]));
|
||
|
assign ex3_lzo_dcd_b[104] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[9]));
|
||
|
assign ex3_lzo_dcd_b[105] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[10]));
|
||
|
assign ex3_lzo_dcd_b[106] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[11]));
|
||
|
assign ex3_lzo_dcd_b[107] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[12]));
|
||
|
assign ex3_lzo_dcd_b[108] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[13]));
|
||
|
assign ex3_lzo_dcd_b[109] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[14]));
|
||
|
assign ex3_lzo_dcd_b[110] = (~(ex3_lzo_dcd_hi[6] & ex3_lzo_dcd_lo[15]));
|
||
|
|
||
|
assign ex3_lzo_dcd_b[111] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[0]));
|
||
|
assign ex3_lzo_dcd_b[112] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[1]));
|
||
|
assign ex3_lzo_dcd_b[113] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[2]));
|
||
|
assign ex3_lzo_dcd_b[114] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[3]));
|
||
|
assign ex3_lzo_dcd_b[115] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[4]));
|
||
|
assign ex3_lzo_dcd_b[116] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[5]));
|
||
|
assign ex3_lzo_dcd_b[117] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[6]));
|
||
|
assign ex3_lzo_dcd_b[118] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[7]));
|
||
|
assign ex3_lzo_dcd_b[119] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[8]));
|
||
|
assign ex3_lzo_dcd_b[120] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[9]));
|
||
|
assign ex3_lzo_dcd_b[121] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[10]));
|
||
|
assign ex3_lzo_dcd_b[122] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[11]));
|
||
|
assign ex3_lzo_dcd_b[123] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[12]));
|
||
|
assign ex3_lzo_dcd_b[124] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[13]));
|
||
|
assign ex3_lzo_dcd_b[125] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[14]));
|
||
|
assign ex3_lzo_dcd_b[126] = (~(ex3_lzo_dcd_hi[7] & ex3_lzo_dcd_lo[15]));
|
||
|
|
||
|
assign ex3_lzo_dcd_b[127] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[0]));
|
||
|
assign ex3_lzo_dcd_b[128] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[1]));
|
||
|
assign ex3_lzo_dcd_b[129] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[2]));
|
||
|
assign ex3_lzo_dcd_b[130] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[3]));
|
||
|
assign ex3_lzo_dcd_b[131] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[4]));
|
||
|
assign ex3_lzo_dcd_b[132] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[5]));
|
||
|
assign ex3_lzo_dcd_b[133] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[6]));
|
||
|
assign ex3_lzo_dcd_b[134] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[7]));
|
||
|
assign ex3_lzo_dcd_b[135] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[8]));
|
||
|
assign ex3_lzo_dcd_b[136] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[9]));
|
||
|
assign ex3_lzo_dcd_b[137] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[10]));
|
||
|
assign ex3_lzo_dcd_b[138] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[11]));
|
||
|
assign ex3_lzo_dcd_b[139] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[12]));
|
||
|
assign ex3_lzo_dcd_b[140] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[13]));
|
||
|
assign ex3_lzo_dcd_b[141] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[14]));
|
||
|
assign ex3_lzo_dcd_b[142] = (~(ex3_lzo_dcd_hi[8] & ex3_lzo_dcd_lo[15]));
|
||
|
|
||
|
assign ex3_lzo_dcd_b[143] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[0]));
|
||
|
assign ex3_lzo_dcd_b[144] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[1]));
|
||
|
assign ex3_lzo_dcd_b[145] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[2]));
|
||
|
assign ex3_lzo_dcd_b[146] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[3]));
|
||
|
assign ex3_lzo_dcd_b[147] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[4]));
|
||
|
assign ex3_lzo_dcd_b[148] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[5]));
|
||
|
assign ex3_lzo_dcd_b[149] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[6]));
|
||
|
assign ex3_lzo_dcd_b[150] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[7]));
|
||
|
assign ex3_lzo_dcd_b[151] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[8]));
|
||
|
assign ex3_lzo_dcd_b[152] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[9]));
|
||
|
assign ex3_lzo_dcd_b[153] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[10]));
|
||
|
assign ex3_lzo_dcd_b[154] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[11]));
|
||
|
assign ex3_lzo_dcd_b[155] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[12]));
|
||
|
assign ex3_lzo_dcd_b[156] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[13]));
|
||
|
assign ex3_lzo_dcd_b[157] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[14]));
|
||
|
assign ex3_lzo_dcd_b[158] = (~(ex3_lzo_dcd_hi[9] & ex3_lzo_dcd_lo[15]));
|
||
|
|
||
|
assign ex3_lzo_dcd_b[159] = (~(ex3_lzo_dcd_hi[10] & ex3_lzo_dcd_lo[0]));
|
||
|
assign ex3_lzo_dcd_b[160] = (~(ex3_lzo_dcd_hi[10] & ex3_lzo_dcd_lo[1]));
|
||
|
assign ex3_lzo_dcd_b[161] = (~(ex3_lzo_dcd_hi[10] & ex3_lzo_dcd_lo[2]));
|
||
|
assign ex3_lzo_dcd_b[162] = (~(ex3_lzo_dcd_hi[10] & ex3_lzo_dcd_lo[3]));
|
||
|
|
||
|
//-----------------------------------------
|
||
|
|
||
|
assign f_alg_ex3_sel_byp_b = (~(f_alg_ex3_sel_byp));
|
||
|
assign ex3_lzo_nonbyp_0_b = (~(ex3_lzo_nonbyp_0));
|
||
|
assign ex3_lzo_forbyp_0_b = (~(ex3_lzo_forbyp_0));
|
||
|
|
||
|
assign f_lze_ex3_lzo_din[0] = (~((f_alg_ex3_sel_byp | ex3_lzo_nonbyp_0_b) & (f_alg_ex3_sel_byp_b | ex3_lzo_forbyp_0_b))); // neg input and/or
|
||
|
assign f_lze_ex3_lzo_din[1] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[1])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[2] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[2])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[3] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[3])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[4] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[4])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[5] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[5])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[6] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[6])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[7] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[7])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[8] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[8])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[9] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[9])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[10] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[10])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[11] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[11])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[12] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[12])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[13] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[13])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[14] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[14])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[15] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[15])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[16] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[16])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[17] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[17])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[18] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[18])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[19] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[19])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[20] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[20])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[21] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[21])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[22] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[22])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[23] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[23])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[24] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[24])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[25] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[25])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[26] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[26])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[27] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[27])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[28] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[28])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[29] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[29])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[30] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[30])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[31] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[31])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[32] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[32])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[33] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[33])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[34] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[34])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[35] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[35])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[36] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[36])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[37] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[37])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[38] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[38])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[39] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[39])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[40] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[40])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[41] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[41])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[42] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[42])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[43] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[43])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[44] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[44])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[45] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[45])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[46] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[46])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[47] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[47])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[48] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[48])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[49] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[49])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[50] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[50])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[51] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[51])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[52] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[52])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[53] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[53])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[54] = (~(f_alg_ex3_sel_byp | ex3_lzo_dcd_b[54])); // neg input and --
|
||
|
assign f_lze_ex3_lzo_din[55] = (~ex3_lzo_dcd_b[55]);
|
||
|
assign f_lze_ex3_lzo_din[56] = (~ex3_lzo_dcd_b[56]);
|
||
|
assign f_lze_ex3_lzo_din[57] = (~ex3_lzo_dcd_b[57]);
|
||
|
assign f_lze_ex3_lzo_din[58] = (~ex3_lzo_dcd_b[58]);
|
||
|
assign f_lze_ex3_lzo_din[59] = (~ex3_lzo_dcd_b[59]);
|
||
|
assign f_lze_ex3_lzo_din[60] = (~ex3_lzo_dcd_b[60]);
|
||
|
assign f_lze_ex3_lzo_din[61] = (~ex3_lzo_dcd_b[61]);
|
||
|
assign f_lze_ex3_lzo_din[62] = (~ex3_lzo_dcd_b[62]);
|
||
|
assign f_lze_ex3_lzo_din[63] = (~ex3_lzo_dcd_b[63]);
|
||
|
assign f_lze_ex3_lzo_din[64] = (~ex3_lzo_dcd_b[64]);
|
||
|
assign f_lze_ex3_lzo_din[65] = (~ex3_lzo_dcd_b[65]);
|
||
|
assign f_lze_ex3_lzo_din[66] = (~ex3_lzo_dcd_b[66]);
|
||
|
assign f_lze_ex3_lzo_din[67] = (~ex3_lzo_dcd_b[67]);
|
||
|
assign f_lze_ex3_lzo_din[68] = (~ex3_lzo_dcd_b[68]);
|
||
|
assign f_lze_ex3_lzo_din[69] = (~ex3_lzo_dcd_b[69]);
|
||
|
assign f_lze_ex3_lzo_din[70] = (~ex3_lzo_dcd_b[70]);
|
||
|
assign f_lze_ex3_lzo_din[71] = (~ex3_lzo_dcd_b[71]);
|
||
|
assign f_lze_ex3_lzo_din[72] = (~ex3_lzo_dcd_b[72]);
|
||
|
assign f_lze_ex3_lzo_din[73] = (~ex3_lzo_dcd_b[73]);
|
||
|
assign f_lze_ex3_lzo_din[74] = (~ex3_lzo_dcd_b[74]);
|
||
|
assign f_lze_ex3_lzo_din[75] = (~ex3_lzo_dcd_b[75]);
|
||
|
assign f_lze_ex3_lzo_din[76] = (~ex3_lzo_dcd_b[76]);
|
||
|
assign f_lze_ex3_lzo_din[77] = (~ex3_lzo_dcd_b[77]);
|
||
|
assign f_lze_ex3_lzo_din[78] = (~ex3_lzo_dcd_b[78]);
|
||
|
assign f_lze_ex3_lzo_din[79] = (~ex3_lzo_dcd_b[79]);
|
||
|
assign f_lze_ex3_lzo_din[80] = (~ex3_lzo_dcd_b[80]);
|
||
|
assign f_lze_ex3_lzo_din[81] = (~ex3_lzo_dcd_b[81]);
|
||
|
assign f_lze_ex3_lzo_din[82] = (~ex3_lzo_dcd_b[82]);
|
||
|
assign f_lze_ex3_lzo_din[83] = (~ex3_lzo_dcd_b[83]);
|
||
|
assign f_lze_ex3_lzo_din[84] = (~ex3_lzo_dcd_b[84]);
|
||
|
assign f_lze_ex3_lzo_din[85] = (~ex3_lzo_dcd_b[85]);
|
||
|
assign f_lze_ex3_lzo_din[86] = (~ex3_lzo_dcd_b[86]);
|
||
|
assign f_lze_ex3_lzo_din[87] = (~ex3_lzo_dcd_b[87]);
|
||
|
assign f_lze_ex3_lzo_din[88] = (~ex3_lzo_dcd_b[88]);
|
||
|
assign f_lze_ex3_lzo_din[89] = (~ex3_lzo_dcd_b[89]);
|
||
|
assign f_lze_ex3_lzo_din[90] = (~ex3_lzo_dcd_b[90]);
|
||
|
assign f_lze_ex3_lzo_din[91] = (~ex3_lzo_dcd_b[91]);
|
||
|
assign f_lze_ex3_lzo_din[92] = (~ex3_lzo_dcd_b[92]);
|
||
|
assign f_lze_ex3_lzo_din[93] = (~ex3_lzo_dcd_b[93]);
|
||
|
assign f_lze_ex3_lzo_din[94] = (~ex3_lzo_dcd_b[94]);
|
||
|
assign f_lze_ex3_lzo_din[95] = (~ex3_lzo_dcd_b[95]);
|
||
|
assign f_lze_ex3_lzo_din[96] = (~ex3_lzo_dcd_b[96]);
|
||
|
assign f_lze_ex3_lzo_din[97] = (~ex3_lzo_dcd_b[97]);
|
||
|
assign f_lze_ex3_lzo_din[98] = (~ex3_lzo_dcd_b[98]);
|
||
|
assign f_lze_ex3_lzo_din[99] = (~(ex3_lzo_dcd_b[99] & (~f_pic_ex3_to_integer)));
|
||
|
assign f_lze_ex3_lzo_din[100] = (~ex3_lzo_dcd_b[100]);
|
||
|
assign f_lze_ex3_lzo_din[101] = (~ex3_lzo_dcd_b[101]);
|
||
|
assign f_lze_ex3_lzo_din[102] = (~ex3_lzo_dcd_b[102]);
|
||
|
assign f_lze_ex3_lzo_din[103] = (~ex3_lzo_dcd_b[103]);
|
||
|
assign f_lze_ex3_lzo_din[104] = (~ex3_lzo_dcd_b[104]);
|
||
|
assign f_lze_ex3_lzo_din[105] = (~ex3_lzo_dcd_b[105]);
|
||
|
assign f_lze_ex3_lzo_din[106] = (~ex3_lzo_dcd_b[106]);
|
||
|
assign f_lze_ex3_lzo_din[107] = (~ex3_lzo_dcd_b[107]);
|
||
|
assign f_lze_ex3_lzo_din[108] = (~ex3_lzo_dcd_b[108]);
|
||
|
assign f_lze_ex3_lzo_din[109] = (~ex3_lzo_dcd_b[109]);
|
||
|
assign f_lze_ex3_lzo_din[110] = (~ex3_lzo_dcd_b[110]);
|
||
|
assign f_lze_ex3_lzo_din[111] = (~ex3_lzo_dcd_b[111]);
|
||
|
assign f_lze_ex3_lzo_din[112] = (~ex3_lzo_dcd_b[112]);
|
||
|
assign f_lze_ex3_lzo_din[113] = (~ex3_lzo_dcd_b[113]);
|
||
|
assign f_lze_ex3_lzo_din[114] = (~ex3_lzo_dcd_b[114]);
|
||
|
assign f_lze_ex3_lzo_din[115] = (~ex3_lzo_dcd_b[115]);
|
||
|
assign f_lze_ex3_lzo_din[116] = (~ex3_lzo_dcd_b[116]);
|
||
|
assign f_lze_ex3_lzo_din[117] = (~ex3_lzo_dcd_b[117]);
|
||
|
assign f_lze_ex3_lzo_din[118] = (~ex3_lzo_dcd_b[118]);
|
||
|
assign f_lze_ex3_lzo_din[119] = (~ex3_lzo_dcd_b[119]);
|
||
|
assign f_lze_ex3_lzo_din[120] = (~ex3_lzo_dcd_b[120]);
|
||
|
assign f_lze_ex3_lzo_din[121] = (~ex3_lzo_dcd_b[121]);
|
||
|
assign f_lze_ex3_lzo_din[122] = (~ex3_lzo_dcd_b[122]);
|
||
|
assign f_lze_ex3_lzo_din[123] = (~ex3_lzo_dcd_b[123]);
|
||
|
assign f_lze_ex3_lzo_din[124] = (~ex3_lzo_dcd_b[124]);
|
||
|
assign f_lze_ex3_lzo_din[125] = (~ex3_lzo_dcd_b[125]);
|
||
|
assign f_lze_ex3_lzo_din[126] = (~ex3_lzo_dcd_b[126]);
|
||
|
assign f_lze_ex3_lzo_din[127] = (~ex3_lzo_dcd_b[127]);
|
||
|
assign f_lze_ex3_lzo_din[128] = (~ex3_lzo_dcd_b[128]);
|
||
|
assign f_lze_ex3_lzo_din[129] = (~ex3_lzo_dcd_b[129]);
|
||
|
assign f_lze_ex3_lzo_din[130] = (~ex3_lzo_dcd_b[130]);
|
||
|
assign f_lze_ex3_lzo_din[131] = (~ex3_lzo_dcd_b[131]);
|
||
|
assign f_lze_ex3_lzo_din[132] = (~ex3_lzo_dcd_b[132]);
|
||
|
assign f_lze_ex3_lzo_din[133] = (~ex3_lzo_dcd_b[133]);
|
||
|
assign f_lze_ex3_lzo_din[134] = (~ex3_lzo_dcd_b[134]);
|
||
|
assign f_lze_ex3_lzo_din[135] = (~ex3_lzo_dcd_b[135]);
|
||
|
assign f_lze_ex3_lzo_din[136] = (~ex3_lzo_dcd_b[136]);
|
||
|
assign f_lze_ex3_lzo_din[137] = (~ex3_lzo_dcd_b[137]);
|
||
|
assign f_lze_ex3_lzo_din[138] = (~ex3_lzo_dcd_b[138]);
|
||
|
assign f_lze_ex3_lzo_din[139] = (~ex3_lzo_dcd_b[139]);
|
||
|
assign f_lze_ex3_lzo_din[140] = (~ex3_lzo_dcd_b[140]);
|
||
|
assign f_lze_ex3_lzo_din[141] = (~ex3_lzo_dcd_b[141]);
|
||
|
assign f_lze_ex3_lzo_din[142] = (~ex3_lzo_dcd_b[142]);
|
||
|
assign f_lze_ex3_lzo_din[143] = (~ex3_lzo_dcd_b[143]);
|
||
|
assign f_lze_ex3_lzo_din[144] = (~ex3_lzo_dcd_b[144]);
|
||
|
assign f_lze_ex3_lzo_din[145] = (~ex3_lzo_dcd_b[145]);
|
||
|
assign f_lze_ex3_lzo_din[146] = (~ex3_lzo_dcd_b[146]);
|
||
|
assign f_lze_ex3_lzo_din[147] = (~ex3_lzo_dcd_b[147]);
|
||
|
assign f_lze_ex3_lzo_din[148] = (~ex3_lzo_dcd_b[148]);
|
||
|
assign f_lze_ex3_lzo_din[149] = (~ex3_lzo_dcd_b[149]);
|
||
|
assign f_lze_ex3_lzo_din[150] = (~ex3_lzo_dcd_b[150]);
|
||
|
assign f_lze_ex3_lzo_din[151] = (~ex3_lzo_dcd_b[151]);
|
||
|
assign f_lze_ex3_lzo_din[152] = (~ex3_lzo_dcd_b[152]);
|
||
|
assign f_lze_ex3_lzo_din[153] = (~ex3_lzo_dcd_b[153]);
|
||
|
assign f_lze_ex3_lzo_din[154] = (~ex3_lzo_dcd_b[154]);
|
||
|
assign f_lze_ex3_lzo_din[155] = (~ex3_lzo_dcd_b[155]);
|
||
|
assign f_lze_ex3_lzo_din[156] = (~ex3_lzo_dcd_b[156]);
|
||
|
assign f_lze_ex3_lzo_din[157] = (~ex3_lzo_dcd_b[157]);
|
||
|
assign f_lze_ex3_lzo_din[158] = (~ex3_lzo_dcd_b[158]);
|
||
|
assign f_lze_ex3_lzo_din[159] = (~ex3_lzo_dcd_b[159]);
|
||
|
assign f_lze_ex3_lzo_din[160] = (~ex3_lzo_dcd_b[160]);
|
||
|
assign f_lze_ex3_lzo_din[161] = (~ex3_lzo_dcd_b[161]);
|
||
|
assign f_lze_ex3_lzo_din[162] = (~ex3_lzo_dcd_b[162]);
|
||
|
|
||
|
////##------------------------------------------
|
||
|
////## shift right stuff ... some could be in cycle 3
|
||
|
////##------------------------------------------
|
||
|
|
||
|
// enable shift right when bypassing a denormal B operand (and NOT ue=1 or PRRENORM)
|
||
|
|
||
|
assign ex3_ins_est = f_pic_ex3_est_recip | f_pic_ex3_est_rsqrt;
|
||
|
|
||
|
assign ex3_sh_rgt_en_by = (f_eie_ex3_use_bexp & ex3_expo_neg_sp_by & ex3_lzo_cont_sp & (~f_alg_ex3_byp_nonflip) & (~ex3_ins_est)) | (f_eie_ex3_use_bexp & ex3_expo_neg_dp_by & ex3_lzo_cont_dp & (~f_alg_ex3_byp_nonflip) & (~ex3_ins_est)); // set LZO[0] so can just OR into result
|
||
|
assign ex3_sh_rgt_en_p = ((~f_eie_ex3_use_bexp) & ex3_expo_neg_sp & ex3_lzo_cont_sp & (~f_alg_ex3_byp_nonflip)) | ((~f_eie_ex3_use_bexp) & ex3_expo_neg_dp & ex3_lzo_cont_dp & (~f_alg_ex3_byp_nonflip)); // set LZO[0] so can just OR into result
|
||
|
|
||
|
assign ex3_sh_rgt_en = ex3_sh_rgt_en_by | ex3_sh_rgt_en_p;
|
||
|
|
||
|
////----------------------------------------------------------------------------------------------
|
||
|
//// you might be thinking that the shift right amount needs a limiter (so that amounts > 64
|
||
|
//// do not wrap a round and leave bits in the result when the result should be zero).
|
||
|
//// (1) if the shift amount belongs to the "B" operand, (bypass) and since we only shift right
|
||
|
//// when B is a denorm (it has a bit on) then the maximum shift right is (52) because
|
||
|
//// the smallest b exponent (expo min) after prenorm is -52.
|
||
|
//// there is the possibility that a divide could create an artificially small Bexpo.
|
||
|
//// if that is true the shift right amount should be zero (right 64 followed by left 0).
|
||
|
//// (2) otherwise the right shift amount comes from the product exponent.
|
||
|
//// the product exponent could be very small, however for a multiply add if it becomes
|
||
|
//// too small then the exponent will come from the addend, so no problem.
|
||
|
//// a multiply instruction does not have an addend, and it could have a very small exponent.
|
||
|
//// BUT, the lead bit is at [55] and even if the shift right goes right 64 followed by left 64,
|
||
|
//// it will not but a bit into the result or guard fields.
|
||
|
////-----------------------------------------------------------------------------------------------
|
||
|
|
||
|
// calculate shift right amount (DP) ... expo must be correct value to subtract in expo logic
|
||
|
// decode = 0 shift right 1 -(-1) for expo 0_0000_0000_0000 -> 1_1111_1111_1111 -x = !x + 1, !x = -x - 1
|
||
|
// decode = -1 shift right 2 -(-2) for expo 0_0000_0000_0001 -> 1_1111_1111_1110
|
||
|
// decode = -2 shift right 3 -(-3) for expo 0_0000_0000_0010 -> 1_1111_1111_1101
|
||
|
//
|
||
|
// max = -53 0_0000_0011_0101 -> 1_1111_1100_1010
|
||
|
// * **** **dd_dddd
|
||
|
|
||
|
// calculate shift right amount (SP)
|
||
|
// decode = x380 shift right 1 -(-1) for expo 0_0011_1000_0000 -> 1_1100_0111_1111 -x = !x + 1, !x = -x - 1
|
||
|
// decode = x37F shift right 2 -(-2) for expo 0_0011_1000_0001 -> 1_1100_0111_1110
|
||
|
// decode = x37E shift right 3 -(-3) for expo 0_0011_1000_0010 -> 1_1100_0111_1101
|
||
|
// * **** **dd_dddd
|
||
|
|
||
|
// expo = Bexpo - lza
|
||
|
// Bexpo + (!lza) ... lza is usually sign extended and inverted to make a negative number,
|
||
|
// Bexpo must be added to in denorm cases
|
||
|
// Make lza a negative number, so that when it is flipped it becomes a positive number.
|
||
|
//
|
||
|
// expo_adj
|
||
|
// expo = x380 896 0_0011_1000_0000 1 -( 1) 1111_1111
|
||
|
// expo = x37f 895 0_0011_0111_1111 2 -( 2) 1111_1110
|
||
|
// expo = x37e 894 0_0011_0111_1110 3 1111_1101
|
||
|
// expo = x37d 893 0_0011_0111_1101 4 1111_1100
|
||
|
// expo = x37c 892 0_0011_0111_1100 5
|
||
|
// expo = x37b 891 0_0011_0111_1011 6
|
||
|
// expo = x37a 890 0_0011_0111_1010 7
|
||
|
// expo = x379 889 0_0011_0111_1001 8
|
||
|
// expo = x378 888 0_0011_0111_1000 9
|
||
|
// expo = x377 887 0_0011_0111_0111 10
|
||
|
// expo = x376 886 0_0011_0111_0110 11
|
||
|
// expo = x375 885 0_0011_0111_0101 12
|
||
|
// expo = x374 884 0_0011_0111_0100 13
|
||
|
// expo = x373 883 0_0011_0111_0011 14
|
||
|
// expo = x372 882 0_0011_0111_0010 15
|
||
|
// expo = x371 881 0_0011_0111_0001 16
|
||
|
// expo = x370 880 0_0011_0111_0000 17
|
||
|
// expo = x36f 879 0_0011_0110_1111 18
|
||
|
// expo = x36e 878 0_0011_0110_1110 19
|
||
|
// expo = x36d 877 0_0011_0110_1101 20
|
||
|
// expo = x36c 876 0_0011_0110_1100 21
|
||
|
// expo = x36b 875 0_0011_0110_1011 22
|
||
|
// expo = x36a 874 0_0011_0110_1010 23 -(23) 1110_1001
|
||
|
//-----------------------------
|
||
|
// expo = x369 873 0_0011_0110_1001 24 -(24) 1110_1000
|
||
|
|
||
|
// if p_exp an be more neg then -63 , then this needs to be detected and shAmt forced to a const.
|
||
|
|
||
|
assign ex3_expo_p_sim_p[8:13] = (~ex3_expo[8:13]);
|
||
|
|
||
|
assign ex3_expo_p_sim_g[13] = ex3_expo[13];
|
||
|
assign ex3_expo_p_sim_g[12] = ex3_expo[13] | ex3_expo[12];
|
||
|
assign ex3_expo_p_sim_g[11] = ex3_expo[13] | ex3_expo[12] | ex3_expo[11];
|
||
|
assign ex3_expo_p_sim_g[10] = ex3_expo[13] | ex3_expo[12] | ex3_expo[11] | ex3_expo[10];
|
||
|
assign ex3_expo_p_sim_g[9] = ex3_expo[13] | ex3_expo[12] | ex3_expo[11] | ex3_expo[10] | ex3_expo[9];
|
||
|
|
||
|
assign ex3_expo_p_sim[13] = ex3_expo_p_sim_p[13];
|
||
|
assign ex3_expo_p_sim[12] = ex3_expo_p_sim_p[12] ^ (ex3_expo_p_sim_g[13]);
|
||
|
assign ex3_expo_p_sim[11] = ex3_expo_p_sim_p[11] ^ (ex3_expo_p_sim_g[12]);
|
||
|
assign ex3_expo_p_sim[10] = ex3_expo_p_sim_p[10] ^ (ex3_expo_p_sim_g[11]);
|
||
|
assign ex3_expo_p_sim[9] = ex3_expo_p_sim_p[9] ^ (ex3_expo_p_sim_g[10]);
|
||
|
assign ex3_expo_p_sim[8] = ex3_expo_p_sim_p[8] ^ (ex3_expo_p_sim_g[9]);
|
||
|
|
||
|
assign ex3_expo_sim_p[8:13] = (~ex3_expo_by[8:13]);
|
||
|
|
||
|
assign ex3_expo_sim_g[13] = ex3_expo_by[13];
|
||
|
assign ex3_expo_sim_g[12] = ex3_expo_by[13] | ex3_expo_by[12];
|
||
|
assign ex3_expo_sim_g[11] = ex3_expo_by[13] | ex3_expo_by[12] | ex3_expo_by[11];
|
||
|
assign ex3_expo_sim_g[10] = ex3_expo_by[13] | ex3_expo_by[12] | ex3_expo_by[11] | ex3_expo_by[10];
|
||
|
assign ex3_expo_sim_g[9] = ex3_expo_by[13] | ex3_expo_by[12] | ex3_expo_by[11] | ex3_expo_by[10] | ex3_expo_by[9];
|
||
|
|
||
|
assign ex3_expo_sim[13] = ex3_expo_sim_p[13];
|
||
|
assign ex3_expo_sim[12] = ex3_expo_sim_p[12] ^ (ex3_expo_sim_g[13]);
|
||
|
assign ex3_expo_sim[11] = ex3_expo_sim_p[11] ^ (ex3_expo_sim_g[12]);
|
||
|
assign ex3_expo_sim[10] = ex3_expo_sim_p[10] ^ (ex3_expo_sim_g[11]);
|
||
|
assign ex3_expo_sim[9] = ex3_expo_sim_p[9] ^ (ex3_expo_sim_g[10]);
|
||
|
assign ex3_expo_sim[8] = ex3_expo_sim_p[8] ^ (ex3_expo_sim_g[9]);
|
||
|
|
||
|
// testing a new (simpler) version -------------
|
||
|
// could include these in lzo dis
|
||
|
// could include these in lzo_dis
|
||
|
assign ex3_lzo_forbyp_0 = (f_pic_ex3_est_recip) | (f_pic_ex3_est_rsqrt) | (f_alg_ex3_byp_nonflip & (~f_pic_ex3_prenorm)) | ((~f_fmt_ex3_pass_msb_dp) & (~f_pic_ex3_lzo_dis_prod)) | ((ex3_expo_neg_dp_by | ex3_dp_001_by) & ex3_lzo_cont_dp) | ((ex3_expo_neg_sp_by | ex3_sp_001_by) & ex3_lzo_cont_sp); // allow norm to decr MSB then renormalize
|
||
|
|
||
|
assign ex3_lzo_nonbyp_0 = (ex3_lzo_dcd_0) | (ex3_expo_neg_dp & ex3_lzo_cont_dp) | (ex3_expo_neg_sp & ex3_lzo_cont_sp) | (f_pic_ex3_est_recip) | (f_pic_ex3_est_rsqrt);
|
||
|
|
||
|
assign ex3_sh_rgt_amt[0] = ex3_sh_rgt_en; // huge shift right should give "0"
|
||
|
assign ex3_sh_rgt_amt[1] = ex3_sh_rgt_en; // huge shift right should give "0"
|
||
|
assign ex3_sh_rgt_amt[2] = (ex3_sh_rgt_en_p & ex3_expo_p_sim[8]) | (ex3_sh_rgt_en_by & ex3_expo_sim[8]);
|
||
|
assign ex3_sh_rgt_amt[3] = (ex3_sh_rgt_en_p & ex3_expo_p_sim[9]) | (ex3_sh_rgt_en_by & ex3_expo_sim[9]);
|
||
|
assign ex3_sh_rgt_amt[4] = (ex3_sh_rgt_en_p & ex3_expo_p_sim[10]) | (ex3_sh_rgt_en_by & ex3_expo_sim[10]);
|
||
|
assign ex3_sh_rgt_amt[5] = (ex3_sh_rgt_en_p & ex3_expo_p_sim[11]) | (ex3_sh_rgt_en_by & ex3_expo_sim[11]);
|
||
|
assign ex3_sh_rgt_amt[6] = (ex3_sh_rgt_en_p & ex3_expo_p_sim[12]) | (ex3_sh_rgt_en_by & ex3_expo_sim[12]);
|
||
|
assign ex3_sh_rgt_amt[7] = (ex3_sh_rgt_en_p & ex3_expo_p_sim[13]) | (ex3_sh_rgt_en_by & ex3_expo_sim[13]);
|
||
|
|
||
|
// bit_to_set |------ b_expo ----------|
|
||
|
// 0 897 x381 0_0011_1000_0001 <== all normal SP numbers go here
|
||
|
// 1 896 x380 0_0011_1000_0000
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||
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// 2 895 x37f 0_0011_0111_1111
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||
|
// 3 894 x37e 0_0011_0111_1110
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||
|
// 4 893 x37d 0_0011_0111_1101
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||
|
// 5 892 x37c 0_0011_0111_1100
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||
|
// 6 891 x37b 0_0011_0111_1011
|
||
|
// 7 890 x37a 0_0011_0111_1010
|
||
|
// 8 889 x379 0_0011_0111_1001
|
||
|
// 9 888 x378 0_0011_0111_1000
|
||
|
// 10 887 x377 0_0011_0111_0111
|
||
|
// 11 886 x376 0_0011_0111_0110
|
||
|
// 12 885 x375 0_0011_0111_0101
|
||
|
// 13 884 x374 0_0011_0111_0100 expo = (884 +26 -13) = 884 + 13 = 897
|
||
|
// 14 883 x373 0_0011_0111_0011
|
||
|
// 15 882 x372 0_0011_0111_0010
|
||
|
// 16 881 x371 0_0011_0111_0001
|
||
|
// 17 880 x370 0_0011_0111_0000
|
||
|
// 18 879 x36f 0_0011_0011_1111
|
||
|
// 19 878 x36e 0_0011_0011_1110
|
||
|
// 20 877 x36d 0_0011_0011_1101
|
||
|
// 21 876 x36c 0_0011_0011_1100
|
||
|
// 22 875 x36b 0_0011_0011_1011
|
||
|
// 23 874 x36a 0_0011_0011_1010
|
||
|
// -----------------------------------------
|
||
|
// 24 873 x369 0_0011_0011_1001 <=== if this or smaller do nothing (special case sp invalid)
|
||
|
//
|
||
|
|
||
|
//-=###############################################################
|
||
|
//-=## ex4 latches
|
||
|
//-=###############################################################
|
||
|
|
||
|
|
||
|
tri_rlmreg_p #(.WIDTH(9), .NEEDS_SRESET(0)) ex4_shr_lat(
|
||
|
.force_t(force_t), // tidn,
|
||
|
.d_mode(tiup),
|
||
|
.delay_lclkr(delay_lclkr[3]), // tidn,
|
||
|
.mpw1_b(mpw1_b[3]), // tidn,
|
||
|
.mpw2_b(mpw2_b[0]), // tidn,
|
||
|
.vd(vdd),
|
||
|
.gd(gnd),
|
||
|
.nclk(nclk),
|
||
|
.act(ex3_act),
|
||
|
.thold_b(thold_0_b),
|
||
|
.sg(sg_0),
|
||
|
.scout(ex4_shr_so),
|
||
|
.scin(ex4_shr_si),
|
||
|
//-----------------
|
||
|
.din({ex3_sh_rgt_amt[0:7],
|
||
|
ex3_sh_rgt_en}),
|
||
|
//-----------------
|
||
|
.dout({ex4_sh_rgt_amt[0:7],
|
||
|
ex4_sh_rgt_en})
|
||
|
);
|
||
|
|
||
|
assign f_lze_ex4_sh_rgt_amt[0:7] = ex4_sh_rgt_amt[0:7]; //OUTPUT--
|
||
|
assign f_lze_ex4_sh_rgt_en = ex4_sh_rgt_en; //OUTPUT--
|
||
|
|
||
|
//-=###############################################################
|
||
|
//-= scan string
|
||
|
//-=###############################################################
|
||
|
|
||
|
assign ex4_shr_si[0:8] = {ex4_shr_so[1:8], f_lze_si};
|
||
|
assign act_si[0:4] = {act_so[1:4], ex4_shr_so[0]};
|
||
|
|
||
|
assign f_lze_so = act_so[0];
|
||
|
|
||
|
endmodule
|