60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/*
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* Copyright (c) 2005-2016 Stephen Williams <steve@icarus.com>
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include "vvp_net.h"
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# include "compile.h"
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# include <cstring>
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# include <iostream>
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# include <cassert>
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vvp_fun_extend_signed::vvp_fun_extend_signed(unsigned wid)
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: width_(wid)
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{
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}
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vvp_fun_extend_signed::~vvp_fun_extend_signed()
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{
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}
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void vvp_fun_extend_signed::recv_vec4(vvp_net_ptr_t port, const vvp_vector4_t&bit,
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vvp_context_t)
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{
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if (bit.size() >= width_) {
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port.ptr()->send_vec4(bit, 0);
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return;
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}
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vvp_vector4_t res (width_);
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for (unsigned idx = 0 ; idx < bit.size() ; idx += 1)
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res.set_bit(idx, bit.value(idx));
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vvp_bit4_t pad = bit.size() > 0? bit.value(bit.size()-1) : BIT4_0;
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for (unsigned idx = bit.size() ; idx < res.size() ; idx += 1)
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res.set_bit(idx, pad);
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port.ptr()->send_vec4(res, 0);
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}
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void vvp_fun_extend_signed::recv_vec4_pv(vvp_net_ptr_t ptr, const vvp_vector4_t&bit,
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unsigned base, unsigned vwid, vvp_context_t ctx)
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{
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recv_vec4_pv_(ptr, bit, base, vwid, ctx);
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}
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