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