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Diffstat (limited to 'src/systemc/ext/dt/int/sc_uint_base.hh')
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diff --git a/src/systemc/ext/dt/int/sc_uint_base.hh b/src/systemc/ext/dt/int/sc_uint_base.hh new file mode 100644 index 000000000..28a2e8d85 --- /dev/null +++ b/src/systemc/ext/dt/int/sc_uint_base.hh @@ -0,0 +1,1258 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with the + License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied. See the License for the specific language governing + permissions and limitations under the License. + + *****************************************************************************/ + +/***************************************************************************** + + sc_uint_base.h -- An unsigned integer whose length is less than 64 bits. + + Unlike arbitrary precision, arithmetic and bitwise operations + are performed using the native types (hence capped at 64 bits). + The sc_uint integer is useful when the user does not need + arbitrary precision and the performance is superior to + sc_bigint/sc_biguint. + + Original Author: Amit Rao, Synopsys, Inc. + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: Ali Dasdan, Synopsys, Inc. + Description of Modification: - Resolved ambiguity with sc_(un)signed. + - Merged the code for 64- and 32-bit versions + via the constants in sc_nbdefs.h. + - Eliminated redundant file inclusions. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +// $Log: sc_uint_base.h,v $ +// Revision 1.3 2011/08/24 22:05:46 acg +// Torsten Maehne: initialization changes to remove warnings. +// +// Revision 1.2 2011/02/18 20:19:15 acg +// Andy Goodrich: updating Copyright notice. +// +// Revision 1.1.1.1 2006/12/15 20:20:05 acg +// SystemC 2.3 +// +// Revision 1.4 2006/05/08 17:50:02 acg +// Andy Goodrich: Added David Long's declarations for friend operators, +// functions, and methods, to keep the Microsoft compiler happy. +// +// Revision 1.3 2006/01/13 18:49:32 acg +// Added $Log command so that CVS check in comments are reproduced in the +// source. +// + +#ifndef __SYSTEMC_EXT_DT_INT_SC_UINT_BASE_HH__ +#define __SYSTEMC_EXT_DT_INT_SC_UINT_BASE_HH__ + +#include <iostream> + +#include "../fx/scfx_ieee.hh" +#include "../misc/sc_value_base.hh" +#include "../sc_temporary.hh" +#include "sc_length_param.hh" +#include "sc_nbdefs.hh" + +namespace sc_dt +{ + +class sc_concatref; + +// classes defined in this module +class sc_uint_bitref_r; +class sc_uint_bitref; +class sc_uint_subref_r; +class sc_uint_subref; +class sc_uint_base; + +// forward class declarations +class sc_bv_base; +class sc_lv_base; +class sc_int_subref_r; +class sc_signed_subref_r; +class sc_unsigned_subref_r; +class sc_signed; +class sc_unsigned; +class sc_fxval; +class sc_fxval_fast; +class sc_fxnum; +class sc_fxnum_fast; + +} // namespace sc_dt + +// extern template instantiations +namespace sc_core +{ + +extern template class sc_vpool<sc_dt::sc_uint_bitref>; +extern template class sc_vpool<sc_dt::sc_uint_subref>; + +} // namespace sc_core + +namespace sc_dt +{ + +extern const uint_type mask_int[SC_INTWIDTH][SC_INTWIDTH]; + +// friend operator declarations +inline bool operator == (const sc_uint_base &a, const sc_uint_base &b); +inline bool operator != (const sc_uint_base &a, const sc_uint_base &b); +inline bool operator < (const sc_uint_base &a, const sc_uint_base &b); +inline bool operator <= (const sc_uint_base &a, const sc_uint_base &b); +inline bool operator > (const sc_uint_base &a, const sc_uint_base &b); +inline bool operator >= (const sc_uint_base &a, const sc_uint_base &b); + + +// ---------------------------------------------------------------------------- +// CLASS : sc_uint_bitref_r +// +// Proxy class for sc_uint bit selection (r-value only). +// ---------------------------------------------------------------------------- + +class sc_uint_bitref_r : public sc_value_base +{ + friend class sc_uint_base; + friend class sc_uint_signal; + + // constructors + public: + sc_uint_bitref_r(const sc_uint_bitref_r &init) : + sc_value_base(init), m_index(init.m_index), m_obj_p(init.m_obj_p) + {} + + protected: + sc_uint_bitref_r() : sc_value_base(), m_index(0), m_obj_p(0) {} + + // initializer for sc_core::sc_vpool: + void + initialize(const sc_uint_base* obj_p, int index_) + { + m_obj_p = (sc_uint_base *)obj_p; + m_index = index_; + } + + public: + // destructor + virtual ~sc_uint_bitref_r() {} + + // concatenation support + virtual int + concat_length(bool *xz_present_p) const + { + if (xz_present_p) + *xz_present_p = false; + return 1; + } + virtual bool + concat_get_ctrl(sc_digit *dst_p, int low_i) const + { + int bit_mask = 1 << (low_i % BITS_PER_DIGIT); + int word_i = low_i / BITS_PER_DIGIT; + + dst_p[word_i] &= ~bit_mask; + return false; + } + virtual bool + concat_get_data(sc_digit *dst_p, int low_i) const + { + int bit_mask = 1 << (low_i % BITS_PER_DIGIT); + bool result; // True is non-zero. + int word_i = low_i / BITS_PER_DIGIT; + + if (operator uint64()) { + dst_p[word_i] |= bit_mask; + result = true; + } else { + dst_p[word_i] &= ~bit_mask; + result = false; + } + return result; + } + virtual uint64 concat_get_uint64() const { return operator uint64(); } + + // capacity + int length() const { return 1; } + + // implicit conversion to uint64 + operator uint64 () const; + bool operator ! () const; + bool operator ~ () const; + + // explicit conversions + uint64 value() const { return operator uint64 (); } + bool to_bool() const { return operator uint64 (); } + + // other methods + void print(::std::ostream &os=::std::cout) const { os << to_bool(); } + + protected: + int m_index; + sc_uint_base *m_obj_p; + + private: + // Disabled + sc_uint_bitref_r &operator = (const sc_uint_bitref_r &); +}; + +inline ::std::ostream &operator << ( + ::std::ostream &, const sc_uint_bitref_r &); + + +// ---------------------------------------------------------------------------- +// CLASS : sc_uint_bitref +// +// Proxy class for sc_uint bit selection (r-value and l-value). +// ---------------------------------------------------------------------------- + +class sc_uint_bitref : public sc_uint_bitref_r +{ + friend class sc_uint_base; + friend class sc_core::sc_vpool<sc_uint_bitref>; + + // constructors + protected: + sc_uint_bitref() : sc_uint_bitref_r() {} + + public: + sc_uint_bitref(const sc_uint_bitref &init) : sc_uint_bitref_r(init) {} + + public: + // assignment operators + sc_uint_bitref &operator = (const sc_uint_bitref_r &b); + sc_uint_bitref &operator = (const sc_uint_bitref &b); + sc_uint_bitref &operator = (bool b); + + sc_uint_bitref &operator &= (bool b); + sc_uint_bitref &operator |= (bool b); + sc_uint_bitref &operator ^= (bool b); + + // concatenation methods + virtual void concat_set(int64 src, int low_i); + virtual void concat_set(const sc_signed &src, int low_i); + virtual void concat_set(const sc_unsigned &src, int low_i); + virtual void concat_set(uint64 src, int low_i); + + // other methods + void scan(::std::istream &is=::std::cin); + + protected: + static sc_core::sc_vpool<sc_uint_bitref> m_pool; +}; + +inline ::std::istream &operator >> (::std::istream &, sc_uint_bitref &); + + +// ---------------------------------------------------------------------------- +// CLASS : sc_uint_subref_r +// +// Proxy class for sc_uint part selection (r-value only). +// ---------------------------------------------------------------------------- + +class sc_uint_subref_r : public sc_value_base +{ + friend class sc_uint_base; + friend class sc_uint_subref; + + // constructors + public: + sc_uint_subref_r( const sc_uint_subref_r& init ) : + sc_value_base(init), m_left(init.m_left), m_obj_p(init.m_obj_p), + m_right(init.m_right) + {} + + protected: + sc_uint_subref_r() : sc_value_base(), m_left(0), m_obj_p(0), m_right(0) {} + + // initializer for sc_core::sc_vpool: + void + initialize(const sc_uint_base *obj_p, int left_i, int right_i) + { + m_obj_p = (sc_uint_base *)obj_p; + m_left = left_i; + m_right = right_i; + } + + public: + // destructor + virtual ~sc_uint_subref_r() {} + + // capacity + int length() const { return (m_left - m_right + 1); } + + // concatenation support + virtual int + concat_length(bool *xz_present_p) const + { + if (xz_present_p) + *xz_present_p = false; + return length(); + } + virtual bool concat_get_ctrl(sc_digit *dst_p, int low_i) const; + virtual bool concat_get_data(sc_digit *dst_p, int low_i) const; + virtual uint64 + concat_get_uint64() const + { + return (uint64)operator uint_type(); + } + + // reduce methods + bool and_reduce() const; + bool nand_reduce() const { return !and_reduce(); } + bool or_reduce() const; + bool nor_reduce() const { return !or_reduce(); } + bool xor_reduce() const; + bool xnor_reduce() const { return !xor_reduce(); } + + // implicit conversion to uint_type + operator uint_type() const; + + // explicit conversions + uint_type value() const { return operator uint_type(); } + + int to_int() const; + unsigned int to_uint() const; + long to_long() const; + unsigned long to_ulong() const; + int64 to_int64() const; + uint64 to_uint64() const; + double to_double() const; + + // explicit conversion to character string + const std::string to_string(sc_numrep numrep=SC_DEC) const; + const std::string to_string(sc_numrep numrep, bool w_prefix) const; + + // other methods + void + print(::std::ostream &os=::std::cout) const + { + os << to_string(sc_io_base(os, SC_DEC), sc_io_show_base(os)); + } + + protected: + int m_left; + sc_uint_base *m_obj_p; + int m_right; + + private: + // Disabled + sc_uint_subref_r &operator = (const sc_uint_subref_r &); +}; + +inline ::std::ostream &operator << ( + ::std::ostream &, const sc_uint_subref_r &); + + +// ---------------------------------------------------------------------------- +// CLASS : sc_uint_subref +// +// Proxy class for sc_uint part selection (r-value and l-value). +// ---------------------------------------------------------------------------- + +class sc_uint_subref : public sc_uint_subref_r +{ + friend class sc_uint_base; + friend class sc_core::sc_vpool<sc_uint_subref>; + + // constructors + protected: + sc_uint_subref() : sc_uint_subref_r() {} + + public: + sc_uint_subref(const sc_uint_subref &init) : sc_uint_subref_r(init) {} + + public: + // assignment operators + sc_uint_subref &operator = (uint_type v); + sc_uint_subref &operator = (const sc_uint_base &a); + sc_uint_subref & + operator = (const sc_uint_subref_r &a) + { + return operator = (a.operator uint_type()); + } + sc_uint_subref & + operator = (const sc_uint_subref &a) + { + return operator = (a.operator uint_type()); + } + template<class T> + sc_uint_subref & + operator = (const sc_generic_base<T> &a) + { + return operator = (a->to_uint64()); + } + sc_uint_subref &operator = (const char *a); + sc_uint_subref & + operator = (unsigned long a) + { + return operator = ((uint_type)a); + } + sc_uint_subref & + operator = (long a) + { + return operator = ((uint_type)a); + } + sc_uint_subref & + operator = (unsigned int a) + { + return operator = ((uint_type)a); + } + sc_uint_subref & + operator = (int a) + { + return operator = ((uint_type)a); + } + sc_uint_subref & + operator = (int64 a) + { + return operator = ((uint_type)a); + } + sc_uint_subref & + operator = (double a) + { + return operator = ((uint_type)a); + } + sc_uint_subref &operator = (const sc_signed &); + sc_uint_subref &operator = (const sc_unsigned &); + sc_uint_subref &operator = (const sc_bv_base &); + sc_uint_subref &operator = (const sc_lv_base &); + + // concatenation methods + virtual void concat_set(int64 src, int low_i); + virtual void concat_set(const sc_signed &src, int low_i); + virtual void concat_set(const sc_unsigned &src, int low_i); + virtual void concat_set(uint64 src, int low_i); + + // other methods + void scan(::std::istream &is=::std::cin); + + protected: + static sc_core::sc_vpool<sc_uint_subref> m_pool; +}; + +inline ::std::istream &operator >> (::std::istream &, sc_uint_subref &); + + +// ---------------------------------------------------------------------------- +// CLASS : sc_uint_base +// +// Base class for sc_uint. +// ---------------------------------------------------------------------------- + +class sc_uint_base : public sc_value_base +{ + friend class sc_uint_bitref_r; + friend class sc_uint_bitref; + friend class sc_uint_subref_r; + friend class sc_uint_subref; + + // support methods + void invalid_length() const; + void invalid_index(int i) const; + void invalid_range(int l, int r) const; + + void + check_length() const + { + if (m_len <= 0 || m_len > SC_INTWIDTH) { + invalid_length(); + } + } + + void + check_index(int i) const + { + if (i < 0 || i >= m_len) { + invalid_index( i ); + } + } + + void + check_range(int l, int r) const + { + if (r < 0 || l >= m_len || l < r) { + invalid_range( l, r ); + } + } + + void check_value() const; + + void + extend_sign() + { +#ifdef DEBUG_SYSTEMC + check_value(); +#endif + m_val &= (~UINT_ZERO >> m_ulen); + } + + public: + // constructors + explicit sc_uint_base(int w=sc_length_param().len()) : + m_val(0), m_len(w), m_ulen(SC_INTWIDTH - m_len) + { + check_length(); + } + + sc_uint_base(uint_type v, int w) : + m_val(v), m_len(w), m_ulen(SC_INTWIDTH - m_len) + { + check_length(); + extend_sign(); + } + + sc_uint_base(const sc_uint_base &a) : + sc_value_base(a), m_val(a.m_val), m_len(a.m_len), m_ulen(a.m_ulen) + {} + + explicit sc_uint_base(const sc_uint_subref_r &a) : + m_val(a), m_len(a.length()), m_ulen(SC_INTWIDTH - m_len) + { + extend_sign(); + } + + template<class T> + explicit sc_uint_base(const sc_generic_base<T> &a) : + m_val(a->to_uint64()), m_len(a->length()), + m_ulen(SC_INTWIDTH - m_len) + { + check_length(); + extend_sign(); + } + + explicit sc_uint_base(const sc_bv_base &v); + explicit sc_uint_base(const sc_lv_base &v); + explicit sc_uint_base(const sc_int_subref_r &v); + explicit sc_uint_base(const sc_signed_subref_r &v); + explicit sc_uint_base(const sc_unsigned_subref_r &v); + explicit sc_uint_base(const sc_signed &a); + explicit sc_uint_base(const sc_unsigned &a); + + // destructor + virtual ~sc_uint_base() {} + + // assignment operators + sc_uint_base & + operator = (uint_type v) + { + m_val = v; + extend_sign(); + return *this; + } + sc_uint_base & + operator = (const sc_uint_base &a) + { + m_val = a.m_val; + extend_sign(); + return *this; + } + sc_uint_base & + operator = (const sc_uint_subref_r &a) + { + m_val = a; + extend_sign(); + return *this; + } + template<class T> + sc_uint_base & + operator = (const sc_generic_base<T> &a) + { + m_val = a->to_uint64(); + extend_sign(); + return *this; + } + sc_uint_base &operator = (const sc_signed &a); + sc_uint_base &operator = (const sc_unsigned &a); + sc_uint_base &operator = (const sc_fxval &a); + sc_uint_base &operator = (const sc_fxval_fast &a); + sc_uint_base &operator = (const sc_fxnum &a); + sc_uint_base &operator = (const sc_fxnum_fast &a); + sc_uint_base &operator = (const sc_bv_base &a); + sc_uint_base &operator = (const sc_lv_base &a); + sc_uint_base &operator = (const char *a); + sc_uint_base & + operator = (unsigned long a) + { + m_val = a; + extend_sign(); + return *this; + } + sc_uint_base & + operator = (long a) + { + m_val = a; + extend_sign(); + return *this; + } + sc_uint_base & + operator = (unsigned int a) + { + m_val = a; + extend_sign(); + return *this; + } + sc_uint_base & + operator = (int a) + { + m_val = a; + extend_sign(); + return *this; + } + sc_uint_base & + operator = (int64 a) + { + m_val = a; + extend_sign(); + return *this; + } + sc_uint_base & + operator = (double a) + { + m_val = (uint_type)a; + extend_sign(); + return *this; + } + + // arithmetic assignment operators + sc_uint_base & + operator += (uint_type v) + { + m_val += v; + extend_sign(); + return *this; + } + sc_uint_base & + operator -= (uint_type v) + { + m_val -= v; + extend_sign(); + return *this; + } + sc_uint_base & + operator *= (uint_type v) + { + m_val *= v; + extend_sign(); + return *this; + } + sc_uint_base & + operator /= (uint_type v) + { + m_val /= v; + extend_sign(); + return *this; + } + sc_uint_base & + operator %= (uint_type v) + { + m_val %= v; + extend_sign(); + return *this; + } + + // bitwise assignment operators + sc_uint_base & + operator &= (uint_type v) + { + m_val &= v; + extend_sign(); + return *this; + } + sc_uint_base & + operator |= (uint_type v) + { + m_val |= v; + extend_sign(); + return *this; + } + sc_uint_base & + operator ^= (uint_type v) + { + m_val ^= v; + extend_sign(); + return *this; + } + sc_uint_base & + operator <<= (uint_type v) + { + m_val <<= v; + extend_sign(); + return *this; + } + sc_uint_base & + operator >>= (uint_type v) + { + m_val >>= v; + /* no sign extension needed */ + return *this; + } + + // prefix and postfix increment and decrement operators + sc_uint_base & + operator ++ () // prefix + { + ++m_val; + extend_sign(); + return *this; + } + const sc_uint_base + operator ++ (int) // postfix + { + sc_uint_base tmp(*this); + ++m_val; + extend_sign(); + return tmp; + } + + sc_uint_base & + operator -- () // prefix + { + --m_val; + extend_sign(); + return *this; + } + const sc_uint_base + operator -- (int) // postfix + { + sc_uint_base tmp(*this); + --m_val; + extend_sign(); + return tmp; + } + + // relational operators + friend bool + operator == (const sc_uint_base &a, const sc_uint_base &b) + { + return a.m_val == b.m_val; + } + friend bool + operator != (const sc_uint_base &a, const sc_uint_base &b) + { + return a.m_val != b.m_val; + } + friend bool + operator < (const sc_uint_base &a, const sc_uint_base &b) + { + return a.m_val < b.m_val; + } + friend bool + operator <= (const sc_uint_base &a, const sc_uint_base &b) + { + return a.m_val <= b.m_val; + } + friend bool + operator > (const sc_uint_base &a, const sc_uint_base &b) + { + return a.m_val > b.m_val; + } + friend bool + operator >= (const sc_uint_base &a, const sc_uint_base &b) + { + return a.m_val >= b.m_val; + } + + // bit selection + sc_uint_bitref &operator [] (int i); + const sc_uint_bitref_r &operator [] (int i) const; + + sc_uint_bitref &bit(int i); + const sc_uint_bitref_r &bit(int i) const; + + // part selection + sc_uint_subref &operator () (int left, int right); + const sc_uint_subref_r &operator () (int left, int right) const; + + sc_uint_subref &range(int left, int right); + const sc_uint_subref_r &range(int left, int right) const; + + // bit access, without bounds checking or sign extension + bool test(int i) const { return (0 != (m_val & (UINT_ONE << i))); } + + void set(int i) { m_val |= (UINT_ONE << i); } + void + set(int i, bool v) + { + v ? m_val |= (UINT_ONE << i) : m_val &= ~(UINT_ONE << i); + } + + // capacity + int length() const { return m_len; } + + // concatenation support + virtual int + concat_length(bool *xz_present_p) const + { + if (xz_present_p) + *xz_present_p = false; + return length(); + } + virtual bool concat_get_ctrl(sc_digit *dst_p, int low_i) const; + virtual bool concat_get_data( sc_digit *dst_p, int low_i) const; + virtual uint64 concat_get_uint64() const { return m_val; } + virtual void concat_set(int64 src, int low_i); + virtual void concat_set(const sc_signed &src, int low_i); + virtual void concat_set(const sc_unsigned &src, int low_i); + virtual void concat_set(uint64 src, int low_i); + + // reduce methods + bool and_reduce() const; + bool nand_reduce() const { return !and_reduce(); } + bool or_reduce() const; + bool nor_reduce() const { return !or_reduce(); } + bool xor_reduce() const; + bool xnor_reduce() const { return !xor_reduce(); } + + // implicit conversion to uint_type + operator uint_type() const { return m_val; } + + // explicit conversions + uint_type value() const { return operator uint_type(); } + + int to_int() const { return (int) m_val; } + unsigned int to_uint() const { return (unsigned int)m_val; } + long to_long() const { return (long)m_val; } + unsigned long to_ulong() const { return (unsigned long)m_val; } + int64 to_int64() const { return (int64)m_val; } + uint64 to_uint64() const { return (uint64)m_val; } + double to_double() const { return uint64_to_double(m_val); } + + long long_low() const { return (long)(m_val & UINT64_32ONES); } + long long_high() const { return (long)((m_val >> 32) & UINT64_32ONES); } + + // explicit conversion to character string + const std::string to_string(sc_numrep numrep=SC_DEC) const; + const std::string to_string(sc_numrep numrep, bool w_prefix) const; + + // other methods + void + print(::std::ostream &os=::std::cout) const + { + os << to_string(sc_io_base(os, SC_DEC), sc_io_show_base(os)); + } + + void scan(::std::istream &is=::std::cin); + + protected: + uint_type m_val; // value + int m_len; // length + int m_ulen; // unused length +}; + +inline ::std::ostream &operator << (::std::ostream &, const sc_uint_base &); +inline ::std::istream &operator >> (::std::istream &, sc_uint_base &); + + +// ---------------------------------------------------------------------------- +// CLASS : sc_uint_bitref_r +// +// Proxy class for sc_uint bit selection (r-value only). +// ---------------------------------------------------------------------------- + +// implicit conversion to bool + +inline sc_uint_bitref_r::operator uint64 () const +{ + return m_obj_p->test(m_index); +} + +inline bool +sc_uint_bitref_r::operator ! () const +{ + return !m_obj_p->test(m_index); +} + +inline bool +sc_uint_bitref_r::operator ~ () const +{ + return !m_obj_p->test(m_index); +} + +inline ::std::ostream & +operator << (::std::ostream &os, const sc_uint_bitref_r &a) +{ + a.print(os); + return os; +} + + +// ---------------------------------------------------------------------------- +// CLASS : sc_uint_bitref +// +// Proxy class for sc_uint bit selection (r-value and l-value). +// ---------------------------------------------------------------------------- + +// assignment operators + +inline sc_uint_bitref & +sc_uint_bitref::operator = (const sc_uint_bitref_r &b) +{ + m_obj_p->set(m_index, b.to_bool()); + return *this; +} + +inline sc_uint_bitref & +sc_uint_bitref::operator = (const sc_uint_bitref &b) +{ + m_obj_p->set(m_index, b.to_bool()); + return *this; +} + +inline sc_uint_bitref & +sc_uint_bitref::operator = (bool b) +{ + m_obj_p->set(m_index, b); + return *this; +} + +inline sc_uint_bitref & +sc_uint_bitref::operator &= (bool b) +{ + if (!b) { + m_obj_p->set(m_index, b); + } + return *this; +} + +inline sc_uint_bitref & +sc_uint_bitref::operator |= (bool b) +{ + if (b) { + m_obj_p->set(m_index, b); + } + return *this; +} + +inline sc_uint_bitref & +sc_uint_bitref::operator ^= (bool b) +{ + if (b) { + m_obj_p->m_val ^= (UINT_ONE << m_index); + } + return *this; +} + +inline ::std::istream & +operator >> (::std::istream &is, sc_uint_bitref &a) +{ + a.scan(is); + return is; +} + + +// ---------------------------------------------------------------------------- +// CLASS : sc_uint_subref_r +// +// Proxy class for sc_uint part selection (r-value only). +// ---------------------------------------------------------------------------- + +// implicit conversion to uint_type + +inline sc_uint_subref_r::operator uint_type() const +{ + uint_type val = m_obj_p->m_val; + int uleft = SC_INTWIDTH - (m_left + 1); + return ((val & (~UINT_ZERO >> uleft)) >> m_right); +} + + +// reduce methods +inline bool +sc_uint_subref_r::and_reduce() const +{ + sc_uint_base a(*this); + return a.and_reduce(); +} +inline bool +sc_uint_subref_r::or_reduce() const +{ + sc_uint_base a(*this); + return a.or_reduce(); +} +inline bool +sc_uint_subref_r::xor_reduce() const +{ + sc_uint_base a(*this); + return a.xor_reduce(); +} + +// explicit conversions +inline int +sc_uint_subref_r::to_int() const +{ + sc_uint_base a(*this); + return a.to_int(); +} +inline unsigned int +sc_uint_subref_r::to_uint() const +{ + sc_uint_base a(*this); + return a.to_uint(); +} +inline long +sc_uint_subref_r::to_long() const +{ + sc_uint_base a(*this); + return a.to_long(); +} +inline unsigned long +sc_uint_subref_r::to_ulong() const +{ + sc_uint_base a(*this); + return a.to_ulong(); +} +inline int64 +sc_uint_subref_r::to_int64() const +{ + sc_uint_base a(*this); + return a.to_int64(); +} +inline uint64 +sc_uint_subref_r::to_uint64() const +{ + sc_uint_base a(*this); + return a.to_uint64(); +} +inline double +sc_uint_subref_r::to_double() const +{ + sc_uint_base a(*this); + return a.to_double(); +} + +// explicit conversion to character string +inline const std::string +sc_uint_subref_r::to_string(sc_numrep numrep) const +{ + sc_uint_base a(*this); + return a.to_string(numrep); +} + +inline const std::string +sc_uint_subref_r::to_string(sc_numrep numrep, bool w_prefix) const +{ + sc_uint_base a(*this); + return a.to_string(numrep, w_prefix); +} + +// functional notation for the reduce methods +inline bool +and_reduce(const sc_uint_subref_r &a) +{ + return a.and_reduce(); +} +inline bool +nand_reduce(const sc_uint_subref_r &a) +{ + return a.nand_reduce(); +} +inline bool +or_reduce(const sc_uint_subref_r &a) +{ + return a.or_reduce(); +} +inline bool +nor_reduce(const sc_uint_subref_r &a) +{ + return a.nor_reduce(); +} +inline bool +xor_reduce(const sc_uint_subref_r &a) +{ + return a.xor_reduce(); +} +inline bool +xnor_reduce(const sc_uint_subref_r &a) +{ + return a.xnor_reduce(); +} + +inline ::std::ostream & +operator << (::std::ostream &os, const sc_uint_subref_r &a) +{ + a.print(os); + return os; +} + + +// ---------------------------------------------------------------------------- +// CLASS : sc_uint_subref +// +// Proxy class for sc_uint part selection (r-value and l-value). +// ---------------------------------------------------------------------------- + +// assignment operators + +inline sc_uint_subref & +sc_uint_subref::operator = (const sc_uint_base &a) +{ + return operator = (a.operator uint_type()); +} + +inline sc_uint_subref & +sc_uint_subref::operator = (const char *a) +{ + sc_uint_base aa(length()); + return (*this = aa = a); +} + +inline ::std::istream & +operator >> (::std::istream &is, sc_uint_subref &a) +{ + a.scan(is); + return is; +} + + +// ---------------------------------------------------------------------------- +// CLASS : sc_uint_base +// +// Base class for sc_uint. +// ---------------------------------------------------------------------------- + +// bit selection +inline sc_uint_bitref & +sc_uint_base::operator [] (int i) +{ + check_index(i); + sc_uint_bitref *result_p = sc_uint_bitref::m_pool.allocate(); + result_p->initialize(this, i); + return *result_p; +} + +inline const sc_uint_bitref_r & +sc_uint_base::operator [] (int i) const +{ + check_index(i); + sc_uint_bitref *result_p = sc_uint_bitref::m_pool.allocate(); + result_p->initialize(this, i); + return *result_p; +} + +inline sc_uint_bitref & +sc_uint_base::bit(int i) +{ + check_index(i); + sc_uint_bitref *result_p = sc_uint_bitref::m_pool.allocate(); + result_p->initialize(this, i); + return *result_p; +} + +inline const sc_uint_bitref_r & +sc_uint_base::bit(int i) const +{ + check_index(i); + sc_uint_bitref *result_p = sc_uint_bitref::m_pool.allocate(); + result_p->initialize(this, i); + return *result_p; +} + +// part selection +inline sc_uint_subref & +sc_uint_base::operator () (int left, int right) +{ + check_range(left, right); + sc_uint_subref *result_p = sc_uint_subref::m_pool.allocate(); + result_p->initialize(this, left, right); + return *result_p; +} + +inline const sc_uint_subref_r & +sc_uint_base::operator () (int left, int right) const +{ + check_range(left, right); + sc_uint_subref *result_p = sc_uint_subref::m_pool.allocate(); + result_p->initialize(this, left, right); + return *result_p; +} + +inline sc_uint_subref & +sc_uint_base::range(int left, int right) +{ + check_range(left, right); + sc_uint_subref *result_p = sc_uint_subref::m_pool.allocate(); + result_p->initialize(this, left, right); + return *result_p; +} + +inline const sc_uint_subref_r & +sc_uint_base::range(int left, int right) const +{ + check_range(left, right); + sc_uint_subref *result_p = sc_uint_subref::m_pool.allocate(); + result_p->initialize(this, left, right); + return *result_p; +} + +// functional notation for the reduce methods +inline bool +and_reduce(const sc_uint_base &a) +{ + return a.and_reduce(); +} +inline bool +nand_reduce(const sc_uint_base &a) +{ + return a.nand_reduce(); +} +inline bool +or_reduce(const sc_uint_base &a) +{ + return a.or_reduce(); +} +inline bool +nor_reduce(const sc_uint_base &a) +{ + return a.nor_reduce(); +} +inline bool +xor_reduce(const sc_uint_base &a) +{ + return a.xor_reduce(); +} +inline bool +xnor_reduce(const sc_uint_base &a) +{ + return a.xnor_reduce(); +} + +inline ::std::ostream & +operator << (::std::ostream &os, const sc_uint_base &a) +{ + a.print(os); + return os; +} + +inline ::std::istream & +operator >> (::std::istream &is, sc_uint_base &a) +{ + a.scan(is); + return is; +} + +} // namespace sc_dt + +#endif // __SYSTEMC_EXT_DT_INT_SC_UINT_BASE_HH__ |