mirror of
https://github.com/YosysHQ/yosys
synced 2025-10-31 03:32:29 +00:00
cxxrtl: move a definition around. NFC
This commit is contained in:
Catherine
parent
6282c1f27d
commit
08d7f54726
1 changed files with 128 additions and 128 deletions
|
|
@ -764,134 +764,6 @@ std::ostream &operator<<(std::ostream &os, const value<Bits> &val) {
|
|||
return os;
|
||||
}
|
||||
|
||||
// Must be kept in sync with `struct FmtPart` in kernel/fmt.h!
|
||||
// Default member initializers would make this a non-aggregate-type in C++11, so they are commented out.
|
||||
struct fmt_part {
|
||||
enum {
|
||||
STRING = 0,
|
||||
INTEGER = 1,
|
||||
CHARACTER = 2,
|
||||
TIME = 3,
|
||||
} type;
|
||||
|
||||
// STRING type
|
||||
std::string str;
|
||||
|
||||
// INTEGER/CHARACTER types
|
||||
// + value<Bits> val;
|
||||
|
||||
// INTEGER/CHARACTER/TIME types
|
||||
enum {
|
||||
RIGHT = 0,
|
||||
LEFT = 1,
|
||||
} justify; // = RIGHT;
|
||||
char padding; // = '\0';
|
||||
size_t width; // = 0;
|
||||
|
||||
// INTEGER type
|
||||
unsigned base; // = 10;
|
||||
bool signed_; // = false;
|
||||
bool plus; // = false;
|
||||
|
||||
// TIME type
|
||||
bool realtime; // = false;
|
||||
// + int64_t itime;
|
||||
// + double ftime;
|
||||
|
||||
// Format the part as a string.
|
||||
//
|
||||
// The values of `itime` and `ftime` are used for `$time` and `$realtime`, correspondingly.
|
||||
template<size_t Bits>
|
||||
std::string render(value<Bits> val, int64_t itime, double ftime)
|
||||
{
|
||||
// We might want to replace some of these bit() calls with direct
|
||||
// chunk access if it turns out to be slow enough to matter.
|
||||
std::string buf;
|
||||
switch (type) {
|
||||
case STRING:
|
||||
return str;
|
||||
|
||||
case CHARACTER: {
|
||||
buf.reserve(Bits/8);
|
||||
for (int i = 0; i < Bits; i += 8) {
|
||||
char ch = 0;
|
||||
for (int j = 0; j < 8 && i + j < int(Bits); j++)
|
||||
if (val.bit(i + j))
|
||||
ch |= 1 << j;
|
||||
if (ch != 0)
|
||||
buf.append({ch});
|
||||
}
|
||||
std::reverse(buf.begin(), buf.end());
|
||||
break;
|
||||
}
|
||||
|
||||
case INTEGER: {
|
||||
size_t width = Bits;
|
||||
if (base != 10) {
|
||||
width = 0;
|
||||
for (size_t index = 0; index < Bits; index++)
|
||||
if (val.bit(index))
|
||||
width = index + 1;
|
||||
}
|
||||
|
||||
if (base == 2) {
|
||||
for (size_t i = width; i > 0; i--)
|
||||
buf += (val.bit(i - 1) ? '1' : '0');
|
||||
} else if (base == 8 || base == 16) {
|
||||
size_t step = (base == 16) ? 4 : 3;
|
||||
for (size_t index = 0; index < width; index += step) {
|
||||
uint8_t value = val.bit(index) | (val.bit(index + 1) << 1) | (val.bit(index + 2) << 2);
|
||||
if (step == 4)
|
||||
value |= val.bit(index + 3) << 3;
|
||||
buf += "0123456789abcdef"[value];
|
||||
}
|
||||
std::reverse(buf.begin(), buf.end());
|
||||
} else if (base == 10) {
|
||||
bool negative = signed_ && val.is_neg();
|
||||
if (negative)
|
||||
val = val.neg();
|
||||
if (val.is_zero())
|
||||
buf += '0';
|
||||
value<(Bits > 4 ? Bits : 4)> xval = val.template zext<(Bits > 4 ? Bits : 4)>();
|
||||
while (!xval.is_zero()) {
|
||||
value<(Bits > 4 ? Bits : 4)> quotient, remainder;
|
||||
if (Bits >= 4)
|
||||
std::tie(quotient, remainder) = xval.udivmod(value<(Bits > 4 ? Bits : 4)>{10u});
|
||||
else
|
||||
std::tie(quotient, remainder) = std::make_pair(value<(Bits > 4 ? Bits : 4)>{0u}, xval);
|
||||
buf += '0' + remainder.template trunc<4>().template get<uint8_t>();
|
||||
xval = quotient;
|
||||
}
|
||||
if (negative || plus)
|
||||
buf += negative ? '-' : '+';
|
||||
std::reverse(buf.begin(), buf.end());
|
||||
} else assert(false && "Unsupported base for fmt_part");
|
||||
break;
|
||||
}
|
||||
|
||||
case TIME: {
|
||||
buf = realtime ? std::to_string(ftime) : std::to_string(itime);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
std::string str;
|
||||
assert(width == 0 || padding != '\0');
|
||||
if (justify == RIGHT && buf.size() < width) {
|
||||
size_t pad_width = width - buf.size();
|
||||
if (padding == '0' && (buf.front() == '+' || buf.front() == '-')) {
|
||||
str += buf.front();
|
||||
buf.erase(0, 1);
|
||||
}
|
||||
str += std::string(pad_width, padding);
|
||||
}
|
||||
str += buf;
|
||||
if (justify == LEFT && buf.size() < width)
|
||||
str += std::string(width - buf.size(), padding);
|
||||
return str;
|
||||
}
|
||||
};
|
||||
|
||||
template<size_t Bits>
|
||||
struct wire {
|
||||
static constexpr size_t bits = Bits;
|
||||
|
|
@ -1100,6 +972,134 @@ struct observer {
|
|||
void on_update(size_t chunks, const chunk_t *base, const chunk_t *value, size_t index) {}
|
||||
};
|
||||
|
||||
// Must be kept in sync with `struct FmtPart` in kernel/fmt.h!
|
||||
// Default member initializers would make this a non-aggregate-type in C++11, so they are commented out.
|
||||
struct fmt_part {
|
||||
enum {
|
||||
STRING = 0,
|
||||
INTEGER = 1,
|
||||
CHARACTER = 2,
|
||||
TIME = 3,
|
||||
} type;
|
||||
|
||||
// STRING type
|
||||
std::string str;
|
||||
|
||||
// INTEGER/CHARACTER types
|
||||
// + value<Bits> val;
|
||||
|
||||
// INTEGER/CHARACTER/TIME types
|
||||
enum {
|
||||
RIGHT = 0,
|
||||
LEFT = 1,
|
||||
} justify; // = RIGHT;
|
||||
char padding; // = '\0';
|
||||
size_t width; // = 0;
|
||||
|
||||
// INTEGER type
|
||||
unsigned base; // = 10;
|
||||
bool signed_; // = false;
|
||||
bool plus; // = false;
|
||||
|
||||
// TIME type
|
||||
bool realtime; // = false;
|
||||
// + int64_t itime;
|
||||
// + double ftime;
|
||||
|
||||
// Format the part as a string.
|
||||
//
|
||||
// The values of `itime` and `ftime` are used for `$time` and `$realtime`, correspondingly.
|
||||
template<size_t Bits>
|
||||
std::string render(value<Bits> val, int64_t itime, double ftime)
|
||||
{
|
||||
// We might want to replace some of these bit() calls with direct
|
||||
// chunk access if it turns out to be slow enough to matter.
|
||||
std::string buf;
|
||||
switch (type) {
|
||||
case STRING:
|
||||
return str;
|
||||
|
||||
case CHARACTER: {
|
||||
buf.reserve(Bits/8);
|
||||
for (int i = 0; i < Bits; i += 8) {
|
||||
char ch = 0;
|
||||
for (int j = 0; j < 8 && i + j < int(Bits); j++)
|
||||
if (val.bit(i + j))
|
||||
ch |= 1 << j;
|
||||
if (ch != 0)
|
||||
buf.append({ch});
|
||||
}
|
||||
std::reverse(buf.begin(), buf.end());
|
||||
break;
|
||||
}
|
||||
|
||||
case INTEGER: {
|
||||
size_t width = Bits;
|
||||
if (base != 10) {
|
||||
width = 0;
|
||||
for (size_t index = 0; index < Bits; index++)
|
||||
if (val.bit(index))
|
||||
width = index + 1;
|
||||
}
|
||||
|
||||
if (base == 2) {
|
||||
for (size_t i = width; i > 0; i--)
|
||||
buf += (val.bit(i - 1) ? '1' : '0');
|
||||
} else if (base == 8 || base == 16) {
|
||||
size_t step = (base == 16) ? 4 : 3;
|
||||
for (size_t index = 0; index < width; index += step) {
|
||||
uint8_t value = val.bit(index) | (val.bit(index + 1) << 1) | (val.bit(index + 2) << 2);
|
||||
if (step == 4)
|
||||
value |= val.bit(index + 3) << 3;
|
||||
buf += "0123456789abcdef"[value];
|
||||
}
|
||||
std::reverse(buf.begin(), buf.end());
|
||||
} else if (base == 10) {
|
||||
bool negative = signed_ && val.is_neg();
|
||||
if (negative)
|
||||
val = val.neg();
|
||||
if (val.is_zero())
|
||||
buf += '0';
|
||||
value<(Bits > 4 ? Bits : 4)> xval = val.template zext<(Bits > 4 ? Bits : 4)>();
|
||||
while (!xval.is_zero()) {
|
||||
value<(Bits > 4 ? Bits : 4)> quotient, remainder;
|
||||
if (Bits >= 4)
|
||||
std::tie(quotient, remainder) = xval.udivmod(value<(Bits > 4 ? Bits : 4)>{10u});
|
||||
else
|
||||
std::tie(quotient, remainder) = std::make_pair(value<(Bits > 4 ? Bits : 4)>{0u}, xval);
|
||||
buf += '0' + remainder.template trunc<4>().template get<uint8_t>();
|
||||
xval = quotient;
|
||||
}
|
||||
if (negative || plus)
|
||||
buf += negative ? '-' : '+';
|
||||
std::reverse(buf.begin(), buf.end());
|
||||
} else assert(false && "Unsupported base for fmt_part");
|
||||
break;
|
||||
}
|
||||
|
||||
case TIME: {
|
||||
buf = realtime ? std::to_string(ftime) : std::to_string(itime);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
std::string str;
|
||||
assert(width == 0 || padding != '\0');
|
||||
if (justify == RIGHT && buf.size() < width) {
|
||||
size_t pad_width = width - buf.size();
|
||||
if (padding == '0' && (buf.front() == '+' || buf.front() == '-')) {
|
||||
str += buf.front();
|
||||
buf.erase(0, 1);
|
||||
}
|
||||
str += std::string(pad_width, padding);
|
||||
}
|
||||
str += buf;
|
||||
if (justify == LEFT && buf.size() < width)
|
||||
str += std::string(width - buf.size(), padding);
|
||||
return str;
|
||||
}
|
||||
};
|
||||
|
||||
// Tag class to disambiguate values/wires and their aliases.
|
||||
struct debug_alias {};
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue