mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-04-24 01:25:33 +00:00
Code Activity

Further cleanup based on @daveshah1

Browse source
This commit is contained in:
Eddie Hung 2019-06-14 12:25:06 -07:00
parent 97d2656375
commit a48b5bfaa5
4 changed files with 47 additions and 47 deletions
Download patch file Download diff file Expand all files Collapse all files

48
backends/aiger/xaiger.cc
View file

@ -25,6 +25,20 @@
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
inline int32_t to_big_endian(int32_t i32) {
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#ifdef _WIN32
return _byteswap_ulong(i32);
#else
return __builtin_bswap32(i32);
#endif
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
return i32;
#else
#error "Unknown endianness"
#endif
}
void aiger_encode(std::ostream &f, int x)
{
log_assert(x >= 0);
@ -684,12 +698,7 @@ struct XAigerWriter
if (!box_list.empty() || !ff_bits.empty()) {
auto write_buffer = [](std::stringstream &buffer, int i32) {
// TODO: Don't assume we're on little endian
#ifdef _WIN32
int32_t i32_be = _byteswap_ulong(i32);
#else
int32_t i32_be = __builtin_bswap32(i32);
#endif
int32_t i32_be = to_big_endian(i32);
buffer.write(reinterpret_cast<const char*>(&i32_be), sizeof(i32_be));
};
@ -773,12 +782,7 @@ struct XAigerWriter
f << "h";
std::string buffer_str = h_buffer.str();
// TODO: Don't assume we're on little endian
#ifdef _WIN32
int buffer_size_be = _byteswap_ulong(buffer_str.size());
#else
int buffer_size_be = __builtin_bswap32(buffer_str.size());
#endif
int32_t buffer_size_be = to_big_endian(buffer_str.size());
f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
f.write(buffer_str.data(), buffer_str.size());
@ -787,18 +791,13 @@ struct XAigerWriter
auto write_r_buffer = std::bind(write_buffer, std::ref(r_buffer), std::placeholders::_1);
log_debug("flopNum = %zu\n", ff_bits.size());
write_r_buffer(ff_bits.size());
int mergeability_class = 1;
for (auto cell : ff_bits)
write_r_buffer(mergeability_class++);
//int mergeability_class = 1;
//for (auto cell : ff_bits)
// write_r_buffer(mergeability_class++);
f << "r";
std::string buffer_str = r_buffer.str();
// TODO: Don't assume we're on little endian
#ifdef _WIN32
int buffer_size_be = _byteswap_ulong(buffer_str.size());
#else
int buffer_size_be = __builtin_bswap32(buffer_str.size());
#endif
int32_t buffer_size_be = to_big_endian(buffer_str.size());
f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
f.write(buffer_str.data(), buffer_str.size());
}
@ -831,12 +830,7 @@ struct XAigerWriter
f << "a";
std::string buffer_str = a_buffer.str();
// TODO: Don't assume we're on little endian
#ifdef _WIN32
int buffer_size_be = _byteswap_ulong(buffer_str.size());
#else
int buffer_size_be = __builtin_bswap32(buffer_str.size());
#endif
int32_t buffer_size_be = to_big_endian(buffer_str.size());
f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be));
f.write(buffer_str.data(), buffer_str.size());
holes_module->design->remove(holes_module);