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Merge nice gzip refactor

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This commit is contained in:
Akash Levy 2025-03-20 16:47:12 -07:00
commit 95f489beec
23 changed files with 719 additions and 575 deletions
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2
passes/cmds/dft_tag.cc
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@ -883,7 +883,7 @@ struct DftTagWorker {
{
if (sig_a.is_fully_const()) {
auto const_val = sig_a.as_const();
for (auto bit : const_val)
for (State& bit : const_val.bits())
bit = bit == State::S0 ? State::S1 : bit == State::S1 ? State::S0 : bit;
return const_val;
}

46
passes/cmds/stat.cc
View file

@ -23,6 +23,7 @@
#include "kernel/celltypes.h"
#include "passes/techmap/libparse.h"
#include "kernel/cost.h"
#include "kernel/gzip.h"
#include "libs/json11/json11.hpp"
#include "libs/nlohmann_json/json.hpp"
@ -405,49 +406,12 @@ statdata_t hierarchy_worker(std::map<RTLIL::IdString, statdata_t> &mod_stat, RTL
void read_liberty_cellarea(dict<IdString, cell_area_t> &cell_area, string liberty_file)
{
std::istream *f;
std::ifstream *ff = new std::ifstream;
ff->open(liberty_file.c_str(), (liberty_file.substr(liberty_file.size() - 3) == ".gz") ? std::ifstream::binary : std::ifstream::in);
std::istream* f = uncompressed(liberty_file.c_str());
yosys_input_files.insert(liberty_file);
if (ff->fail()) {
delete ff;
ff = nullptr;
}
f = ff;
if (f != NULL) {
// Check for gzip magic
unsigned char magic[3];
int n = 0;
while (n < 3)
{
int c = ff->get();
if (c != EOF) {
magic[n] = (unsigned char) c;
}
n++;
}
if (n == 3 && magic[0] == 0x1f && magic[1] == 0x8b) {
#ifdef YOSYS_ENABLE_ZLIB
// log("Found gzip magic in file `%s', decompressing using zlib.\n", liberty_file.c_str());
if (magic[2] != 8)
log_cmd_error("gzip file `%s' uses unsupported compression type %02x\n",
liberty_file.c_str(), unsigned(magic[2]));
delete ff;
std::stringstream *df = new std::stringstream();
decompress_gzip(liberty_file, *df);
f = df;
#else
log_cmd_error("File `%s' is a gzip file, but Yosys is compiled without zlib.\n", liberty_file.c_str());
#endif
} else {
ff->clear();
ff->seekg(0, std::ios::beg);
}
}
if (f == NULL)
log_cmd_error("Can't open input file `%s' for reading: %s\n", liberty_file.c_str(), strerror(errno));
if (f->fail())
log_cmd_error("Can't open liberty file `%s': %s\n", liberty_file.c_str(), strerror(errno));
LibertyParser libparser(*f);
delete f;
for (auto cell : libparser.ast->children)
{