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Add scl caching to abc_new.

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This commit is contained in:
nella 2026-04-20 13:55:58 +02:00
parent dcebcfcb65
commit b260b6a672
3 changed files with 112 additions and 78 deletions
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19
passes/techmap/abc9_exe.cc
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@ -24,6 +24,7 @@
#include "kernel/register.h"
#include "kernel/log.h"
#include "liberty_cache.h"
#ifndef _WIN32
# include <unistd.h>
@ -181,11 +182,19 @@ void abc9_module(RTLIL::Design *design, std::string script_file, std::string exe
for (std::string dont_use_cell : dont_use_cells) {
dont_use_args += stringf("-X \"%s\" ", dont_use_cell);
}
bool first_lib = true;
for (std::string liberty_file : liberty_files) {
abc9_script += stringf("read_lib %s %s -w \"%s\" ; ", dont_use_args, first_lib ? "" : "-m", liberty_file);
first_lib = false;
std::string merged_scl = convert_liberty_files_to_merged_scl(liberty_files, exe_file);
if (!merged_scl.empty()) {
abc9_script += stringf("read_scl \"%s\" ; ", merged_scl.c_str());
} else {
log_warning("ABC: Merged scl conversion failed, using liberty format\n");
bool first_lib = true;
for (std::string liberty_file : liberty_files) {
abc9_script += stringf("read_lib %s %s -w \"%s\" ; ", dont_use_args, first_lib ? "" : "-m", liberty_file);
first_lib = false;
}
}
if (!constr_file.empty())
abc9_script += stringf("read_constr -v \"%s\"; ", constr_file);
} else if (!genlib_files.empty()) {
@ -211,6 +220,8 @@ void abc9_module(RTLIL::Design *design, std::string script_file, std::string exe
abc9_script += stringf("source %s", script_file);
} else if (!lut_costs.empty() || !lut_file.empty()) {
abc9_script += RTLIL::constpad.at("abc9.script.default").substr(1,std::string::npos);
} else if (!liberty_files.empty() || !genlib_files.empty()) {
abc9_script += RTLIL::constpad.at("abc9.script.default").substr(1,std::string::npos);
} else
log_abort();