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driver: add --hash-seed

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This commit is contained in:
Emil J. Tywoniak 2024-10-01 16:02:41 +02:00
parent 68e40d8563
commit e6f6c7d690
3 changed files with 16 additions and 1 deletions
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7
kernel/driver.cc
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@ -18,6 +18,7 @@
*/
#include "kernel/yosys.h"
#include "kernel/hashlib.h"
#include "libs/sha1/sha1.h"
#include "libs/cxxopts/include/cxxopts.hpp"
#include <iostream>
@ -269,6 +270,8 @@ int main(int argc, char **argv)
options.add_options("developer")
("X,trace", "enable tracing of core data structure changes. for debugging")
("M,randomize-pointers", "will slightly randomize allocated pointer addresses. for debugging")
("hash-seed", "mix up hashing values with <seed>, for extreme optimization and testing",
cxxopts::value<int>(), "<seed>")
("A,abort", "will call abort() at the end of the script. for debugging")
("x,experimental", "do not print warnings for the experimental <feature>",
cxxopts::value<std::vector<std::string>>(), "<feature>")
@ -415,6 +418,10 @@ int main(int argc, char **argv)
if (result.count("infile")) {
frontend_files = result["infile"].as<std::vector<std::string>>();
}
if (result.count("hash-seed")) {
int seed = result["hash-seed"].as<int>();
Hasher::set_fudge(seed);
}
if (log_errfile == NULL) {
log_files.push_back(stdout);