diff options
Diffstat (limited to 'backends/cxxrtl/cxxrtl.cc')
| -rw-r--r-- | backends/cxxrtl/cxxrtl.cc | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/backends/cxxrtl/cxxrtl.cc b/backends/cxxrtl/cxxrtl.cc index e7711962f..549404184 100644 --- a/backends/cxxrtl/cxxrtl.cc +++ b/backends/cxxrtl/cxxrtl.cc @@ -1943,13 +1943,13 @@ struct CxxrtlWorker { case RTLIL::STa: break; + case RTLIL::STg: + log_cmd_error("Global clock is not supported.\n"); + // Handling of init-type sync rules is delegated to the `proc_init` pass, so we can use the wire // attribute regardless of input. case RTLIL::STi: log_assert(false); - - case RTLIL::STg: - log_cmd_error("Global clock is not supported.\n"); } } @@ -2306,10 +2306,7 @@ struct CxxrtlBackend : public Backend { log(" like -O3, and localize public wires not marked (*keep*) if possible.\n"); log("\n"); log(" -O5\n"); - log(" like -O4, and run `opt_clean -purge` first.\n"); - log("\n"); - log(" -O6\n"); - log(" like -O5, and run `proc; flatten` first.\n"); + log(" like -O4, and run `proc; flatten` first.\n"); log("\n"); } void execute(std::ostream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE @@ -2343,19 +2340,22 @@ struct CxxrtlBackend : public Backend { extra_args(f, filename, args, argidx); switch (opt_level) { - case 6: + case 5: worker.max_opt_level = true; worker.run_proc_flatten = true; - case 5: - worker.run_opt_clean_purge = true; + YS_FALLTHROUGH case 4: worker.localize_public = true; + YS_FALLTHROUGH case 3: worker.elide_public = true; + YS_FALLTHROUGH case 2: worker.localize_internal = true; + YS_FALLTHROUGH case 1: worker.elide_internal = true; + YS_FALLTHROUGH case 0: break; default: |