diff options
Diffstat (limited to 'techlibs/ice40/ice40_ffssr.cc')
| -rw-r--r-- | techlibs/ice40/ice40_ffssr.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/techlibs/ice40/ice40_ffssr.cc b/techlibs/ice40/ice40_ffssr.cc index 9afbc0fce..a7649d7a0 100644 --- a/techlibs/ice40/ice40_ffssr.cc +++ b/techlibs/ice40/ice40_ffssr.cc @@ -25,7 +25,7 @@ PRIVATE_NAMESPACE_BEGIN struct Ice40FfssrPass : public Pass { Ice40FfssrPass() : Pass("ice40_ffssr", "iCE40: merge synchronous set/reset into FF cells") { } - virtual void help() + void help() YS_OVERRIDE { log("\n"); log(" ice40_ffssr [options] [selection]\n"); @@ -33,7 +33,7 @@ struct Ice40FfssrPass : public Pass { log("Merge synchronous set/reset $_MUX_ cells into iCE40 FFs.\n"); log("\n"); } - virtual void execute(std::vector<std::string> args, RTLIL::Design *design) + void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE { log_header(design, "Executing ICE40_FFSSR pass (merge synchronous set/reset into FF cells).\n"); @@ -81,6 +81,9 @@ struct Ice40FfssrPass : public Pass { for (auto cell : ff_cells) { + if (cell->get_bool_attribute("\\dont_touch")) + continue; + SigSpec sig_d = cell->getPort("\\D"); if (GetSize(sig_d) < 1) |