From c5d28f5d6b20a42e6f3a4b1a4e3be341a352e5e3 Mon Sep 17 00:00:00 2001 From: Miodrag Milanovic Date: Sat, 4 Jan 2020 19:00:44 +0100 Subject: [PATCH] Valid to have attribute starting with SB_CARRY. --- techlibs/ice40/ice40_opt.cc | 2 ++ 1 file changed, 2 insertions(+) diff --git a/techlibs/ice40/ice40_opt.cc b/techlibs/ice40/ice40_opt.cc index 371ceb623..9bee0444b 100644 --- a/techlibs/ice40/ice40_opt.cc +++ b/techlibs/ice40/ice40_opt.cc @@ -128,6 +128,8 @@ static void run_ice40_opts(Module *module) new_attr.insert(std::make_pair(a.first, a.second)); else if (a.first.in(ID(SB_LUT4.name), ID::keep, ID(module_not_derived))) continue; + else if (a.first.begins_with("\\SB_CARRY.\\")) + continue; else log_abort(); cell->attributes = std::move(new_attr); -- 2.30.2