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Valid to have attribute starting with SB_CARRY.

This commit is contained in:
Miodrag Milanovic 2020-01-04 19:00:44 +01:00
parent f8d5920a7e
commit c5d28f5d6b
1 changed files with 2 additions and 0 deletions
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2
techlibs/ice40/ice40_opt.cc
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@ -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);