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authorEddie Hung <eddie@fpgeh.com>2020-01-08 18:30:20 -0800
committerEddie Hung <eddie@fpgeh.com>2020-01-08 18:30:20 -0800
commit57f6826e29752d77fb1a9052b4d9bbc0e2450dd8 (patch)
tree31e5790bb6ac012d89364ce200f34e362586c8ac /techlibs/ice40/ice40_opt.cc
parent020606f81c39df234d7a3f5e3e605e5f27422d87 (diff)
parent8a47e6ddfdb49ec172f783621a64b3a8906ff5d6 (diff)
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Merge remote-tracking branch 'origin/eddie/abc9_refactor' into eddie/abc9_required
Diffstat (limited to 'techlibs/ice40/ice40_opt.cc')
-rw-r--r--techlibs/ice40/ice40_opt.cc2
1 files changed, 2 insertions, 0 deletions
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);