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authorClifford Wolf <clifford@clifford.at>2015-08-12 14:10:14 +0200
committerClifford Wolf <clifford@clifford.at>2015-08-12 14:10:14 +0200
commitc43f38c81be830469eb1536c073c519b25e18f4e (patch)
tree3ccdbba62c6f5906075f9b4eae93b95895c3b78a /techlibs/ice40
parentbc468cb6f2846919d84e7586c5551c94d3234f6d (diff)
Improved handling of "keep" attributes in hierarchical designs in opt_clean
Diffstat (limited to 'techlibs/ice40')
-rw-r--r--techlibs/ice40/cells_sim.v3
1 files changed, 1 insertions, 2 deletions
diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v
index ed7c7cd2..17b6be9c 100644
--- a/techlibs/ice40/cells_sim.v
+++ b/techlibs/ice40/cells_sim.v
@@ -866,8 +866,7 @@ endmodule
// SiliconBlue Device Configuration Cells
-(* blackbox *)
-(* keep *)
+(* blackbox, keep *)
module SB_WARMBOOT (
input BOOT,
input S1,