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Reimplement off grid pins.

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Long pins aren't accessed on end pins anymore.
Fix problem with multiple non-enclosed space causing blockages.
Add partial pin offgrid enclosure algorithm.
This commit is contained in:
mrg
2022-05-02 15:43:14 -07:00
parent 7195d81736
commit b1bb9151c4
17 changed files with 274 additions and 155 deletions
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compiler/modules/precharge_array.py
+1 -1
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@@ -83,7 +83,7 @@ class precharge_array(design.design):
def add_layout_pins(self):
en_pin = self.pc_cell.get_pin("en_bar")
self.route_horizontal_pins("en_bar", layer=self.en_bar_layer, num_pins=1)
self.route_horizontal_pins("en_bar", layer=self.en_bar_layer)
for inst in self.local_insts:
self.add_via_stack_center(from_layer=en_pin.layer,
to_layer=self.en_bar_layer,