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Not sure how VCG channel constraint got removed. Fixed this bug before...

This commit is contained in:
Matt Guthaus 2018-07-27 15:15:40 -07:00
parent a7a3099702
commit c0d5f781cf
1 changed files with 4 additions and 6 deletions
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10
compiler/base/hierarchy_layout.py
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@ -709,8 +709,8 @@ class layout(lef.lef):
def create_channel_route(self, route_map, top_pins, bottom_pins, offset,
layer_stack=("metal1", "via1", "metal2"), pitch=None,
vertical=False):
layer_stack=("metal1", "via1", "metal2"), pitch=None,
vertical=False):
"""
This is a simple channel route for one-to-one connections that
will jog the top route whenever there is a conflict. It does NOT
@ -749,13 +749,11 @@ class layout(lef.lef):
for top_name,top_pin in top_pins.items():
for bot_name,bot_pin in bottom_pins.items():
if not vertical and abs(top_pin.center().x-bot_pin.center().x) < pitch:
# The edges only go from top to bottom
# since we will order tracks bottom up
vcg[top_name].append(bot_name)
vcg[bot_name].append(top_name)
elif vertical and abs(top_pin.center().y-bot_pin.center().y) < pitch:
# The edges only go from top to bottom
# since we will order tracks bottom up
vcg[top_name].append(bot_name)
vcg[bot_name].append(top_name)
# This is the starting offset of the first trunk
if vertical: