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Use pins in computing bbox offsets

This commit is contained in:
mrg 2021-04-13 16:24:28 -07:00
parent e706f776eb
commit 0e48e020c1
1 changed files with 27 additions and 34 deletions
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61
compiler/base/hierarchy_layout.py
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@ -15,6 +15,7 @@ from tech import layer_indices
from tech import layer_stacks from tech import layer_stacks
from tech import preferred_directions from tech import preferred_directions
import os import os
import sys
from globals import OPTS from globals import OPTS
from vector import vector from vector import vector
from pin_layout import pin_layout from pin_layout import pin_layout
@ -111,52 +112,44 @@ class layout():
Finds the lowest set of 2d cartesian coordinates within Finds the lowest set of 2d cartesian coordinates within
this layout this layout
""" """
lowestx = lowesty = sys.maxsize
if len(self.objs) > 0: if len(self.objs) > 0:
lowestx1 = min(obj.lx() for obj in self.objs if obj.name != "label") lowestx = min(min(obj.lx() for obj in self.objs if obj.name != "label"), lowestx)
lowesty1 = min(obj.by() for obj in self.objs if obj.name != "label") lowesty = min(min(obj.by() for obj in self.objs if obj.name != "label"), lowesty)
else:
lowestx1 = lowesty1 = None
if len(self.insts) > 0: if len(self.insts) > 0:
lowestx2 = min(inst.lx() for inst in self.insts) lowestx = min(min(inst.lx() for inst in self.insts), lowestx)
lowesty2 = min(inst.by() for inst in self.insts) lowesty = min(min(inst.by() for inst in self.insts), lowesty)
else:
lowestx2 = lowesty2 = None
if lowestx1 == None and lowestx2 == None: if len(self.pin_map) > 0:
return None for pin_set in self.pin_map.values():
elif lowestx1 == None: lowestx = min(min(pin.lx() for pin in pin_set), lowestx)
return vector(lowestx2, lowesty2) lowesty = min(min(pin.by() for pin in pin_set), lowesty)
elif lowestx2 == None:
return vector(lowestx1, lowesty1) return vector(lowestx, lowesty)
else:
return vector(min(lowestx1, lowestx2), min(lowesty1, lowesty2))
def find_highest_coords(self): def find_highest_coords(self):
""" """
Finds the highest set of 2d cartesian coordinates within Finds the highest set of 2d cartesian coordinates within
this layout this layout
""" """
highestx = highesty = -sys.maxsize - 1
if len(self.objs) > 0: if len(self.objs) > 0:
highestx1 = max(obj.rx() for obj in self.objs if obj.name != "label") highestx = max(max(obj.rx() for obj in self.objs if obj.name != "label"), highestx)
highesty1 = max(obj.uy() for obj in self.objs if obj.name != "label") highesty = max(max(obj.uy() for obj in self.objs if obj.name != "label"), highesty)
else:
highestx1 = highesty1 = None
if len(self.insts) > 0:
highestx2 = max(inst.rx() for inst in self.insts)
highesty2 = max(inst.uy() for inst in self.insts)
else:
highestx2 = highesty2 = None
if highestx1 == None and highestx2 == None: if len(self.insts) > 0:
return None highestx = max(max(inst.rx() for inst in self.insts), highestx)
elif highestx1 == None: highesty = max(max(inst.uy() for inst in self.insts), highesty)
return vector(highestx2, highesty2)
elif highestx2 == None: if len(self.pin_map) > 0:
return vector(highestx1, highesty1) for pin_set in self.pin_map.values():
else: highestx = max(max(pin.rx() for pin in pin_set), highestx)
return vector(max(highestx1, highestx2), highesty = max(max(pin.uy() for pin in pin_set), highesty)
max(highesty1, highesty2))
return vector(highestx, highesty)
def find_highest_layer_coords(self, layer): def find_highest_layer_coords(self, layer):
""" """