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Bug: In singleGCell(), make dogleg for misaligned metal1 pins. 

* Bug: In Anabatic::NetBuilder::singleGCell(), in HV mode, check if the
    two adjacent metal1 pins at least share a vertical span. If not,
    create a dogleg.
This commit is contained in:
Jean-Paul Chaput 2018-03-21 16:06:55 +01:00
parent add2136562
commit e5892ab855
1 changed files with 19 additions and 9 deletions
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28
anabatic/src/NetBuilder.cpp
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@ -1068,22 +1068,32 @@ namespace Anabatic {
cdebug_log(145,0) << "singleGCell " << gcell1 << endl;
AutoContact* turn = NULL;
AutoContact* turn1 = NULL;
AutoContact* turn2 = NULL;
AutoContact* source = NULL;
AutoContact* target = NULL;
for ( size_t irp=1 ; irp<rpM1s.size() ; ++irp ) {
doRp_AutoContacts( gcell1, rpM1s[irp-1], source, turn, DoSourceContact );
doRp_AutoContacts( gcell1, rpM1s[irp ], target, turn, DoSourceContact );
AutoSegment::create( source, target, Flags::Horizontal );
doRp_AutoContacts( gcell1, rpM1s[irp-1], source, turn1, DoSourceContact );
doRp_AutoContacts( gcell1, rpM1s[irp ], target, turn1, DoSourceContact );
if (source->getUConstraints(Flags::Vertical).intersect(target->getUConstraints(Flags::Vertical)))
AutoSegment::create( source, target, Flags::Horizontal );
else {
turn1 = AutoContactTurn::create( gcell1, rpM1s[irp]->getNet(), Session::getDContactLayer() );
turn2 = AutoContactTurn::create( gcell1, rpM1s[irp]->getNet(), Session::getDContactLayer() );
AutoSegment::create( source, turn1 , Flags::Horizontal );
AutoSegment::create( turn1 , turn2 , Flags::Vertical );
AutoSegment::create( turn2 , target, Flags::Horizontal );
}
}
if (rpM2) {
doRp_AutoContacts( gcell1, rpM1s[0], source, turn, DoSourceContact );
doRp_AutoContacts( gcell1, rpM2 , target, turn, DoSourceContact );
turn = AutoContactTurn::create( gcell1, rpM2->getNet(), Session::getContactLayer(1) );
AutoSegment::create( source, turn , Flags::Horizontal );
AutoSegment::create( turn , target, Flags::Vertical );
doRp_AutoContacts( gcell1, rpM1s[0], source, turn1, DoSourceContact );
doRp_AutoContacts( gcell1, rpM2 , target, turn1, DoSourceContact );
turn1 = AutoContactTurn::create( gcell1, rpM2->getNet(), Session::getContactLayer(1) );
AutoSegment::create( source, turn1 , Flags::Horizontal );
AutoSegment::create( turn1 , target, Flags::Vertical );
}
cdebug_tabw(145,-1);