From 24f2a120f2203acc8038ccce4e8dd141564a7a04 Mon Sep 17 00:00:00 2001 From: Alan Mishchenko Date: Mon, 24 Aug 2015 21:09:50 -0700 Subject: Changes to be able to compile ABC without CUDD. --- src/bdd/llb/llb1Group.c | 474 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 474 insertions(+) create mode 100644 src/bdd/llb/llb1Group.c (limited to 'src/bdd/llb/llb1Group.c') diff --git a/src/bdd/llb/llb1Group.c b/src/bdd/llb/llb1Group.c new file mode 100644 index 00000000..1099b2cd --- /dev/null +++ b/src/bdd/llb/llb1Group.c @@ -0,0 +1,474 @@ +/**CFile**************************************************************** + + FileName [llb1Group.c] + + SystemName [ABC: Logic synthesis and verification system.] + + PackageName [BDD based reachability.] + + Synopsis [Initial partition computation.] + + Author [Alan Mishchenko] + + Affiliation [UC Berkeley] + + Date [Ver. 1.0. Started - June 20, 2005.] + + Revision [$Id: llb1Group.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $] + +***********************************************************************/ + +#include "llbInt.h" + +ABC_NAMESPACE_IMPL_START + + +//////////////////////////////////////////////////////////////////////// +/// DECLARATIONS /// +//////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////// +/// FUNCTION DEFINITIONS /// +//////////////////////////////////////////////////////////////////////// + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Llb_Grp_t * Llb_ManGroupAlloc( Llb_Man_t * pMan ) +{ + Llb_Grp_t * p; + p = ABC_CALLOC( Llb_Grp_t, 1 ); + p->pMan = pMan; + p->vIns = Vec_PtrAlloc( 8 ); + p->vOuts = Vec_PtrAlloc( 8 ); + p->Id = Vec_PtrSize( pMan->vGroups ); + Vec_PtrPush( pMan->vGroups, p ); + return p; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Llb_ManGroupStop( Llb_Grp_t * p ) +{ + if ( p == NULL ) + return; + Vec_PtrWriteEntry( p->pMan->vGroups, p->Id, NULL ); + Vec_PtrFreeP( &p->vIns ); + Vec_PtrFreeP( &p->vOuts ); + Vec_PtrFreeP( &p->vNodes ); + ABC_FREE( p ); +} + + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Llb_ManGroupCollect_rec( Aig_Man_t * pAig, Aig_Obj_t * pObj, Vec_Ptr_t * vNodes ) +{ + if ( Aig_ObjIsTravIdCurrent(pAig, pObj) ) + return; + Aig_ObjSetTravIdCurrent(pAig, pObj); + if ( Aig_ObjIsConst1(pObj) ) + return; + if ( Aig_ObjIsCo(pObj) ) + { + Llb_ManGroupCollect_rec( pAig, Aig_ObjFanin0(pObj), vNodes ); + return; + } + assert( Aig_ObjIsAnd(pObj) ); + Llb_ManGroupCollect_rec( pAig, Aig_ObjFanin0(pObj), vNodes ); + Llb_ManGroupCollect_rec( pAig, Aig_ObjFanin1(pObj), vNodes ); + Vec_PtrPush( vNodes, pObj ); +} + +/**Function************************************************************* + + Synopsis [Collects the support of MFFC.] + + Description [Returns the number of internal nodes in the MFFC.] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Vec_Ptr_t * Llb_ManGroupCollect( Llb_Grp_t * pGroup ) +{ + Vec_Ptr_t * vNodes; + Aig_Obj_t * pObj; + int i; + vNodes = Vec_PtrAlloc( 100 ); + Aig_ManIncrementTravId( pGroup->pMan->pAig ); + Vec_PtrForEachEntry( Aig_Obj_t *, pGroup->vIns, pObj, i ) + Aig_ObjSetTravIdCurrent( pGroup->pMan->pAig, pObj ); + Vec_PtrForEachEntry( Aig_Obj_t *, pGroup->vOuts, pObj, i ) + Aig_ObjSetTravIdPrevious( pGroup->pMan->pAig, pObj ); + Vec_PtrForEachEntry( Aig_Obj_t *, pGroup->vOuts, pObj, i ) + Llb_ManGroupCollect_rec( pGroup->pMan->pAig, pObj, vNodes ); + return vNodes; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Llb_ManGroupCreate_rec( Aig_Man_t * pAig, Aig_Obj_t * pObj, Vec_Ptr_t * vSupp ) +{ + if ( Aig_ObjIsTravIdCurrent(pAig, pObj) ) + return; + Aig_ObjSetTravIdCurrent(pAig, pObj); + if ( Aig_ObjIsConst1(pObj) ) + return; + if ( pObj->fMarkA ) + { + Vec_PtrPush( vSupp, pObj ); + return; + } + assert( Aig_ObjIsAnd(pObj) ); + Llb_ManGroupCreate_rec( pAig, Aig_ObjFanin0(pObj), vSupp ); + Llb_ManGroupCreate_rec( pAig, Aig_ObjFanin1(pObj), vSupp ); +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Llb_Grp_t * Llb_ManGroupCreate( Llb_Man_t * pMan, Aig_Obj_t * pObj ) +{ + Llb_Grp_t * p; + assert( pObj->fMarkA == 1 ); + // derive group + p = Llb_ManGroupAlloc( pMan ); + Vec_PtrPush( p->vOuts, pObj ); + Aig_ManIncrementTravId( pMan->pAig ); + if ( Aig_ObjIsCo(pObj) ) + Llb_ManGroupCreate_rec( pMan->pAig, Aig_ObjFanin0(pObj), p->vIns ); + else + { + Llb_ManGroupCreate_rec( pMan->pAig, Aig_ObjFanin0(pObj), p->vIns ); + Llb_ManGroupCreate_rec( pMan->pAig, Aig_ObjFanin1(pObj), p->vIns ); + } + // derive internal objects + assert( p->vNodes == NULL ); + p->vNodes = Llb_ManGroupCollect( p ); + return p; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Llb_Grp_t * Llb_ManGroupCreateFirst( Llb_Man_t * pMan ) +{ + Llb_Grp_t * p; + Aig_Obj_t * pObj; + int i; + p = Llb_ManGroupAlloc( pMan ); + Saig_ManForEachLo( pMan->pAig, pObj, i ) + Vec_PtrPush( p->vOuts, pObj ); + return p; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Llb_Grp_t * Llb_ManGroupCreateLast( Llb_Man_t * pMan ) +{ + Llb_Grp_t * p; + Aig_Obj_t * pObj; + int i; + p = Llb_ManGroupAlloc( pMan ); + Saig_ManForEachLi( pMan->pAig, pObj, i ) + Vec_PtrPush( p->vIns, pObj ); + return p; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Llb_Grp_t * Llb_ManGroupsCombine( Llb_Grp_t * p1, Llb_Grp_t * p2 ) +{ + Llb_Grp_t * p; + Aig_Obj_t * pObj; + int i; + p = Llb_ManGroupAlloc( p1->pMan ); + // create inputs + Vec_PtrForEachEntry( Aig_Obj_t *, p1->vIns, pObj, i ) + Vec_PtrPush( p->vIns, pObj ); + Vec_PtrForEachEntry( Aig_Obj_t *, p2->vIns, pObj, i ) + Vec_PtrPushUnique( p->vIns, pObj ); + // create outputs + Vec_PtrForEachEntry( Aig_Obj_t *, p1->vOuts, pObj, i ) + Vec_PtrPush( p->vOuts, pObj ); + Vec_PtrForEachEntry( Aig_Obj_t *, p2->vOuts, pObj, i ) + Vec_PtrPushUnique( p->vOuts, pObj ); + + // derive internal objects + assert( p->vNodes == NULL ); + p->vNodes = Llb_ManGroupCollect( p ); + return p; +} + + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Llb_ManGroupMarkNodes_rec( Aig_Man_t * p, Aig_Obj_t * pObj ) +{ + if ( Aig_ObjIsTravIdCurrent(p, pObj) ) + return; + if ( Aig_ObjIsTravIdPrevious(p, pObj) ) + { + Aig_ObjSetTravIdCurrent(p, pObj); + return; + } + Aig_ObjSetTravIdCurrent(p, pObj); + assert( Aig_ObjIsNode(pObj) ); + Llb_ManGroupMarkNodes_rec( p, Aig_ObjFanin0(pObj) ); + Llb_ManGroupMarkNodes_rec( p, Aig_ObjFanin1(pObj) ); +} + +/**Function************************************************************* + + Synopsis [Creates group from two cuts derived by the flow computation.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Llb_Grp_t * Llb_ManGroupCreateFromCuts( Llb_Man_t * pMan, Vec_Int_t * vCut1, Vec_Int_t * vCut2 ) +{ + Llb_Grp_t * p; + Aig_Obj_t * pObj; + int i; + p = Llb_ManGroupAlloc( pMan ); + + // mark Cut1 + Aig_ManIncrementTravId( pMan->pAig ); + Aig_ManForEachObjVec( vCut1, pMan->pAig, pObj, i ) + Aig_ObjSetTravIdCurrent( pMan->pAig, pObj ); + // collect unmarked Cut2 + Aig_ManForEachObjVec( vCut2, pMan->pAig, pObj, i ) + if ( !Aig_ObjIsTravIdCurrent( pMan->pAig, pObj ) ) + Vec_PtrPush( p->vOuts, pObj ); + + // mark nodes reachable from Cut2 + Aig_ManIncrementTravId( pMan->pAig ); + Aig_ManForEachObjVec( vCut2, pMan->pAig, pObj, i ) + Llb_ManGroupMarkNodes_rec( pMan->pAig, pObj ); + // collect marked Cut1 + Aig_ManForEachObjVec( vCut1, pMan->pAig, pObj, i ) + if ( Aig_ObjIsTravIdCurrent( pMan->pAig, pObj ) ) + Vec_PtrPush( p->vIns, pObj ); + + // derive internal objects + assert( p->vNodes == NULL ); + p->vNodes = Llb_ManGroupCollect( p ); + return p; +} + + + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Llb_ManPrepareGroups( Llb_Man_t * pMan ) +{ + Aig_Obj_t * pObj; + int i; + assert( pMan->vGroups == NULL ); + pMan->vGroups = Vec_PtrAlloc( 1000 ); + Llb_ManGroupCreateFirst( pMan ); + Aig_ManForEachNode( pMan->pAig, pObj, i ) + { + if ( pObj->fMarkA ) + Llb_ManGroupCreate( pMan, pObj ); + } + Saig_ManForEachLi( pMan->pAig, pObj, i ) + { + if ( pObj->fMarkA ) + Llb_ManGroupCreate( pMan, pObj ); + } + Llb_ManGroupCreateLast( pMan ); +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Llb_ManPrintSpan( Llb_Man_t * p ) +{ + Llb_Grp_t * pGroup; + Aig_Obj_t * pVar; + int i, k, Span = 0, SpanMax = 0; + Vec_PtrForEachEntry( Llb_Grp_t *, p->vGroups, pGroup, i ) + { + Vec_PtrForEachEntry( Aig_Obj_t *, pGroup->vIns, pVar, k ) + if ( Vec_IntEntry(p->vVarBegs, pVar->Id) == i ) + Span++; + Vec_PtrForEachEntry( Aig_Obj_t *, pGroup->vOuts, pVar, k ) + if ( Vec_IntEntry(p->vVarBegs, pVar->Id) == i ) + Span++; + + SpanMax = Abc_MaxInt( SpanMax, Span ); +printf( "%d ", Span ); + + Vec_PtrForEachEntry( Aig_Obj_t *, pGroup->vIns, pVar, k ) + if ( Vec_IntEntry(p->vVarEnds, pVar->Id) == i ) + Span--; + Vec_PtrForEachEntry( Aig_Obj_t *, pGroup->vOuts, pVar, k ) + if ( Vec_IntEntry(p->vVarEnds, pVar->Id) == i ) + Span--; + } +printf( "\n" ); +printf( "Max = %d\n", SpanMax ); +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +int Llb_ManGroupHasVar( Llb_Man_t * p, int iGroup, int iVar ) +{ + Llb_Grp_t * pGroup = (Llb_Grp_t *)Vec_PtrEntry( p->vGroups, iGroup ); + Aig_Obj_t * pObj; + int i; + Vec_PtrForEachEntry( Aig_Obj_t *, pGroup->vIns, pObj, i ) + if ( pObj->Id == iVar ) + return 1; + Vec_PtrForEachEntry( Aig_Obj_t *, pGroup->vOuts, pObj, i ) + if ( pObj->Id == iVar ) + return 1; + return 0; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Llb_ManPrintHisto( Llb_Man_t * p ) +{ + Aig_Obj_t * pObj; + int i, k; + Aig_ManForEachObj( p->pAig, pObj, i ) + { + if ( Vec_IntEntry(p->vObj2Var, i) < 0 ) + continue; + printf( "%3d :", i ); + for ( k = 0; k < Vec_IntEntry(p->vVarBegs, i); k++ ) + printf( " " ); + for ( ; k <= Vec_IntEntry(p->vVarEnds, i); k++ ) + printf( "%c", Llb_ManGroupHasVar(p, k, i)? '*':'-' ); + printf( "\n" ); + } +} + +//////////////////////////////////////////////////////////////////////// +/// END OF FILE /// +//////////////////////////////////////////////////////////////////////// + + +ABC_NAMESPACE_IMPL_END + -- cgit v1.2.3