This commit is contained in:
Yen-Sheng Ho 2017-06-06 23:16:55 -07:00
commit 584e28e8f4
35 changed files with 1845 additions and 115 deletions

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@ -1083,6 +1083,10 @@ SOURCE=.\src\base\acb\acbPar.h
# End Source File
# Begin Source File
SOURCE=.\src\base\acb\acbPush.c
# End Source File
# Begin Source File
SOURCE=.\src\base\acb\acbSets.c
# End Source File
# Begin Source File
@ -4803,6 +4807,10 @@ SOURCE=.\src\aig\gia\giaSupMin.c
# End Source File
# Begin Source File
SOURCE=.\src\aig\gia\giaSupp.c
# End Source File
# Begin Source File
SOURCE=.\src\aig\gia\giaSweep.c
# End Source File
# Begin Source File

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@ -577,6 +577,7 @@ static inline int Gia_ObjIsTravIdCurrent( Gia_Man_t * p, Gia_Obj_t * pO
static inline int Gia_ObjIsTravIdPrevious( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert( Gia_ObjId(p, pObj) < p->nTravIdsAlloc ); return (p->pTravIds[Gia_ObjId(p, pObj)] == p->nTravIds - 1); }
static inline void Gia_ObjSetTravIdCurrentId( Gia_Man_t * p, int Id ) { assert( Id < p->nTravIdsAlloc ); p->pTravIds[Id] = p->nTravIds; }
static inline int Gia_ObjIsTravIdCurrentId( Gia_Man_t * p, int Id ) { assert( Id < p->nTravIdsAlloc ); return (p->pTravIds[Id] == p->nTravIds); }
static inline int Gia_ObjIsTravIdPreviousId( Gia_Man_t * p, int Id ) { assert( Id < p->nTravIdsAlloc ); return (p->pTravIds[Id] == p->nTravIds - 1); }
static inline void Gia_ManTimeClean( Gia_Man_t * p ) { int i; assert( p->vTiming != NULL ); Vec_FltFill(p->vTiming, 3*Gia_ManObjNum(p), 0); for ( i = 0; i < Gia_ManObjNum(p); i++ ) Vec_FltWriteEntry( p->vTiming, 3*i+1, (float)(ABC_INFINITY) ); }
static inline void Gia_ManTimeStart( Gia_Man_t * p ) { assert( p->vTiming == NULL ); p->vTiming = Vec_FltAlloc(0); Gia_ManTimeClean( p ); }
@ -1464,6 +1465,15 @@ extern int Gia_ManComputeOneWin( Gia_Man_t * p, int iPivot, Vec_
/*=== giaStg.c ============================================================*/
extern void Gia_ManStgPrint( FILE * pFile, Vec_Int_t * vLines, int nIns, int nOuts, int nStates );
extern Gia_Man_t * Gia_ManStgRead( char * pFileName, int kHot, int fVerbose );
/*=== giaSupp.c ============================================================*/
typedef struct Gia_ManMin_t_ Gia_ManMin_t;
extern Gia_ManMin_t * Gia_ManSuppStart( Gia_Man_t * pGia );
extern void Gia_ManSuppStop( Gia_ManMin_t * p );
extern int Gia_ManSupportAnd( Gia_ManMin_t * p, int iLit0, int iLit1 );
typedef struct Gia_Man2Min_t_ Gia_Man2Min_t;
extern Gia_Man2Min_t * Gia_Man2SuppStart( Gia_Man_t * pGia );
extern void Gia_Man2SuppStop( Gia_Man2Min_t * p );
extern int Gia_Man2SupportAnd( Gia_Man2Min_t * p, int iLit0, int iLit1 );
/*=== giaSweep.c ============================================================*/
extern Gia_Man_t * Gia_ManFraigSweepSimple( Gia_Man_t * p, void * pPars );
extern Gia_Man_t * Gia_ManSweepWithBoxes( Gia_Man_t * p, void * pParsC, void * pParsS, int fConst, int fEquiv, int fVerbose, int fVerbEquivs );

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@ -1636,6 +1636,57 @@ Gia_Man_t * Gia_ManDupExist( Gia_Man_t * p, int iVar )
return pNew;
}
/**Function*************************************************************
Synopsis [Existentially quantified given variable.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_ManDupUniv( Gia_Man_t * p, int iVar )
{
Gia_Man_t * pNew, * pTemp;
Gia_Obj_t * pObj;
int i;
assert( iVar >= 0 && iVar < Gia_ManPiNum(p) );
assert( Gia_ManRegNum(p) == 0 );
Gia_ManFillValue( p );
// find the cofactoring variable
pNew = Gia_ManStart( Gia_ManObjNum(p) );
pNew->pName = Abc_UtilStrsav( p->pName );
pNew->pSpec = Abc_UtilStrsav( p->pSpec );
Gia_ManHashAlloc( pNew );
// compute negative cofactor
Gia_ManConst0(p)->Value = 0;
Gia_ManForEachCi( p, pObj, i )
pObj->Value = Gia_ManAppendCi(pNew);
Gia_ManPi( p, iVar )->Value = Abc_Var2Lit( 0, 0 );
Gia_ManForEachAnd( p, pObj, i )
pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
Gia_ManForEachPo( p, pObj, i )
pObj->Value = Gia_ObjFanin0Copy(pObj);
// compute the positive cofactor
Gia_ManPi( p, iVar )->Value = Abc_Var2Lit( 0, 1 );
Gia_ManForEachAnd( p, pObj, i )
pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
// create OR gate
Gia_ManForEachPo( p, pObj, i )
{
if ( i == 0 )
pObj->Value = Gia_ManAppendCo( pNew, Gia_ManHashAnd(pNew, Gia_ObjFanin0Copy(pObj), pObj->Value) );
else
pObj->Value = Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) );
}
Gia_ManHashStop( pNew );
pNew = Gia_ManCleanup( pTemp = pNew );
Gia_ManStop( pTemp );
return pNew;
}
/**Function*************************************************************
Synopsis [Existentially quantifies the given variable.]

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@ -167,7 +167,7 @@ Vec_Wec_t * Eso_ManCoverDerive( Eso_Man_t * p, Vec_Ptr_t * vCover )
}
}
}
assert( Abc_MaxInt(Vec_WecSize(vRes), 8) == Vec_WecCap(vRes) );
//assert( Abc_MaxInt(Vec_WecSize(vRes), 8) == Vec_WecCap(vRes) );
return vRes;
}
Gia_Man_t * Eso_ManCoverConvert( Eso_Man_t * p, Vec_Ptr_t * vCover )

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@ -1498,7 +1498,7 @@ int Gia_ManFromIfLogicFindLut( If_Man_t * pIfMan, Gia_Man_t * pNew, If_Cut_t * p
SeeAlso []
***********************************************************************/
void Gia_ManFromIfGetConfig( Vec_Int_t * vConfigs, If_Man_t * pIfMan, If_Cut_t * pCutBest, int fCompl )
void Gia_ManFromIfGetConfig( Vec_Int_t * vConfigs, If_Man_t * pIfMan, If_Cut_t * pCutBest, int iLit, Vec_Str_t * vConfigsStr )
{
If_Obj_t * pIfObj;
word * pPerm = If_DsdManGetFuncConfig( pIfMan->pIfDsdMan, If_CutDsdLit(pIfMan, pCutBest) ); // cell input -> DSD input
@ -1537,10 +1537,33 @@ void Gia_ManFromIfGetConfig( Vec_Int_t * vConfigs, If_Man_t * pIfMan, If_Cut_t *
}
// remember complementation
assert( nTtBitNum + nPermBitNum < 32 * nIntNum );
if ( Abc_LitIsCompl(If_CutDsdLit(pIfMan, pCutBest)) ^ pCutBest->fCompl ^ fCompl )
if ( Abc_LitIsCompl(If_CutDsdLit(pIfMan, pCutBest)) ^ pCutBest->fCompl ^ Abc_LitIsCompl(iLit) )
Abc_TtSetBit( pArray, nTtBitNum + nPermBitNum );
// update count
Vec_IntAddToEntry( vConfigs, 0, 1 );
// write configs
if ( vConfigsStr )
{
Vec_StrPrintF( vConfigsStr, "%d", Abc_Lit2Var(iLit) );
Vec_StrPush( vConfigsStr, ' ' );
for ( i = 0; i < nTtBitNum; i++ )
Vec_StrPush( vConfigsStr, (char)(Abc_TtGetBit(pArray, i) ? '1' : '0') );
Vec_StrPush( vConfigsStr, ' ' );
Vec_StrPush( vConfigsStr, ' ' );
for ( v = 0; v < nVarNum; v++ )
{
for ( i = 0; i < nPermBitOne; i++ )
{
Vec_StrPush( vConfigsStr, (char)(Abc_TtGetBit(pArray, nTtBitNum + v * nPermBitOne + i) ? '1' : '0') );
if ( i == 0 )
Vec_StrPush( vConfigsStr, ' ' );
}
Vec_StrPush( vConfigsStr, ' ' );
Vec_StrPush( vConfigsStr, ' ' );
}
Vec_StrPush( vConfigsStr, (char)(Abc_TtGetBit(pArray, nTtBitNum + nPermBitNum) ? '1' : '0') );
Vec_StrPush( vConfigsStr, '\n' );
}
}
int Gia_ManFromIfLogicFindCell( If_Man_t * pIfMan, Gia_Man_t * pNew, Gia_Man_t * pTemp, If_Cut_t * pCutBest, Ifn_Ntk_t * pNtkCell, int nLutMax, Vec_Int_t * vLeaves, Vec_Int_t * vLits, Vec_Int_t * vCover, Vec_Int_t * vMapping, Vec_Int_t * vMapping2, Vec_Int_t * vConfigs )
{
@ -1730,11 +1753,13 @@ int Gia_ManFromIfLogicAndVars( Gia_Man_t * pNew, If_Man_t * pIfMan, If_Cut_t * p
***********************************************************************/
Gia_Man_t * Gia_ManFromIfLogic( If_Man_t * pIfMan )
{
int fWriteConfigs = 1;
Gia_Man_t * pNew, * pHashed = NULL;
If_Cut_t * pCutBest;
If_Obj_t * pIfObj, * pIfLeaf;
Vec_Int_t * vMapping, * vMapping2, * vPacking = NULL, * vConfigs = NULL;
Vec_Int_t * vLeaves, * vLeaves2, * vCover, * vLits;
Vec_Str_t * vConfigsStr = NULL;
Ifn_Ntk_t * pNtkCell = NULL;
sat_solver * pSat = NULL;
int i, k, Entry;
@ -1757,6 +1782,8 @@ Gia_Man_t * Gia_ManFromIfLogic( If_Man_t * pIfMan )
vConfigs = Vec_IntAlloc( 1000 );
Vec_IntPush( vConfigs, 0 );
Vec_IntPush( vConfigs, nConfigInts );
if ( fWriteConfigs )
vConfigsStr = Vec_StrAlloc( 1000 );
}
// create new manager
pNew = Gia_ManStart( If_ManObjNum(pIfMan) );
@ -1840,7 +1867,7 @@ Gia_Man_t * Gia_ManFromIfLogic( If_Man_t * pIfMan )
pIfObj->iCopy = Gia_ManFromIfLogicNode( pIfMan, pNew, i, vLeaves, vLeaves2, pTruth, pIfMan->pPars->pLutStruct, vCover, vMapping, vMapping2, vPacking, (pIfMan->pPars->fEnableCheck75 || pIfMan->pPars->fEnableCheck75u), pIfMan->pPars->fEnableCheck07 );
pIfObj->iCopy = Abc_LitNotCond( pIfObj->iCopy, pCutBest->fCompl );
if ( vConfigs && Vec_IntSize(vLeaves) > 1 && !Gia_ObjIsCi(Gia_ManObj(pNew, Abc_Lit2Var(pIfObj->iCopy))) && pIfObj->iCopy > 1 )
Gia_ManFromIfGetConfig( vConfigs, pIfMan, pCutBest, Abc_LitIsCompl(pIfObj->iCopy) );
Gia_ManFromIfGetConfig( vConfigs, pIfMan, pCutBest, pIfObj->iCopy, vConfigsStr );
}
else
{
@ -1921,6 +1948,27 @@ Gia_Man_t * Gia_ManFromIfLogic( If_Man_t * pIfMan )
Gia_ManForEachCi( pNew, pObj, i )
assert( !Gia_ObjIsLut(pNew, Gia_ObjId(pNew, pObj)) );
}
// dump configuration strings
if ( vConfigsStr )
{
FILE * pFile; int status;
char * pStr, Buffer[1000] = {0};
char * pNameGen = pIfMan->pName? Extra_FileNameGeneric( pIfMan->pName ) : "nameless_";
sprintf( Buffer, "%s_configs.txt", pNameGen );
ABC_FREE( pNameGen );
pFile = fopen( Buffer, "wb" );
if ( pFile == NULL )
{
printf( "Cannot open file \"%s\".\n", Buffer );
return pNew;
}
Vec_StrPush( vConfigsStr, '\0' );
pStr = Vec_StrArray(vConfigsStr);
status = fwrite( pStr, strlen(pStr), 1, pFile );
Vec_StrFree( vConfigsStr );
fclose( pFile );
printf( "Finished dumping configs into file \"%s\".\n", Buffer );
}
return pNew;
}

887
src/aig/gia/giaSupp.c Normal file
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@ -0,0 +1,887 @@
/**CFile****************************************************************
FileName [giaSupp.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Scalable AIG package.]
Synopsis [Support minimization for AIGs.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: giaSupp.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "gia.h"
#include "sat/satoko/satoko.h"
#include "sat/satoko/solver.h"
#ifdef ABC_USE_CUDD
#include "bdd/extrab/extraBdd.h"
#endif
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
#ifdef ABC_USE_CUDD
struct Gia_ManMin_t_
{
// problem formulation
Gia_Man_t * pGia;
int iLits[2];
// structural information
Vec_Int_t * vCis[2];
Vec_Int_t * vObjs[2];
Vec_Int_t * vCleared;
// intermediate functions
DdManager * dd;
Vec_Ptr_t * vFuncs;
Vec_Int_t * vSupp;
};
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Create/delete the data representation manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_ManMin_t * Gia_ManSuppStart( Gia_Man_t * pGia )
{
Gia_ManMin_t * p;
p = ABC_CALLOC( Gia_ManMin_t, 1 );
p->pGia = pGia;
p->vCis[0] = Vec_IntAlloc( 512 );
p->vCis[1] = Vec_IntAlloc( 512 );
p->vObjs[0] = Vec_IntAlloc( 512 );
p->vObjs[1] = Vec_IntAlloc( 512 );
p->vCleared = Vec_IntAlloc( 512 );
p->dd = Cudd_Init( 0, 0, CUDD_UNIQUE_SLOTS, CUDD_CACHE_SLOTS, 0 );
// Cudd_AutodynEnable( p->dd, CUDD_REORDER_SYMM_SIFT );
Cudd_AutodynDisable( p->dd );
p->vFuncs = Vec_PtrAlloc( 10000 );
p->vSupp = Vec_IntAlloc( 10000 );
return p;
}
void Gia_ManSuppStop( Gia_ManMin_t * p )
{
Vec_IntFreeP( &p->vCis[0] );
Vec_IntFreeP( &p->vCis[1] );
Vec_IntFreeP( &p->vObjs[0] );
Vec_IntFreeP( &p->vObjs[1] );
Vec_IntFreeP( &p->vCleared );
Vec_PtrFreeP( &p->vFuncs );
Vec_IntFreeP( &p->vSupp );
printf( "Refs = %d. \n", Cudd_CheckZeroRef( p->dd ) );
Cudd_Quit( p->dd );
ABC_FREE( p );
}
/**Function*************************************************************
Synopsis [Compute variables, which are not in the support.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Gia_ManFindRemoved( Gia_ManMin_t * p )
{
extern void ddSupportStep2( DdNode * f, int * support );
extern void ddClearFlag2( DdNode * f );
//int fVerbose = 1;
int nBddLimit = 100000;
int nPart0 = Vec_IntSize(p->vCis[0]);
int n, i, iObj, nVars = 0;
DdNode * bFunc0, * bFunc1, * bFunc;
Vec_PtrFillExtra( p->vFuncs, Gia_ManObjNum(p->pGia), NULL );
// assign variables
for ( n = 0; n < 2; n++ )
Vec_IntForEachEntry( p->vCis[n], iObj, i )
Vec_PtrWriteEntry( p->vFuncs, iObj, Cudd_bddIthVar(p->dd, nVars++) );
// create nodes
for ( n = 0; n < 2; n++ )
Vec_IntForEachEntry( p->vObjs[n], iObj, i )
{
Gia_Obj_t * pObj = Gia_ManObj( p->pGia, iObj );
bFunc0 = Cudd_NotCond( (DdNode *)Vec_PtrEntry(p->vFuncs, Gia_ObjFaninId0(pObj, iObj)), Gia_ObjFaninC0(pObj) );
bFunc1 = Cudd_NotCond( (DdNode *)Vec_PtrEntry(p->vFuncs, Gia_ObjFaninId1(pObj, iObj)), Gia_ObjFaninC1(pObj) );
bFunc = Cudd_bddAndLimit( p->dd, bFunc0, bFunc1, nBddLimit );
assert( bFunc != NULL );
Cudd_Ref( bFunc );
Vec_PtrWriteEntry( p->vFuncs, iObj, bFunc );
}
// create new node
bFunc0 = Cudd_NotCond( (DdNode *)Vec_PtrEntry(p->vFuncs, Abc_Lit2Var(p->iLits[0])), Abc_LitIsCompl(p->iLits[0]) );
bFunc1 = Cudd_NotCond( (DdNode *)Vec_PtrEntry(p->vFuncs, Abc_Lit2Var(p->iLits[1])), Abc_LitIsCompl(p->iLits[1]) );
bFunc = Cudd_bddAndLimit( p->dd, bFunc0, bFunc1, nBddLimit );
assert( bFunc != NULL );
Cudd_Ref( bFunc );
//if ( fVerbose ) Extra_bddPrint( p->dd, bFunc ), printf( "\n" );
// collect support
Vec_IntFill( p->vSupp, nVars, 0 );
ddSupportStep2( Cudd_Regular(bFunc), Vec_IntArray(p->vSupp) );
ddClearFlag2( Cudd_Regular(bFunc) );
// find variables not present in the support
Vec_IntClear( p->vCleared );
for ( i = 0; i < nVars; i++ )
if ( Vec_IntEntry(p->vSupp, i) == 0 )
Vec_IntPush( p->vCleared, i < nPart0 ? Vec_IntEntry(p->vCis[0], i) : Vec_IntEntry(p->vCis[1], i-nPart0) );
//printf( "%d(%d)%d ", Cudd_SupportSize(p->dd, bFunc), Vec_IntSize(p->vCleared), Cudd_DagSize(bFunc) );
// deref results
Cudd_RecursiveDeref( p->dd, bFunc );
for ( n = 0; n < 2; n++ )
Vec_IntForEachEntry( p->vObjs[n], iObj, i )
Cudd_RecursiveDeref( p->dd, (DdNode *)Vec_PtrEntry(p->vFuncs, iObj) );
//Vec_IntPrint( p->vCleared );
return Vec_IntSize(p->vCleared);
}
/**Function*************************************************************
Synopsis [Compute variables, which are not in the support.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Gia_ManRebuildOne( Gia_ManMin_t * p, int n )
{
int i, iObj, iGiaLitNew = -1;
Vec_Int_t * vTempIns = p->vCis[n];
Vec_Int_t * vTempNds = p->vObjs[n];
Vec_Int_t * vCopies = &p->pGia->vCopies;
Vec_IntFillExtra( vCopies, Gia_ManObjNum(p->pGia), -1 );
assert( p->iLits[n] >= 2 );
// process inputs
Vec_IntForEachEntry( vTempIns, iObj, i )
Vec_IntWriteEntry( vCopies, iObj, Abc_Var2Lit(iObj, 0) );
// process constants
assert( Vec_IntSize(p->vCleared) > 0 );
Vec_IntForEachEntry( p->vCleared, iObj, i )
Vec_IntWriteEntry( vCopies, iObj, 0 );
if ( Vec_IntSize(vTempNds) == 0 )
iGiaLitNew = Vec_IntEntry( vCopies, Abc_Lit2Var(p->iLits[n]) );
else
{
Vec_IntForEachEntry( vTempNds, iObj, i )
{
Gia_Obj_t * pObj = Gia_ManObj( p->pGia, iObj );
int iGiaLit0 = Vec_IntEntry( vCopies, Gia_ObjFaninId0p(p->pGia, pObj) );
int iGiaLit1 = Vec_IntEntry( vCopies, Gia_ObjFaninId1p(p->pGia, pObj) );
iGiaLit0 = Abc_LitNotCond( iGiaLit0, Gia_ObjFaninC0(pObj) );
iGiaLit1 = Abc_LitNotCond( iGiaLit1, Gia_ObjFaninC1(pObj) );
iGiaLitNew = Gia_ManHashAnd( p->pGia, iGiaLit0, iGiaLit1 );
Vec_IntWriteEntry( vCopies, iObj, iGiaLitNew );
}
assert( Abc_Lit2Var(p->iLits[n]) == iObj );
}
return Abc_LitNotCond( iGiaLitNew, Abc_LitIsCompl(p->iLits[n]) );
}
/**Function*************************************************************
Synopsis [Collect nodes.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline int Gia_ManGatherSupp_rec( Gia_Man_t * p, int iObj, Vec_Int_t * vCis, Vec_Int_t * vObjs )
{
int Val0, Val1;
Gia_Obj_t * pObj;
if ( Gia_ObjIsTravIdPreviousId(p, iObj) )
return 1;
if ( Gia_ObjIsTravIdCurrentId(p, iObj) )
return 0;
Gia_ObjSetTravIdCurrentId(p, iObj);
pObj = Gia_ManObj( p, iObj );
if ( Gia_ObjIsCi(pObj) )
{
Vec_IntPush( vCis, iObj );
return 0;
}
assert( Gia_ObjIsAnd(pObj) );
Val0 = Gia_ManGatherSupp_rec( p, Gia_ObjFaninId0(pObj, iObj), vCis, vObjs );
Val1 = Gia_ManGatherSupp_rec( p, Gia_ObjFaninId1(pObj, iObj), vCis, vObjs );
Vec_IntPush( vObjs, iObj );
return Val0 || Val1;
}
int Gia_ManGatherSupp( Gia_ManMin_t * p )
{
int n, Overlap = 0;
Gia_ManIncrementTravId( p->pGia );
for ( n = 0; n < 2; n++ )
{
Vec_IntClear( p->vCis[n] );
Vec_IntClear( p->vObjs[n] );
Gia_ManIncrementTravId( p->pGia );
Overlap = Gia_ManGatherSupp_rec( p->pGia, Abc_Lit2Var(p->iLits[n]), p->vCis[n], p->vObjs[n] );
assert( n || !Overlap );
}
return Overlap;
}
/**Function*************************************************************
Synopsis [Takes a literal and returns a support-minized literal.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Gia_ManSupportAnd( Gia_ManMin_t * p, int iLit0, int iLit1 )
{
int iLitNew0, iLitNew1;
p->iLits[0] = iLit0;
p->iLits[1] = iLit1;
if ( iLit0 < 2 || iLit1 < 2 || !Gia_ManGatherSupp(p) || !Gia_ManFindRemoved(p) )
return Gia_ManHashAnd( p->pGia, iLit0, iLit1 );
iLitNew0 = Gia_ManRebuildOne( p, 0 );
iLitNew1 = Gia_ManRebuildOne( p, 1 );
return Gia_ManHashAnd( p->pGia, iLitNew0, iLitNew1 );
}
#else
Gia_ManMin_t * Gia_ManSuppStart( Gia_Man_t * pGia ) { return NULL; }
int Gia_ManSupportAnd( Gia_ManMin_t * p, int iLit0, int iLit1 ) { return 0; }
void Gia_ManSuppStop( Gia_ManMin_t * p ) {}
#endif
/**Function*************************************************************
Synopsis [Testbench.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_ManSupportAndTest( Gia_Man_t * pGia )
{
Gia_ManMin_t * pMan;
Gia_Man_t * pNew, * pTemp;
Gia_Obj_t * pObj;
int i;
Gia_ManFillValue( pGia );
pNew = Gia_ManStart( Gia_ManObjNum(pGia) );
pNew->pName = Abc_UtilStrsav( pGia->pName );
pNew->pSpec = Abc_UtilStrsav( pGia->pSpec );
Gia_ManHashAlloc( pNew );
Gia_ManConst0(pGia)->Value = 0;
pMan = Gia_ManSuppStart( pNew );
Gia_ManForEachObj1( pGia, pObj, i )
{
if ( Gia_ObjIsAnd(pObj) )
{
// pObj->Value = Gia_ManAppendAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
pObj->Value = Gia_ManSupportAnd( pMan, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
}
else if ( Gia_ObjIsCi(pObj) )
pObj->Value = Gia_ManAppendCi( pNew );
else if ( Gia_ObjIsCo(pObj) )
pObj->Value = Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) );
else assert( 0 );
if ( i % 10000 == 0 )
printf( "%d\n", i );
}
Gia_ManSuppStop( pMan );
Gia_ManSetRegNum( pNew, Gia_ManRegNum(pGia) );
pNew = Gia_ManCleanup( pTemp = pNew );
Gia_ManStop( pTemp );
return pNew;
}
struct Gia_Man2Min_t_
{
// problem formulation
Gia_Man_t * pGia;
int iLits[2];
// structural information
Vec_Int_t * vCis[2];
Vec_Int_t * vObjs[2];
// SAT solving
satoko_t * pSat; // SAT solver
Vec_Wrd_t * vSims; // simulation
Vec_Ptr_t * vFrontier; // CNF construction
Vec_Ptr_t * vFanins; // CNF construction
Vec_Int_t * vSatVars; // nodes
int nCisOld; // previous number of CIs
int iPattern; // the next pattern to write
int nSatSat;
int nSatUnsat;
int nCalls;
int nSims;
int nSupps;
};
static inline int Gia_Min2ObjSatId( Gia_Man_t * p, Gia_Obj_t * pObj ) { return Gia_ObjCopyArray(p, Gia_ObjId(p, pObj)); }
static inline int Gia_Min2ObjSetSatId( Gia_Man_t * p, Gia_Obj_t * pObj, int Num ) { assert(Gia_Min2ObjSatId(p, pObj) == -1); Gia_ObjSetCopyArray(p, Gia_ObjId(p, pObj), Num); return Num; }
static inline void Gia_Min2ObjCleanSatId( Gia_Man_t * p, Gia_Obj_t * pObj ) { assert(Gia_Min2ObjSatId(p, pObj) != -1); Gia_ObjSetCopyArray(p, Gia_ObjId(p, pObj), -1); }
/**Function*************************************************************
Synopsis [Create/delete the data representation manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man2Min_t * Gia_Man2SuppStart( Gia_Man_t * pGia )
{
Gia_Man2Min_t * p;
p = ABC_CALLOC( Gia_Man2Min_t, 1 );
p->pGia = pGia;
p->vCis[0] = Vec_IntAlloc( 512 );
p->vCis[1] = Vec_IntAlloc( 512 );
p->vObjs[0] = Vec_IntAlloc( 512 );
p->vObjs[1] = Vec_IntAlloc( 512 );
// SAT solving
p->pSat = satoko_create();
p->vSims = Vec_WrdAlloc( 1000 );
p->vFrontier = Vec_PtrAlloc( 1000 );
p->vFanins = Vec_PtrAlloc( 100 );
p->vSatVars = Vec_IntAlloc( 100 );
p->iPattern = 1;
p->pSat->opts.learnt_ratio = 0; // prevent garbage collection
return p;
}
void Gia_Man2SuppStop( Gia_Man2Min_t * p )
{
printf( "Total calls = %8d. Supps = %6d. Sims = %6d. SAT = %6d. UNSAT = %6d.\n",
p->nCalls, p->nSupps, p->nSims, p->nSatSat, p->nSatUnsat );
Vec_IntFreeP( &p->vCis[0] );
Vec_IntFreeP( &p->vCis[1] );
Vec_IntFreeP( &p->vObjs[0] );
Vec_IntFreeP( &p->vObjs[1] );
Gia_ManCleanMark01( p->pGia );
satoko_destroy( p->pSat );
Vec_WrdFreeP( &p->vSims );
Vec_PtrFreeP( &p->vFrontier );
Vec_PtrFreeP( &p->vFanins );
Vec_IntFreeP( &p->vSatVars );
ABC_FREE( p );
}
/**Function*************************************************************
Synopsis [Adds clauses to the solver.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Gia_Min2AddClausesMux( Gia_Man_t * p, Gia_Obj_t * pNode, satoko_t * pSat )
{
int fPolarFlip = 0;
Gia_Obj_t * pNodeI, * pNodeT, * pNodeE;
int pLits[4], RetValue, VarF, VarI, VarT, VarE, fCompT, fCompE;
assert( !Gia_IsComplement( pNode ) );
assert( pNode->fMark0 );
// get nodes (I = if, T = then, E = else)
pNodeI = Gia_ObjRecognizeMux( pNode, &pNodeT, &pNodeE );
// get the variable numbers
VarF = Gia_Min2ObjSatId(p, pNode);
VarI = Gia_Min2ObjSatId(p, pNodeI);
VarT = Gia_Min2ObjSatId(p, Gia_Regular(pNodeT));
VarE = Gia_Min2ObjSatId(p, Gia_Regular(pNodeE));
// get the complementation flags
fCompT = Gia_IsComplement(pNodeT);
fCompE = Gia_IsComplement(pNodeE);
// f = ITE(i, t, e)
// i' + t' + f
// i' + t + f'
// i + e' + f
// i + e + f'
// create four clauses
pLits[0] = Abc_Var2Lit(VarI, 1);
pLits[1] = Abc_Var2Lit(VarT, 1^fCompT);
pLits[2] = Abc_Var2Lit(VarF, 0);
if ( fPolarFlip )
{
if ( pNodeI->fPhase ) pLits[0] = Abc_LitNot( pLits[0] );
if ( Gia_Regular(pNodeT)->fPhase ) pLits[1] = Abc_LitNot( pLits[1] );
if ( pNode->fPhase ) pLits[2] = Abc_LitNot( pLits[2] );
}
RetValue = satoko_add_clause( pSat, pLits, 3 );
assert( RetValue );
pLits[0] = Abc_Var2Lit(VarI, 1);
pLits[1] = Abc_Var2Lit(VarT, 0^fCompT);
pLits[2] = Abc_Var2Lit(VarF, 1);
if ( fPolarFlip )
{
if ( pNodeI->fPhase ) pLits[0] = Abc_LitNot( pLits[0] );
if ( Gia_Regular(pNodeT)->fPhase ) pLits[1] = Abc_LitNot( pLits[1] );
if ( pNode->fPhase ) pLits[2] = Abc_LitNot( pLits[2] );
}
RetValue = satoko_add_clause( pSat, pLits, 3 );
assert( RetValue );
pLits[0] = Abc_Var2Lit(VarI, 0);
pLits[1] = Abc_Var2Lit(VarE, 1^fCompE);
pLits[2] = Abc_Var2Lit(VarF, 0);
if ( fPolarFlip )
{
if ( pNodeI->fPhase ) pLits[0] = Abc_LitNot( pLits[0] );
if ( Gia_Regular(pNodeE)->fPhase ) pLits[1] = Abc_LitNot( pLits[1] );
if ( pNode->fPhase ) pLits[2] = Abc_LitNot( pLits[2] );
}
RetValue = satoko_add_clause( pSat, pLits, 3 );
assert( RetValue );
pLits[0] = Abc_Var2Lit(VarI, 0);
pLits[1] = Abc_Var2Lit(VarE, 0^fCompE);
pLits[2] = Abc_Var2Lit(VarF, 1);
if ( fPolarFlip )
{
if ( pNodeI->fPhase ) pLits[0] = Abc_LitNot( pLits[0] );
if ( Gia_Regular(pNodeE)->fPhase ) pLits[1] = Abc_LitNot( pLits[1] );
if ( pNode->fPhase ) pLits[2] = Abc_LitNot( pLits[2] );
}
RetValue = satoko_add_clause( pSat, pLits, 3 );
assert( RetValue );
// two additional clauses
// t' & e' -> f'
// t & e -> f
// t + e + f'
// t' + e' + f
if ( VarT == VarE )
{
// assert( fCompT == !fCompE );
return;
}
pLits[0] = Abc_Var2Lit(VarT, 0^fCompT);
pLits[1] = Abc_Var2Lit(VarE, 0^fCompE);
pLits[2] = Abc_Var2Lit(VarF, 1);
if ( fPolarFlip )
{
if ( Gia_Regular(pNodeT)->fPhase ) pLits[0] = Abc_LitNot( pLits[0] );
if ( Gia_Regular(pNodeE)->fPhase ) pLits[1] = Abc_LitNot( pLits[1] );
if ( pNode->fPhase ) pLits[2] = Abc_LitNot( pLits[2] );
}
RetValue = satoko_add_clause( pSat, pLits, 3 );
assert( RetValue );
pLits[0] = Abc_Var2Lit(VarT, 1^fCompT);
pLits[1] = Abc_Var2Lit(VarE, 1^fCompE);
pLits[2] = Abc_Var2Lit(VarF, 0);
if ( fPolarFlip )
{
if ( Gia_Regular(pNodeT)->fPhase ) pLits[0] = Abc_LitNot( pLits[0] );
if ( Gia_Regular(pNodeE)->fPhase ) pLits[1] = Abc_LitNot( pLits[1] );
if ( pNode->fPhase ) pLits[2] = Abc_LitNot( pLits[2] );
}
RetValue = satoko_add_clause( pSat, pLits, 3 );
assert( RetValue );
}
void Gia_Min2AddClausesSuper( Gia_Man_t * p, Gia_Obj_t * pNode, Vec_Ptr_t * vSuper, satoko_t * pSat )
{
int fPolarFlip = 0;
Gia_Obj_t * pFanin;
int * pLits, nLits, RetValue, i;
assert( !Gia_IsComplement(pNode) );
assert( Gia_ObjIsAnd( pNode ) );
// create storage for literals
nLits = Vec_PtrSize(vSuper) + 1;
pLits = ABC_ALLOC( int, nLits );
// suppose AND-gate is A & B = C
// add !A => !C or A + !C
Vec_PtrForEachEntry( Gia_Obj_t *, vSuper, pFanin, i )
{
pLits[0] = Abc_Var2Lit(Gia_Min2ObjSatId(p, Gia_Regular(pFanin)), Gia_IsComplement(pFanin));
pLits[1] = Abc_Var2Lit(Gia_Min2ObjSatId(p, pNode), 1);
if ( fPolarFlip )
{
if ( Gia_Regular(pFanin)->fPhase ) pLits[0] = Abc_LitNot( pLits[0] );
if ( pNode->fPhase ) pLits[1] = Abc_LitNot( pLits[1] );
}
RetValue = satoko_add_clause( pSat, pLits, 2 );
assert( RetValue );
}
// add A & B => C or !A + !B + C
Vec_PtrForEachEntry( Gia_Obj_t *, vSuper, pFanin, i )
{
pLits[i] = Abc_Var2Lit(Gia_Min2ObjSatId(p, Gia_Regular(pFanin)), !Gia_IsComplement(pFanin));
if ( fPolarFlip )
{
if ( Gia_Regular(pFanin)->fPhase ) pLits[i] = Abc_LitNot( pLits[i] );
}
}
pLits[nLits-1] = Abc_Var2Lit(Gia_Min2ObjSatId(p, pNode), 0);
if ( fPolarFlip )
{
if ( pNode->fPhase ) pLits[nLits-1] = Abc_LitNot( pLits[nLits-1] );
}
RetValue = satoko_add_clause( pSat, pLits, nLits );
assert( RetValue );
ABC_FREE( pLits );
}
/**Function*************************************************************
Synopsis [Adds clauses and returns CNF variable of the node.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Gia_Min2CollectSuper_rec( Gia_Obj_t * pObj, Vec_Ptr_t * vSuper, int fFirst, int fUseMuxes )
{
// if the new node is complemented or a PI, another gate begins
if ( Gia_IsComplement(pObj) || Gia_ObjIsCi(pObj) ||
(!fFirst && Gia_ObjValue(pObj) > 1) ||
(fUseMuxes && pObj->fMark0) )
{
Vec_PtrPushUnique( vSuper, pObj );
return;
}
// go through the branches
Gia_Min2CollectSuper_rec( Gia_ObjChild0(pObj), vSuper, 0, fUseMuxes );
Gia_Min2CollectSuper_rec( Gia_ObjChild1(pObj), vSuper, 0, fUseMuxes );
}
void Gia_Min2CollectSuper( Gia_Obj_t * pObj, int fUseMuxes, Vec_Ptr_t * vSuper )
{
assert( !Gia_IsComplement(pObj) );
assert( !Gia_ObjIsCi(pObj) );
Vec_PtrClear( vSuper );
Gia_Min2CollectSuper_rec( pObj, vSuper, 1, fUseMuxes );
}
void Gia_Min2ObjAddToFrontier( Gia_Man_t * p, Gia_Obj_t * pObj, Vec_Ptr_t * vFrontier, satoko_t * pSat, Vec_Int_t * vSatVars )
{
assert( !Gia_IsComplement(pObj) );
assert( !Gia_ObjIsConst0(pObj) );
if ( Gia_Min2ObjSatId(p, pObj) >= 0 )
return;
assert( Gia_Min2ObjSatId(p, pObj) == -1 );
Vec_IntPush( vSatVars, Gia_ObjId(p, pObj) );
Gia_Min2ObjSetSatId( p, pObj, satoko_add_variable(pSat, 0) );
if ( Gia_ObjIsAnd(pObj) )
Vec_PtrPush( vFrontier, pObj );
}
int Gia_Min2ObjGetCnfVar( Gia_Man2Min_t * p, int iObj )
{
Gia_Obj_t * pObj = Gia_ManObj(p->pGia, iObj);
Gia_Obj_t * pNode, * pFanin;
int i, k, fUseMuxes = 1;
if ( Gia_Min2ObjSatId(p->pGia, pObj) >= 0 )
return Gia_Min2ObjSatId(p->pGia, pObj);
if ( Gia_ObjIsCi(pObj) )
{
Vec_IntPush( p->vSatVars, iObj );
return Gia_Min2ObjSetSatId( p->pGia, pObj, satoko_add_variable(p->pSat, 0) );
}
assert( Gia_ObjIsAnd(pObj) );
// start the frontier
Vec_PtrClear( p->vFrontier );
Gia_Min2ObjAddToFrontier( p->pGia, pObj, p->vFrontier, p->pSat, p->vSatVars );
// explore nodes in the frontier
Vec_PtrForEachEntry( Gia_Obj_t *, p->vFrontier, pNode, i )
{
assert( Gia_Min2ObjSatId(p->pGia,pNode) >= 0 );
if ( fUseMuxes && pNode->fMark0 )
{
Vec_PtrClear( p->vFanins );
Vec_PtrPushUnique( p->vFanins, Gia_ObjFanin0( Gia_ObjFanin0(pNode) ) );
Vec_PtrPushUnique( p->vFanins, Gia_ObjFanin0( Gia_ObjFanin1(pNode) ) );
Vec_PtrPushUnique( p->vFanins, Gia_ObjFanin1( Gia_ObjFanin0(pNode) ) );
Vec_PtrPushUnique( p->vFanins, Gia_ObjFanin1( Gia_ObjFanin1(pNode) ) );
Vec_PtrForEachEntry( Gia_Obj_t *, p->vFanins, pFanin, k )
Gia_Min2ObjAddToFrontier( p->pGia, Gia_Regular(pFanin), p->vFrontier, p->pSat, p->vSatVars );
Gia_Min2AddClausesMux( p->pGia, pNode, p->pSat );
}
else
{
Gia_Min2CollectSuper( pNode, fUseMuxes, p->vFanins );
Vec_PtrForEachEntry( Gia_Obj_t *, p->vFanins, pFanin, k )
Gia_Min2ObjAddToFrontier( p->pGia, Gia_Regular(pFanin), p->vFrontier, p->pSat, p->vSatVars );
Gia_Min2AddClausesSuper( p->pGia, pNode, p->vFanins, p->pSat );
}
assert( Vec_PtrSize(p->vFanins) > 1 );
}
return Gia_Min2ObjSatId(p->pGia,pObj);
}
/**Function*************************************************************
Synopsis [Returns 0 if the node is not a constant.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Gia_Min2ManSimulate( Gia_Man2Min_t * p )
{
word Sim0, Sim1; int n, i, iObj;
p->nSims++;
// add random values to new CIs
Vec_WrdFillExtra( p->vSims, Gia_ManObjNum(p->pGia), 0 );
for ( i = p->nCisOld; i < Gia_ManCiNum(p->pGia); i++ )
Vec_WrdWriteEntry( p->vSims, Gia_ManCiIdToId(p->pGia, i), Gia_ManRandomW( 0 ) << 1 );
p->nCisOld = Gia_ManCiNum(p->pGia);
// simulate internal nodes
for ( n = 0; n < 2; n++ )
Vec_IntForEachEntry( p->vObjs[n], iObj, i )
{
Gia_Obj_t * pObj = Gia_ManObj( p->pGia, iObj );
Sim0 = Vec_WrdEntry( p->vSims, Gia_ObjFaninId0p(p->pGia, pObj) );
Sim1 = Vec_WrdEntry( p->vSims, Gia_ObjFaninId1p(p->pGia, pObj) );
Sim0 = Gia_ObjFaninC0(pObj) ? ~Sim0 : Sim0;
Sim1 = Gia_ObjFaninC1(pObj) ? ~Sim1 : Sim1;
Vec_WrdWriteEntry( p->vSims, iObj, Sim0 & Sim1 );
}
Sim0 = Vec_WrdEntry( p->vSims, Abc_Lit2Var(p->iLits[0]) );
Sim1 = Vec_WrdEntry( p->vSims, Abc_Lit2Var(p->iLits[1]) );
Sim0 = Abc_LitIsCompl(p->iLits[0]) ? ~Sim0 : Sim0;
Sim1 = Abc_LitIsCompl(p->iLits[1]) ? ~Sim1 : Sim1;
// assert( (Sim0 & Sim1) != ~0 );
return (Sim0 & Sim1) == 0;
}
/**Function*************************************************************
Synopsis [Internal simulation APIs.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline void Gia_Min2SimSetInputBit( Gia_Man2Min_t * p, int iObj, int Bit, int iPattern )
{
word * pSim = Vec_WrdEntryP( p->vSims, iObj );
assert( iPattern > 0 && iPattern < 64 );
if ( Abc_InfoHasBit( (unsigned*)pSim, iPattern ) != Bit )
Abc_InfoXorBit( (unsigned*)pSim, iPattern );
}
int Gia_Min2ManSolve( Gia_Man2Min_t * p )
{
int iObj0 = Abc_Lit2Var(p->iLits[0]);
int iObj1 = Abc_Lit2Var(p->iLits[1]);
int n, i, status, iVar0, iVar1, iTemp;
assert( iObj0 > 0 && iObj1 > 0 );
// Vec_IntForEachEntry( &p->pGia->vCopies, iTemp, i )
// assert( iTemp == -1 );
Vec_IntFillExtra( &p->pGia->vCopies, Gia_ManObjNum(p->pGia), -1 );
Vec_IntClear( p->vSatVars );
assert( solver_varnum(p->pSat) == 0 );
iVar0 = Gia_Min2ObjGetCnfVar( p, iObj0 );
iVar1 = Gia_Min2ObjGetCnfVar( p, iObj1 );
satoko_assump_push( p->pSat, Abc_Var2Lit(iVar0, Abc_LitIsCompl(p->iLits[0])) );
satoko_assump_push( p->pSat, Abc_Var2Lit(iVar1, Abc_LitIsCompl(p->iLits[1])) );
status = satoko_solve( p->pSat );
satoko_assump_pop( p->pSat );
satoko_assump_pop( p->pSat );
if ( status == SATOKO_SAT )
{
//printf( "Disproved %d %d\n", p->iLits[0], p->iLits[1] );
assert( Gia_Min2ManSimulate(p) == 1 );
for ( n = 0; n < 2; n++ )
Vec_IntForEachEntry( p->vCis[n], iTemp, i )
Gia_Min2SimSetInputBit( p, iTemp, var_polarity(p->pSat, Gia_Min2ObjSatId(p->pGia, Gia_ManObj(p->pGia, iTemp))) == LIT_TRUE, p->iPattern );
assert( Gia_Min2ManSimulate(p) == 0 );
p->iPattern = p->iPattern == 63 ? 1 : p->iPattern + 1;
p->nSatSat++;
}
//printf( "supp %d node %d vars %d\n",
// Vec_IntSize(p->vCis[0]) + Vec_IntSize(p->vCis[1]),
// Vec_IntSize(p->vObjs[0]) + Vec_IntSize(p->vObjs[1]),
// Vec_IntSize(p->vSatVars) );
satoko_rollback( p->pSat );
Vec_IntForEachEntry( p->vSatVars, iTemp, i )
Gia_Min2ObjCleanSatId( p->pGia, Gia_ManObj(p->pGia, iTemp) );
return status == SATOKO_UNSAT;
}
/**Function*************************************************************
Synopsis [Collect nodes.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline int Gia_Min2ManGatherSupp_rec( Gia_Man_t * p, int iObj, Vec_Int_t * vCis, Vec_Int_t * vObjs )
{
int Val0, Val1;
Gia_Obj_t * pObj;
if ( Gia_ObjIsTravIdPreviousId(p, iObj) )
return 1;
if ( Gia_ObjIsTravIdCurrentId(p, iObj) )
return 0;
Gia_ObjSetTravIdCurrentId(p, iObj);
pObj = Gia_ManObj( p, iObj );
if ( Gia_ObjIsCi(pObj) )
{
Vec_IntPush( vCis, iObj );
return 0;
}
assert( Gia_ObjIsAnd(pObj) );
Val0 = Gia_Min2ManGatherSupp_rec( p, Gia_ObjFaninId0(pObj, iObj), vCis, vObjs );
Val1 = Gia_Min2ManGatherSupp_rec( p, Gia_ObjFaninId1(pObj, iObj), vCis, vObjs );
Vec_IntPush( vObjs, iObj );
return Val0 || Val1;
}
int Gia_Min2ManGatherSupp( Gia_Man2Min_t * p )
{
int n, Overlap = 0;
p->nSupps++;
Gia_ManIncrementTravId( p->pGia );
for ( n = 0; n < 2; n++ )
{
Vec_IntClear( p->vCis[n] );
Vec_IntClear( p->vObjs[n] );
Gia_ManIncrementTravId( p->pGia );
Overlap = Gia_Min2ManGatherSupp_rec( p->pGia, Abc_Lit2Var(p->iLits[n]), p->vCis[n], p->vObjs[n] );
assert( n || !Overlap );
}
return Overlap;
}
/**Function*************************************************************
Synopsis [Takes a literal and returns a support-minized literal.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Gia_Man2SupportAnd( Gia_Man2Min_t * p, int iLit0, int iLit1 )
{
p->nCalls++;
//return Gia_ManHashAnd( p->pGia, iLit0, iLit1 );
p->iLits[0] = iLit0;
p->iLits[1] = iLit1;
if ( iLit0 < 2 || iLit1 < 2 || Abc_Lit2Var(iLit0) == Abc_Lit2Var(iLit1) || Gia_ManHashLookupInt(p->pGia, iLit0, iLit1) ||
!Gia_Min2ManGatherSupp(p) || !Gia_Min2ManSimulate(p) || !Gia_Min2ManSolve(p) )
return Gia_ManHashAnd( p->pGia, iLit0, iLit1 );
//printf( "%d %d\n", iLit0, iLit1 );
p->nSatUnsat++;
return 0;
}
/**Function*************************************************************
Synopsis [Testbench.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_Man2SupportAndTest( Gia_Man_t * pGia )
{
Gia_Man2Min_t * pMan;
Gia_Man_t * pNew, * pTemp;
Gia_Obj_t * pObj;
int i;
Gia_ManRandomW( 1 );
Gia_ManFillValue( pGia );
pNew = Gia_ManStart( Gia_ManObjNum(pGia) );
pNew->pName = Abc_UtilStrsav( pGia->pName );
pNew->pSpec = Abc_UtilStrsav( pGia->pSpec );
Gia_ManHashAlloc( pNew );
Gia_ManConst0(pGia)->Value = 0;
pMan = Gia_Man2SuppStart( pNew );
Gia_ManForEachObj1( pGia, pObj, i )
{
if ( Gia_ObjIsAnd(pObj) )
{
// pObj->Value = Gia_ManAppendAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
pObj->Value = Gia_Man2SupportAnd( pMan, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
}
else if ( Gia_ObjIsCi(pObj) )
pObj->Value = Gia_ManAppendCi( pNew );
else if ( Gia_ObjIsCo(pObj) )
pObj->Value = Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) );
else assert( 0 );
//if ( i % 10000 == 0 )
// printf( "%d\n", i );
}
Gia_Man2SuppStop( pMan );
Gia_ManSetRegNum( pNew, Gia_ManRegNum(pGia) );
pNew = Gia_ManCleanup( pTemp = pNew );
Gia_ManStop( pTemp );
return pNew;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END

View File

@ -76,6 +76,7 @@ SRC += src/aig/gia/giaAig.c \
src/aig/gia/giaStg.c \
src/aig/gia/giaStr.c \
src/aig/gia/giaSupMin.c \
src/aig/gia/giaSupp.c \
src/aig/gia/giaSweep.c \
src/aig/gia/giaSweeper.c \
src/aig/gia/giaSwitch.c \

View File

@ -171,9 +171,9 @@ static void Mini_AigDump( Mini_Aig_t * p, char * pFileName )
printf( "Cannot open file for writing \"%s\".\n", pFileName );
return;
}
RetValue = fwrite( &p->nSize, sizeof(int), 1, pFile );
RetValue = fwrite( &p->nRegs, sizeof(int), 1, pFile );
RetValue = fwrite( p->pArray, sizeof(int), p->nSize, pFile );
RetValue = (int)fwrite( &p->nSize, sizeof(int), 1, pFile );
RetValue = (int)fwrite( &p->nRegs, sizeof(int), 1, pFile );
RetValue = (int)fwrite( p->pArray, sizeof(int), p->nSize, pFile );
fclose( pFile );
}
static Mini_Aig_t * Mini_AigLoad( char * pFileName )
@ -187,12 +187,12 @@ static Mini_Aig_t * Mini_AigLoad( char * pFileName )
printf( "Cannot open file for reading \"%s\".\n", pFileName );
return NULL;
}
RetValue = fread( &nSize, sizeof(int), 1, pFile );
RetValue = (int)fread( &nSize, sizeof(int), 1, pFile );
p = MINI_AIG_CALLOC( Mini_Aig_t, 1 );
p->nSize = p->nCap = nSize;
p->pArray = MINI_AIG_ALLOC( int, p->nCap );
RetValue = fread( &p->nRegs, sizeof(int), 1, pFile );
RetValue = fread( p->pArray, sizeof(int), p->nSize, pFile );
RetValue = (int)fread( &p->nRegs, sizeof(int), 1, pFile );
RetValue = (int)fread( p->pArray, sizeof(int), p->nSize, pFile );
fclose( pFile );
return p;
}

View File

@ -191,11 +191,11 @@ static void Mini_LutDump( Mini_Lut_t * p, char * pFileName )
printf( "Cannot open file for writing \"%s\".\n", pFileName );
return;
}
RetValue = fwrite( &p->nSize, sizeof(int), 1, pFile );
RetValue = fwrite( &p->nRegs, sizeof(int), 1, pFile );
RetValue = fwrite( &p->LutSize, sizeof(int), 1, pFile );
RetValue = fwrite( p->pArray, sizeof(int), p->nSize * p->LutSize, pFile );
RetValue = fwrite( p->pTruths, sizeof(int), p->nSize * Mini_LutWordNum(p->LutSize), pFile );
RetValue = (int)fwrite( &p->nSize, sizeof(int), 1, pFile );
RetValue = (int)fwrite( &p->nRegs, sizeof(int), 1, pFile );
RetValue = (int)fwrite( &p->LutSize, sizeof(int), 1, pFile );
RetValue = (int)fwrite( p->pArray, sizeof(int), p->nSize * p->LutSize, pFile );
RetValue = (int)fwrite( p->pTruths, sizeof(int), p->nSize * Mini_LutWordNum(p->LutSize), pFile );
fclose( pFile );
}
static Mini_Lut_t * Mini_LutLoad( char * pFileName )
@ -209,15 +209,15 @@ static Mini_Lut_t * Mini_LutLoad( char * pFileName )
printf( "Cannot open file for reading \"%s\".\n", pFileName );
return NULL;
}
RetValue = fread( &nSize, sizeof(int), 1, pFile );
RetValue = (int)fread( &nSize, sizeof(int), 1, pFile );
p = MINI_LUT_CALLOC( Mini_Lut_t, 1 );
p->nSize = p->nCap = nSize;
RetValue = fread( &p->nRegs, sizeof(int), 1, pFile );
RetValue = fread( &p->LutSize, sizeof(int), 1, pFile );
RetValue = (int)fread( &p->nRegs, sizeof(int), 1, pFile );
RetValue = (int)fread( &p->LutSize, sizeof(int), 1, pFile );
p->pArray = MINI_LUT_ALLOC( int, p->nCap * p->LutSize );
p->pTruths = MINI_LUT_ALLOC( unsigned, p->nCap * Mini_LutWordNum(p->LutSize) );
RetValue = fread( p->pArray, sizeof(int), p->nCap * p->LutSize, pFile );
RetValue = fread( p->pTruths, sizeof(int), p->nCap * Mini_LutWordNum(p->LutSize), pFile );
RetValue = (int)fread( p->pArray, sizeof(int), p->nCap * p->LutSize, pFile );
RetValue = (int)fread( p->pTruths, sizeof(int), p->nCap * Mini_LutWordNum(p->LutSize), pFile );
fclose( pFile );
return p;
}

View File

@ -220,7 +220,7 @@ static inline void Ndr_DataPushString( Ndr_Data_t * p, int Type, char * pFunc )
{
if ( !pFunc )
return;
Ndr_DataPushArray( p, Type, (strlen(pFunc) + 4) / 4, (int *)pFunc );
Ndr_DataPushArray( p, Type, ((int)strlen(pFunc) + 4) / 4, (int *)pFunc );
}
////////////////////////////////////////////////////////////////////////
@ -457,8 +457,8 @@ static inline void * Ndr_ModuleRead( char * pFileName )
p->nSize = p->nCap = nFileSize / 5;
p->pHead = malloc( p->nCap );
p->pBody = malloc( p->nCap * 4 );
RetValue = fread( p->pBody, 4, p->nCap, pFile );
RetValue = fread( p->pHead, 1, p->nCap, pFile );
RetValue = (int)fread( p->pBody, 4, p->nCap, pFile );
RetValue = (int)fread( p->pHead, 1, p->nCap, pFile );
assert( p->nSize == (int)p->pBody[0] );
fclose( pFile );
return p;
@ -468,8 +468,8 @@ static inline void Ndr_ModuleWrite( char * pFileName, void * pModule )
Ndr_Data_t * p = (Ndr_Data_t *)pModule; int RetValue;
FILE * pFile = fopen( pFileName, "wb" );
if ( pFile == NULL ) { printf( "Cannot open file \"%s\" for writing.\n", pFileName ); return; }
RetValue = fwrite( p->pBody, 4, p->pBody[0], pFile );
RetValue = fwrite( p->pHead, 1, p->pBody[0], pFile );
RetValue = (int)fwrite( p->pBody, 4, p->pBody[0], pFile );
RetValue = (int)fwrite( p->pHead, 1, p->pBody[0], pFile );
fclose( pFile );
}

View File

@ -3109,7 +3109,9 @@ int Abc_GateToType( Abc_Obj_t * pObj )
if ( !strncmp(pGateName, "or", 2) ) return ABC_OPER_BIT_OR;
if ( !strncmp(pGateName, "nor", 3) ) return ABC_OPER_BIT_NOR;
if ( !strncmp(pGateName, "xor", 3) ) return ABC_OPER_BIT_XOR;
if ( !strncmp(pGateName, "nxor", 4) ) return ABC_OPER_BIT_NXOR;
if ( !strncmp(pGateName, "xnor", 4) ) return ABC_OPER_BIT_NXOR;
if ( !strncmp(pGateName, "zero", 4) ) return ABC_OPER_CONST_F;
if ( !strncmp(pGateName, "one", 3) ) return ABC_OPER_CONST_T;
assert( 0 );
return -1;
}
@ -3141,6 +3143,81 @@ Vec_Wec_t * Abc_SopSynthesize( Vec_Ptr_t * vSops )
return vRes;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NtkClpOneGia_rec( Gia_Man_t * pNew, Abc_Obj_t * pNode )
{
int iLit0, iLit1;
if ( Abc_NodeIsTravIdCurrent(pNode) || Abc_ObjFaninNum(pNode) == 0 || Abc_ObjIsCi(pNode) )
return pNode->iTemp;
assert( Abc_ObjIsNode( pNode ) );
Abc_NodeSetTravIdCurrent( pNode );
iLit0 = Abc_NtkClpOneGia_rec( pNew, Abc_ObjFanin0(pNode) );
iLit1 = Abc_NtkClpOneGia_rec( pNew, Abc_ObjFanin1(pNode) );
iLit0 = Abc_LitNotCond( iLit0, Abc_ObjFaninC0(pNode) );
iLit1 = Abc_LitNotCond( iLit1, Abc_ObjFaninC1(pNode) );
return (pNode->iTemp = Gia_ManHashAnd(pNew, iLit0, iLit1));
}
Gia_Man_t * Abc_NtkStrashToGia( Abc_Ntk_t * pNtk )
{
int i, iLit;
Abc_Obj_t * pNode;
Gia_Man_t * pNew, * pTemp;
assert( Abc_NtkIsStrash(pNtk) );
Abc_NtkForEachObj( pNtk, pNode, i )
pNode->iTemp = -1;
// start new manager
pNew = Gia_ManStart( Abc_NtkObjNum(pNtk) );
pNew->pName = Abc_UtilStrsav( pNtk->pName );
pNew->pSpec = Abc_UtilStrsav( pNtk->pSpec );
Gia_ManHashStart( pNew );
// primary inputs
Abc_AigConst1(pNtk)->iTemp = 1;
Abc_NtkForEachCi( pNtk, pNode, i )
pNode->iTemp = Gia_ManAppendCi(pNew);
// create the first cone
Abc_NtkIncrementTravId( pNtk );
Abc_NtkForEachCo( pNtk, pNode, i )
{
iLit = Abc_NtkClpOneGia_rec( pNew, Abc_ObjFanin0(pNode) );
iLit = Abc_LitNotCond( iLit, Abc_ObjFaninC0(pNode) );
Gia_ManAppendCo( pNew, iLit );
}
// perform cleanup
pNew = Gia_ManCleanup( pTemp = pNew );
Gia_ManStop( pTemp );
return pNew;
}
Gia_Man_t * Abc_SopSynthesizeOne( Vec_Ptr_t * vSops )
{
Abc_Ntk_t * pNtkNew, * pNtk;
char * pSop = (char *)Vec_PtrEntry(vSops, 0);
assert( Vec_PtrSize(vSops) == 1 );
if ( strlen(pSop) == 3 )
{
Gia_Man_t * pNew = Gia_ManStart( 1 );
pNew->pName = Abc_UtilStrsav( "top" );
//Gia_ManAppendCi( pNew );
assert( pSop[1] == '0' || pSop[1] == '1' );
Gia_ManAppendCo( pNew, pSop[1] == '1' );
return pNew;
}
pNtk = Abc_NtkCreateFromSops( "top", vSops );
Abc_FrameReplaceCurrentNetwork( Abc_FrameReadGlobalFrame(), pNtk );
Cmd_CommandExecute( Abc_FrameGetGlobalFrame(), "fx; strash; dc2" );
pNtkNew = Abc_FrameReadNtk( Abc_FrameReadGlobalFrame() );
return Abc_NtkStrashToGia( pNtkNew );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////

View File

@ -124,6 +124,7 @@ static int Abc_CommandMfs ( Abc_Frame_t * pAbc, int argc, cha
static int Abc_CommandMfs2 ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandMfs3 ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandMfse ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandLogicPush ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandTrace ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandGlitch ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandSpeedup ( Abc_Frame_t * pAbc, int argc, char ** argv );
@ -781,6 +782,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "Synthesis", "mfs2", Abc_CommandMfs2, 1 );
Cmd_CommandAdd( pAbc, "Synthesis", "mfs3", Abc_CommandMfs3, 1 );
Cmd_CommandAdd( pAbc, "Synthesis", "mfse", Abc_CommandMfse, 1 );
Cmd_CommandAdd( pAbc, "Synthesis", "logicpush", Abc_CommandLogicPush, 1 );
Cmd_CommandAdd( pAbc, "Synthesis", "trace", Abc_CommandTrace, 0 );
Cmd_CommandAdd( pAbc, "Synthesis", "glitch", Abc_CommandGlitch, 0 );
Cmd_CommandAdd( pAbc, "Synthesis", "speedup", Abc_CommandSpeedup, 1 );
@ -4151,7 +4153,7 @@ int Abc_CommandFastExtract( Abc_Frame_t * pAbc, int argc, char ** argv )
Abc_Print( -1, "Empty network.\n" );
return 1;
}
if ( Abc_NtkNodeNum(pNtk) == 0 )
if ( Abc_NtkNodeNum(pNtk) == 0 || Abc_NtkPiNum(pNtk) == 0 )
{
Abc_Print( -1, "The network does not have internal nodes.\n" );
return 1;
@ -5807,6 +5809,74 @@ usage:
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_CommandLogicPush( Abc_Frame_t * pAbc, int argc, char ** argv )
{
extern Abc_Ntk_t * Abc_NtkOptPush( Abc_Ntk_t * pNtk, int nLutSize, int fVerbose );
Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc);
Abc_Ntk_t * pNtkRes;
int nLutSize = 4;
int fVerbose = 0;
int c;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "Kvh" ) ) != EOF )
{
switch ( c )
{
case 'K':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-K\" should be followed by a positive integer.\n" );
goto usage;
}
nLutSize = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nLutSize < 0 )
goto usage;
break;
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
default:
goto usage;
}
}
if ( pNtk == NULL )
{
Abc_Print( -1, "Empty network.\n" );
return 1;
}
if ( !Abc_NtkIsLogic(pNtk) )
{
Abc_Print( -1, "This command can only be applied to a logic network.\n" );
return 1;
}
nLutSize = Abc_MaxInt( nLutSize, Abc_NtkGetFaninMax(pNtk) );
Abc_NtkToSop( pNtk, -1, ABC_INFINITY );
pNtkRes = Abc_NtkOptPush( pNtk, nLutSize, fVerbose );
Abc_FrameReplaceCurrentNetwork( pAbc, pNtkRes );
return 0;
usage:
Abc_Print( -2, "usage: logicpush [-K num] [-vh]\n" );
Abc_Print( -2, "\t performs logic pushing to reduce structural bias\n" );
Abc_Print( -2, "\t-K <num> : the LUT size used in the mapping [default = %d]\n", nLutSize );
Abc_Print( -2, "\t-v : toggle printing optimization summary [default = %s]\n", fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : print the command usage\n");
return 1;
}
/**Function*************************************************************
@ -18315,7 +18385,7 @@ int Abc_CommandDsdFilter( Abc_Frame_t * pAbc, int argc, char ** argv )
if ( fInvMarks )
If_DsdManInvertMarks( pDsd, fVerbose );
#ifdef ABC_USE_CUDD
else
else if ( nLimit == 0 )
Id_DsdManTuneThresh( pDsd, fUnate, fThresh, fThreshHeuristic, fVerbose );
#endif
return 0;

View File

@ -256,7 +256,8 @@ static inline int * Acb_ObjFanins( Acb_Ntk_t * p, int i )
static inline int Acb_ObjFanin( Acb_Ntk_t * p, int i, int k ) { return Acb_ObjFanins(p, i)[k+1]; }
static inline int Acb_ObjFaninNum( Acb_Ntk_t * p, int i ) { return Acb_ObjFanins(p, i)[0]; }
static inline int Acb_ObjFanoutNum( Acb_Ntk_t * p, int i ) { return Vec_IntSize( Vec_WecEntry(&p->vFanouts, i) ); }
static inline Vec_Int_t * Acb_ObjFanoutVec( Acb_Ntk_t * p, int i ) { return Vec_WecEntry( &p->vFanouts, i ); }
static inline Vec_Int_t * Acb_ObjFanoutVec( Acb_Ntk_t * p, int i ) { assert(i>0); return Vec_WecEntry( &p->vFanouts, i ); }
static inline int Acb_ObjFanout( Acb_Ntk_t * p, int i, int k ) { return Vec_IntEntry( Acb_ObjFanoutVec(p, i), k ); }
static inline int Acb_ObjFanin0( Acb_Ntk_t * p, int i ) { return Acb_ObjFanins(p, i)[1]; }
static inline int Acb_ObjCioId( Acb_Ntk_t * p, int i ) { return Acb_ObjFanins(p, i)[2]; }
@ -276,7 +277,6 @@ static inline int Acb_ObjLevelR( Acb_Ntk_t * p, int i )
static inline int Acb_ObjPathD( Acb_Ntk_t * p, int i ) { assert(i>0); return Vec_IntEntry(&p->vPathD, i); }
static inline int Acb_ObjPathR( Acb_Ntk_t * p, int i ) { assert(i>0); return Vec_IntEntry(&p->vPathR, i); }
static inline float Acb_ObjCounts( Acb_Ntk_t * p, int i ) { assert(i>0); return Vec_FltEntry(&p->vCounts, i); }
static inline Vec_Int_t * Acb_ObjFanout( Acb_Ntk_t * p, int i ) { assert(i>0); return Vec_WecEntry(&p->vFanouts, i); }
static inline Vec_Str_t * Acb_ObjCnfs( Acb_Ntk_t * p, int i ) { assert(i>0); return (Vec_Str_t *)Vec_WecEntry(&p->vCnfs, i); }
static inline void Acb_ObjSetCopy( Acb_Ntk_t * p, int i, int x ) { assert(Acb_ObjCopy(p, i) == -1); Vec_IntWriteEntry( &p->vObjCopy, i, x ); }
@ -361,6 +361,8 @@ static inline void Acb_NtkIncTravId( Acb_Ntk_t * p )
for ( i = Vec_StrSize(&p->vObjType)-1; i > 0; i-- ) if ( !Acb_ObjType(p, i) ) {} else
#define Acb_NtkForEachNode( p, i ) \
for ( i = 1; i < Vec_StrSize(&p->vObjType); i++ ) if ( !Acb_ObjType(p, i) || Acb_ObjIsCio(p, i) ) {} else
#define Acb_NtkForEachNodeSupp( p, i, nSuppSize ) \
for ( i = 1; i < Vec_StrSize(&p->vObjType); i++ ) if ( !Acb_ObjType(p, i) || Acb_ObjIsCio(p, i) || Acb_ObjFaninNum(p, i) != nSuppSize ) {} else
#define Acb_NtkForEachNodeReverse( p, i ) \
for ( i = Vec_StrSize(&p->vObjType)-1; i > 0; i-- ) if ( !Acb_ObjType(p, i) || Acb_ObjIsCio(p, i) ) {} else
#define Acb_NtkForEachObjType( p, Type, i ) \
@ -403,12 +405,35 @@ static inline int Acb_ObjFonNum( Acb_Ntk_t * p, int iObj )
Count++;
return Count;
}
static inline int Acb_ObjWhatFanin( Acb_Ntk_t * p, int iObj, int iFaninGiven )
{
int k, iFanin, * pFanins;
Acb_ObjForEachFaninFast( p, iObj, pFanins, iFanin, k )
if ( iFanin == iFaninGiven )
return k;
return -1;
}
static inline void Acb_ObjAddFanin( Acb_Ntk_t * p, int iObj, int iFanin )
{
int * pFanins = Acb_ObjFanins( p, iObj );
assert( pFanins[ 1 + pFanins[0] ] == -1 );
pFanins[ 1 + pFanins[0]++ ] = iFanin;
}
static inline void Acb_ObjDeleteFaninIndex( Acb_Ntk_t * p, int iObj, int iFaninIndex )
{
int i, * pFanins = Acb_ObjFanins( p, iObj );
pFanins[0]--;
for ( i = iFaninIndex; i < pFanins[0]; i++ )
pFanins[ 1 + i ] = pFanins[ 2 + i ];
pFanins[ 1 + pFanins[0] ] = -1;
}
static inline void Acb_ObjDeleteFanin( Acb_Ntk_t * p, int iObj, int iFanin )
{
int * pFanins = Acb_ObjFanins( p, iObj );
int iFaninIndex = Acb_ObjWhatFanin( p, iObj, iFanin );
assert( pFanins[ 1 + iFaninIndex ] == iFanin );
Acb_ObjDeleteFaninIndex( p, iObj, iFaninIndex );
}
static inline void Acb_ObjAddFanins( Acb_Ntk_t * p, int iObj, Vec_Int_t * vFanins )
{
int i, iFanin;
@ -495,12 +520,23 @@ static inline void Acb_ObjDelete( Acb_Ntk_t * p, int iObj )
Acb_ObjForEachFon( p, iObj, i )
Acb_ObjCleanType( p, i );
}
static inline void Acb_ObjAddFaninFanoutOne( Acb_Ntk_t * p, int iObj, int iFanin )
{
Vec_IntPush( Vec_WecEntry(&p->vFanouts, iFanin), iObj );
Acb_ObjAddFanin( p, iObj, iFanin );
}
static inline void Acb_ObjAddFaninFanout( Acb_Ntk_t * p, int iObj )
{
int k, iFanin, * pFanins;
Acb_ObjForEachFaninFast( p, iObj, pFanins, iFanin, k )
Vec_IntPush( Vec_WecEntry(&p->vFanouts, iFanin), iObj );
}
static inline void Acb_ObjRemoveFaninFanoutOne( Acb_Ntk_t * p, int iObj, int iFanin )
{
int RetValue = Vec_IntRemove( Vec_WecEntry(&p->vFanouts, iFanin), iObj );
assert( RetValue );
Acb_ObjDeleteFanin( p, iObj, iFanin );
}
static inline void Acb_ObjRemoveFaninFanout( Acb_Ntk_t * p, int iObj )
{
int k, iFanin, * pFanins;
@ -510,6 +546,19 @@ static inline void Acb_ObjRemoveFaninFanout( Acb_Ntk_t * p, int iObj )
assert( RetValue );
}
}
static inline void Acb_ObjPatchFanin( Acb_Ntk_t * p, int iObj, int iFanin, int iFaninNew )
{
int i, RetValue, * pFanins = Acb_ObjFanins( p, iObj );
assert( iFanin != iFaninNew );
for ( i = 0; i < pFanins[0]; i++ )
if ( pFanins[ 1 + i ] == iFanin )
pFanins[ 1 + i ] = iFaninNew;
if ( !Acb_NtkHasObjFanout(p) )
return;
RetValue = Vec_IntRemove( Vec_WecEntry(&p->vFanouts, iFanin), iObj );
assert( RetValue );
Vec_IntPush( Vec_WecEntry(&p->vFanouts, iFaninNew), iObj );
}
static inline void Acb_NtkCreateFanout( Acb_Ntk_t * p )
{
int iObj;

View File

@ -271,6 +271,28 @@ Abc_Ntk_t * Abc_NtkOptMfse( Abc_Ntk_t * pNtk, Acb_Par_t * pPars )
return pNtkNew;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkOptPush( Abc_Ntk_t * pNtk, int nLutSize, int fVerbose )
{
extern void Acb_NtkPushLogic( Acb_Ntk_t * p, int nLutSize, int fVerbose );
Abc_Ntk_t * pNtkNew;
Acb_Ntk_t * p = Acb_NtkFromAbc( pNtk );
Acb_NtkPushLogic( p, nLutSize, fVerbose );
pNtkNew = Acb_NtkToAbc( pNtk, p );
Acb_ManFree( p->pDesign );
return pNtkNew;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////

View File

@ -1576,7 +1576,7 @@ cleanup:
void Acb_NtkOpt( Acb_Ntk_t * pNtk, Acb_Par_t * pPars )
{
Acb_Mfs_t * pMan = Acb_MfsStart( pNtk, pPars );
//if ( pPars->fVerbose )
if ( pPars->fVerbose )
printf( "%s-optimization parameters: TfiLev(I) = %d TfoLev(O) = %d WinMax(W) = %d LutSize = %d\n",
pMan->pPars->fArea ? "Area" : "Delay", pMan->pPars->nTfiLevMax, pMan->pPars->nTfoLevMax, pMan->pPars->nWinNodeMax, pMan->pPars->nLutSize );
Acb_NtkCreateFanout( pNtk ); // fanout data structure
@ -1592,8 +1592,8 @@ void Acb_NtkOpt( Acb_Ntk_t * pNtk, Acb_Par_t * pPars )
if ( iObj < nNodes && !Vec_BitEntry(vVisited, iObj) && Acb_NtkObjMffcEstimate(pNtk, iObj) >= n )
{
pMan->nNodes++;
if ( iObj != 103 )
continue;
//if ( iObj != 103 )
// continue;
//Acb_NtkOptNode( pMan, iObj );
while ( (RetValue = Acb_NtkOptNode(pMan, iObj)) && Acb_ObjFaninNum(pNtk, iObj) );
Vec_BitWriteEntry( vVisited, iObj, 1 );
@ -1609,13 +1609,13 @@ void Acb_NtkOpt( Acb_Ntk_t * pNtk, Acb_Par_t * pPars )
int iObj = Vec_QuePop(pNtk->vQue);
if ( !Acb_ObjType(pNtk, iObj) )
continue;
if ( iObj != 103 )
continue;
//if ( iObj != 103 )
// continue;
//printf( "Trying node %4d (%4d) ", iObj, Value );
Acb_NtkOptNode( pMan, iObj );
}
}
//if ( pPars->fVerbose )
if ( pPars->fVerbose )
{
pMan->timeTotal = Abc_Clock() - pMan->timeTotal;
printf( "Node = %d Win = %d (Ave = %d) DivAve = %d Change = %d C = %d N1 = %d N2 = %d N3 = %d Over = %d Str = %d 2Node = %d.\n",

372
src/base/acb/acbPush.c Normal file
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@ -0,0 +1,372 @@
/**CFile****************************************************************
FileName [acbPush.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Hierarchical word-level netlist.]
Synopsis [Implementation of logic pushing.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - July 21, 2015.]
Revision [$Id: acbPush.c,v 1.00 2014/11/29 00:00:00 alanmi Exp $]
***********************************************************************/
#include "acb.h"
#include "misc/util/utilTruth.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Pushing logic to the fanout.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Acb_ObjPushToFanout( Acb_Ntk_t * p, int iObj, int iFaninIndex, int iFanout )
{
word c0, uTruthObjNew = 0, uTruthObj = Acb_ObjTruth( p, iObj ), Gate;
word c1, uTruthFanNew = 0, uTruthFan = Acb_ObjTruth( p, iFanout );
int DecType = Abc_TtCheckOutAnd( uTruthObj, iFaninIndex, &uTruthObjNew );
int iFanin = Acb_ObjFanin( p, iObj, iFaninIndex );
int iFanoutObjIndex = Acb_ObjWhatFanin( p, iFanout, iObj );
int iFanoutFaninIndex = Acb_ObjWhatFanin( p, iFanout, iFanin );
if ( iFanoutFaninIndex == -1 )
iFanoutFaninIndex = Acb_ObjFaninNum(p, iFanout);
assert( !Acb_ObjIsCio(p, iObj) );
assert( !Acb_ObjIsCio(p, iFanout) );
assert( iFanoutFaninIndex >= 0 );
assert( iFaninIndex < Acb_ObjFaninNum(p, iObj) );
assert( Acb_ObjFanoutNum(p, iObj) == 1 );
// compute new function of the fanout
c0 = Abc_Tt6Cofactor0( uTruthFan, iFanoutObjIndex );
c1 = Abc_Tt6Cofactor1( uTruthFan, iFanoutObjIndex );
if ( DecType == 0 ) // F = i * G
Gate = s_Truths6[iFanoutFaninIndex] & s_Truths6[iFanoutObjIndex];
else if ( DecType == 1 ) // F = ~i * G
Gate = ~s_Truths6[iFanoutFaninIndex] & s_Truths6[iFanoutObjIndex];
else if ( DecType == 2 ) // F = ~i + G
Gate = ~s_Truths6[iFanoutFaninIndex] | s_Truths6[iFanoutObjIndex];
else if ( DecType == 3 ) // F = i + G
Gate = s_Truths6[iFanoutFaninIndex] | s_Truths6[iFanoutObjIndex];
else if ( DecType == 4 ) // F = i # G
Gate = s_Truths6[iFanoutFaninIndex] ^ s_Truths6[iFanoutObjIndex];
else assert( 0 );
uTruthFanNew = (~Gate & c0) | (Gate & c1);
// update functions
Vec_WrdWriteEntry( &p->vObjTruth, iObj, Abc_Tt6RemoveVar(uTruthObjNew, iFaninIndex) );
Vec_WrdWriteEntry( &p->vObjTruth, iFanout, uTruthFanNew );
// update fanins
Acb_ObjRemoveFaninFanoutOne( p, iObj, iFanin );
if ( iFanoutFaninIndex == Acb_ObjFaninNum(p, iFanout) ) // adding new
Acb_ObjAddFaninFanoutOne( p, iFanout, iFanin );
}
/**Function*************************************************************
Synopsis [Pushing logic to the fanin.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Acb_ObjPushToFanin( Acb_Ntk_t * p, int iObj, int iFaninIndex2, int iFanin )
{
word uTruthObjNew = 0, uTruthObj = Acb_ObjTruth( p, iObj );
word uTruthFanNew = 0, uTruthFan = Acb_ObjTruth( p, iFanin );
int iFaninIndex = Acb_ObjWhatFanin( p, iObj, iFanin );
int DecType = Abc_TtCheckDsdAnd( uTruthObj, iFaninIndex, iFaninIndex2, &uTruthObjNew );
int iFanin2 = Acb_ObjFanin( p, iObj, iFaninIndex2 );
int iFaninFaninIndex = Acb_ObjWhatFanin( p, iFanin, iFanin2 );
if ( iFaninFaninIndex == -1 )
iFaninFaninIndex = Acb_ObjFaninNum(p, iFanin);
assert( !Acb_ObjIsCio(p, iObj) );
assert( !Acb_ObjIsCio(p, iFanin) );
assert( iFaninIndex < Acb_ObjFaninNum(p, iObj) );
assert( iFaninIndex2 < Acb_ObjFaninNum(p, iObj) );
assert( iFaninIndex != iFaninIndex2 );
assert( Acb_ObjFanoutNum(p, iFanin) == 1 );
// compute new function of the fanout
if ( DecType == 0 ) // i * j
uTruthFanNew = uTruthFan & s_Truths6[iFaninFaninIndex];
else if ( DecType == 1 ) // i * !j
uTruthFanNew = ~uTruthFan & s_Truths6[iFaninFaninIndex];
else if ( DecType == 2 ) // !i * j
uTruthFanNew = uTruthFan & ~s_Truths6[iFaninFaninIndex];
else if ( DecType == 3 ) // !i * !j
uTruthFanNew = ~uTruthFan & ~s_Truths6[iFaninFaninIndex];
else if ( DecType == 4 ) // i # j
uTruthFanNew = uTruthFan ^ s_Truths6[iFaninFaninIndex];
else assert( 0 );
// update functions
Vec_WrdWriteEntry( &p->vObjTruth, iObj, Abc_Tt6RemoveVar(uTruthObjNew, iFaninIndex2) );
Vec_WrdWriteEntry( &p->vObjTruth, iFanin, uTruthFanNew );
// update fanins
Acb_ObjRemoveFaninFanoutOne( p, iObj, iFanin2 );
if ( iFaninFaninIndex == Acb_ObjFaninNum(p, iFanin) ) // adding new
Acb_ObjAddFaninFanoutOne( p, iFanin, iFanin2 );
}
/**Function*************************************************************
Synopsis [Removing constants, buffers, duplicated fanins.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline int Acb_ObjFindNodeFanout( Acb_Ntk_t * p, int iObj )
{
int i, iFanout;
Acb_ObjForEachFanout( p, iObj, iFanout, i )
if ( !Acb_ObjIsCio(p, iFanout) )
return iFanout;
return -1;
}
int Acb_ObjSuppMin_int( Acb_Ntk_t * p, int iObj )
{
int k, iFanin, * pFanins;
word uTruth = Acb_ObjTruth( p, iObj );
Acb_ObjForEachFaninFast( p, iObj, pFanins, iFanin, k )
{
if ( Abc_Tt6HasVar(uTruth, k) )
continue;
Acb_ObjDeleteFaninIndex( p, iObj, k );
Vec_IntRemove( Vec_WecEntry(&p->vFanouts, iFanin), iObj );
Vec_WrdWriteEntry( &p->vObjTruth, iObj, Abc_Tt6RemoveVar(uTruth, k) );
return 1;
}
return 0;
}
void Acb_ObjSuppMin( Acb_Ntk_t * p, int iObj )
{
while ( Acb_ObjSuppMin_int(p, iObj) );
}
void Acb_ObjRemoveDup( Acb_Ntk_t * p, int iObj, int i, int j )
{
word c00, c11, uTruthNew, uTruth = Acb_ObjTruth( p, iObj );
assert( !Acb_ObjIsCio(p, iObj) );
assert( Acb_ObjFanin(p, iObj, i) == Acb_ObjFanin(p, iObj, j) );
c00 = Abc_Tt6Cofactor0( Abc_Tt6Cofactor0(uTruth, i), j );
c11 = Abc_Tt6Cofactor1( Abc_Tt6Cofactor1(uTruth, i), j );
uTruthNew = (~s_Truths6[i] & c00) | (s_Truths6[i] & c11);
Vec_WrdWriteEntry( &p->vObjTruth, iObj, Abc_Tt6RemoveVar(uTruthNew, j) );
Acb_ObjDeleteFaninIndex( p, iObj, j );
Vec_IntRemove( Vec_WecEntry(&p->vFanouts, iObj), Acb_ObjFanin(p, iObj, j) );
Acb_ObjSuppMin( p, iObj );
}
int Acb_ObjRemoveDupFanins_int( Acb_Ntk_t * p, int iObj )
{
int i, k, * pFanins = Acb_ObjFanins( p, iObj );
for ( i = 0; i < pFanins[0]; i++ )
for ( k = i+1; k < pFanins[0]; k++ )
{
if ( pFanins[1+i] != pFanins[1+k] )
continue;
Acb_ObjRemoveDup( p, iObj, i, k );
return 1;
}
return 0;
}
void Acb_ObjRemoveDupFanins( Acb_Ntk_t * p, int iObj )
{
assert( !Acb_ObjIsCio(p, iObj) );
while ( Acb_ObjRemoveDupFanins_int(p, iObj) );
}
void Acb_ObjRemoveConst( Acb_Ntk_t * p, int iObj )
{
int iFanout;
word uTruth = Acb_ObjTruth( p, iObj );
assert( !Acb_ObjIsCio(p, iObj) );
assert( Acb_ObjFaninNum(p, iObj) == 0 );
assert( uTruth == 0 || ~uTruth == 0 );
while ( (iFanout = Acb_ObjFindNodeFanout(p, iObj)) >= 0 )
{
int iObjIndex = Acb_ObjWhatFanin( p, iFanout, iObj );
word uTruthF = Acb_ObjTruth( p, iFanout );
Acb_ObjRemoveFaninFanoutOne( p, iFanout, iObj );
uTruthF = (uTruth & 1) ? Abc_Tt6Cofactor1(uTruthF, iObjIndex) : Abc_Tt6Cofactor0(uTruthF, iObjIndex);
Vec_WrdWriteEntry( &p->vObjTruth, iFanout, Abc_Tt6RemoveVar(uTruthF, iObjIndex) );
Acb_ObjSuppMin( p, iFanout );
}
if ( Acb_ObjFanoutNum(p, iObj) == 0 )
Acb_ObjCleanType( p, iObj );
}
void Acb_ObjRemoveBufInv( Acb_Ntk_t * p, int iObj )
{
int iFanout;
word uTruth = Acb_ObjTruth( p, iObj );
assert( !Acb_ObjIsCio(p, iObj) );
assert( Acb_ObjFaninNum(p, iObj) == 1 );
assert( uTruth == s_Truths6[0] || ~uTruth == s_Truths6[0] );
while ( (iFanout = Acb_ObjFindNodeFanout(p, iObj)) >= 0 )
{
int iFanin = Acb_ObjFanin( p, iObj, 0 );
int iObjIndex = Acb_ObjWhatFanin( p, iFanout, iObj );
Acb_ObjPatchFanin( p, iFanout, iObj, iFanin );
if ( uTruth & 1 ) // inv
{
word uTruthF = Acb_ObjTruth( p, iFanout );
Vec_WrdWriteEntry( &p->vObjTruth, iFanout, Abc_Tt6Flip(uTruthF, iObjIndex) );
}
Acb_ObjRemoveDupFanins( p, iFanout );
}
while ( (uTruth & 1) == 0 && Acb_ObjFanoutNum(p, iObj) > 0 )
{
int iFanin = Acb_ObjFanin( p, iObj, 0 );
int iFanout = Acb_ObjFanout( p, iObj, 0 );
assert( Acb_ObjIsCo(p, iFanout) );
Acb_ObjPatchFanin( p, iFanout, iObj, iFanin );
}
if ( Acb_ObjFanoutNum(p, iObj) == 0 )
{
Acb_ObjRemoveFaninFanout( p, iObj );
Acb_ObjRemoveFanins( p, iObj );
Acb_ObjCleanType( p, iObj );
}
}
/**Function*************************************************************
Synopsis [Check if the node can have its logic pushed.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline int Acb_ObjFindFaninPushableIndex( Acb_Ntk_t * p, int iObj, int iFanIndex )
{
int k, iFanin, * pFanins;
Acb_ObjForEachFaninFast( p, iObj, pFanins, iFanin, k )
if ( k != iFanIndex && Abc_TtCheckDsdAnd(Acb_ObjTruth(p, iObj), k, iFanIndex, NULL) >= 0 )
return k;
return -1;
}
static inline int Acb_ObjFindFanoutPushableIndex( Acb_Ntk_t * p, int iObj )
{
int k, iFanin, * pFanins;
Acb_ObjForEachFaninFast( p, iObj, pFanins, iFanin, k )
if ( Abc_TtCheckOutAnd(Acb_ObjTruth(p, iObj), k, NULL) >= 0 )
return k;
return -1;
}
int Acb_ObjPushToFanins( Acb_Ntk_t * p, int iObj, int nLutSize )
{
int k, k2, iFanin, * pFanins;
if ( Acb_ObjFaninNum(p, iObj) < 2 )
return 0;
Acb_ObjForEachFaninFast( p, iObj, pFanins, iFanin, k )
{
if ( Acb_ObjIsCi(p, iFanin) )
continue;
if ( Acb_ObjFanoutNum(p, iFanin) > 1 )
continue;
if ( Acb_ObjFaninNum(p, iFanin) == nLutSize )
continue;
if ( (k2 = Acb_ObjFindFaninPushableIndex(p, iObj, k)) == -1 )
continue;
//printf( "Object %4d : Pushing fanin %d (%d) into fanin %d.\n", iObj, Acb_ObjFanin(p, iObj, k2), k2, iFanin );
Acb_ObjPushToFanin( p, iObj, k2, iFanin );
return 1;
}
if ( Acb_ObjFaninNum(p, iObj) == 2 && Acb_ObjFanoutNum(p, iObj) == 1 )
{
int iFanout = Acb_ObjFanout( p, iObj, 0 );
if ( !Acb_ObjIsCo(p, iFanout) && Acb_ObjFaninNum(p, iFanout) < nLutSize )
{
k2 = Acb_ObjFindFanoutPushableIndex( p, iObj );
//printf( "Object %4d : Pushing fanin %d (%d) into fanout %d.\n", iObj, Acb_ObjFanin(p, iObj, k2), k2, iFanout );
Acb_ObjPushToFanout( p, iObj, k2, iFanout );
return 1;
}
}
return 0;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Acb_NtkPushLogic( Acb_Ntk_t * p, int nLutSize, int fVerbose )
{
int n = 0, iObj, nNodes = Acb_NtkNodeNum(p), nPushes = 0;
Acb_NtkCreateFanout( p ); // fanout data structure
Acb_NtkForEachNodeSupp( p, iObj, 0 )
Acb_ObjRemoveConst( p, iObj );
Acb_NtkForEachNodeSupp( p, iObj, 1 )
Acb_ObjRemoveBufInv( p, iObj );
for ( n = 2; n <= nLutSize; n++ )
Acb_NtkForEachNodeSupp( p, iObj, n )
{
while ( Acb_ObjPushToFanins(p, iObj, nLutSize) )
nPushes++;
if ( Acb_ObjFaninNum(p, iObj) == 1 )
Acb_ObjRemoveBufInv( p, iObj );
}
printf( "Saved %d nodes after %d pushes.\n", nNodes - Acb_NtkNodeNum(p), nPushes );
}
/**Function*************************************************************
Synopsis [Pushing logic to the fanin.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Acb_NtkPushLogic2( Acb_Ntk_t * p, int nLutSize, int fVerbose )
{
int iObj;
Acb_NtkCreateFanout( p ); // fanout data structure
Acb_NtkForEachObj( p, iObj )
if ( !Acb_ObjIsCio(p, iObj) )
break;
Acb_ObjPushToFanout( p, iObj, Acb_ObjFaninNum(p, iObj)-1, Acb_ObjFanout(p, iObj, 0) );
// Acb_ObjPushToFanin( p, Acb_ObjFanout(p, iObj, 0), Acb_ObjFaninNum(p, iObj)-1, iObj );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END

View File

@ -3,5 +3,6 @@ SRC += src/base/acb/acbAbc.c \
src/base/acb/acbCom.c \
src/base/acb/acbFunc.c \
src/base/acb/acbMfs.c \
src/base/acb/acbPush.c \
src/base/acb/acbSets.c \
src/base/acb/acbUtil.c

View File

@ -325,7 +325,7 @@ extern int Wlc_NtkPdrAbs( Wlc_Ntk_t * p, Wlc_Par_t * pPars );
/*=== wlcAbs2.c ========================================================*/
extern int Wlc_NtkAbsCore2( Wlc_Ntk_t * p, Wlc_Par_t * pPars );
/*=== wlcBlast.c ========================================================*/
extern Gia_Man_t * Wlc_NtkBitBlast( Wlc_Ntk_t * p, Vec_Int_t * vBoxIds, int iOutput, int nRange, int fGiaSimple, int fAddOutputs, int fBooth, int fNoCleanup );
extern Gia_Man_t * Wlc_NtkBitBlast( Wlc_Ntk_t * p, Vec_Int_t * vBoxIds, int iOutput, int nRange, int fGiaSimple, int fAddOutputs, int fBooth, int fNoCleanup, int fCreateMiter );
/*=== wlcCom.c ========================================================*/
extern void Wlc_SetNtk( Abc_Frame_t * pAbc, Wlc_Ntk_t * pNtk );
/*=== wlcNtk.c ========================================================*/

View File

@ -320,7 +320,7 @@ static Vec_Int_t * Wlc_NtkGetCoreSels( Gia_Man_t * pFrames, int nFrames, int fir
static Gia_Man_t * Wlc_NtkUnrollWoCex(Wlc_Ntk_t * pChoice, int nFrames, int first_sel_pi, int num_sel_pis)
{
Gia_Man_t * pGiaChoice = Wlc_NtkBitBlast( pChoice, NULL, -1, 0, 0, 0, 0, 0 );
Gia_Man_t * pGiaChoice = Wlc_NtkBitBlast( pChoice, NULL, -1, 0, 0, 0, 0, 0, 0 );
Gia_Man_t * pFrames = NULL, * pGia;
Gia_Obj_t * pObj, * pObjRi;
int f, i;
@ -366,7 +366,7 @@ static Gia_Man_t * Wlc_NtkUnrollWoCex(Wlc_Ntk_t * pChoice, int nFrames, int firs
static Gia_Man_t * Wlc_NtkUnrollWithCex(Wlc_Ntk_t * pChoice, Abc_Cex_t * pCex, int nbits_old_pis, int num_sel_pis, int * p_num_ppis, int sel_pi_first, int fUsePPI)
{
Gia_Man_t * pGiaChoice = Wlc_NtkBitBlast( pChoice, NULL, -1, 0, 0, 0, 0, 0 );
Gia_Man_t * pGiaChoice = Wlc_NtkBitBlast( pChoice, NULL, -1, 0, 0, 0, 0, 0, 0 );
int nbits_new_pis = Wlc_NtkNumPiBits( pChoice );
int num_ppis = nbits_new_pis - nbits_old_pis - num_sel_pis;
int num_undc_pis = Gia_ManPiNum(pGiaChoice) - nbits_new_pis;
@ -560,7 +560,7 @@ Wlc_Ntk_t * Wlc_NtkIntroduceChoices( Wlc_Ntk_t * pNtk, Vec_Int_t * vBlacks, Vec_
static Abc_Cex_t * Wlc_NtkCexIsReal( Wlc_Ntk_t * pOrig, Abc_Cex_t * pCex )
{
Gia_Man_t * pGiaOrig = Wlc_NtkBitBlast( pOrig, NULL, -1, 0, 0, 0, 0, 0 );
Gia_Man_t * pGiaOrig = Wlc_NtkBitBlast( pOrig, NULL, -1, 0, 0, 0, 0, 0, 0 );
int f, i;
Gia_Obj_t * pObj, * pObjRi;
Abc_Cex_t * pCexReal = Abc_CexAlloc( Gia_ManRegNum(pGiaOrig), Gia_ManPiNum(pGiaOrig), pCex->iFrame + 1 );
@ -1401,7 +1401,7 @@ Aig_Man_t * Wla_ManBitBlast( Wla_Man_t * pWla, Wlc_Ntk_t * pAbs )
Gia_Man_t * pTemp;
Aig_Man_t * pAig;
pWla->pGia = Wlc_NtkBitBlast( pAbs, NULL, -1, 0, 0, 0, 0, 0 );
pWla->pGia = Wlc_NtkBitBlast( pAbs, NULL, -1, 0, 0, 0, 0, 0, 0 );
// if the abstraction has flops with DC-init state,
// new PIs were introduced by bit-blasting at the end of the PI list
@ -1829,7 +1829,7 @@ int Wlc_NtkAbsCore( Wlc_Ntk_t * p, Wlc_Par_t * pPars )
pAbs = Wlc_NtkAbs( p, pPars, vUnmark, &vPisNew, NULL, pPars->fVerbose );
}
pGia = Wlc_NtkBitBlast( pAbs, NULL, -1, 0, 0, 0, 0, 0 );
pGia = Wlc_NtkBitBlast( pAbs, NULL, -1, 0, 0, 0, 0, 0, 0 );
// if the abstraction has flops with DC-init state,
// new PIs were introduced by bit-blasting at the end of the PI list

View File

@ -328,7 +328,7 @@ int Wlc_NtkAbsCore2( Wlc_Ntk_t * p, Wlc_Par_t * pPars )
// get abstracted GIA and the set of pseudo-PIs (vPisNew)
pAbs = Wlc_NtkAbs( p, pPars, vUnmark, &vPisNew, pPars->fVerbose );
pGia = Wlc_NtkBitBlast( pAbs, NULL, -1, 0, 0, 0, 0, 0 );
pGia = Wlc_NtkBitBlast( pAbs, NULL, -1, 0, 0, 0, 0, 0, 0 );
// if the abstraction has flops with DC-init state,
// new PIs were introduced by bit-blasting at the end of the PI list

View File

@ -868,14 +868,14 @@ void Wlc_BlastBooth( Gia_Man_t * pNew, int * pArgA, int * pArgB, int nArgA, int
SeeAlso []
***********************************************************************/
Gia_Man_t * Wlc_NtkBitBlast( Wlc_Ntk_t * p, Vec_Int_t * vBoxIds, int iOutput, int nOutputRange, int fGiaSimple, int fAddOutputs, int fBooth, int fNoCleanup )
Gia_Man_t * Wlc_NtkBitBlast( Wlc_Ntk_t * p, Vec_Int_t * vBoxIds, int iOutput, int nOutputRange, int fGiaSimple, int fAddOutputs, int fBooth, int fNoCleanup, int fCreateMiter )
{
int fVerbose = 0;
int fUseOldMultiplierBlasting = 0;
int fSkipBitRange = 0;
Tim_Man_t * pManTime = NULL;
Gia_Man_t * pTemp, * pNew, * pExtra = NULL;
Wlc_Obj_t * pObj;
Wlc_Obj_t * pObj, * pObj2;
Vec_Int_t * vBits = &p->vBits, * vTemp0, * vTemp1, * vTemp2, * vRes, * vAddOutputs = NULL, * vAddObjs = NULL;
int nBits = Wlc_NtkPrepareBits( p );
int nRange, nRange0, nRange1, nRange2;
@ -1211,6 +1211,31 @@ Gia_Man_t * Wlc_NtkBitBlast( Wlc_Ntk_t * p, Vec_Int_t * vBoxIds, int iOutput, in
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
}
else if ( pObj->Type == WLC_OBJ_COMP_NOTEQU && Wlc_ObjFaninNum(pObj) > 2 )
{
// find the max range
int a, b, iRes = 1, nRangeMax = Abc_MaxInt( nRange0, nRange1 );
for ( k = 2; k < Wlc_ObjFaninNum(pObj); k++ )
nRangeMax = Abc_MaxInt( nRangeMax, Wlc_ObjRange( Wlc_NtkObj(p, Wlc_ObjFaninId(pObj, k)) ) );
// create pairwise distinct
for ( a = 0; a < Wlc_ObjFaninNum(pObj); a++ )
for ( b = a+1; b < Wlc_ObjFaninNum(pObj); b++ )
{
int nRange0 = Wlc_ObjRange( Wlc_NtkObj(p, Wlc_ObjFaninId(pObj, a)) );
int nRange1 = Wlc_ObjRange( Wlc_NtkObj(p, Wlc_ObjFaninId(pObj, b)) );
int * pFans0 = Vec_IntEntryP( vBits, Wlc_ObjCopy(p, Wlc_ObjFaninId(pObj, a)) );
int * pFans1 = Vec_IntEntryP( vBits, Wlc_ObjCopy(p, Wlc_ObjFaninId(pObj, b)) );
int * pArg0 = Wlc_VecLoadFanins( vTemp0, pFans0, nRange0, nRangeMax, 0 );
int * pArg1 = Wlc_VecLoadFanins( vTemp1, pFans1, nRange1, nRangeMax, 0 );
int iLit = 0;
for ( k = 0; k < nRangeMax; k++ )
iLit = Gia_ManHashOr( pNew, iLit, Gia_ManHashXor(pNew, pArg0[k], pArg1[k]) );
iRes = Gia_ManHashAnd( pNew, iRes, iLit );
}
Vec_IntFill( vRes, 1, iRes );
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
}
else if ( pObj->Type == WLC_OBJ_COMP_EQU || pObj->Type == WLC_OBJ_COMP_NOTEQU )
{
int iLit = 0, nRangeMax = Abc_MaxInt( nRange0, nRange1 );
@ -1363,38 +1388,91 @@ Gia_Man_t * Wlc_NtkBitBlast( Wlc_Ntk_t * p, Vec_Int_t * vBoxIds, int iOutput, in
Vec_IntFree( vTemp2 );
Vec_IntFree( vRes );
// create COs
Wlc_NtkForEachCo( p, pObj, i )
if ( fCreateMiter )
{
// skip all outputs except the given ones
if ( iOutput >= 0 && (i < iOutput || i >= iOutput + nOutputRange) )
continue;
// create additional PO literals
if ( vAddOutputs && pObj->fIsFi )
int nPairs = 0, nBits = 0;
assert( Wlc_NtkPoNum(p) % 2 == 0 );
Wlc_NtkForEachCo( p, pObj, i )
{
Vec_IntForEachEntry( vAddOutputs, iLit, k )
Gia_ManAppendCo( pNew, iLit );
printf( "Created %d additional POs for %d interesting internal word-level variables.\n", Vec_IntSize(vAddOutputs), Vec_IntSize(vAddObjs) );
Vec_IntFreeP( &vAddOutputs );
if ( pObj->fIsFi )
{
nRange = Wlc_ObjRange( pObj );
pFans0 = Vec_IntEntryP( vBits, Wlc_ObjCopy(p, Wlc_ObjId(p, pObj)) );
if ( Wlc_ObjRangeIsReversed(pObj) )
{
for ( k = 0; k < nRange; k++ )
Gia_ManAppendCo( pNew, pFans0[nRange-1-k] );
}
else
{
for ( k = 0; k < nRange; k++ )
Gia_ManAppendCo( pNew, pFans0[k] );
}
nFFins += nRange;
continue;
}
pObj2 = Wlc_NtkCo( p, ++i );
nRange1 = Wlc_ObjRange( pObj );
nRange2 = Wlc_ObjRange( pObj2 );
assert( nRange1 == nRange2 );
pFans1 = Vec_IntEntryP( vBits, Wlc_ObjCopy(p, Wlc_ObjId(p, pObj)) );
pFans2 = Vec_IntEntryP( vBits, Wlc_ObjCopy(p, Wlc_ObjId(p, pObj2)) );
if ( Wlc_ObjRangeIsReversed(pObj) )
{
for ( k = 0; k < nRange1; k++ )
{
Gia_ManAppendCo( pNew, pFans1[nRange1-1-k] );
Gia_ManAppendCo( pNew, pFans2[nRange2-1-k] );
}
}
else
{
for ( k = 0; k < nRange1; k++ )
{
Gia_ManAppendCo( pNew, pFans1[k] );
Gia_ManAppendCo( pNew, pFans2[k] );
}
}
nPairs++;
nBits += nRange1;
}
nRange = Wlc_ObjRange( pObj );
pFans0 = Vec_IntEntryP( vBits, Wlc_ObjCopy(p, Wlc_ObjId(p, pObj)) );
if ( fVerbose )
printf( "%s(%d) ", Wlc_ObjName(p, Wlc_ObjId(p, pObj)), Gia_ManCoNum(pNew) );
if ( Wlc_ObjRangeIsReversed(pObj) )
{
for ( k = 0; k < nRange; k++ )
Gia_ManAppendCo( pNew, pFans0[nRange-1-k] );
}
else
{
for ( k = 0; k < nRange; k++ )
Gia_ManAppendCo( pNew, pFans0[k] );
}
if ( pObj->fIsFi )
nFFins += nRange;
printf( "Derived a dual-output miter with %d pairs of bits belonging to %d pairs of word-level outputs.\n", nBits, nPairs );
}
else
{
Wlc_NtkForEachCo( p, pObj, i )
{
// skip all outputs except the given ones
if ( iOutput >= 0 && (i < iOutput || i >= iOutput + nOutputRange) )
continue;
// create additional PO literals
if ( vAddOutputs && pObj->fIsFi )
{
Vec_IntForEachEntry( vAddOutputs, iLit, k )
Gia_ManAppendCo( pNew, iLit );
printf( "Created %d additional POs for %d interesting internal word-level variables.\n", Vec_IntSize(vAddOutputs), Vec_IntSize(vAddObjs) );
Vec_IntFreeP( &vAddOutputs );
}
nRange = Wlc_ObjRange( pObj );
pFans0 = Vec_IntEntryP( vBits, Wlc_ObjCopy(p, Wlc_ObjId(p, pObj)) );
if ( fVerbose )
printf( "%s(%d) ", Wlc_ObjName(p, Wlc_ObjId(p, pObj)), Gia_ManCoNum(pNew) );
if ( Wlc_ObjRangeIsReversed(pObj) )
{
for ( k = 0; k < nRange; k++ )
Gia_ManAppendCo( pNew, pFans0[nRange-1-k] );
}
else
{
for ( k = 0; k < nRange; k++ )
Gia_ManAppendCo( pNew, pFans0[k] );
}
if ( pObj->fIsFi )
nFFins += nRange;
}
if ( fVerbose )
printf( "\n" );
}
if ( fVerbose )
printf( "\n" );
//Vec_IntErase( vBits );
//Vec_IntErase( &p->vCopies );
// set the number of registers

View File

@ -885,9 +885,9 @@ int Abc_CommandBlast( Abc_Frame_t * pAbc, int argc, char ** argv )
Wlc_Ntk_t * pNtk = Wlc_AbcGetNtk(pAbc);
Vec_Int_t * vBoxIds = NULL;
Gia_Man_t * pNew = NULL;
int c, iOutput = -1, nOutputRange = 2, fGiaSimple = 0, fAddOutputs = 0, fMulti = 0, fBooth = 0, fVerbose = 0;
int c, iOutput = -1, nOutputRange = 2, fGiaSimple = 0, fAddOutputs = 0, fMulti = 0, fBooth = 0, fCreateMiter = 0, fVerbose = 0;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "ORcombvh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "ORcombdvh" ) ) != EOF )
{
switch ( c )
{
@ -925,6 +925,9 @@ int Abc_CommandBlast( Abc_Frame_t * pAbc, int argc, char ** argv )
case 'b':
fBooth ^= 1;
break;
case 'd':
fCreateMiter ^= 1;
break;
case 'v':
fVerbose ^= 1;
break;
@ -951,7 +954,7 @@ int Abc_CommandBlast( Abc_Frame_t * pAbc, int argc, char ** argv )
return 0;
}
// transform
pNew = Wlc_NtkBitBlast( pNtk, vBoxIds, iOutput, nOutputRange, fGiaSimple, fAddOutputs, fBooth, 0 );
pNew = Wlc_NtkBitBlast( pNtk, vBoxIds, iOutput, nOutputRange, fGiaSimple, fAddOutputs, fBooth, 0, fCreateMiter );
Vec_IntFreeP( &vBoxIds );
if ( pNew == NULL )
{
@ -961,7 +964,7 @@ int Abc_CommandBlast( Abc_Frame_t * pAbc, int argc, char ** argv )
Abc_FrameUpdateGia( pAbc, pNew );
return 0;
usage:
Abc_Print( -2, "usage: %%blast [-OR num] [-combvh]\n" );
Abc_Print( -2, "usage: %%blast [-OR num] [-combdvh]\n" );
Abc_Print( -2, "\t performs bit-blasting of the word-level design\n" );
Abc_Print( -2, "\t-O num : zero-based index of the first word-level PO to bit-blast [default = %d]\n", iOutput );
Abc_Print( -2, "\t-R num : the total number of word-level POs to bit-blast [default = %d]\n", nOutputRange );
@ -969,6 +972,7 @@ usage:
Abc_Print( -2, "\t-o : toggle using additional POs on the word-level boundaries [default = %s]\n", fAddOutputs? "yes": "no" );
Abc_Print( -2, "\t-m : toggle creating boxes for all multipliers in the design [default = %s]\n", fMulti? "yes": "no" );
Abc_Print( -2, "\t-b : toggle generating radix-4 Booth multipliers [default = %s]\n", fBooth? "yes": "no" );
Abc_Print( -2, "\t-d : toggle creating dual-output miter [default = %s]\n", fCreateMiter? "yes": "no" );
Abc_Print( -2, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : print the command usage\n");
return 1;

View File

@ -210,7 +210,7 @@ Wlc_Ntk_t * Wlc_NtkGraftMulti( Wlc_Ntk_t * p, int fVerbose )
Gia_Obj_t * pObj;
Vec_Int_t * vObjsLHS = Wlc_NtkCollectObjs( p, 0, &nMultiLHS );
Vec_Int_t * vObjsRHS = Wlc_NtkCollectObjs( p, 1, &nMultiRHS );
Gia_Man_t * pGia = Wlc_NtkBitBlast( p, NULL, -1, 0, 0, 0, 0, 1 );
Gia_Man_t * pGia = Wlc_NtkBitBlast( p, NULL, -1, 0, 0, 0, 0, 1, 0 );
Vec_Mem_t * vTtMem = Vec_MemAlloc( nWords, 10 );
Vec_MemHashAlloc( vTtMem, 10000 );
@ -540,7 +540,7 @@ int Sbc_ManWlcNodes( Wlc_Ntk_t * pNtk, Gia_Man_t * p, Vec_Int_t * vGia2Out, int
void Sbc_ManDetectMultTest( Wlc_Ntk_t * pNtk, int fVerbose )
{
extern Vec_Int_t * Sdb_StoComputeCutsDetect( Gia_Man_t * pGia );
Gia_Man_t * p = Wlc_NtkBitBlast( pNtk, NULL, -1, 0, 0, 0, 0, 1 );
Gia_Man_t * p = Wlc_NtkBitBlast( pNtk, NULL, -1, 0, 0, 0, 0, 1, 0 );
Vec_Int_t * vIns, * vGia2Out;
int iObjFound = -1;
// Gia_Obj_t * pObj; int i;

View File

@ -331,7 +331,7 @@ static inline int Smt_PrsCreateNode( Wlc_Ntk_t * pNtk, int Type, int fSigned, in
Type == WLC_OBJ_LOGIC_OR || // 29: logic OR
Type == WLC_OBJ_LOGIC_XOR || // 30: logic XOR
Type == WLC_OBJ_COMP_EQU || // 31: compare equal
Type == WLC_OBJ_COMP_NOTEQU || // 32: compare not equal
// Type == WLC_OBJ_COMP_NOTEQU || // 32: compare not equal -- bug fix
Type == WLC_OBJ_COMP_LESS || // 33: compare less
Type == WLC_OBJ_COMP_MORE || // 34: compare more
Type == WLC_OBJ_COMP_LESSEQU || // 35: compare less or equal

View File

@ -1292,7 +1292,7 @@ void Io_ReadWordTest( char * pFileName )
return;
Wlc_WriteVer( pNtk, "test.v", 0, 0 );
pNew = Wlc_NtkBitBlast( pNtk, NULL, -1, 0, 0, 0, 0, 0 );
pNew = Wlc_NtkBitBlast( pNtk, NULL, -1, 0, 0, 0, 0, 0, 0 );
Gia_AigerWrite( pNew, "test.aig", 0, 0 );
Gia_ManStop( pNew );

View File

@ -129,7 +129,7 @@ Vec_Ptr_t * Wlc_NtkSimulate( Wlc_Ntk_t * p, Vec_Int_t * vNodes, int nWords, int
{
Gia_Obj_t * pObj;
Vec_Ptr_t * vOne, * vRes;
Gia_Man_t * pGia = Wlc_NtkBitBlast( p, NULL, -1, 0, 0, 0, 0, 0 );
Gia_Man_t * pGia = Wlc_NtkBitBlast( p, NULL, -1, 0, 0, 0, 0, 0, 0 );
Wlc_Obj_t * pWlcObj;
int f, i, k, w, nBits, Counter = 0;
// allocate simulation info for one timeframe

View File

@ -58,8 +58,8 @@ static DdNode * cuddBddPermuteRecur ARGS( ( DdManager * manager, DdHashTable * t
static DdNode * extraBddAndPermute( DdHashTable * table, DdManager * ddF, DdNode * bF, DdManager * ddG, DdNode * bG, int * pPermute );
// file "cuddUtils.c"
static void ddSupportStep(DdNode *f, int *support);
static void ddClearFlag(DdNode *f);
void ddSupportStep2(DdNode *f, int *support);
void ddClearFlag2(DdNode *f);
static DdNode* extraZddPrimes( DdManager *dd, DdNode* F );
@ -547,8 +547,8 @@ Extra_SupportArray(
support[i] = 0;
/* Compute support and clean up markers. */
ddSupportStep(Cudd_Regular(f),support);
ddClearFlag(Cudd_Regular(f));
ddSupportStep2(Cudd_Regular(f),support);
ddClearFlag2(Cudd_Regular(f));
return(support);
@ -584,9 +584,9 @@ Extra_VectorSupportArray(
/* Compute support and clean up markers. */
for ( i = 0; i < n; i++ )
ddSupportStep( Cudd_Regular(F[i]), support );
ddSupportStep2( Cudd_Regular(F[i]), support );
for ( i = 0; i < n; i++ )
ddClearFlag( Cudd_Regular(F[i]) );
ddClearFlag2( Cudd_Regular(F[i]) );
return support;
}
@ -782,8 +782,8 @@ DdNode * Extra_bddSupportNegativeCube( DdManager * dd, DdNode * f )
}
/* Compute support and clean up markers. */
ddSupportStep( Cudd_Regular( f ), support );
ddClearFlag( Cudd_Regular( f ) );
ddSupportStep2( Cudd_Regular( f ), support );
ddClearFlag2( Cudd_Regular( f ) );
/* Transform support from array to cube. */
do
@ -1689,8 +1689,8 @@ extraTransferPermuteRecur(
SeeAlso [ddClearFlag]
******************************************************************************/
static void
ddSupportStep(
void
ddSupportStep2(
DdNode * f,
int * support)
{
@ -1699,8 +1699,8 @@ ddSupportStep(
}
support[f->index] = 1;
ddSupportStep(cuddT(f),support);
ddSupportStep(Cudd_Regular(cuddE(f)),support);
ddSupportStep2(cuddT(f),support);
ddSupportStep2(Cudd_Regular(cuddE(f)),support);
/* Mark as visited. */
f->next = Cudd_Not(f->next);
return;
@ -1720,8 +1720,8 @@ ddSupportStep(
SeeAlso [ddSupportStep ddDagInt]
******************************************************************************/
static void
ddClearFlag(
void
ddClearFlag2(
DdNode * f)
{
if (!Cudd_IsComplement(f->next)) {
@ -1732,8 +1732,8 @@ ddClearFlag(
if (cuddIsConstant(f)) {
return;
}
ddClearFlag(cuddT(f));
ddClearFlag(Cudd_Regular(cuddE(f)));
ddClearFlag2(cuddT(f));
ddClearFlag2(Cudd_Regular(cuddE(f)));
return;
} /* end of ddClearFlag */

View File

@ -159,8 +159,8 @@ Iter 12 -> 3674160 Time = 70.48 sec
SeeAlso []
***********************************************************************/
static inline int Abc_DataHasBit( word * p, word i ) { return (p[(i)>>6] & (1<<((i) & 63))) > 0; }
static inline void Abc_DataXorBit( word * p, word i ) { p[(i)>>6] ^= (1<<((i) & 63)); }
static inline int Abc_DataHasBit( word * p, word i ) { return (p[(i)>>6] & (((word)1)<<((i) & 63))) > 0; }
static inline void Abc_DataXorBit( word * p, word i ) { p[(i)>>6] ^= (((word)1)<<((i) & 63)); }
static inline int Abc_DataGetCube( word w, int i ) { return (w >> (5*i)) & 31; }
static inline word Abc_DataXorCube( word w, int i, int c ) { return w ^ (((word)c) << (5*i)); }
static inline word Abc_CubeGenerateSign( char * pState )

View File

@ -298,8 +298,8 @@ void Abc_EnumPrint( Vec_Int_t * vGates, int i, int nVars )
SeeAlso []
***********************************************************************/
static inline int Abc_DataHasBit( word * p, word i ) { return (p[(i)>>6] & (1<<((i) & 63))) > 0; }
static inline void Abc_DataXorBit( word * p, word i ) { p[(i)>>6] ^= (1<<((i) & 63)); }
static inline int Abc_DataHasBit( word * p, word i ) { return (p[(i)>>6] & (((word)1)<<((i) & 63))) > 0; }
static inline void Abc_DataXorBit( word * p, word i ) { p[(i)>>6] ^= (((word)1)<<((i) & 63)); }
/**Function*************************************************************

View File

@ -312,16 +312,16 @@ static inline void Abc_Print( int level, const char * format, ... )
printf( "Warning: " );
}else{
if ( level == ABC_ERROR )
Gia_ManToBridgeText( stdout, strlen("Error: "), (unsigned char*)"Error: " );
Gia_ManToBridgeText( stdout, (int)strlen("Error: "), (unsigned char*)"Error: " );
else if ( level == ABC_WARNING )
Gia_ManToBridgeText( stdout, strlen("Warning: "), (unsigned char*)"Warning: " );
Gia_ManToBridgeText( stdout, (int)strlen("Warning: "), (unsigned char*)"Warning: " );
}
va_start( args, format );
if ( Abc_FrameIsBridgeMode() )
{
char * tmp = vnsprintf( format, args );
Gia_ManToBridgeText( stdout, strlen(tmp), (unsigned char*)tmp );
Gia_ManToBridgeText( stdout, (int)strlen(tmp), (unsigned char*)tmp );
free( tmp );
}
else

View File

@ -1378,6 +1378,13 @@ static inline void Abc_TtMoveVar( word * pF, int nVars, int * V2P, int * P2V, in
P2V[jVar] ^= P2V[iVar];
P2V[iVar] ^= P2V[jVar];
}
static inline word Abc_Tt6RemoveVar( word t, int iVar )
{
assert( !Abc_Tt6HasVar(t, iVar) );
while ( iVar < 5 )
t = Abc_Tt6SwapAdjacent( t, iVar++ );
return t;
}
/**Function*************************************************************
@ -2209,7 +2216,51 @@ static inline int Abc_Tt6EsopVerify( word t, int nVars )
/**Function*************************************************************
Synopsis [Check if the function is decomposable with the given pair.]
Synopsis [Check if the function is output-decomposable with the given var.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline int Abc_TtCheckOutAnd( word t, int i, word * pOut )
{
word c0 = Abc_Tt6Cofactor0( t, i );
word c1 = Abc_Tt6Cofactor1( t, i );
assert( c0 != c1 );
if ( c0 == 0 ) // F = i * G
{
if ( pOut ) *pOut = c1;
return 0;
}
if ( c1 == 0 ) // F = ~i * G
{
if ( pOut ) *pOut = c0;
return 1;
}
if ( ~c0 == 0 ) // F = ~i + G
{
if ( pOut ) *pOut = c1;
return 2;
}
if ( ~c1 == 0 ) // F = i + G
{
if ( pOut ) *pOut = c0;
return 3;
}
if ( c0 == ~c1 ) // F = i # G
{
if ( pOut ) *pOut = c0;
return 4;
}
return -1;
}
/**Function*************************************************************
Synopsis [Check if the function is input-decomposable with the given pair.]
Description []

View File

@ -120,7 +120,7 @@ static inline void Vec_SetAlloc_( Vec_Set_t * p, int nPageSize )
p->uPageMask = (unsigned)((1 << nPageSize) - 1);
p->nPagesAlloc = 256;
p->pPages = ABC_CALLOC( word *, p->nPagesAlloc );
p->pPages[0] = ABC_ALLOC( word, (1 << p->nPageSize) );
p->pPages[0] = ABC_ALLOC( word, (int)(((word)1) << p->nPageSize) );
p->pPages[0][0] = ~0;
p->pPages[0][1] = ~0;
Vec_SetWriteLimit( p->pPages[0], 2 );
@ -195,7 +195,7 @@ static inline double Vec_ReportMemory( Vec_Set_t * p )
{
double Mem = sizeof(Vec_Set_t);
Mem += p->nPagesAlloc * sizeof(void *);
Mem += sizeof(word) * (1 << p->nPageSize) * (1 + p->iPage);
Mem += sizeof(word) * (int)(((word)1) << p->nPageSize) * (1 + p->iPage);
return Mem;
}
@ -224,7 +224,7 @@ static inline int Vec_SetAppend( Vec_Set_t * p, int * pArray, int nSize )
p->nPagesAlloc *= 2;
}
if ( p->pPages[p->iPage] == NULL )
p->pPages[p->iPage] = ABC_ALLOC( word, (1 << p->nPageSize) );
p->pPages[p->iPage] = ABC_ALLOC( word, (int)(((word)1) << p->nPageSize) );
Vec_SetWriteLimit( p->pPages[p->iPage], 2 );
p->pPages[p->iPage][1] = ~0;
}
@ -252,7 +252,7 @@ static inline void * Vec_SetFetch( Vec_Set_t * p, int nBytes )
}
static inline char * Vec_SetStrsav( Vec_Set_t * p, char * pName )
{
char * pStr = (char *)Vec_SetFetch( p, strlen(pName) + 1 );
char * pStr = (char *)Vec_SetFetch( p, (int)strlen(pName) + 1 );
strcpy( pStr, pName );
return pStr;
}

View File

@ -671,7 +671,7 @@ static inline void Vec_StrPrintNumStar( Vec_Str_t * p, int Num, int nDigits )
***********************************************************************/
static inline void Vec_StrPrintStr( Vec_Str_t * p, const char * pStr )
{
int i, Length = strlen(pStr);
int i, Length = (int)strlen(pStr);
for ( i = 0; i < Length; i++ )
Vec_StrPush( p, pStr[i] );
}

View File

@ -195,7 +195,8 @@ int Fxch_SCHashTableInsert( Fxch_SCHashTable_t* pSCHashTable,
}
else if ( pBin->Size == pBin->Cap )
{
pBin->Cap = 2 * pBin->Size;
assert(pBin->Cap <= 0xAAAA);
pBin->Cap = ( pBin->Cap >> 1 ) * 3;
pBin->vSCData = ABC_REALLOC( Fxch_SubCube_t, pBin->vSCData, pBin->Cap );
}

View File

@ -199,8 +199,8 @@ static inline void Sat_MemAlloc_( Sat_Mem_t * p, int nPageSize )
p->uPageMask = (unsigned)((1 << nPageSize) - 1);
p->nPagesAlloc = 256;
p->pPages = ABC_CALLOC( int *, p->nPagesAlloc );
p->pPages[0] = ABC_ALLOC( int, (1 << p->nPageSize) );
p->pPages[1] = ABC_ALLOC( int, (1 << p->nPageSize) );
p->pPages[0] = ABC_ALLOC( int, (int)(((word)1) << p->nPageSize) );
p->pPages[1] = ABC_ALLOC( int, (int)(((word)1) << p->nPageSize) );
p->iPage[0] = 0;
p->iPage[1] = 1;
Sat_MemWriteLimit( p->pPages[0], 2 );
@ -315,7 +315,7 @@ static inline int Sat_MemAppend( Sat_Mem_t * p, int * pArray, int nSize, int lrn
p->nPagesAlloc *= 2;
}
if ( p->pPages[p->iPage[lrn]] == NULL )
p->pPages[p->iPage[lrn]] = ABC_ALLOC( int, (1 << p->nPageSize) );
p->pPages[p->iPage[lrn]] = ABC_ALLOC( int, (int)(((word)1) << p->nPageSize) );
pPage = p->pPages[p->iPage[lrn]];
Sat_MemWriteLimit( pPage, 2 );
}