mirror of https://github.com/YosysHQ/abc.git
1070 lines
43 KiB
C
1070 lines
43 KiB
C
/**CFile****************************************************************
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FileName [cbaBlast.c]
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SystemName [ABC: Logic synthesis and verification system.]
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PackageName [Hierarchical word-level netlist.]
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Synopsis [Collapsing word-level design.]
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Author [Alan Mishchenko]
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Affiliation [UC Berkeley]
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Date [Ver. 1.0. Started - July 21, 2015.]
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Revision [$Id: cbaBlast.c,v 1.00 2014/11/29 00:00:00 alanmi Exp $]
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***********************************************************************/
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#include "cba.h"
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#include "base/abc/abc.h"
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#include "map/mio/mio.h"
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#include "bool/dec/dec.h"
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#include "base/main/mainInt.h"
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ABC_NAMESPACE_IMPL_START
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////////////////////////////////////////////////////////////////////////
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/// DECLARATIONS ///
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////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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/// FUNCTION DEFINITIONS ///
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////////////////////////////////////////////////////////////////////////
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/**Function*************************************************************
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Synopsis [Helper functions.]
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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int Cba_NtkPrepareBits( Cba_Ntk_t * p )
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{
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int i, nBits = 0;
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Cba_NtkCleanFonCopies( p );
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Cba_NtkForEachFon( p, i )
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{
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Cba_FonSetCopy( p, i, nBits );
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nBits += Cba_FonRangeSize( p, i );
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}
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return nBits;
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}
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int * Cba_VecCopy( Vec_Int_t * vOut, int * pArray, int nSize )
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{
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int i; Vec_IntClear( vOut );
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for( i = 0; i < nSize; i++)
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Vec_IntPush( vOut, pArray[i] );
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return Vec_IntArray( vOut );
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}
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int Cba_ReadHexDigit( char HexChar )
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{
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if ( HexChar >= '0' && HexChar <= '9' )
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return HexChar - '0';
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if ( HexChar >= 'A' && HexChar <= 'F' )
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return HexChar - 'A' + 10;
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if ( HexChar >= 'a' && HexChar <= 'f' )
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return HexChar - 'a' + 10;
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assert( 0 ); // not a hexadecimal symbol
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return -1; // return value which makes no sense
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}
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void Cba_BlastConst( Cba_Ntk_t * p, Vec_Int_t * vOut, int iFon, int nTotal, int fSigned )
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{
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char * pConst = Cba_NtkConst(p, Cba_FonConst(iFon));
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char * pLimit = pConst + strlen(pConst);
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int i, Number, nBits = atoi( pConst );
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assert( nBits <= nTotal );
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while ( *pConst >= '0' && *pConst <= '9' )
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pConst++;
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assert( *pConst == '\'' );
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pConst++;
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if ( *pConst == 's' ) // assume signedness is already used in setting fSigned
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pConst++;
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Vec_IntClear( vOut );
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if ( *pConst == 'b' )
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{
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while ( --pLimit > pConst )
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Vec_IntPush( vOut, *pLimit == '0' ? 0 : 1 );
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}
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else if ( *pConst == 'h' )
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{
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while ( --pLimit > pConst )
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{
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Number = Cba_ReadHexDigit( *pLimit );
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for ( i = 0; i < 4; i++ )
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Vec_IntPush( vOut, (Number >> i) & 1 );
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}
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if ( Vec_IntSize(vOut) > nTotal )
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Vec_IntShrink( vOut, nTotal );
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}
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else if ( *pConst == 'd' )
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{
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Number = atoi( pConst+1 );
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assert( Number <= 0x7FFFFFFF );
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for ( i = 0; i < 32; i++ )
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Vec_IntPush( vOut, (Number >> i) & 1 );
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if ( Vec_IntSize(vOut) > nTotal )
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Vec_IntShrink( vOut, nTotal );
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}
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else assert( 0 );
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if ( fSigned && Vec_IntSize(vOut) < nTotal )
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Vec_IntFillExtra( vOut, nTotal - Vec_IntSize(vOut), Vec_IntEntryLast(vOut) );
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}
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int * Cba_VecLoadFanins( Cba_Ntk_t * p, Vec_Int_t * vOut, int iFon, int * pFanins, int nFanins, int nTotal, int fSigned )
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{
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assert( nFanins <= nTotal );
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if ( Cba_FonIsReal(iFon) )
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{
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int i, Fill = fSigned ? pFanins[nFanins-1] : 0;
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Vec_IntClear( vOut );
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for( i = 0; i < nTotal; i++)
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Vec_IntPush( vOut, i < nFanins ? pFanins[i] : Fill );
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}
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else if ( Cba_FonIsConst(iFon) )
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Cba_BlastConst( p, vOut, iFon, nTotal, fSigned );
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else if ( iFon == 0 ) // undriven input
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Vec_IntFill( vOut, nTotal, 0 );
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else assert( 0 );
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assert( Vec_IntSize(vOut) == nTotal );
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return Vec_IntArray( vOut );
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}
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int Cba_NtkMuxTree_rec( Gia_Man_t * pNew, int * pCtrl, int nCtrl, Vec_Int_t * vData, int Shift )
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{
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int iLit0, iLit1;
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if ( nCtrl == 0 )
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return Vec_IntEntry( vData, Shift );
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iLit0 = Cba_NtkMuxTree_rec( pNew, pCtrl, nCtrl-1, vData, Shift );
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iLit1 = Cba_NtkMuxTree_rec( pNew, pCtrl, nCtrl-1, vData, Shift + (1<<(nCtrl-1)) );
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return Gia_ManHashMux( pNew, pCtrl[nCtrl-1], iLit1, iLit0 );
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}
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/**Function*************************************************************
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Synopsis [Bit blasting for specific operations.]
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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void Cba_BlastShiftRight( Gia_Man_t * pNew, int * pNum, int nNum, int * pShift, int nShift, int fSticky, Vec_Int_t * vRes )
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{
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int * pRes = Cba_VecCopy( vRes, pNum, nNum );
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int Fill = fSticky ? pNum[nNum-1] : 0;
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int i, j, fShort = 0;
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if ( nShift > 32 )
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nShift = 32;
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assert( nShift <= 32 );
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for( i = 0; i < nShift; i++ )
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for( j = 0; j < nNum - fSticky; j++ )
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{
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if( fShort || j + (1<<i) >= nNum )
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{
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pRes[j] = Gia_ManHashMux( pNew, pShift[i], Fill, pRes[j] );
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if ( (1<<i) > nNum )
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fShort = 1;
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}
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else
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pRes[j] = Gia_ManHashMux( pNew, pShift[i], pRes[j+(1<<i)], pRes[j] );
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}
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}
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void Cba_BlastShiftLeft( Gia_Man_t * pNew, int * pNum, int nNum, int * pShift, int nShift, int fSticky, Vec_Int_t * vRes )
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{
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int * pRes = Cba_VecCopy( vRes, pNum, nNum );
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int Fill = fSticky ? pNum[0] : 0;
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int i, j, fShort = 0;
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if ( nShift > 32 )
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nShift = 32;
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assert( nShift <= 32 );
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for( i = 0; i < nShift; i++ )
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for( j = nNum-1; j >= fSticky; j-- )
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{
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if( fShort || (1<<i) > j )
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{
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pRes[j] = Gia_ManHashMux( pNew, pShift[i], Fill, pRes[j] );
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if ( (1<<i) > nNum )
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fShort = 1;
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}
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else
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pRes[j] = Gia_ManHashMux( pNew, pShift[i], pRes[j-(1<<i)], pRes[j] );
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}
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}
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void Cba_BlastRotateRight( Gia_Man_t * pNew, int * pNum, int nNum, int * pShift, int nShift, Vec_Int_t * vRes )
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{
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int * pRes = Cba_VecCopy( vRes, pNum, nNum );
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int i, j, * pTemp = ABC_ALLOC( int, nNum );
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assert( nShift <= 32 );
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for( i = 0; i < nShift; i++, pRes = Cba_VecCopy(vRes, pTemp, nNum) )
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for( j = 0; j < nNum; j++ )
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pTemp[j] = Gia_ManHashMux( pNew, pShift[i], pRes[(j+(1<<i))%nNum], pRes[j] );
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ABC_FREE( pTemp );
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}
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void Cba_BlastRotateLeft( Gia_Man_t * pNew, int * pNum, int nNum, int * pShift, int nShift, Vec_Int_t * vRes )
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{
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int * pRes = Cba_VecCopy( vRes, pNum, nNum );
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int i, j, * pTemp = ABC_ALLOC( int, nNum );
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assert( nShift <= 32 );
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for( i = 0; i < nShift; i++, pRes = Cba_VecCopy(vRes, pTemp, nNum) )
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for( j = 0; j < nNum; j++ )
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{
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int move = (j >= (1<<i)) ? (j-(1<<i))%nNum : (nNum - (((1<<i)-j)%nNum)) % nNum;
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pTemp[j] = Gia_ManHashMux( pNew, pShift[i], pRes[move], pRes[j] );
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// pTemp[j] = Gia_ManHashMux( pNew, pShift[i], pRes[((unsigned)(nNum-(1<<i)+j))%nNum], pRes[j] );
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}
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ABC_FREE( pTemp );
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}
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int Cba_BlastReduction( Gia_Man_t * pNew, int * pFans, int nFans, int Type )
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{
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if ( Type == CBA_BOX_RAND )
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{
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int k, iLit = 1;
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for ( k = 0; k < nFans; k++ )
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iLit = Gia_ManHashAnd( pNew, iLit, pFans[k] );
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return iLit;
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}
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if ( Type == CBA_BOX_ROR )
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{
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int k, iLit = 0;
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for ( k = 0; k < nFans; k++ )
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iLit = Gia_ManHashOr( pNew, iLit, pFans[k] );
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return iLit;
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}
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if ( Type == CBA_BOX_RXOR )
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{
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int k, iLit = 0;
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for ( k = 0; k < nFans; k++ )
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iLit = Gia_ManHashXor( pNew, iLit, pFans[k] );
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return iLit;
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}
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assert( 0 );
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return -1;
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}
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int Cba_BlastLess2( Gia_Man_t * pNew, int * pArg0, int * pArg1, int nBits )
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{
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int k, iKnown = 0, iRes = 0;
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for ( k = nBits - 1; k >= 0; k-- )
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{
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iRes = Gia_ManHashMux( pNew, iKnown, iRes, Gia_ManHashAnd(pNew, Abc_LitNot(pArg0[k]), pArg1[k]) );
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iKnown = Gia_ManHashOr( pNew, iKnown, Gia_ManHashXor(pNew, pArg0[k], pArg1[k]) );
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if ( iKnown == 1 )
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break;
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}
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return iRes;
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}
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void Cba_BlastLess_rec( Gia_Man_t * pNew, int * pArg0, int * pArg1, int nBits, int * pYes, int * pNo )
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{
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if ( nBits > 1 )
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{
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int Yes = Gia_ManHashAnd( pNew, Abc_LitNot(pArg0[nBits-1]), pArg1[nBits-1] ), YesR;
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int No = Gia_ManHashAnd( pNew, Abc_LitNot(pArg1[nBits-1]), pArg0[nBits-1] ), NoR;
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if ( Yes == 1 || No == 1 )
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{
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*pYes = Yes;
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*pNo = No;
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return;
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}
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Cba_BlastLess_rec( pNew, pArg0, pArg1, nBits-1, &YesR, &NoR );
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*pYes = Gia_ManHashOr( pNew, Yes, Gia_ManHashAnd(pNew, Abc_LitNot(No), YesR) );
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*pNo = Gia_ManHashOr( pNew, No, Gia_ManHashAnd(pNew, Abc_LitNot(Yes), NoR ) );
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return;
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}
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assert( nBits == 1 );
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*pYes = Gia_ManHashAnd( pNew, Abc_LitNot(pArg0[0]), pArg1[0] );
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*pNo = Gia_ManHashAnd( pNew, Abc_LitNot(pArg1[0]), pArg0[0] );
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}
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int Cba_BlastLess( Gia_Man_t * pNew, int * pArg0, int * pArg1, int nBits )
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{
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int Yes, No;
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if ( nBits == 0 )
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return 0;
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Cba_BlastLess_rec( pNew, pArg0, pArg1, nBits, &Yes, &No );
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return Yes;
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}
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int Cba_BlastLessSigned( Gia_Man_t * pNew, int * pArg0, int * pArg1, int nBits )
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{
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int iDiffSign = Gia_ManHashXor( pNew, pArg0[nBits-1], pArg1[nBits-1] );
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return Gia_ManHashMux( pNew, iDiffSign, pArg0[nBits-1], Cba_BlastLess(pNew, pArg0, pArg1, nBits-1) );
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}
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void Cba_BlastFullAdder( Gia_Man_t * pNew, int a, int b, int c, int * pc, int * ps )
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{
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int fUseXor = 0;
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if ( fUseXor )
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{
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int Xor = Gia_ManHashXor(pNew, a, b);
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int And1 = Gia_ManHashAnd(pNew, a, b);
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int And2 = Gia_ManHashAnd(pNew, c, Xor);
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*ps = Gia_ManHashXor(pNew, c, Xor);
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*pc = Gia_ManHashOr (pNew, And1, And2);
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}
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else
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{
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int And1 = Gia_ManHashAnd(pNew, a, b);
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int And1_= Gia_ManHashAnd(pNew, Abc_LitNot(a), Abc_LitNot(b));
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int Xor = Abc_LitNot(Gia_ManHashOr(pNew, And1, And1_));
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int And2 = Gia_ManHashAnd(pNew, c, Xor);
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int And2_= Gia_ManHashAnd(pNew, Abc_LitNot(c), Abc_LitNot(Xor));
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*ps = Abc_LitNot(Gia_ManHashOr(pNew, And2, And2_));
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*pc = Gia_ManHashOr (pNew, And1, And2);
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}
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}
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int Cba_BlastAdder( Gia_Man_t * pNew, int Carry, int * pAdd0, int * pAdd1, int nBits ) // result is in pAdd0
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{
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int b;
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for ( b = 0; b < nBits; b++ )
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Cba_BlastFullAdder( pNew, pAdd0[b], pAdd1[b], Carry, &Carry, &pAdd0[b] );
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return Carry;
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}
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void Cba_BlastSubtract( Gia_Man_t * pNew, int * pAdd0, int * pAdd1, int nBits ) // result is in pAdd0
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{
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int b, Carry = 1;
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for ( b = 0; b < nBits; b++ )
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Cba_BlastFullAdder( pNew, pAdd0[b], Abc_LitNot(pAdd1[b]), Carry, &Carry, &pAdd0[b] );
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}
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void Cba_BlastMinus( Gia_Man_t * pNew, int * pNum, int nNum, Vec_Int_t * vRes )
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{
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int * pRes = Cba_VecCopy( vRes, pNum, nNum );
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int i, invert = 0;
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for ( i = 0; i < nNum; i++ )
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{
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pRes[i] = Gia_ManHashMux( pNew, invert, Abc_LitNot(pRes[i]), pRes[i] );
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invert = Gia_ManHashOr( pNew, invert, pNum[i] );
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}
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}
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void Cba_BlastMultiplier2( Gia_Man_t * pNew, int * pArg0, int * pArg1, int nBits, Vec_Int_t * vTemp, Vec_Int_t * vRes )
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{
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int i, j;
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Vec_IntFill( vRes, nBits, 0 );
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for ( i = 0; i < nBits; i++ )
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{
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Vec_IntFill( vTemp, i, 0 );
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for ( j = 0; Vec_IntSize(vTemp) < nBits; j++ )
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Vec_IntPush( vTemp, Gia_ManHashAnd(pNew, pArg0[j], pArg1[i]) );
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assert( Vec_IntSize(vTemp) == nBits );
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Cba_BlastAdder( pNew, 0, Vec_IntArray(vRes), Vec_IntArray(vTemp), nBits );
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}
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}
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void Cba_BlastFullAdderCtrl( Gia_Man_t * pNew, int a, int ac, int b, int c, int * pc, int * ps, int fNeg )
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{
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int And = Abc_LitNotCond( Gia_ManHashAnd(pNew, a, ac), fNeg );
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Cba_BlastFullAdder( pNew, And, b, c, pc, ps );
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}
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void Cba_BlastFullAdderSubtr( Gia_Man_t * pNew, int a, int b, int c, int * pc, int * ps, int fSub )
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{
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Cba_BlastFullAdder( pNew, Gia_ManHashXor(pNew, a, fSub), b, c, pc, ps );
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}
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void Cba_BlastMultiplier( Gia_Man_t * pNew, int * pArgA, int * pArgB, int nArgA, int nArgB, Vec_Int_t * vTemp, Vec_Int_t * vRes, int fSigned )
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{
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int * pRes, * pArgC, * pArgS, a, b, Carry = fSigned;
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assert( nArgA > 0 && nArgB > 0 );
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assert( fSigned == 0 || fSigned == 1 );
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// prepare result
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Vec_IntFill( vRes, nArgA + nArgB, 0 );
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pRes = Vec_IntArray( vRes );
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// prepare intermediate storage
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Vec_IntFill( vTemp, 2 * nArgA, 0 );
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pArgC = Vec_IntArray( vTemp );
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pArgS = pArgC + nArgA;
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// create matrix
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for ( b = 0; b < nArgB; b++ )
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for ( a = 0; a < nArgA; a++ )
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Cba_BlastFullAdderCtrl( pNew, pArgA[a], pArgB[b], pArgS[a], pArgC[a],
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&pArgC[a], a ? &pArgS[a-1] : &pRes[b], fSigned && ((a+1 == nArgA) ^ (b+1 == nArgB)) );
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// final addition
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pArgS[nArgA-1] = fSigned;
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for ( a = 0; a < nArgA; a++ )
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Cba_BlastFullAdderCtrl( pNew, 1, pArgC[a], pArgS[a], Carry, &Carry, &pRes[nArgB+a], 0 );
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}
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void Cba_BlastDivider( Gia_Man_t * pNew, int * pNum, int nNum, int * pDiv, int nDiv, int fQuo, Vec_Int_t * vRes )
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{
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int * pRes = Cba_VecCopy( vRes, pNum, nNum );
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int * pQuo = ABC_ALLOC( int, nNum );
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int * pTemp = ABC_ALLOC( int, nNum );
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int i, j, known, borrow, y_bit, top_bit;
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assert( nNum == nDiv );
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for ( j = nNum - 1; j >= 0; j-- )
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{
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known = 0;
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for ( i = nNum - 1; i > nNum - 1 - j; i-- )
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{
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known = Gia_ManHashOr( pNew, known, pDiv[i] );
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if( known == 1 )
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break;
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}
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pQuo[j] = known;
|
|
for ( i = nNum - 1; i >= 0; i-- )
|
|
{
|
|
if ( known == 1 )
|
|
break;
|
|
y_bit = (i >= j) ? pDiv[i-j] : 0;
|
|
pQuo[j] = Gia_ManHashMux( pNew, known, pQuo[j], Gia_ManHashAnd( pNew, y_bit, Abc_LitNot(pRes[i]) ) );
|
|
known = Gia_ManHashOr( pNew, known, Gia_ManHashXor(pNew, y_bit, pRes[i]));
|
|
}
|
|
pQuo[j] = Abc_LitNot(pQuo[j]);
|
|
if ( pQuo[j] == 0 )
|
|
continue;
|
|
borrow = 0;
|
|
for ( i = 0; i < nNum; i++ )
|
|
{
|
|
top_bit = Gia_ManHashMux( pNew, borrow, Abc_LitNot(pRes[i]), pRes[i] );
|
|
y_bit = (i >= j) ? pDiv[i-j] : 0;
|
|
borrow = Gia_ManHashMux( pNew, pRes[i], Gia_ManHashAnd(pNew, borrow, y_bit), Gia_ManHashOr(pNew, borrow, y_bit) );
|
|
pTemp[i] = Gia_ManHashXor( pNew, top_bit, y_bit );
|
|
}
|
|
if ( pQuo[j] == 1 )
|
|
Cba_VecCopy( vRes, pTemp, nNum );
|
|
else
|
|
for( i = 0; i < nNum; i++ )
|
|
pRes[i] = Gia_ManHashMux( pNew, pQuo[j], pTemp[i], pRes[i] );
|
|
}
|
|
ABC_FREE( pTemp );
|
|
if ( fQuo )
|
|
Cba_VecCopy( vRes, pQuo, nNum );
|
|
ABC_FREE( pQuo );
|
|
}
|
|
// non-restoring divider
|
|
void Cba_BlastDivider2( Gia_Man_t * pNew, int * pNum, int nNum, int * pDiv, int nDiv, int fQuo, Vec_Int_t * vRes )
|
|
{
|
|
int i, * pRes = Vec_IntArray(vRes);
|
|
int k, * pQuo = ABC_ALLOC( int, nNum );
|
|
assert( nNum > 0 && nDiv > 0 );
|
|
assert( Vec_IntSize(vRes) < nNum + nDiv );
|
|
for ( i = 0; i < nNum + nDiv; i++ )
|
|
pRes[i] = i < nNum ? pNum[i] : 0;
|
|
for ( i = nNum-1; i >= 0; i-- )
|
|
{
|
|
int Cntrl = i == nNum-1 ? 1 : pQuo[i+1];
|
|
int Carry = Cntrl;
|
|
for ( k = 0; k <= nDiv; k++ )
|
|
Cba_BlastFullAdderSubtr( pNew, k < nDiv ? pDiv[k] : 0, pRes[i+k], Carry, &Carry, &pRes[i+k], Cntrl );
|
|
pQuo[i] = Abc_LitNot(pRes[i+nDiv]);
|
|
}
|
|
if ( fQuo )
|
|
Cba_VecCopy( vRes, pQuo, nNum );
|
|
else
|
|
{
|
|
int Carry = 0, Temp;
|
|
for ( k = 0; k < nDiv; k++ )
|
|
{
|
|
Cba_BlastFullAdder( pNew, pDiv[k], pRes[k], Carry, &Carry, &Temp );
|
|
pRes[k] = Gia_ManHashMux( pNew, pQuo[0], pRes[k], Temp );
|
|
}
|
|
Vec_IntShrink( vRes, nDiv );
|
|
}
|
|
ABC_FREE( pQuo );
|
|
}
|
|
void Cba_BlastDividerSigned( Gia_Man_t * pNew, int * pNum, int nNum, int * pDiv, int nDiv, int fQuo, Vec_Int_t * vRes )
|
|
{
|
|
Vec_Int_t * vNum = Vec_IntAlloc( nNum );
|
|
Vec_Int_t * vDiv = Vec_IntAlloc( nDiv );
|
|
Vec_Int_t * vRes00 = Vec_IntAlloc( nNum + nDiv );
|
|
Vec_Int_t * vRes01 = Vec_IntAlloc( nNum + nDiv );
|
|
Vec_Int_t * vRes10 = Vec_IntAlloc( nNum + nDiv );
|
|
Vec_Int_t * vRes11 = Vec_IntAlloc( nNum + nDiv );
|
|
Vec_Int_t * vRes2 = Vec_IntAlloc( nNum );
|
|
int k, iDiffSign = Gia_ManHashXor( pNew, pNum[nNum-1], pDiv[nDiv-1] );
|
|
Cba_BlastMinus( pNew, pNum, nNum, vNum );
|
|
Cba_BlastMinus( pNew, pDiv, nDiv, vDiv );
|
|
Cba_BlastDivider( pNew, pNum, nNum, pDiv, nDiv, fQuo, vRes00 );
|
|
Cba_BlastDivider( pNew, pNum, nNum, Vec_IntArray(vDiv), nDiv, fQuo, vRes01 );
|
|
Cba_BlastDivider( pNew, Vec_IntArray(vNum), nNum, pDiv, nDiv, fQuo, vRes10 );
|
|
Cba_BlastDivider( pNew, Vec_IntArray(vNum), nNum, Vec_IntArray(vDiv), nDiv, fQuo, vRes11 );
|
|
Vec_IntClear( vRes );
|
|
for ( k = 0; k < nNum; k++ )
|
|
{
|
|
int Data0 = Gia_ManHashMux( pNew, pDiv[nDiv-1], Vec_IntEntry(vRes01,k), Vec_IntEntry(vRes00,k) );
|
|
int Data1 = Gia_ManHashMux( pNew, pDiv[nDiv-1], Vec_IntEntry(vRes11,k), Vec_IntEntry(vRes10,k) );
|
|
Vec_IntPush( vRes, Gia_ManHashMux(pNew, pNum[nNum-1], Data1, Data0) );
|
|
}
|
|
Cba_BlastMinus( pNew, Vec_IntArray(vRes), nNum, vRes2 );
|
|
for ( k = 0; k < nNum; k++ )
|
|
Vec_IntWriteEntry( vRes, k, Gia_ManHashMux(pNew, fQuo ? iDiffSign : pNum[nNum-1], Vec_IntEntry(vRes2,k), Vec_IntEntry(vRes,k)) );
|
|
Vec_IntFree( vNum );
|
|
Vec_IntFree( vDiv );
|
|
Vec_IntFree( vRes00 );
|
|
Vec_IntFree( vRes01 );
|
|
Vec_IntFree( vRes10 );
|
|
Vec_IntFree( vRes11 );
|
|
Vec_IntFree( vRes2 );
|
|
assert( Vec_IntSize(vRes) == nNum );
|
|
}
|
|
void Cba_BlastZeroCondition( Gia_Man_t * pNew, int * pDiv, int nDiv, Vec_Int_t * vRes )
|
|
{
|
|
int i, Entry, iLit = Cba_BlastReduction( pNew, pDiv, nDiv, CBA_BOX_ROR );
|
|
Vec_IntForEachEntry( vRes, Entry, i )
|
|
Vec_IntWriteEntry( vRes, i, Gia_ManHashAnd(pNew, iLit, Entry) );
|
|
}
|
|
void Cba_BlastTable( Gia_Man_t * pNew, word * pTable, int * pFans, int nFans, int nOuts, Vec_Int_t * vRes )
|
|
{
|
|
extern int Kit_TruthToGia( Gia_Man_t * pMan, unsigned * pTruth, int nVars, Vec_Int_t * vMemory, Vec_Int_t * vLeaves, int fHash );
|
|
Vec_Int_t * vMemory = Vec_IntAlloc( 0 );
|
|
Vec_Int_t vLeaves = { nFans, nFans, pFans };
|
|
word * pTruth = ABC_ALLOC( word, Abc_TtWordNum(nFans) );
|
|
int o, i, m, iLit, nMints = (1 << nFans);
|
|
Vec_IntClear( vRes );
|
|
for ( o = 0; o < nOuts; o++ )
|
|
{
|
|
// derive truth table
|
|
memset( pTruth, 0, sizeof(word) * Abc_TtWordNum(nFans) );
|
|
for ( m = 0; m < nMints; m++ )
|
|
for ( i = 0; i < nFans; i++ )
|
|
if ( Abc_TtGetBit( pTable, m * nFans + i ) )
|
|
Abc_TtSetBit( pTruth, m );
|
|
// implement truth table
|
|
if ( nFans < 6 )
|
|
pTruth[0] = Abc_Tt6Stretch( pTruth[0], nFans );
|
|
iLit = Kit_TruthToGia( pNew, (unsigned *)pTruth, nFans, vMemory, &vLeaves, 1 );
|
|
Vec_IntPush( vRes, iLit );
|
|
}
|
|
Vec_IntFree( vMemory );
|
|
ABC_FREE( pTruth );
|
|
}
|
|
void Cba_BlastPower( Gia_Man_t * pNew, int * pNum, int nNum, int * pExp, int nExp, Vec_Int_t * vTemp, Vec_Int_t * vRes )
|
|
{
|
|
Vec_Int_t * vDegrees = Vec_IntAlloc( 2*nNum );
|
|
Vec_Int_t * vResTemp = Vec_IntAlloc( 2*nNum );
|
|
int i, * pDegrees = NULL, * pRes = Vec_IntArray(vRes);
|
|
int k, * pResTemp = Vec_IntArray(vResTemp);
|
|
Vec_IntFill( vRes, nNum, 0 );
|
|
Vec_IntWriteEntry( vRes, 0, 1 );
|
|
for ( i = 0; i < nExp; i++ )
|
|
{
|
|
if ( i == 0 )
|
|
pDegrees = Cba_VecCopy( vDegrees, pNum, nNum );
|
|
else
|
|
{
|
|
Cba_BlastMultiplier2( pNew, pDegrees, pDegrees, nNum, vTemp, vResTemp );
|
|
pDegrees = Cba_VecCopy( vDegrees, pResTemp, nNum );
|
|
}
|
|
Cba_BlastMultiplier2( pNew, pRes, pDegrees, nNum, vTemp, vResTemp );
|
|
for ( k = 0; k < nNum; k++ )
|
|
pRes[k] = Gia_ManHashMux( pNew, pExp[i], pResTemp[k], pRes[k] );
|
|
}
|
|
Vec_IntFree( vResTemp );
|
|
Vec_IntFree( vDegrees );
|
|
}
|
|
void Cba_BlastSqrt( Gia_Man_t * pNew, int * pNum, int nNum, Vec_Int_t * vTmp, Vec_Int_t * vRes )
|
|
{
|
|
int * pRes, * pSum, * pSumP;
|
|
int i, k, Carry = -1;
|
|
assert( nNum % 2 == 0 );
|
|
Vec_IntFill( vRes, nNum/2, 0 );
|
|
Vec_IntFill( vTmp, 2*nNum, 0 );
|
|
pRes = Vec_IntArray( vRes );
|
|
pSum = Vec_IntArray( vTmp );
|
|
pSumP = pSum + nNum;
|
|
for ( i = 0; i < nNum/2; i++ )
|
|
{
|
|
pSumP[0] = pNum[nNum-2*i-2];
|
|
pSumP[1] = pNum[nNum-2*i-1];
|
|
for ( k = 0; k < i+1; k++ )
|
|
pSumP[k+2] = pSum[k];
|
|
for ( k = 0; k < i + 3; k++ )
|
|
{
|
|
if ( k >= 2 && k < i + 2 ) // middle ones
|
|
Cba_BlastFullAdder( pNew, pSumP[k], Abc_LitNot(pRes[i-k+1]), Carry, &Carry, &pSum[k] );
|
|
else
|
|
Cba_BlastFullAdder( pNew, pSumP[k], Abc_LitNot(k ? Carry:1), 1, &Carry, &pSum[k] );
|
|
if ( k == 0 || k > i )
|
|
Carry = Abc_LitNot(Carry);
|
|
}
|
|
pRes[i] = Abc_LitNot(Carry);
|
|
for ( k = 0; k < i + 3; k++ )
|
|
pSum[k] = Gia_ManHashMux( pNew, pRes[i], pSum[k], pSumP[k] );
|
|
}
|
|
Vec_IntReverseOrder( vRes );
|
|
}
|
|
|
|
/**Function*************************************************************
|
|
|
|
Synopsis []
|
|
|
|
Description []
|
|
|
|
SideEffects []
|
|
|
|
SeeAlso []
|
|
|
|
***********************************************************************/
|
|
Gia_Man_t * Cba_NtkBlast( Cba_Ntk_t * p, int fSeq )
|
|
{
|
|
int fUseOldMultiplierBlasting = 0;
|
|
Gia_Man_t * pTemp, * pNew;
|
|
Vec_Int_t * vTemp0, * vTemp1, * vTemp2, * vRes;
|
|
Vec_Str_t * vInit = fSeq ? Vec_StrAlloc(100) : NULL;
|
|
Vec_Int_t * vBits = &p->vFonBits;
|
|
int nBits = Cba_NtkPrepareBits( p );
|
|
int * pFans0, * pFans1, * pFans2;
|
|
int nRange, nRange0, nRange1, nRange2;
|
|
int Type, iFon, iFon0, iFon1, iFon2, fSigned01;
|
|
int i, k, b, iFin, iObj, iLit, nAndPrev;
|
|
Vec_IntClear( vBits );
|
|
Vec_IntGrow( vBits, nBits );
|
|
vTemp0 = Vec_IntAlloc( 1000 );
|
|
vTemp1 = Vec_IntAlloc( 1000 );
|
|
vTemp2 = Vec_IntAlloc( 1000 );
|
|
vRes = Vec_IntAlloc( 1000 );
|
|
// clean AND-gate counters
|
|
memset( p->pDesign->nAnds, 0, sizeof(int) * CBA_BOX_LAST );
|
|
// create AIG manager
|
|
pNew = Gia_ManStart( 5 * Cba_NtkObjNum(p) + 1000 );
|
|
pNew->pName = Abc_UtilStrsav( Cba_ManName(p->pDesign) );
|
|
Gia_ManHashAlloc( pNew );
|
|
// blast in the topological order
|
|
Cba_NtkForEachObj( p, i )
|
|
{
|
|
Type = Cba_ObjType(p, i);
|
|
if ( Type == CBA_OBJ_PO )
|
|
continue;
|
|
assert( Vec_IntSize(vBits) == Cba_FonCopy(p, Cba_ObjFon0(p, i)) );
|
|
nRange = Cba_ObjRangeSize(p, i); assert( nRange > 0 );
|
|
if ( Cba_ObjIsPi(p, i) || Cba_ObjIsSeq(p, i) )
|
|
{
|
|
for ( k = 0; k < nRange; k++ )
|
|
Vec_IntPush( vBits, Gia_ManAppendCi(pNew) );
|
|
assert( Type == CBA_BOX_DFFCPL || Cba_ObjFonNum(p, i) == 1 );
|
|
continue;
|
|
}
|
|
assert( Cba_ObjFinNum(p, i) > 0 );
|
|
iFon0 = Cba_ObjFinNum(p, i) > 0 ? Cba_ObjFinFon(p, i, 0) : -1;
|
|
iFon1 = Cba_ObjFinNum(p, i) > 1 ? Cba_ObjFinFon(p, i, 1) : -1;
|
|
iFon2 = Cba_ObjFinNum(p, i) > 2 ? Cba_ObjFinFon(p, i, 2) : -1;
|
|
nRange0 = Cba_ObjFinNum(p, i) > 0 ? Cba_FonRangeSize(p, iFon0) : -1;
|
|
nRange1 = Cba_ObjFinNum(p, i) > 1 ? Cba_FonRangeSize(p, iFon1) : -1;
|
|
nRange2 = Cba_ObjFinNum(p, i) > 2 ? Cba_FonRangeSize(p, iFon2) : -1;
|
|
pFans0 = (Cba_ObjFinNum(p, i) > 0 && Cba_FonIsReal(iFon0)) ? Vec_IntEntryP( vBits, Cba_FonCopy(p, iFon0) ) : NULL;
|
|
pFans1 = (Cba_ObjFinNum(p, i) > 1 && Cba_FonIsReal(iFon1)) ? Vec_IntEntryP( vBits, Cba_FonCopy(p, iFon1) ) : NULL;
|
|
pFans2 = (Cba_ObjFinNum(p, i) > 2 && Cba_FonIsReal(iFon2)) ? Vec_IntEntryP( vBits, Cba_FonCopy(p, iFon2) ) : NULL;
|
|
fSigned01 = (Cba_ObjFinNum(p, i) > 1 && Cba_FonSigned(p, iFon0) && Cba_FonSigned(p, iFon1));
|
|
nAndPrev = Gia_ManAndNum(pNew);
|
|
Vec_IntClear( vRes );
|
|
if ( Type == CBA_BOX_SLICE )
|
|
{
|
|
int Left = Cba_ObjLeft( p, i );
|
|
int Right = Cba_ObjRight( p, i );
|
|
int Left0 = Cba_FonLeft( p, iFon0 );
|
|
int Right0 = Cba_FonRight( p, iFon0 );
|
|
if ( Left > Right )
|
|
{
|
|
assert( Left0 > Right0 );
|
|
for ( k = Right; k <= Left; k++ )
|
|
Vec_IntPush( vRes, pFans0[k - Right0] );
|
|
}
|
|
else
|
|
{
|
|
assert( Left < Right && Left0 < Right0 );
|
|
for ( k = Right; k >= Left; k-- )
|
|
Vec_IntPush( vRes, pFans0[k - Right0] );
|
|
}
|
|
}
|
|
else if ( Type == CBA_BOX_CONCAT )
|
|
{
|
|
int iFinT, iFonT, nTotal = 0;
|
|
Cba_ObjForEachFinFon( p, i, iFinT, iFonT, k )
|
|
nTotal += Cba_FonRangeSize( p, iFonT );
|
|
assert( nRange == nTotal );
|
|
Cba_ObjForEachFinFon( p, i, iFinT, iFonT, k )
|
|
{
|
|
nRange0 = Cba_FonRangeSize( p, iFonT );
|
|
pFans0 = Cba_FonIsReal(iFonT) ? Vec_IntEntryP( vBits, Cba_FonCopy(p, iFonT) ) : NULL;
|
|
pFans0 = Cba_VecLoadFanins( p, vTemp0, iFonT, pFans0, nRange0, nRange0, Cba_FonSigned(p, iFonT) );
|
|
for ( b = 0; b < nRange0; b++ )
|
|
Vec_IntPush( vRes, pFans0[b] );
|
|
}
|
|
}
|
|
else if ( Type == CBA_BOX_BUF )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange0, nRange );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, Cba_FonSigned(p, iFon0) );
|
|
for ( k = 0; k < nRange; k++ )
|
|
Vec_IntPush( vRes, pArg0[k] );
|
|
}
|
|
else if ( Type >= CBA_BOX_CF && Type <= CBA_BOX_CZ )
|
|
{
|
|
assert( 0 );
|
|
//word * pTruth = (word *)Cba_ObjFanins(p, i);
|
|
//for ( k = 0; k < nRange; k++ )
|
|
// Vec_IntPush( vRes, Abc_TtGetBit(pTruth, k) );
|
|
}
|
|
else if ( Type == CBA_BOX_MUX || Type == CBA_BOX_NMUX )
|
|
{
|
|
// It is strange and disturbing that Verilog standard treats these statements differently:
|
|
// Statement 1:
|
|
// assign o = i ? b : a;
|
|
// Statement 2:
|
|
// always @( i or a or b )
|
|
// begin
|
|
// case ( i )
|
|
// 0 : o = a ;
|
|
// 1 : o = b ;
|
|
// endcase
|
|
// end
|
|
// If a is signed and b is unsigned, Statement 1 does not sign-extend a, while Statement 2 does.
|
|
// The signedness of o does not matter.
|
|
//
|
|
// Below we (somewhat arbitrarily) distinguish these two by assuming that
|
|
// Statement 1 has three fanins, while Statement 2 has more than three fanins.
|
|
//
|
|
int iFinT, iFonT, fSigned = 1;
|
|
assert( nRange0 >= 1 && Cba_ObjFinNum(p, i) >= 3 );
|
|
assert( 1 + (1 << nRange0) == Cba_ObjFinNum(p, i) );
|
|
Cba_ObjForEachFinFon( p, i, iFinT, iFonT, k )
|
|
if ( k > 0 )
|
|
fSigned &= Cba_FonSigned(p, iFonT);
|
|
for ( b = 0; b < nRange; b++ )
|
|
{
|
|
Vec_IntClear( vTemp0 );
|
|
Cba_ObjForEachFinFon( p, i, iFinT, iFonT, k )
|
|
if ( k > 0 )
|
|
{
|
|
nRange1 = Cba_FonRangeSize( p, iFonT );
|
|
pFans1 = Cba_FonIsReal(iFonT) ? Vec_IntEntryP( vBits, Cba_FonCopy(p, iFonT) ) : NULL;
|
|
if ( Cba_ObjFinNum(p, i) == 3 ) // Statement 1
|
|
Vec_IntPush( vTemp0, k < nRange1 ? pFans1[k] : (fSigned? pFans1[nRange1-1] : 0) );
|
|
else // Statement 2
|
|
Vec_IntPush( vTemp0, k < nRange1 ? pFans1[k] : (Cba_FonSigned(p, iFonT)? pFans1[nRange1-1] : 0) );
|
|
}
|
|
Vec_IntPush( vRes, Cba_NtkMuxTree_rec(pNew, pFans0, nRange0, vTemp0, 0) );
|
|
}
|
|
}
|
|
else if ( Type == CBA_BOX_SHIR || Type == CBA_BOX_SHIRA ||
|
|
Type == CBA_BOX_SHIL || Type == CBA_BOX_SHILA )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange, nRange0 );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, Cba_FonSigned(p, iFon0) );
|
|
if ( Type == CBA_BOX_SHIR || Type == CBA_BOX_SHIRA )
|
|
Cba_BlastShiftRight( pNew, pArg0, nRangeMax, pFans1, nRange1, Cba_FonSigned(p, iFon0) && Type == CBA_BOX_SHIRA, vRes );
|
|
else
|
|
Cba_BlastShiftLeft( pNew, pArg0, nRangeMax, pFans1, nRange1, 0, vRes );
|
|
Vec_IntShrink( vRes, nRange );
|
|
}
|
|
else if ( Type == CBA_BOX_ROTR )
|
|
{
|
|
assert( nRange0 == nRange );
|
|
Cba_BlastRotateRight( pNew, pFans0, nRange0, pFans1, nRange1, vRes );
|
|
}
|
|
else if ( Type == CBA_BOX_ROTL )
|
|
{
|
|
assert( nRange0 == nRange );
|
|
Cba_BlastRotateLeft( pNew, pFans0, nRange0, pFans1, nRange1, vRes );
|
|
}
|
|
else if ( Type == CBA_BOX_INV )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange, nRange0 );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, Cba_FonSigned(p, iFon0) );
|
|
for ( k = 0; k < nRange; k++ )
|
|
Vec_IntPush( vRes, Abc_LitNot(pArg0[k]) );
|
|
}
|
|
else if ( Type == CBA_BOX_AND )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange, Abc_MaxInt(nRange0, nRange1) );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, fSigned01 );
|
|
int * pArg1 = Cba_VecLoadFanins( p, vTemp1, iFon1, pFans1, nRange1, nRangeMax, fSigned01 );
|
|
for ( k = 0; k < nRange; k++ )
|
|
Vec_IntPush( vRes, Gia_ManHashAnd(pNew, pArg0[k], pArg1[k]) );
|
|
}
|
|
else if ( Type == CBA_BOX_OR )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange, Abc_MaxInt(nRange0, nRange1) );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, fSigned01 );
|
|
int * pArg1 = Cba_VecLoadFanins( p, vTemp1, iFon1, pFans1, nRange1, nRangeMax, fSigned01 );
|
|
for ( k = 0; k < nRange; k++ )
|
|
Vec_IntPush( vRes, Gia_ManHashOr(pNew, pArg0[k], pArg1[k]) );
|
|
}
|
|
else if ( Type == CBA_BOX_XOR )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange, Abc_MaxInt(nRange0, nRange1) );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, fSigned01 );
|
|
int * pArg1 = Cba_VecLoadFanins( p, vTemp1, iFon1, pFans1, nRange1, nRangeMax, fSigned01 );
|
|
for ( k = 0; k < nRange; k++ )
|
|
Vec_IntPush( vRes, Gia_ManHashXor(pNew, pArg0[k], pArg1[k]) );
|
|
}
|
|
else if ( Type == CBA_BOX_LNOT )
|
|
{
|
|
iLit = Cba_BlastReduction( pNew, pFans0, nRange0, CBA_BOX_ROR );
|
|
Vec_IntFill( vRes, 1, Abc_LitNot(iLit) );
|
|
for ( k = 1; k < nRange; k++ )
|
|
Vec_IntPush( vRes, 0 );
|
|
}
|
|
else if ( Type == CBA_BOX_LAND )
|
|
{
|
|
int iLit0 = Cba_BlastReduction( pNew, pFans0, nRange0, CBA_BOX_ROR );
|
|
int iLit1 = Cba_BlastReduction( pNew, pFans1, nRange1, CBA_BOX_ROR );
|
|
Vec_IntFill( vRes, 1, Gia_ManHashAnd(pNew, iLit0, iLit1) );
|
|
for ( k = 1; k < nRange; k++ )
|
|
Vec_IntPush( vRes, 0 );
|
|
}
|
|
else if ( Type == CBA_BOX_LOR )
|
|
{
|
|
int iLit0 = Cba_BlastReduction( pNew, pFans0, nRange0, CBA_BOX_ROR );
|
|
int iLit1 = Cba_BlastReduction( pNew, pFans1, nRange1, CBA_BOX_ROR );
|
|
Vec_IntFill( vRes, 1, Gia_ManHashOr(pNew, iLit0, iLit1) );
|
|
for ( k = 1; k < nRange; k++ )
|
|
Vec_IntPush( vRes, 0 );
|
|
}
|
|
else if ( Type == CBA_BOX_LXOR )
|
|
{
|
|
int iLit0 = Cba_BlastReduction( pNew, pFans0, nRange0, CBA_BOX_ROR );
|
|
int iLit1 = Cba_BlastReduction( pNew, pFans1, nRange1, CBA_BOX_ROR );
|
|
Vec_IntFill( vRes, 1, Gia_ManHashXor(pNew, iLit0, iLit1) );
|
|
for ( k = 1; k < nRange; k++ )
|
|
Vec_IntPush( vRes, 0 );
|
|
}
|
|
else if ( Type == CBA_BOX_EQU || Type == CBA_BOX_NEQU )
|
|
{
|
|
int iLit = 0, nRangeMax = Abc_MaxInt( nRange0, nRange1 );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, fSigned01 );
|
|
int * pArg1 = Cba_VecLoadFanins( p, vTemp1, iFon1, pFans1, nRange1, nRangeMax, fSigned01 );
|
|
for ( k = 0; k < nRangeMax; k++ )
|
|
iLit = Gia_ManHashOr( pNew, iLit, Gia_ManHashXor(pNew, pArg0[k], pArg1[k]) );
|
|
Vec_IntFill( vRes, 1, Abc_LitNotCond(iLit, Type == CBA_BOX_EQU) );
|
|
for ( k = 1; k < nRange; k++ )
|
|
Vec_IntPush( vRes, 0 );
|
|
}
|
|
else if ( Type == CBA_BOX_LTHAN || Type == CBA_BOX_METHAN ||
|
|
Type == CBA_BOX_MTHAN || Type == CBA_BOX_LETHAN )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange0, nRange1 );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, fSigned01 );
|
|
int * pArg1 = Cba_VecLoadFanins( p, vTemp1, iFon1, pFans1, nRange1, nRangeMax, fSigned01 );
|
|
int fSwap = (Type == CBA_BOX_MTHAN || Type == CBA_BOX_LETHAN);
|
|
int fCompl = (Type == CBA_BOX_METHAN || Type == CBA_BOX_LETHAN);
|
|
if ( fSwap ) ABC_SWAP( int *, pArg0, pArg1 );
|
|
if ( fSigned01 )
|
|
iLit = Cba_BlastLessSigned( pNew, pArg0, pArg1, nRangeMax );
|
|
else
|
|
iLit = Cba_BlastLess( pNew, pArg0, pArg1, nRangeMax );
|
|
iLit = Abc_LitNotCond( iLit, fCompl );
|
|
Vec_IntFill( vRes, 1, iLit );
|
|
for ( k = 1; k < nRange; k++ )
|
|
Vec_IntPush( vRes, 0 );
|
|
}
|
|
else if ( Type == CBA_BOX_RAND || Type == CBA_BOX_ROR || Type == CBA_BOX_RXOR )
|
|
{
|
|
Vec_IntPush( vRes, Cba_BlastReduction( pNew, pFans0, nRange0, Type ) );
|
|
for ( k = 1; k < nRange; k++ )
|
|
Vec_IntPush( vRes, 0 );
|
|
}
|
|
else if ( Type == CBA_BOX_ADD )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange, Abc_MaxInt(nRange1, nRange2) );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, 1, 1, 0 );
|
|
int * pArg1 = Cba_VecLoadFanins( p, vRes, iFon1, pFans1, nRange1, nRangeMax, fSigned01 );
|
|
int * pArg2 = Cba_VecLoadFanins( p, vTemp1, iFon2, pFans2, nRange2, nRangeMax, fSigned01 );
|
|
int Carry = Cba_BlastAdder( pNew, pArg0[0], pArg1, pArg2, nRange ); // result is in pArg1 (vRes)
|
|
assert( nRange0 == 1 );
|
|
Vec_IntShrink( vRes, nRange );
|
|
Vec_IntPush( vRes, Carry );
|
|
}
|
|
else if ( Type == CBA_BOX_SUB )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange, Abc_MaxInt(nRange0, nRange1) );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vRes, iFon0, pFans0, nRange0, nRangeMax, fSigned01 );
|
|
int * pArg1 = Cba_VecLoadFanins( p, vTemp1, iFon1, pFans1, nRange1, nRangeMax, fSigned01 );
|
|
Cba_BlastSubtract( pNew, pArg0, pArg1, nRange ); // result is in pFan0 (vRes)
|
|
Vec_IntShrink( vRes, nRange );
|
|
}
|
|
else if ( Type == CBA_BOX_MUL )
|
|
{
|
|
if ( fUseOldMultiplierBlasting )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange, Abc_MaxInt(nRange0, nRange1) );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, fSigned01 );
|
|
int * pArg1 = Cba_VecLoadFanins( p, vTemp1, iFon1, pFans1, nRange1, nRangeMax, fSigned01 );
|
|
Cba_BlastMultiplier2( pNew, pArg0, pArg1, nRange, vTemp2, vRes );
|
|
Vec_IntShrink( vRes, nRange );
|
|
}
|
|
else
|
|
{
|
|
int nRangeMax = Abc_MaxInt(nRange0, nRange1);
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, fSigned01 );
|
|
int * pArg1 = Cba_VecLoadFanins( p, vTemp1, iFon1, pFans1, nRange1, nRangeMax, fSigned01 );
|
|
Cba_BlastMultiplier( pNew, pArg0, pArg1, nRangeMax, nRangeMax, vTemp2, vRes, fSigned01 );
|
|
if ( nRange > nRangeMax + nRangeMax )
|
|
Vec_IntFillExtra( vRes, nRange, fSigned01 ? Vec_IntEntryLast(vRes) : 0 );
|
|
else
|
|
Vec_IntShrink( vRes, nRange );
|
|
assert( Vec_IntSize(vRes) == nRange );
|
|
}
|
|
}
|
|
else if ( Type == CBA_BOX_DIV || Type == CBA_BOX_MOD )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange, Abc_MaxInt(nRange0, nRange1) );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, fSigned01 );
|
|
int * pArg1 = Cba_VecLoadFanins( p, vTemp1, iFon1, pFans1, nRange1, nRangeMax, fSigned01 );
|
|
if ( fSigned01 )
|
|
Cba_BlastDividerSigned( pNew, pArg0, nRangeMax, pArg1, nRangeMax, Type == CBA_BOX_DIV, vRes );
|
|
else
|
|
Cba_BlastDivider( pNew, pArg0, nRangeMax, pArg1, nRangeMax, Type == CBA_BOX_DIV, vRes );
|
|
Vec_IntShrink( vRes, nRange );
|
|
if ( Type == CBA_BOX_DIV )
|
|
Cba_BlastZeroCondition( pNew, pFans1, nRange1, vRes );
|
|
}
|
|
else if ( Type == CBA_BOX_MIN )
|
|
{
|
|
int nRangeMax = Abc_MaxInt( nRange0, nRange );
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, Cba_FonSigned(p, iFon0) );
|
|
Cba_BlastMinus( pNew, pArg0, nRangeMax, vRes );
|
|
Vec_IntShrink( vRes, nRange );
|
|
}
|
|
else if ( Type == CBA_BOX_POW )
|
|
{
|
|
int nRangeMax = Abc_MaxInt(nRange0, nRange);
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRangeMax, Cba_FonSigned(p, iFon0) );
|
|
int * pArg1 = Cba_VecLoadFanins( p, vTemp1, iFon1, pFans1, nRange1, nRange1, Cba_FonSigned(p, iFon1) );
|
|
Cba_BlastPower( pNew, pArg0, nRangeMax, pArg1, nRange1, vTemp2, vRes );
|
|
Vec_IntShrink( vRes, nRange );
|
|
}
|
|
else if ( Type == CBA_BOX_SQRT )
|
|
{
|
|
int * pArg0 = Cba_VecLoadFanins( p, vTemp0, iFon0, pFans0, nRange0, nRange0 + (nRange0 & 1), 0 );
|
|
nRange0 += (nRange0 & 1);
|
|
Cba_BlastSqrt( pNew, pArg0, nRange0, vTemp2, vRes );
|
|
if ( nRange > Vec_IntSize(vRes) )
|
|
Vec_IntFillExtra( vRes, nRange, 0 );
|
|
else
|
|
Vec_IntShrink( vRes, nRange );
|
|
}
|
|
else if ( Type == CBA_BOX_TABLE )
|
|
{
|
|
assert( 0 );
|
|
//Cba_BlastTable( pNew, Cba_ObjTable(p, p, i), pFans0, nRange0, nRange, vRes );
|
|
}
|
|
else assert( 0 );
|
|
Vec_IntAppend( vBits, vRes );
|
|
p->pDesign->nAnds[Type] += Gia_ManAndNum(pNew) - nAndPrev;
|
|
}
|
|
assert( nBits == Vec_IntSize(vBits) );
|
|
p->pDesign->nAnds[0] = Gia_ManAndNum(pNew);
|
|
// create COs
|
|
Cba_NtkForEachPo( p, iObj, i )
|
|
{
|
|
Cba_ObjForEachFinFon( p, iObj, iFin, iFon, k )
|
|
{
|
|
nRange = Cba_FonRangeSize( p, iFon );
|
|
pFans0 = Cba_FonIsReal(iFon) ? Vec_IntEntryP( vBits, Cba_FonCopy(p, iFon) ) : NULL;
|
|
pFans0 = Cba_VecLoadFanins( p, vTemp0, iFon, pFans0, nRange, nRange, Cba_FonSigned(p, iFon) );
|
|
for ( b = 0; b < nRange; b++ )
|
|
Gia_ManAppendCo( pNew, pFans0[b] );
|
|
}
|
|
}
|
|
Cba_NtkForEachBoxSeq( p, iObj, i )
|
|
{
|
|
if ( fSeq )
|
|
{
|
|
assert( Cba_ObjType(p, iObj) == CBA_BOX_DFFCPL );
|
|
iFon0 = Cba_ObjFinFon( p, iObj, 0 );
|
|
iFon1 = Cba_ObjFinFon( p, iObj, 1 );
|
|
nRange0 = Cba_FonRangeSize( p, iFon0 );
|
|
nRange1 = Cba_FonRangeSize( p, iFon1 );
|
|
assert( nRange0 == nRange1 );
|
|
Cba_ObjForEachFinFon( p, iObj, iFin, iFon, k )
|
|
{
|
|
nRange = Cba_FonRangeSize( p, iFon );
|
|
pFans0 = Cba_FonIsReal(iFon) ? Vec_IntEntryP( vBits, Cba_FonCopy(p, iFon) ) : NULL;
|
|
pFans0 = Cba_VecLoadFanins( p, vTemp0, iFon, pFans0, nRange0, nRange0, Cba_FonSigned(p, iFon) );
|
|
if ( k == 0 )
|
|
{
|
|
for ( b = 0; b < nRange; b++ )
|
|
Gia_ManAppendCo( pNew, pFans0[b] );
|
|
}
|
|
else if ( k == 1 )
|
|
{
|
|
for ( b = 0; b < nRange; b++ )
|
|
if ( pFans0[b] == 0 )
|
|
Vec_StrPush( vInit, '0' );
|
|
else if ( pFans0[b] == 1 )
|
|
Vec_StrPush( vInit, '1' );
|
|
else
|
|
Vec_StrPush( vInit, 'x' );
|
|
}
|
|
else break;
|
|
}
|
|
}
|
|
else // combinational
|
|
{
|
|
Cba_ObjForEachFinFon( p, iObj, iFin, iFon, k )
|
|
{
|
|
nRange = Cba_FonRangeSize( p, iFon );
|
|
pFans0 = Cba_FonIsReal(iFon) ? Vec_IntEntryP( vBits, Cba_FonCopy(p, iFon) ) : NULL;
|
|
pFans0 = Cba_VecLoadFanins( p, vTemp0, iFon, pFans0, nRange, nRange, Cba_FonSigned(p, iFon) );
|
|
for ( b = 0; b < nRange; b++ )
|
|
Gia_ManAppendCo( pNew, pFans0[b] );
|
|
}
|
|
}
|
|
}
|
|
Vec_IntFree( vTemp0 );
|
|
Vec_IntFree( vTemp1 );
|
|
Vec_IntFree( vTemp2 );
|
|
Vec_IntFree( vRes );
|
|
// finalize AIG
|
|
pNew = Gia_ManCleanup( pTemp = pNew );
|
|
Gia_ManDupRemapLiterals( vBits, pTemp );
|
|
Gia_ManStop( pTemp );
|
|
// transform AIG with init state
|
|
if ( fSeq )
|
|
{
|
|
Gia_ManSetRegNum( pNew, Vec_StrSize(vInit) );
|
|
Vec_StrPush( vInit, '\0' );
|
|
pNew = Gia_ManDupZeroUndc( pTemp = pNew, Vec_StrArray(vInit), 0, 1 );
|
|
Gia_ManDupRemapLiterals( vBits, pTemp );
|
|
Gia_ManStop( pTemp );
|
|
Vec_StrFreeP( &vInit );
|
|
}
|
|
//Vec_IntErase( vBits );
|
|
//Vec_IntErase( &p->vCopies );
|
|
return pNew;
|
|
}
|
|
|
|
/**Function*************************************************************
|
|
|
|
Synopsis []
|
|
|
|
Description []
|
|
|
|
SideEffects []
|
|
|
|
SeeAlso []
|
|
|
|
***********************************************************************/
|
|
Gia_Man_t * Cba_ManBlast( Cba_Man_t * p, int fBarBufs, int fSeq, int fVerbose )
|
|
{
|
|
return Cba_NtkBlast( Cba_ManRoot(p), fSeq );
|
|
}
|
|
|
|
/**Function*************************************************************
|
|
|
|
Synopsis []
|
|
|
|
Description []
|
|
|
|
SideEffects []
|
|
|
|
SeeAlso []
|
|
|
|
***********************************************************************/
|
|
Cba_Man_t * Cba_ManInsertGia( Cba_Man_t * p, Gia_Man_t * pGia )
|
|
{
|
|
return NULL;
|
|
}
|
|
Cba_Man_t * Cba_ManInsertAbc( Cba_Man_t * p, void * pAbc )
|
|
{
|
|
Abc_Ntk_t * pNtk = (Abc_Ntk_t *)pAbc;
|
|
return (Cba_Man_t *)pNtk;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
/// END OF FILE ///
|
|
////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
ABC_NAMESPACE_IMPL_END
|
|
|