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/**CFile****************************************************************
FileName [wlnBlast.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Word-level network.]
Synopsis []
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - September 23, 2018.]
Revision [$Id: wlnBlast.c,v 1.00 2018/09/23 00:00:00 alanmi Exp $]
***********************************************************************/
#include "wln.h"
#include "base/wlc/wlc.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Rtl_VecExtend( Vec_Int_t * p, int nRange, int fSigned )
{
Vec_IntFillExtra( p, nRange, fSigned ? Vec_IntEntryLast(p) : 0 );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Rtl_NtkBlastNode( Gia_Man_t * pNew, int Type, int nIns, Vec_Int_t * vDatas, int nRange, int fSign0, int fSign1 )
{
extern void Wlc_BlastMinus( Gia_Man_t * pNew, int * pNum, int nNum, Vec_Int_t * vRes );
extern int Wlc_BlastReduction( Gia_Man_t * pNew, int * pFans, int nFans, int Type );
extern int Wlc_BlastLess( Gia_Man_t * pNew, int * pArg0, int * pArg1, int nBits );
extern int Wlc_BlastLessSigned( Gia_Man_t * pNew, int * pArg0, int * pArg1, int nBits );
extern void Wlc_BlastShiftRight( Gia_Man_t * pNew, int * pNum, int nNum, int * pShift, int nShift, int fSticky, Vec_Int_t * vRes );
extern void Wlc_BlastShiftLeft( Gia_Man_t * pNew, int * pNum, int nNum, int * pShift, int nShift, int fSticky, Vec_Int_t * vRes );
extern int Wlc_BlastAdder( Gia_Man_t * pNew, int * pAdd0, int * pAdd1, int nBits, int Carry ); // result is in pAdd0
extern void Wlc_BlastSubtract( Gia_Man_t * pNew, int * pAdd0, int * pAdd1, int nBits, int Carry ); // result is in pAdd0
extern int Wlc_NtkCountConstBits( int * pArray, int nSize );
extern void Wlc_BlastBooth( Gia_Man_t * pNew, int * pArgA, int * pArgB, int nArgA, int nArgB, Vec_Int_t * vRes, int fSigned, int fCla, Vec_Wec_t ** pvProds );
extern void Wlc_BlastMultiplier3( Gia_Man_t * pNew, int * pArgA, int * pArgB, int nArgA, int nArgB, Vec_Int_t * vRes, int fSigned, int fCla, Vec_Wec_t ** pvProds );
extern void Wlc_BlastZeroCondition( Gia_Man_t * pNew, int * pDiv, int nDiv, Vec_Int_t * vRes );
extern void Wlc_BlastDivider( Gia_Man_t * pNew, int * pNum, int nNum, int * pDiv, int nDiv, int fQuo, Vec_Int_t * vRes );
extern void Wlc_BlastDividerSigned( Gia_Man_t * pNew, int * pNum, int nNum, int * pDiv, int nDiv, int fQuo, Vec_Int_t * vRes );
extern void Wlc_BlastPower( Gia_Man_t * pNew, int * pNum, int nNum, int * pExp, int nExp, Vec_Int_t * vTemp, Vec_Int_t * vRes );
int k, iLit, iLit0, iLit1;
if ( nIns == 1 )
{
Vec_Int_t * vArg = vDatas;
Vec_Int_t * vRes = vDatas+3;
assert( Vec_IntSize(vRes) == 0 );
if ( Type == ABC_OPER_BIT_INV ) // Y = ~A $not
{
assert( Vec_IntSize(vArg) == nRange );
Vec_IntForEachEntry( vArg, iLit, k )
Vec_IntPush( vRes, Abc_LitNot(iLit) );
return;
}
if ( Type == ABC_OPER_BIT_BUF ) // Y = +A $pos
{
assert( Vec_IntSize(vArg) == nRange );
Vec_IntForEachEntry( vArg, iLit, k )
Vec_IntPush( vRes, iLit );
return;
}
if ( Type == ABC_OPER_ARI_MIN ) // Y = -A $neg
{
assert( Vec_IntSize(vArg) == nRange );
Wlc_BlastMinus( pNew, Vec_IntArray(vArg), Vec_IntSize(vArg), vRes );
return;
}
if ( Type == ABC_OPER_RED_AND ) // Y = &A $reduce_and
{
assert( nRange == 1 );
Vec_IntPush( vRes, Wlc_BlastReduction( pNew, Vec_IntArray(vArg), Vec_IntSize(vArg), WLC_OBJ_REDUCT_AND ) );
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
return;
}
if ( Type == ABC_OPER_RED_OR ) // Y = |A $reduce_or $reduce_bool
{
assert( nRange == 1 );
Vec_IntPush( vRes, Wlc_BlastReduction( pNew, Vec_IntArray(vArg), Vec_IntSize(vArg), WLC_OBJ_REDUCT_OR ) );
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
return;
}
if ( Type == ABC_OPER_RED_XOR ) // Y = ^A $reduce_xor
{
assert( nRange == 1 );
Vec_IntPush( vRes, Wlc_BlastReduction( pNew, Vec_IntArray(vArg), Vec_IntSize(vArg), WLC_OBJ_REDUCT_XOR ) );
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
return;
}
if ( Type == ABC_OPER_RED_NXOR ) // Y = ~^A $reduce_xnor
{
assert( nRange == 1 );
Vec_IntPush( vRes, Wlc_BlastReduction( pNew, Vec_IntArray(vArg), Vec_IntSize(vArg), WLC_OBJ_REDUCT_NXOR ) );
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
return;
}
if ( Type == ABC_OPER_LOGIC_NOT ) // Y = !A $logic_not
{
int iLit = Wlc_BlastReduction( pNew, Vec_IntArray(vArg), Vec_IntSize(vArg), WLC_OBJ_REDUCT_OR );
assert( nRange == 1 );
Vec_IntFill( vRes, 1, Abc_LitNot(iLit) );
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
return;
}
assert( 0 );
return;
}
if ( nIns == 2 )
{
Vec_Int_t * vArg0 = vDatas;
Vec_Int_t * vArg1 = vDatas+1;
Vec_Int_t * vRes = vDatas+3;
int nRangeMax = Abc_MaxInt( nRange, Abc_MaxInt(Vec_IntSize(vArg0), Vec_IntSize(vArg1)) );
int nSizeArg0 = Vec_IntSize(vArg0);
int nSizeArg1 = Vec_IntSize(vArg1);
Rtl_VecExtend( vArg0, nRangeMax, fSign0 );
Rtl_VecExtend( vArg1, nRangeMax, fSign1 );
assert( Vec_IntSize(vArg0) == Vec_IntSize(vArg1) );
assert( Vec_IntSize(vRes) == 0 );
if ( Type == ABC_OPER_LOGIC_AND ) // Y = A && B $logic_and
{
int iLit0 = Wlc_BlastReduction( pNew, Vec_IntArray(vArg0), Vec_IntSize(vArg0), WLC_OBJ_REDUCT_OR );
int iLit1 = Wlc_BlastReduction( pNew, Vec_IntArray(vArg1), Vec_IntSize(vArg1), WLC_OBJ_REDUCT_OR );
assert( 1 == nRange );
Vec_IntFill( vRes, 1, Gia_ManHashAnd(pNew, iLit0, iLit1) );
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
return;
}
if ( Type == ABC_OPER_LOGIC_OR ) // Y = A || B $logic_or
{
int iLit0 = Wlc_BlastReduction( pNew, Vec_IntArray(vArg0), Vec_IntSize(vArg0), WLC_OBJ_REDUCT_OR );
int iLit1 = Wlc_BlastReduction( pNew, Vec_IntArray(vArg1), Vec_IntSize(vArg1), WLC_OBJ_REDUCT_OR );
assert( 1 == nRange );
Vec_IntFill( vRes, 1, Gia_ManHashOr(pNew, iLit0, iLit1) );
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
return;
}
if ( Type == ABC_OPER_BIT_AND ) // Y = A & B $and
{
Vec_IntForEachEntryTwo( vArg0, vArg1, iLit0, iLit1, k )
Vec_IntPush( vRes, Gia_ManHashAnd(pNew, iLit0, iLit1) );
Vec_IntShrink( vRes, nRange );
return;
}
if ( Type == ABC_OPER_BIT_OR ) // Y = A | B $or
{
Vec_IntForEachEntryTwo( vArg0, vArg1, iLit0, iLit1, k )
Vec_IntPush( vRes, Gia_ManHashOr(pNew, iLit0, iLit1) );
Vec_IntShrink( vRes, nRange );
return;
}
if ( Type == ABC_OPER_BIT_XOR ) // Y = A ^ B $xor
{
Vec_IntForEachEntryTwo( vArg0, vArg1, iLit0, iLit1, k )
Vec_IntPush( vRes, Gia_ManHashXor(pNew, iLit0, iLit1) );
Vec_IntShrink( vRes, nRange );
return;
}
if ( Type == ABC_OPER_BIT_NXOR ) // Y = A ~^ B $xnor
{
assert( Vec_IntSize(vArg0) == nRange );
Vec_IntForEachEntryTwo( vArg0, vArg1, iLit0, iLit1, k )
Vec_IntPush( vRes, Abc_LitNot(Gia_ManHashXor(pNew, iLit0, iLit1)) );
Vec_IntShrink( vRes, nRange );
return;
}
/*
if ( !strcmp(pType, "$lt") ) return ABC_OPER_COMP_LESS; // Y = A < B $lt
if ( !strcmp(pType, "$le") ) return ABC_OPER_COMP_LESSEQU; // Y = A <= B $le
if ( !strcmp(pType, "$ge") ) return ABC_OPER_COMP_MOREEQU; // Y = A >= B $ge
if ( !strcmp(pType, "$gt") ) return ABC_OPER_COMP_MORE; // Y = A > B $gt
if ( !strcmp(pType, "$eq") ) return ABC_OPER_COMP_EQU; // Y = A == B $eq
if ( !strcmp(pType, "$ne") ) return ABC_OPER_COMP_NOTEQU; // Y = A != B $ne
*/
if ( Type == ABC_OPER_COMP_EQU || Type == ABC_OPER_COMP_NOTEQU )
{
iLit = 0;
assert( nRange == 1 );
Vec_IntForEachEntryTwo( vArg0, vArg1, iLit0, iLit1, k )
iLit = Gia_ManHashOr( pNew, iLit, Gia_ManHashXor(pNew, iLit0, iLit1) );
Vec_IntFill( vRes, 1, Abc_LitNotCond(iLit, Type == ABC_OPER_COMP_EQU) );
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
return;
}
if ( Type == ABC_OPER_COMP_LESS || Type == ABC_OPER_COMP_LESSEQU ||
Type == ABC_OPER_COMP_MORE || Type == ABC_OPER_COMP_MOREEQU )
{
int fSigned = fSign0 && fSign1;
int fSwap = (Type == ABC_OPER_COMP_MORE || Type == ABC_OPER_COMP_LESSEQU);
int fCompl = (Type == ABC_OPER_COMP_MOREEQU || Type == ABC_OPER_COMP_LESSEQU);
assert( Vec_IntSize(vArg0) == Vec_IntSize(vArg1) );
assert( nRange == 1 );
if ( fSwap )
ABC_SWAP( Vec_Int_t, *vArg0, *vArg1 )
if ( fSigned )
iLit = Wlc_BlastLessSigned( pNew, Vec_IntArray(vArg0), Vec_IntArray(vArg1), Vec_IntSize(vArg0) );
else
iLit = Wlc_BlastLess( pNew, Vec_IntArray(vArg0), Vec_IntArray(vArg1), Vec_IntSize(vArg0) );
iLit = Abc_LitNotCond( iLit, fCompl );
Vec_IntFill( vRes, 1, iLit );
for ( k = 1; k < nRange; k++ )
Vec_IntPush( vRes, 0 );
return;
}
/*
if ( !strcmp(pType, "$shl") ) return ABC_OPER_SHIFT_L; // Y = A << B $shl
if ( !strcmp(pType, "$shr") ) return ABC_OPER_SHIFT_R; // Y = A >> B $shr
if ( !strcmp(pType, "$sshl") ) return ABC_OPER_SHIFT_LA; // Y = A <<< B $sshl
if ( !strcmp(pType, "$sshr") ) return ABC_OPER_SHIFT_RA; // Y = A >>> B $sshr
*/
if ( Type == ABC_OPER_SHIFT_R || Type == ABC_OPER_SHIFT_RA ||
Type == ABC_OPER_SHIFT_L || Type == ABC_OPER_SHIFT_LA )
{
Vec_IntShrink( vArg1, nSizeArg1 );
if ( Type == ABC_OPER_SHIFT_R || Type == ABC_OPER_SHIFT_RA )
Wlc_BlastShiftRight( pNew, Vec_IntArray(vArg0), nRangeMax, Vec_IntArray(vArg1), nSizeArg1, fSign0 && Type == ABC_OPER_SHIFT_RA, vRes );
else
Wlc_BlastShiftLeft( pNew, Vec_IntArray(vArg0), nRangeMax, Vec_IntArray(vArg1), nSizeArg1, 0, vRes );
Vec_IntShrink( vRes, nRange );
return;
}
/*
if ( !strcmp(pType, "$add") ) return ABC_OPER_ARI_ADD; // Y = A + B $add
if ( !strcmp(pType, "$sub") ) return ABC_OPER_ARI_SUB; // Y = A - B $sub
if ( !strcmp(pType, "$mul") ) return ABC_OPER_ARI_MUL; // Y = A * B $mul
if ( !strcmp(pType, "$div") ) return ABC_OPER_ARI_DIV; // Y = A / B $div
if ( !strcmp(pType, "$mod") ) return ABC_OPER_ARI_MOD; // Y = A % B $mod
if ( !strcmp(pType, "$pow") ) return ABC_OPER_ARI_POW; // Y = A ** B $pow
*/
if ( Type == ABC_OPER_ARI_ADD || Type == ABC_OPER_ARI_SUB )
{
//Vec_IntPrint( vArg0 );
//Vec_IntPrint( vArg1 );
Vec_IntAppend( vRes, vArg0 );
if ( Type == ABC_OPER_ARI_ADD )
Wlc_BlastAdder( pNew, Vec_IntArray(vRes), Vec_IntArray(vArg1), nRangeMax, 0 ); // result is in pFan0 (vRes)
else
Wlc_BlastSubtract( pNew, Vec_IntArray(vRes), Vec_IntArray(vArg1), nRangeMax, 1 ); // result is in pFan0 (vRes)
Vec_IntShrink( vRes, nRange );
return;
}
if ( Type == ABC_OPER_ARI_MUL )
{
int fBooth = 1;
int fCla = 0;
int fSigned = fSign0 && fSign1;
//int i, iObj;
Vec_IntShrink( vArg0, nSizeArg0 );
Vec_IntShrink( vArg1, nSizeArg1 );
//printf( "Adding %d + %d + %d buffers\n", nSizeArg0, nSizeArg1, nRange );
//Vec_IntForEachEntry( vArg0, iObj, i )
// Vec_IntWriteEntry( vArg0, i, Gia_ManAppendBuf(pNew, iObj) );
//Vec_IntForEachEntry( vArg1, iObj, i )
// Vec_IntWriteEntry( vArg1, i, Gia_ManAppendBuf(pNew, iObj) );
if ( Wlc_NtkCountConstBits(Vec_IntArray(vArg0), Vec_IntSize(vArg0)) < Wlc_NtkCountConstBits(Vec_IntArray(vArg1), Vec_IntSize(vArg1)) )
ABC_SWAP( Vec_Int_t, *vArg0, *vArg1 )
if ( fBooth )
Wlc_BlastBooth( pNew, Vec_IntArray(vArg0), Vec_IntArray(vArg1), Vec_IntSize(vArg0), Vec_IntSize(vArg1), vRes, fSigned, fCla, NULL );
else
Wlc_BlastMultiplier3( pNew, Vec_IntArray(vArg0), Vec_IntArray(vArg1), Vec_IntSize(vArg0), Vec_IntSize(vArg1), vRes, fSigned, fCla, NULL );
if ( nRange > Vec_IntSize(vRes) )
Vec_IntFillExtra( vRes, nRange, fSigned ? Vec_IntEntryLast(vRes) : 0 );
else
Vec_IntShrink( vRes, nRange );
assert( Vec_IntSize(vRes) == nRange );
//Vec_IntForEachEntry( vRes, iObj, i )
// Vec_IntWriteEntry( vRes, i, Gia_ManAppendBuf(pNew, iObj) );
return;
}
if ( Type == ABC_OPER_ARI_DIV || Type == ABC_OPER_ARI_MOD )
{
int fDivBy0 = 1; // correct with 1
int fSigned = fSign0 && fSign1;
if ( fSigned )
Wlc_BlastDividerSigned( pNew, Vec_IntArray(vArg0), nRangeMax, Vec_IntArray(vArg1), nRangeMax, Type == ABC_OPER_ARI_DIV, vRes );
else
Wlc_BlastDivider( pNew, Vec_IntArray(vArg0), nRangeMax, Vec_IntArray(vArg1), nRangeMax, Type == ABC_OPER_ARI_DIV, vRes );
Vec_IntShrink( vRes, nRange );
if ( !fDivBy0 )
Wlc_BlastZeroCondition( pNew, Vec_IntArray(vArg1), nRange, vRes );
return;
}
if ( Type == ABC_OPER_ARI_POW )
{
Vec_Int_t * vTemp = vDatas+4;
Vec_IntGrow( vTemp, nRangeMax );
Vec_IntGrow( vRes, nRangeMax );
Vec_IntShrink( vArg1, nSizeArg1 );
Wlc_BlastPower( pNew, Vec_IntArray(vArg0), nRangeMax, Vec_IntArray(vArg1), Vec_IntSize(vArg1), vTemp, vRes );
Vec_IntShrink( vRes, nRange );
return;
}
}
if ( nIns == 3 )
{
if ( Type == ABC_OPER_SEL_NMUX ) // $mux
{
Vec_Int_t * vArg0 = vDatas;
Vec_Int_t * vArg1 = vDatas+1;
Vec_Int_t * vArgS = vDatas+2;
Vec_Int_t * vRes = vDatas+3;
int iCtrl = Vec_IntEntry(vArgS, 0);
//Vec_IntPrint( vArg0 );
//Vec_IntPrint( vArg1 );
//Vec_IntPrint( vArgS );
assert( Vec_IntSize(vArg0) == Vec_IntSize(vArg1) );
assert( Vec_IntSize(vArg0) == nRange );
assert( Vec_IntSize(vArgS) == 1 );
assert( Vec_IntSize(vRes) == 0 );
Vec_IntForEachEntryTwo( vArg0, vArg1, iLit0, iLit1, k )
Vec_IntPush( vRes, Gia_ManHashMux(pNew, iCtrl, iLit1, iLit0) );
return;
}
if ( Type == ABC_OPER_SEL_SEL ) // $pmux
{
int i, k, iLit;
Vec_Int_t * vArgA = vDatas;
Vec_Int_t * vArgB = vDatas+1;
Vec_Int_t * vArgS = vDatas+2;
Vec_Int_t * vRes = vDatas+3;
Vec_Int_t * vTemp = vDatas+4;
assert( Vec_IntSize(vArgA) == nRange ); // widthA = widthY
assert( Vec_IntSize(vArgB) == Vec_IntSize(vArgA)*Vec_IntSize(vArgS) ); // widthB == widthA*widthS
assert( Vec_IntSize(vRes) == 0 );
for ( i = 0; i < nRange; i++ )
{
int iCond = 1;
Vec_IntClear( vTemp );
Vec_IntForEachEntry( vArgS, iLit, k ) // iLit = S[i]
{
//Vec_IntPush( vTemp, Abc_LitNot( Gia_ManHashAnd(pNew, iLit, Vec_IntEntry(vArgB, nRange*(Vec_IntSize(vArgS)-1-k)+i)) ) ); // B[widthA*k+i]
Vec_IntPush( vTemp, Abc_LitNot( Gia_ManHashAnd(pNew, iLit, Vec_IntEntry(vArgB, nRange*k+i)) ) ); // B[widthA*k+i]
iCond = Gia_ManHashAnd( pNew, iCond, Abc_LitNot(iLit) );
}
Vec_IntPush( vTemp, Abc_LitNot( Gia_ManHashAnd(pNew, iCond, Vec_IntEntry(vArgA, i)) ) );
Vec_IntPush( vRes, Abc_LitNot( Gia_ManHashAndMulti(pNew, vTemp) ) );
}
return;
}
}
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
|
