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Bug fix in blasting shifters with large bit-width.

This commit is contained in:
Alan Mishchenko 2016-06-29 15:36:31 -07:00
parent 7dcba3e27b
commit d02f9dd4df
1 changed files with 15 additions and 9 deletions
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24
src/base/wlc/wlcBlast.c
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@ -143,16 +143,19 @@ void Wlc_BlastShiftRightInt( Gia_Man_t * pNew, int * pNum, int nNum, int * pShif
void Wlc_BlastShiftRight( Gia_Man_t * pNew, int * pNum, int nNum, int * pShift, int nShift, int fSticky, Vec_Int_t * vRes )
{
int nShiftMax = Abc_Base2Log(nNum);
int * pShiftNew = ABC_ALLOC( int, nShift );
memcpy( pShiftNew, pShift, sizeof(int)*nShift );
if ( nShiftMax < nShift && nShift > 30 )
{
int i, iRes = pShift[nShiftMax];
int i, iRes = pShiftNew[nShiftMax];
for ( i = nShiftMax + 1; i < nShift; i++ )
iRes = Gia_ManHashOr( pNew, iRes, pShift[i] );
pShift[nShiftMax++] = iRes;
iRes = Gia_ManHashOr( pNew, iRes, pShiftNew[i] );
pShiftNew[nShiftMax++] = iRes;
}
else
nShiftMax = nShift;
Wlc_BlastShiftRightInt( pNew, pNum, nNum, pShift, nShiftMax, fSticky, vRes );
Wlc_BlastShiftRightInt( pNew, pNum, nNum, pShiftNew, nShiftMax, fSticky, vRes );
ABC_FREE( pShiftNew );
}
void Wlc_BlastShiftLeftInt( Gia_Man_t * pNew, int * pNum, int nNum, int * pShift, int nShift, int fSticky, Vec_Int_t * vRes )
{
@ -176,16 +179,19 @@ void Wlc_BlastShiftLeftInt( Gia_Man_t * pNew, int * pNum, int nNum, int * pShift
void Wlc_BlastShiftLeft( Gia_Man_t * pNew, int * pNum, int nNum, int * pShift, int nShift, int fSticky, Vec_Int_t * vRes )
{
int nShiftMax = Abc_Base2Log(nNum);
if ( nShiftMax < nShift && nShift > 30 )
int * pShiftNew = ABC_ALLOC( int, nShift );
memcpy( pShiftNew, pShift, sizeof(int)*nShift );
if ( nShiftMax < nShift )
{
int i, iRes = pShift[nShiftMax];
int i, iRes = pShiftNew[nShiftMax];
for ( i = nShiftMax + 1; i < nShift; i++ )
iRes = Gia_ManHashOr( pNew, iRes, pShift[i] );
pShift[nShiftMax++] = iRes;
iRes = Gia_ManHashOr( pNew, iRes, pShiftNew[i] );
pShiftNew[nShiftMax++] = iRes;
}
else
nShiftMax = nShift;
Wlc_BlastShiftLeftInt( pNew, pNum, nNum, pShift, nShiftMax, fSticky, vRes );
Wlc_BlastShiftLeftInt( pNew, pNum, nNum, pShiftNew, nShiftMax, fSticky, vRes );
ABC_FREE( pShiftNew );
}
void Wlc_BlastRotateRight( Gia_Man_t * pNew, int * pNum, int nNum, int * pShift, int nShift, Vec_Int_t * vRes )
{