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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2016-06-29 15:36:31 -0700 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2016-06-29 15:36:31 -0700 |
| commit | d02f9dd4df982d3d2b438344e798c09c79be9222 (patch) | |
| tree | ddeb6ceecff008800feb0e5736c4e1086cd1d4c7 /src/base/wlc | |
| parent | 7dcba3e27be4fade9fbdaa07d0bee3ef5070b565 (diff) | |
| download | abc-d02f9dd4df982d3d2b438344e798c09c79be9222.tar.gz abc-d02f9dd4df982d3d2b438344e798c09c79be9222.tar.bz2 abc-d02f9dd4df982d3d2b438344e798c09c79be9222.zip | |
Bug fix in blasting shifters with large bit-width.
Diffstat (limited to 'src/base/wlc')
| -rw-r--r-- | src/base/wlc/wlcBlast.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/src/base/wlc/wlcBlast.c b/src/base/wlc/wlcBlast.c index 3ec7256a..3327e909 100644 --- a/src/base/wlc/wlcBlast.c +++ b/src/base/wlc/wlcBlast.c @@ -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 ) { |