diff options
| author | Alan Mishchenko <alanmi@berkeley.edu> | 2014-02-12 12:05:23 -0800 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2014-02-12 12:05:23 -0800 |
| commit | ee72a4caf645cf7057cdfdfc4099fb91ee45e1db (patch) | |
| tree | 12c8338d49f060f8c6ab6ecb757893198bb477b4 /src/base/abci/abcMfs.c | |
| parent | 646b2169f0381f133562a01795007d6e0ff88816 (diff) | |
| download | abc-ee72a4caf645cf7057cdfdfc4099fb91ee45e1db.tar.gz abc-ee72a4caf645cf7057cdfdfc4099fb91ee45e1db.tar.bz2 abc-ee72a4caf645cf7057cdfdfc4099fb91ee45e1db.zip | |
Experiments with inductive don't-cares.
Diffstat (limited to 'src/base/abci/abcMfs.c')
| -rw-r--r-- | src/base/abci/abcMfs.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/base/abci/abcMfs.c b/src/base/abci/abcMfs.c index 502906a4..e6d07993 100644 --- a/src/base/abci/abcMfs.c +++ b/src/base/abci/abcMfs.c @@ -298,12 +298,13 @@ int Abc_NtkPerformMfs( Abc_Ntk_t * pNtk, Sfm_Par_t * pPars ) SeeAlso [] ***********************************************************************/ -Abc_Ntk_t * Abc_NtkUnrollAndDrop( Abc_Ntk_t * p, int nFrames, Vec_Int_t * vFlops, int * piPivot ) +Abc_Ntk_t * Abc_NtkUnrollAndDrop( Abc_Ntk_t * p, int nFrames, int nFramesAdd, Vec_Int_t * vFlops, int * piPivot ) { Abc_Ntk_t * pNtk; Abc_Obj_t * pFanin, * pNode; Vec_Ptr_t * vNodes; int i, k, f, Value; + assert( nFramesAdd >= 0 ); assert( Abc_NtkIsLogic(p) ); assert( Vec_IntSize(vFlops) == Abc_NtkLatchNum(p) ); *piPivot = -1; @@ -315,7 +316,7 @@ Abc_Ntk_t * Abc_NtkUnrollAndDrop( Abc_Ntk_t * p, int nFrames, Vec_Int_t * vFlops pNode->pCopy = Abc_NtkCreatePi( pNtk ); // iterate unrolling vNodes = Abc_NtkDfs( p, 0 ); - for ( f = 0; f <= nFrames; f++ ) + for ( f = 0; f <= nFrames + nFramesAdd; f++ ) { if ( f > 0 ) { @@ -343,7 +344,7 @@ Abc_Ntk_t * Abc_NtkUnrollAndDrop( Abc_Ntk_t * p, int nFrames, Vec_Int_t * vFlops Abc_NtkForEachLatch( p, pNode, i ) Abc_ObjFanout0(pNode)->pCopy = Abc_ObjFanin0(pNode)->pCopy; // add final POs - if ( f > 0 ) + if ( f > nFramesAdd ) { Vec_IntForEachEntry( vFlops, Value, i ) { @@ -427,7 +428,7 @@ void Abc_NtkReinsertNodes( Abc_Ntk_t * p, Abc_Ntk_t * pNtk, int iPivot ) SeeAlso [] ***********************************************************************/ -int Abc_NtkMfsAfterICheck( Abc_Ntk_t * p, int nFrames, Vec_Int_t * vFlops, Sfm_Par_t * pPars ) +int Abc_NtkMfsAfterICheck( Abc_Ntk_t * p, int nFrames, int nFramesAdd, Vec_Int_t * vFlops, Sfm_Par_t * pPars ) { Sfm_Ntk_t * pp; int nFaninMax, nNodes; @@ -444,7 +445,7 @@ int Abc_NtkMfsAfterICheck( Abc_Ntk_t * p, int nFrames, Vec_Int_t * vFlops, Sfm_P if ( !Abc_NtkHasSop(p) ) Abc_NtkToSop( p, 0 ); // derive unfolded network - pNtk = Abc_NtkUnrollAndDrop( p, nFrames, vFlops, &iPivot ); + pNtk = Abc_NtkUnrollAndDrop( p, nFrames, nFramesAdd, vFlops, &iPivot ); Io_WriteBlifLogic( pNtk, "unroll_dump.blif", 0 ); // collect information pp = Abc_NtkExtractMfs2( pNtk, iPivot ); |