diff options
Diffstat (limited to 'src/map/scl/sclBuffer.c')
| -rw-r--r-- | src/map/scl/sclBuffer.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/map/scl/sclBuffer.c b/src/map/scl/sclBuffer.c index a13a7cf6..f7097fb1 100644 --- a/src/map/scl/sclBuffer.c +++ b/src/map/scl/sclBuffer.c @@ -36,6 +36,7 @@ struct Buf_Man_t_ // parameters int nFanMin; // the smallest fanout count to consider int nFanMax; // the largest fanout count allowed off CP + int fBufPis; // enables buffing of the combinational inputs // internal deta Abc_Ntk_t * pNtk; // logic network Vec_Int_t * vOffsets; // offsets into edge delays @@ -372,7 +373,7 @@ void Abc_BufCreateEdges( Buf_Man_t * p, Abc_Obj_t * pObj ) } void Abc_BufAddToQue( Buf_Man_t * p, Abc_Obj_t * pObj ) { - if ( Abc_ObjFanoutNum(pObj) < p->nFanMin ) + if ( Abc_ObjFanoutNum(pObj) < p->nFanMin || (!p->fBufPis && Abc_ObjIsCi(pObj)) ) return; Vec_FltWriteEntry( p->vCounts, Abc_ObjId(pObj), Abc_ObjFanoutNum(pObj) ); if ( Vec_QueIsMember(p->vQue, Abc_ObjId(pObj)) ) @@ -484,7 +485,7 @@ void Abc_BufUpdateDep( Buf_Man_t * p, Abc_Obj_t * pObj ) SeeAlso [] ***********************************************************************/ -Buf_Man_t * Buf_ManStart( Abc_Ntk_t * pNtk, int FanMin, int FanMax ) +Buf_Man_t * Buf_ManStart( Abc_Ntk_t * pNtk, int FanMin, int FanMax, int fBufPis ) { Buf_Man_t * p; Abc_Obj_t * pObj; @@ -494,6 +495,7 @@ Buf_Man_t * Buf_ManStart( Abc_Ntk_t * pNtk, int FanMin, int FanMax ) p->pNtk = pNtk; p->nFanMin = FanMin; p->nFanMax = FanMax; + p->fBufPis = fBufPis; // allocate arrays p->nObjStart = Abc_NtkObjNumMax(p->pNtk); p->nObjAlloc = (6 * Abc_NtkObjNumMax(p->pNtk) / 3) + 100; @@ -793,10 +795,10 @@ printf( "Doing nothing\n" ); // if ( DelayMax != p->DelayMax ) // printf( "%d (%.2f) ", p->DelayMax, 1.0 * p->DelayMax * p->DelayInv / BUF_SCALE ); } -Abc_Ntk_t * Abc_SclBufPerform( Abc_Ntk_t * pNtk, int FanMin, int FanMax, int fVerbose ) +Abc_Ntk_t * Abc_SclBufPerform( Abc_Ntk_t * pNtk, int FanMin, int FanMax, int fBufPis, int fVerbose ) { Abc_Ntk_t * pNew; - Buf_Man_t * p = Buf_ManStart( pNtk, FanMin, FanMax ); + Buf_Man_t * p = Buf_ManStart( pNtk, FanMin, FanMax, fBufPis ); int i, Limit = ABC_INFINITY; for ( i = 0; i < Limit && Vec_QueSize(p->vQue); i++ ) Abc_BufPerformOne( p, Vec_QuePop(p->vQue), fVerbose ); |