From 5453820cd5a82d803de6d440e705da78770614b3 Mon Sep 17 00:00:00 2001 From: Alan Mishchenko Date: Wed, 6 Jan 2016 16:50:42 -0800 Subject: Adding switch &miter -x for XORs outputs of two word-level POs. --- src/aig/gia/gia.h | 1 + src/aig/gia/giaDup.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 32 insertions(+) (limited to 'src/aig/gia') diff --git a/src/aig/gia/gia.h b/src/aig/gia/gia.h index b282e0c8..17660aa3 100644 --- a/src/aig/gia/gia.h +++ b/src/aig/gia/gia.h @@ -1163,6 +1163,7 @@ extern Gia_Man_t * Gia_ManDupAndOr( Gia_Man_t * p, int nOuts, int fUseOr extern Gia_Man_t * Gia_ManDupZeroUndc( Gia_Man_t * p, char * pInit, int fVerbose ); extern Gia_Man_t * Gia_ManMiter2( Gia_Man_t * p, char * pInit, int fVerbose ); extern Gia_Man_t * Gia_ManTransformMiter( Gia_Man_t * p ); +extern Gia_Man_t * Gia_ManTransformMiter2( Gia_Man_t * p ); extern Gia_Man_t * Gia_ManTransformToDual( Gia_Man_t * p ); extern Gia_Man_t * Gia_ManChoiceMiter( Vec_Ptr_t * vGias ); extern Gia_Man_t * Gia_ManDupWithConstraints( Gia_Man_t * p, Vec_Int_t * vPoTypes ); diff --git a/src/aig/gia/giaDup.c b/src/aig/gia/giaDup.c index ffb3e74d..96aaa7c3 100644 --- a/src/aig/gia/giaDup.c +++ b/src/aig/gia/giaDup.c @@ -2458,6 +2458,37 @@ Gia_Man_t * Gia_ManTransformMiter( Gia_Man_t * p ) Gia_ManStop( pTemp ); return pNew; } +Gia_Man_t * Gia_ManTransformMiter2( Gia_Man_t * p ) +{ + Gia_Man_t * pNew, * pTemp; + Gia_Obj_t * pObj, * pObj2; + int i, iLit, nPart = Gia_ManPoNum(p)/2; + assert( (Gia_ManPoNum(p) & 1) == 0 ); + pNew = Gia_ManStart( Gia_ManObjNum(p) ); + pNew->pName = Abc_UtilStrsav( p->pName ); + pNew->pSpec = Abc_UtilStrsav( p->pSpec ); + Gia_ManConst0(p)->Value = 0; + Gia_ManHashAlloc( pNew ); + Gia_ManForEachCi( p, pObj, i ) + pObj->Value = Gia_ManAppendCi( pNew ); + Gia_ManForEachAnd( p, pObj, i ) + pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) ); + Gia_ManForEachPo( p, pObj, i ) + { + if ( i == nPart ) + break; + pObj2 = Gia_ManPo( p, nPart + i ); + iLit = Gia_ManHashXor( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin0Copy(pObj2) ); + Gia_ManAppendCo( pNew, iLit ); + } + Gia_ManForEachRi( p, pObj, i ) + pObj->Value = Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) ); + Gia_ManHashStop( pNew ); + Gia_ManSetRegNum( pNew, Gia_ManRegNum(p) ); + pNew = Gia_ManCleanup( pTemp = pNew ); + Gia_ManStop( pTemp ); + return pNew; +} Gia_Man_t * Gia_ManTransformToDual( Gia_Man_t * p ) { Gia_Man_t * pNew; -- cgit v1.2.3