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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2013-02-01 03:57:17 +0700 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2013-02-01 03:57:17 +0700 |
| commit | 30ec58fcda8c5227db6a03ed9c136967581d456c (patch) | |
| tree | 1ab773bcbf37926be06671787e2be330db471eab | |
| parent | e6be7ddfe69f74c658d04f822724bfdcf39ee412 (diff) | |
| download | abc-30ec58fcda8c5227db6a03ed9c136967581d456c.tar.gz abc-30ec58fcda8c5227db6a03ed9c136967581d456c.tar.bz2 abc-30ec58fcda8c5227db6a03ed9c136967581d456c.zip | |
Added switch 'zeropo -s' to skip comb sweep after removing a PO.
| -rw-r--r-- | src/base/abc/abcNtk.c | 4 | ||||
| -rw-r--r-- | src/base/abci/abc.c | 13 |
2 files changed, 12 insertions, 5 deletions
diff --git a/src/base/abc/abcNtk.c b/src/base/abc/abcNtk.c index 30223793..761fe49a 100644 --- a/src/base/abc/abcNtk.c +++ b/src/base/abc/abcNtk.c @@ -1711,7 +1711,7 @@ void Abc_NtkDropSatOutputs( Abc_Ntk_t * pNtk, Vec_Ptr_t * vCexes, int fVerbose ) SeeAlso [] ***********************************************************************/ -void Abc_NtkDropOneOutput( Abc_Ntk_t * pNtk, int iOutput ) +void Abc_NtkDropOneOutput( Abc_Ntk_t * pNtk, int iOutput, int fSkipSweep ) { Abc_Obj_t * pObj, * pConst0, * pFaninNew; pObj = Abc_NtkPo( pNtk, iOutput ); @@ -1725,6 +1725,8 @@ void Abc_NtkDropOneOutput( Abc_Ntk_t * pNtk, int iOutput ) pFaninNew = Abc_ObjNotCond( pConst0, Abc_ObjFaninC0(pObj) ); Abc_ObjPatchFanin( pObj, Abc_ObjFanin0(pObj), pFaninNew ); assert( Abc_ObjChild0(pObj) == pConst0 ); + if ( fSkipSweep ) + return; Abc_AigCleanup( (Abc_Aig_t *)pNtk->pManFunc ); } diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c index e7a3991e..aca047c4 100644 --- a/src/base/abci/abc.c +++ b/src/base/abci/abc.c @@ -6295,11 +6295,12 @@ int Abc_CommandZeroPo( Abc_Frame_t * pAbc, int argc, char ** argv ) { Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc);//, * pNtkRes = NULL; int c, iOutput = -1; - extern void Abc_NtkDropOneOutput( Abc_Ntk_t * pNtk, int iOutput ); + int fSkipSweep = 0; + extern void Abc_NtkDropOneOutput( Abc_Ntk_t * pNtk, int iOutput, int fSkipSweep ); // set defaults Extra_UtilGetoptReset(); - while ( ( c = Extra_UtilGetopt( argc, argv, "Nh" ) ) != EOF ) + while ( ( c = Extra_UtilGetopt( argc, argv, "Nsh" ) ) != EOF ) { switch ( c ) { @@ -6314,6 +6315,9 @@ int Abc_CommandZeroPo( Abc_Frame_t * pAbc, int argc, char ** argv ) if ( iOutput < 0 ) goto usage; break; + case 's': + fSkipSweep ^= 1; + break; default: goto usage; } @@ -6345,13 +6349,14 @@ int Abc_CommandZeroPo( Abc_Frame_t * pAbc, int argc, char ** argv ) // pNtkRes = Abc_NtkDup( pNtk ); // Abc_NtkDropOneOutput( pNtkRes, iOutput ); // Abc_FrameReplaceCurrentNetwork( pAbc, pNtkRes ); - Abc_NtkDropOneOutput( pNtk, iOutput ); + Abc_NtkDropOneOutput( pNtk, iOutput, fSkipSweep ); return 0; usage: - Abc_Print( -2, "usage: zeropo [-N <num>] [-h]\n" ); + Abc_Print( -2, "usage: zeropo [-N <num>] [-sh]\n" ); Abc_Print( -2, "\t replaces the PO driver by constant 0\n" ); Abc_Print( -2, "\t-N <num> : the zero-based index of the PO to replace [default = %d]\n", iOutput ); + Abc_Print( -2, "\t-s : performs comb sweep after removimg a PO [default = %s]\n", !fSkipSweep? "yes": "no" ); Abc_Print( -2, "\t-h : print the command usage\n"); return 1; } |