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author | Alan Mishchenko <alanmi@berkeley.edu> | 2014-02-15 10:09:55 -0800 |
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committer | Alan Mishchenko <alanmi@berkeley.edu> | 2014-02-15 10:09:55 -0800 |
commit | e1a80a3d018bb56726b9e98b9b3a829049a9a485 (patch) | |
tree | c38f850a6354dfad782fca475ca8b384d842b65c /src/base | |
parent | 2bad26634c6d2fb0d804c10dbc0d269be636c0e1 (diff) | |
download | abc-e1a80a3d018bb56726b9e98b9b3a829049a9a485.tar.gz abc-e1a80a3d018bb56726b9e98b9b3a829049a9a485.tar.bz2 abc-e1a80a3d018bb56726b9e98b9b3a829049a9a485.zip |
Experiments with inductive don't-cares.
Diffstat (limited to 'src/base')
-rw-r--r-- | src/base/abci/abc.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c index 4e37282a..4ba68609 100644 --- a/src/base/abci/abc.c +++ b/src/base/abci/abc.c @@ -4588,11 +4588,11 @@ int Abc_CommandMfs2( Abc_Frame_t * pAbc, int argc, char ** argv ) extern int Abc_NtkMfsAfterICheck( Abc_Ntk_t * p, int nFrames, int nFramesAdd, Vec_Int_t * vFlops, Sfm_Par_t * pPars ); Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc); Sfm_Par_t Pars, * pPars = &Pars; - int c, fIndDCs = 0, nFramesAdd = 0; + int c, fIndDCs = 0, fUseAllFfs = 0, nFramesAdd = 0; // set defaults Sfm_ParSetDefault( pPars ); Extra_UtilGetoptReset(); - while ( ( c = Extra_UtilGetopt( argc, argv, "WFDMLCZNIdaeivwh" ) ) != EOF ) + while ( ( c = Extra_UtilGetopt( argc, argv, "WFDMLCZNIdaeijvwh" ) ) != EOF ) { switch ( c ) { @@ -4707,6 +4707,9 @@ int Abc_CommandMfs2( Abc_Frame_t * pAbc, int argc, char ** argv ) case 'i': fIndDCs ^= 1; break; + case 'j': + fUseAllFfs ^= 1; + break; case 'v': pPars->fVerbose ^= 1; break; @@ -4731,6 +4734,13 @@ int Abc_CommandMfs2( Abc_Frame_t * pAbc, int argc, char ** argv ) } if ( fIndDCs ) { + if ( fUseAllFfs ) + { + pAbc->nIndFrames = 1; + Vec_IntFreeP( &pAbc->vIndFlops ); + pAbc->vIndFlops = Vec_IntAlloc( Abc_NtkLatchNum(pNtk) ); + Vec_IntFill( pAbc->vIndFlops, Abc_NtkLatchNum(pNtk), 1 ); + } if ( pAbc->nIndFrames <= 0 ) { Abc_Print( -1, "The number of k-inductive frames is not specified.\n" ); @@ -4780,6 +4790,7 @@ usage: Abc_Print( -2, "\t-a : toggle minimizing area or area+edges [default = %s]\n", pPars->fArea? "area": "area+edges" ); Abc_Print( -2, "\t-e : toggle high-effort resubstitution [default = %s]\n", pPars->fMoreEffort? "yes": "no" ); Abc_Print( -2, "\t-i : toggle using inductive don't-cares [default = %s]\n", fIndDCs? "yes": "no" ); + Abc_Print( -2, "\t-j : toggle using all flops with \"-i\" is enabled [default = %s]\n", fUseAllFfs? "yes": "no" ); Abc_Print( -2, "\t-I : the number of additional frames inserted [default = %d]\n", nFramesAdd ); Abc_Print( -2, "\t-v : toggle printing optimization summary [default = %s]\n", pPars->fVerbose? "yes": "no" ); Abc_Print( -2, "\t-w : toggle printing detailed stats for each node [default = %s]\n", pPars->fVeryVerbose? "yes": "no" ); |