diff options
Diffstat (limited to 'src/base/abci/abc.c')
| -rw-r--r-- | src/base/abci/abc.c | 123 |
1 files changed, 122 insertions, 1 deletions
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c index 8927279f..ffab5116 100644 --- a/src/base/abci/abc.c +++ b/src/base/abci/abc.c @@ -63,6 +63,7 @@ static int Abc_CommandDisjoint ( Abc_Frame_t * pAbc, int argc, char ** argv static int Abc_CommandRewrite ( Abc_Frame_t * pAbc, int argc, char ** argv ); static int Abc_CommandRefactor ( Abc_Frame_t * pAbc, int argc, char ** argv ); static int Abc_CommandRestructure ( Abc_Frame_t * pAbc, int argc, char ** argv ); +static int Abc_CommandResubstitute ( Abc_Frame_t * pAbc, int argc, char ** argv ); static int Abc_CommandLogic ( Abc_Frame_t * pAbc, int argc, char ** argv ); static int Abc_CommandMiter ( Abc_Frame_t * pAbc, int argc, char ** argv ); @@ -165,6 +166,7 @@ void Abc_Init( Abc_Frame_t * pAbc ) Cmd_CommandAdd( pAbc, "Synthesis", "rewrite", Abc_CommandRewrite, 1 ); Cmd_CommandAdd( pAbc, "Synthesis", "refactor", Abc_CommandRefactor, 1 ); Cmd_CommandAdd( pAbc, "Synthesis", "restructure", Abc_CommandRestructure, 1 ); + Cmd_CommandAdd( pAbc, "Synthesis", "resub", Abc_CommandResubstitute, 1 ); // Cmd_CommandAdd( pAbc, "Various", "logic", Abc_CommandLogic, 1 ); Cmd_CommandAdd( pAbc, "Various", "miter", Abc_CommandMiter, 1 ); @@ -2574,7 +2576,7 @@ int Abc_CommandRestructure( Abc_Frame_t * pAbc, int argc, char ** argv ) case 'K': if ( globalUtilOptind >= argc ) { - fprintf( pErr, "Command line switch \"-N\" should be followed by an integer.\n" ); + fprintf( pErr, "Command line switch \"-K\" should be followed by an integer.\n" ); goto usage; } nCutMax = atoi(argv[globalUtilOptind]); @@ -2638,6 +2640,125 @@ usage: return 1; } +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +int Abc_CommandResubstitute( Abc_Frame_t * pAbc, int argc, char ** argv ) +{ + FILE * pOut, * pErr; + Abc_Ntk_t * pNtk; + int RS_CUT_MIN = 4; + int RS_CUT_MAX = 16; + int c; + int nCutMax; + int nNodesMax; + bool fUpdateLevel; + bool fUseZeros; + bool fVerbose; + extern int Abc_NtkResubstitute( Abc_Ntk_t * pNtk, int nCutMax, int nNodesMax, bool fUpdateLevel, bool fVerbose ); + + pNtk = Abc_FrameReadNtk(pAbc); + pOut = Abc_FrameReadOut(pAbc); + pErr = Abc_FrameReadErr(pAbc); + + // set defaults + nCutMax = 8; + nNodesMax = 1; + fUpdateLevel = 1; + fUseZeros = 0; + fVerbose = 0; + Extra_UtilGetoptReset(); + while ( ( c = Extra_UtilGetopt( argc, argv, "KNlzvh" ) ) != EOF ) + { + switch ( c ) + { + case 'K': + if ( globalUtilOptind >= argc ) + { + fprintf( pErr, "Command line switch \"-K\" should be followed by an integer.\n" ); + goto usage; + } + nCutMax = atoi(argv[globalUtilOptind]); + globalUtilOptind++; + if ( nCutMax < 0 ) + goto usage; + break; + case 'N': + if ( globalUtilOptind >= argc ) + { + fprintf( pErr, "Command line switch \"-N\" should be followed by an integer.\n" ); + goto usage; + } + nNodesMax = atoi(argv[globalUtilOptind]); + globalUtilOptind++; + if ( nNodesMax < 0 ) + goto usage; + break; + case 'l': + fUpdateLevel ^= 1; + break; + case 'z': + fUseZeros ^= 1; + break; + case 'v': + fVerbose ^= 1; + break; + case 'h': + goto usage; + default: + goto usage; + } + } + + if ( pNtk == NULL ) + { + fprintf( pErr, "Empty network.\n" ); + return 1; + } + if ( nCutMax < RS_CUT_MIN || nCutMax > RS_CUT_MAX ) + { + fprintf( pErr, "Can only compute the cuts for %d <= K <= %d.\n", RS_CUT_MIN, RS_CUT_MAX ); + return 1; + } + if ( !Abc_NtkIsStrash(pNtk) ) + { + fprintf( pErr, "This command can only be applied to an AIG (run \"strash\").\n" ); + return 1; + } + if ( Abc_NtkGetChoiceNum(pNtk) ) + { + fprintf( pErr, "AIG resynthesis cannot be applied to AIGs with choice nodes.\n" ); + return 1; + } + + // modify the current network + if ( !Abc_NtkResubstitute( pNtk, nCutMax, nNodesMax, fUpdateLevel, fVerbose ) ) + { + fprintf( pErr, "Refactoring has failed.\n" ); + return 1; + } + return 0; + +usage: + fprintf( pErr, "usage: resub [-K num] [-N num] [-lzvh]\n" ); + fprintf( pErr, "\t performs technology-independent restructuring of the AIG\n" ); + fprintf( pErr, "\t-K num : the max cut size (%d <= num <= %d) [default = %d]\n", RS_CUT_MIN, RS_CUT_MAX, nCutMax ); + fprintf( pErr, "\t-N num : the max number of nodes to add [default = %d]\n", nNodesMax ); + fprintf( pErr, "\t-l : toggle preserving the number of levels [default = %s]\n", fUpdateLevel? "yes": "no" ); + fprintf( pErr, "\t-z : toggle using zero-cost replacements [default = %s]\n", fUseZeros? "yes": "no" ); + fprintf( pErr, "\t-v : toggle verbose printout [default = %s]\n", fVerbose? "yes": "no" ); + fprintf( pErr, "\t-h : print the command usage\n"); + return 1; +} + /**Function************************************************************* |