luke
/
abc
mirror of https://github.com/YosysHQ/abc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Command '&slice' to cut out the bottom part of the AIG.

This commit is contained in:
Alan Mishchenko 2013-09-11 14:38:08 -07:00
parent deb7b6ac4f
commit b1b0202c05
3 changed files with 109 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/aig/gia/gia.h
View File

@ -975,6 +975,7 @@ extern Gia_Man_t * Gia_ManDupCones( Gia_Man_t * p, int * pPos, int nPos,
extern Gia_Man_t * Gia_ManDupOneHot( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManDupLevelized( Gia_Man_t * p );
extern Gia_Man_t * Gia_ManDupFromVecs( Gia_Man_t * p, Vec_Int_t * vCis, Vec_Int_t * vAnds, Vec_Int_t * vCos, int nRegs );
extern Gia_Man_t * Gia_ManDupSliced( Gia_Man_t * p, int nSuppMax );
/*=== giaEnable.c ==========================================================*/
extern void Gia_ManDetectSeqSignals( Gia_Man_t * p, int fSetReset, int fVerbose );
extern Gia_Man_t * Gia_ManUnrollAndCofactor( Gia_Man_t * p, int nFrames, int nFanMax, int fVerbose );

48
src/aig/gia/giaDup.c
View File

@ -2521,6 +2521,54 @@ Gia_Man_t * Gia_ManDupFromVecs( Gia_Man_t * p, Vec_Int_t * vCis, Vec_Int_t * vAn
return pNew;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Gia_Man_t * Gia_ManDupSliced( Gia_Man_t * p, int nSuppMax )
{
Gia_Man_t * pNew;
Gia_Obj_t * pObj;
int i;
// start the new manager
pNew = Gia_ManStart( 5000 );
pNew->pName = Abc_UtilStrsav( p->pName );
// create constant and PIs
Gia_ManConst0(p)->Value = 0;
Gia_ManForEachCi( p, pObj, i )
pObj->Value = Gia_ManAppendCi( pNew );
// create internal nodes
Gia_ManCleanMark01(p);
Gia_ManForEachAnd( p, pObj, i )
if ( Gia_ManSuppSize(p, &i, 1) <= nSuppMax )
{
pObj->Value = Gia_ManAppendAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
pObj->fMark0 = 1;
}
else
{
Gia_ObjFanin0(pObj)->fMark1 = 1;
Gia_ObjFanin1(pObj)->fMark1 = 1;
}
Gia_ManForEachCo( p, pObj, i )
Gia_ObjFanin0(pObj)->fMark1 = 1;
// add POs for the nodes pointed to
Gia_ManForEachAnd( p, pObj, i )
if ( pObj->fMark0 && pObj->fMark1 )
Gia_ManAppendCo( pNew, pObj->Value );
// cleanup and leave
Gia_ManCleanMark01(p);
return pNew;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////

60
src/base/abci/abc.c
View File

@ -390,6 +390,7 @@ static int Abc_CommandAbc9Iso ( Abc_Frame_t * pAbc, int argc, cha
static int Abc_CommandAbc9CexInfo ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Cycle ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Cone ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Slice ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9PoPart ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9MultiProve ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc9Bmc ( Abc_Frame_t * pAbc, int argc, char ** argv );
@ -946,6 +947,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "ABC9", "&cexinfo", Abc_CommandAbc9CexInfo, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&cycle", Abc_CommandAbc9Cycle, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&cone", Abc_CommandAbc9Cone, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&slice", Abc_CommandAbc9Slice, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&popart", Abc_CommandAbc9PoPart, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&mprove", Abc_CommandAbc9MultiProve, 0 );
Cmd_CommandAdd( pAbc, "ABC9", "&bmc", Abc_CommandAbc9Bmc, 0 );
@ -31520,6 +31522,64 @@ usage:
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_CommandAbc9Slice( Abc_Frame_t * pAbc, int argc, char ** argv )
{
Gia_Man_t * pTemp;
int c, nSuppSize = 6, fVerbose = 0;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "Svh" ) ) != EOF )
{
switch ( c )
{
case 'S':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-S\" should be followed by an integer.\n" );
goto usage;
}
nSuppSize = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nSuppSize < 0 )
goto usage;
break;
case 'v':
fVerbose ^= 1;
break;
case 'h':
goto usage;
default:
goto usage;
}
}
if ( pAbc->pGia == NULL )
{
Abc_Print( -1, "Abc_CommandAbc9Slice(): There is no AIG.\n" );
return 1;
}
pTemp = Gia_ManDupSliced( pAbc->pGia, nSuppSize );
Abc_FrameUpdateGia( pAbc, pTemp );
return 0;
usage:
Abc_Print( -2, "usage: &slice [-S num] [-vh]\n" );
Abc_Print( -2, "\t cuts the lower part of the AIG with nodes using their support\n" );
Abc_Print( -2, "\t-S num : the largest support size to keep in the slide [default = %d]\n", nSuppSize );
Abc_Print( -2, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" );
Abc_Print( -2, "\t-h : print the command usage\n");
return 1;
}
/**Function*************************************************************
Synopsis []