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

Experiments with inductive don't-cares.

This commit is contained in:
Alan Mishchenko 2014-02-15 10:09:55 -08:00
parent 2bad26634c
commit e1a80a3d01
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/base/abci/abc.c
View File

@ -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" );