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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2008-05-08 08:01:00 -0700 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2008-05-08 08:01:00 -0700 |
| commit | e94ccfd3fb07d22ed426e0386ccf536e470744b7 (patch) | |
| tree | 395b99b931beee0c3416a098cc647f9b6a5b3080 /src/aig/saig/saigRetMin.c | |
| parent | 6175fcb8026bae3db5b4280b655131322d7944da (diff) | |
| download | abc-e94ccfd3fb07d22ed426e0386ccf536e470744b7.tar.gz abc-e94ccfd3fb07d22ed426e0386ccf536e470744b7.tar.bz2 abc-e94ccfd3fb07d22ed426e0386ccf536e470744b7.zip | |
Version abc80508
Diffstat (limited to 'src/aig/saig/saigRetMin.c')
| -rw-r--r-- | src/aig/saig/saigRetMin.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/aig/saig/saigRetMin.c b/src/aig/saig/saigRetMin.c index 324d8867..3935db6c 100644 --- a/src/aig/saig/saigRetMin.c +++ b/src/aig/saig/saigRetMin.c @@ -628,6 +628,8 @@ Aig_Man_t * Saig_ManRetimeMinArea( Aig_Man_t * p, int nMaxIters, int fForwardOnl if ( !fBackwardOnly ) for ( i = 0; i < nMaxIters; i++ ) { + if ( Saig_ManRegNum(pNew) == 0 ) + break; vCut = Nwk_ManDeriveRetimingCut( pNew, 1, fVerbose ); if ( Vec_PtrSize(vCut) >= Aig_ManRegNum(pNew) ) { @@ -648,6 +650,8 @@ Aig_Man_t * Saig_ManRetimeMinArea( Aig_Man_t * p, int nMaxIters, int fForwardOnl if ( !fForwardOnly && !fInitial ) for ( i = 0; i < nMaxIters; i++ ) { + if ( Saig_ManRegNum(pNew) == 0 ) + break; vCut = Nwk_ManDeriveRetimingCut( pNew, 0, fVerbose ); if ( Vec_PtrSize(vCut) >= Aig_ManRegNum(pNew) ) { @@ -666,6 +670,8 @@ Aig_Man_t * Saig_ManRetimeMinArea( Aig_Man_t * p, int nMaxIters, int fForwardOnl else if ( !fForwardOnly && fInitial ) for ( i = 0; i < nMaxIters; i++ ) { + if ( Saig_ManRegNum(pNew) == 0 ) + break; pCopy = Aig_ManDup( pNew ); pTemp = Saig_ManRetimeMinAreaBackward( pCopy, fVerbose ); Aig_ManStop( pCopy ); |