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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2020-03-06 13:59:53 -0800 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2020-03-06 13:59:53 -0800 |
| commit | 2855c94fc167ad5d27423b57642f9da54eb8728e (patch) | |
| tree | d6824e11bdcdbc6e089e552143978e1fe5b46bc7 | |
| parent | 1a41d496df1a63fd6347a36931d17f0f5b70bd74 (diff) | |
| download | abc-2855c94fc167ad5d27423b57642f9da54eb8728e.tar.gz abc-2855c94fc167ad5d27423b57642f9da54eb8728e.tar.bz2 abc-2855c94fc167ad5d27423b57642f9da54eb8728e.zip | |
Corner-case bug-fix in retiming (corrected fix).
| -rw-r--r-- | src/base/wln/wlnRetime.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/base/wln/wlnRetime.c b/src/base/wln/wlnRetime.c index 2d7c814b..734ac194 100644 --- a/src/base/wln/wlnRetime.c +++ b/src/base/wln/wlnRetime.c @@ -487,6 +487,8 @@ void Wln_RetRetimeForward( Wln_Ret_t * p, Vec_Int_t * vSet ) Vec_IntForEachEntry( vSet, iObj, i ) { iFlop = Wln_RetRemoveOneFanin( p, iObj ); + if ( iFlop == -1 ) + continue; Wln_RetInsertOneFanout( p, iObj, iFlop ); } } @@ -496,6 +498,8 @@ void Wln_RetRetimeBackward( Wln_Ret_t * p, Vec_Int_t * vSet ) Vec_IntForEachEntry( vSet, iObj, i ) { iFlop = Wln_RetRemoveOneFanout( p, iObj ); + if ( iFlop == -1 ) + continue; Wln_RetInsertOneFanin( p, iObj, iFlop ); } } |