diff options
Diffstat (limited to 'src/map/mio/mioRead.c')
| -rw-r--r-- | src/map/mio/mioRead.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/map/mio/mioRead.c b/src/map/mio/mioRead.c index b5b334da..edc2af40 100644 --- a/src/map/mio/mioRead.c +++ b/src/map/mio/mioRead.c @@ -601,14 +601,16 @@ static inline Mio_Gate_t * Mio_GateCompare( Mio_Gate_t * pThis, Mio_Gate_t * pNe void Mio_LibraryDetectSpecialGates( Mio_Library_t * pLib ) { Mio_Gate_t * pGate; - word uFuncBuf, uFuncInv, uFuncNand2, uFuncAnd2; + word uFuncBuf, uFuncInv, uFuncNand2, uFuncAnd2, uFuncNor2, uFuncOr2; Mio_LibrarySortGates( pLib ); uFuncBuf = ABC_CONST(0xAAAAAAAAAAAAAAAA); uFuncAnd2 = ABC_CONST(0xAAAAAAAAAAAAAAAA) & ABC_CONST(0xCCCCCCCCCCCCCCCC); + uFuncOr2 = ABC_CONST(0xAAAAAAAAAAAAAAAA) | ABC_CONST(0xCCCCCCCCCCCCCCCC); uFuncInv = ~uFuncBuf; uFuncNand2 = ~uFuncAnd2; + uFuncNor2 = ~uFuncOr2; // get smallest-area buffer Mio_LibraryForEachGate( pLib, pGate ) @@ -630,12 +632,15 @@ void Mio_LibraryDetectSpecialGates( Mio_Library_t * pLib ) // get smallest-area NAND2/AND2 gates Mio_LibraryForEachGate( pLib, pGate ) + { pLib->pGateNand2 = Mio_GateCompare( pLib->pGateNand2, pGate, uFuncNand2 ); - Mio_LibraryForEachGate( pLib, pGate ) pLib->pGateAnd2 = Mio_GateCompare( pLib->pGateAnd2, pGate, uFuncAnd2 ); - if ( pLib->pGateAnd2 == NULL && pLib->pGateNand2 == NULL ) + pLib->pGateNor2 = Mio_GateCompare( pLib->pGateNor2, pGate, uFuncNor2 ); + pLib->pGateOr2 = Mio_GateCompare( pLib->pGateOr2, pGate, uFuncOr2 ); + } + if ( pLib->pGateAnd2 == NULL && pLib->pGateNand2 == NULL && pLib->pGateNor2 == NULL && pLib->pGateOr2 == NULL ) { - printf( "Warnings: genlib library reader cannot detect the AND2 or NAND2 gate.\n" ); + printf( "Warnings: genlib library reader cannot detect the AND2, NAND2, OR2, and NOR2 gate.\n" ); printf( "Some parts of the supergate-based technology mapper may not work correctly.\n" ); } } |