diff options
Diffstat (limited to 'src/opt/dau')
-rw-r--r-- | src/opt/dau/dauEnum.c | 253 | ||||
-rw-r--r-- | src/opt/dau/module.make | 3 |
2 files changed, 255 insertions, 1 deletions
diff --git a/src/opt/dau/dauEnum.c b/src/opt/dau/dauEnum.c new file mode 100644 index 00000000..58e44c02 --- /dev/null +++ b/src/opt/dau/dauEnum.c @@ -0,0 +1,253 @@ +/**CFile**************************************************************** + + FileName [dauEnum.c] + + SystemName [ABC: Logic synthesis and verification system.] + + PackageName [DAG-aware unmapping.] + + Synopsis [Enumeration of decompositions.] + + Author [Alan Mishchenko] + + Affiliation [UC Berkeley] + + Date [Ver. 1.0. Started - June 20, 2005.] + + Revision [$Id: dauEnum.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $] + +***********************************************************************/ + +#include "dauInt.h" + +ABC_NAMESPACE_IMPL_START + +//////////////////////////////////////////////////////////////////////// +/// DECLARATIONS /// +//////////////////////////////////////////////////////////////////////// + + +//////////////////////////////////////////////////////////////////////// +/// FUNCTION DEFINITIONS /// +//////////////////////////////////////////////////////////////////////// + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +char * Dau_EnumLift( char * pName, int Shift ) +{ + static char pBuffer[64]; + char * pTemp; + for ( pTemp = pBuffer; *pName; pTemp++, pName++ ) + *pTemp = (*pName >= 'a' && *pName <= 'z') ? *pName + Shift : *pName; + *pTemp = 0; + return pBuffer; +} +char * Dau_EnumLift2( char * pName, int Shift ) +{ + static char pBuffer[64]; + char * pTemp; + for ( pTemp = pBuffer; *pName; pTemp++, pName++ ) + *pTemp = (*pName >= 'a' && *pName <= 'z') ? *pName + Shift : *pName; + *pTemp = 0; + return pBuffer; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Dau_EnumCombineTwo( Vec_Ptr_t * vOne, int fStar, int fXor, char * pName1, char * pName2, int Shift2, int fCompl1, int fCompl2 ) +{ + static char pBuffer[256]; + pName2 = Dau_EnumLift( pName2, Shift2 ); + sprintf( pBuffer, "%s%c%s%s%s%s%c", + fStar?"*":"", + fXor?'[':'(', + fCompl1?"!":"", pName1[0] == '*' ? pName1 + 1 : pName1, + fCompl2?"!":"", pName2[0] == '*' ? pName2 + 1 : pName2, + fXor?']':')' ); +// printf( "%s ", pBuffer ); + Vec_PtrPush( vOne, Abc_UtilStrsav(pBuffer) ); +} +void Dau_EnumCombineThree( Vec_Ptr_t * vOne, int fStar, char * pNameC, char * pName1, char * pName2, int Shift1, int Shift2, int fComplC, int fCompl1, int fCompl2 ) +{ + static char pBuffer[256]; + pName1 = Dau_EnumLift( pName1, Shift1 ); + pName2 = Dau_EnumLift2( pName2, Shift2 ); + sprintf( pBuffer, "%s%c%s%s%s%s%s%s%c", + fStar?"*":"", + '<', + fComplC?"!":"", pNameC[0] == '*' ? pNameC + 1 : pNameC, + fCompl1?"!":"", pName1[0] == '*' ? pName1 + 1 : pName1, + fCompl2?"!":"", pName2[0] == '*' ? pName2 + 1 : pName2, + '>' ); +// printf( "%s ", pBuffer ); + Vec_PtrPush( vOne, Abc_UtilStrsav(pBuffer) ); +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Dau_EnumTestDump( Vec_Ptr_t * vSets, char * pFileName ) +{ + FILE * pFile; + Vec_Ptr_t * vOne; + char * pName; + int v, k; + pFile = fopen( pFileName, "wb" ); + if ( pFile == NULL ) + return; + Vec_PtrForEachEntry( Vec_Ptr_t *, vSets, vOne, v ) + { + fprintf( pFile, "VARIABLE NUMBER %d:\n", v ); + Vec_PtrForEachEntry( char *, vOne, pName, k ) + fprintf( pFile, "%s\n", pName ); + } + fclose( pFile ); +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Dau_EnumTest() +{ + int v, k, nVarMax = 10; + Vec_Ptr_t * vSets; + Vec_Ptr_t * vOne; + char * pName; + // 0 vars + vSets = Vec_PtrAlloc( 16 ); + Vec_PtrPush( vSets, Vec_PtrAlloc(0) ); + // 1 vars + vOne = Vec_PtrAlloc( 1 ); + Vec_PtrPush( vOne, Abc_UtilStrsav("*a") ); + Vec_PtrPush( vSets, vOne ); + // 2+ vars + for ( v = 2; v <= nVarMax; v++ ) + { + Vec_Ptr_t * vSetI, * vSetJ, * vSetK; + char * pNameI, * pNameJ, * pNameK; + int i, j, k, i1, j1, k1; + vOne = Vec_PtrAlloc( 100 ); + for ( i = 1; i < v; i++ ) + for ( j = i; j < v; j++ ) + { + if ( i + j != v ) + continue; + vSetI = (Vec_Ptr_t *)Vec_PtrEntry( vSets, i ); + vSetJ = (Vec_Ptr_t *)Vec_PtrEntry( vSets, j ); + Vec_PtrForEachEntry( char *, vSetI, pNameI, i1 ) + Vec_PtrForEachEntry( char *, vSetJ, pNameJ, j1 ) + { + // AND(a,b) + Dau_EnumCombineTwo( vOne, 0, 0, pNameI, pNameJ, i, 0, 0 ); + // AND(!a,b) + if ( pNameI[0] != '*' ) + Dau_EnumCombineTwo( vOne, 0, 0, pNameI, pNameJ, i, 1, 0 ); + // AND(a,!b) + if ( pNameJ[0] != '*' && !(i == j && i1 == j1) ) + Dau_EnumCombineTwo( vOne, 0, 0, pNameI, pNameJ, i, 0, 1 ); + // AND(!a,!b) + if ( pNameI[0] != '*' && pNameJ[0] != '*' ) + Dau_EnumCombineTwo( vOne, 0, 0, pNameI, pNameJ, i, 1, 1 ); + // XOR(a,b) + Dau_EnumCombineTwo( vOne, pNameI[0] == '*' || pNameJ[0] == '*', 1, pNameI, pNameJ, i, 0, 0 ); + } + } + for ( k = 1; k < v; k++ ) + for ( i = 1; i < v; i++ ) + for ( j = i; j < v; j++ ) + { + if ( k + i + j != v ) + continue; + vSetK = (Vec_Ptr_t *)Vec_PtrEntry( vSets, k ); + vSetI = (Vec_Ptr_t *)Vec_PtrEntry( vSets, i ); + vSetJ = (Vec_Ptr_t *)Vec_PtrEntry( vSets, j ); + Vec_PtrForEachEntry( char *, vSetK, pNameK, k1 ) + Vec_PtrForEachEntry( char *, vSetI, pNameI, i1 ) + Vec_PtrForEachEntry( char *, vSetJ, pNameJ, j1 ) + { + int fStar = pNameI[0] == '*' && pNameJ[0] == '*'; + + // MUX(c,a,b) + Dau_EnumCombineThree( vOne, fStar, pNameK, pNameI, pNameJ, k, k+i, 0, 0, 0 ); + // MUX(c,!a,b) + if ( pNameI[0] != '*' ) + Dau_EnumCombineThree( vOne, fStar, pNameK, pNameI, pNameJ, k, k+i, 0, 1, 0 ); + // MUX(c,a,!b) + if ( pNameJ[0] != '*' && !(i == j && i1 == j1) ) + Dau_EnumCombineThree( vOne, fStar, pNameK, pNameI, pNameJ, k, k+i, 0, 0, 1 ); + + if ( pNameK[0] != '*' && !(i == j && i1 == j1) ) + { + // MUX(!c,a,b) + Dau_EnumCombineThree( vOne, fStar, pNameK, pNameI, pNameJ, k, k+i, 1, 0, 0 ); + // MUX(!c,!a,b) + if ( pNameI[0] != '*' ) + Dau_EnumCombineThree( vOne, fStar, pNameK, pNameI, pNameJ, k, k+i, 1, 1, 0 ); + // MUX(!c,a,!b) + if ( pNameJ[0] != '*' ) + Dau_EnumCombineThree( vOne, fStar, pNameK, pNameI, pNameJ, k, k+i, 1, 0, 1 ); + } + } + } + Vec_PtrPush( vSets, vOne ); + } + Dau_EnumTestDump( vSets, "_npn/npn/dsd10.txt" ); + + Vec_PtrForEachEntry( Vec_Ptr_t *, vSets, vOne, v ) + { + printf( "VARIABLE NUMBER %d:\n", v ); + Vec_PtrForEachEntry( char *, vOne, pName, k ) + printf( "%s\n", pName ); + if ( v == 4 ) + break; + } + Vec_PtrForEachEntry( Vec_Ptr_t *, vSets, vOne, v ) + { + printf( "%d=%d ", v, Vec_PtrSize(vOne) ); + Vec_PtrFreeFree( vOne ); + } + Vec_PtrFree( vSets ); + printf( "\n" ); +} + +//////////////////////////////////////////////////////////////////////// +/// END OF FILE /// +//////////////////////////////////////////////////////////////////////// + + +ABC_NAMESPACE_IMPL_END + diff --git a/src/opt/dau/module.make b/src/opt/dau/module.make index c58d8807..87a800e9 100644 --- a/src/opt/dau/module.make +++ b/src/opt/dau/module.make @@ -1,3 +1,4 @@ SRC += src/opt/dau/dau.c \ src/opt/dau/dauCore.c \ - src/opt/dau/dauDsd.c + src/opt/dau/dauDsd.c \ + src/opt/dau/dauEnum.c |