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Improvements to MiniAIG.

This commit is contained in:
Alan Mishchenko 2022-05-22 19:47:13 -07:00
parent 4f7bf91003
commit 5a3e0a1f15
1 changed files with 22 additions and 3 deletions
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25
src/aig/miniaig/miniaig.h
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@ -280,18 +280,37 @@ static int Mini_AigAndMulti( Mini_Aig_t * p, int * pLits, int nLits )
}
return pLits[0];
}
static int Mini_AigMuxMulti( Mini_Aig_t * p, int * pCtrl, int * pData, int nData )
static int Mini_AigMuxMulti( Mini_Aig_t * p, int * pCtrl, int nCtrl, int * pData, int nData )
{
int i, c;
assert( nData > 0 );
if ( nCtrl == 0 )
return pData[0];
assert( nData <= (1 << nCtrl) );
for ( c = 0; c < nCtrl; c++ )
{
for ( i = 0; i < nData/2; i++ )
pData[i] = Mini_AigMux( p, pCtrl[c], pData[2*i+1], pData[2*i] );
if ( nData & 1 )
pData[i++] = Mini_AigMux( p, pCtrl[c], 0, pData[nData-1] );
nData = i;
}
assert( nData == 1 );
return pData[0];
}
static int Mini_AigMuxMulti_rec( Mini_Aig_t * p, int * pCtrl, int * pData, int nData )
{
int Res0, Res1;
assert( nData > 0 );
if ( nData == 1 )
return pData[0];
assert( nData % 2 == 0 );
Res0 = Mini_AigMuxMulti( p, pCtrl+1, pData, nData/2 );
Res1 = Mini_AigMuxMulti( p, pCtrl+1, pData+nData/2, nData/2 );
Res0 = Mini_AigMuxMulti_rec( p, pCtrl+1, pData, nData/2 );
Res1 = Mini_AigMuxMulti_rec( p, pCtrl+1, pData+nData/2, nData/2 );
return Mini_AigMux( p, pCtrl[0], Res1, Res0 );
}
static unsigned s_MiniTruths5[5] = {
0xAAAAAAAA,
0xCCCCCCCC,