contrib/sqlite3/sqlite3.c

91900 ** Indicate that registers between iReg..iReg+nReg-1 are being overwritten.
91903 SQLITE_PRIVATE void sqlite3ExprCacheRemove(Parse *pParse, int iReg, int nReg){
91908     if( p->iReg >= iReg && p->iReg < iReg+nReg ) cacheEntryClear(pParse, p);
92093 ** Generate code to move content from registers iFrom...iFrom+nReg-1
92094 ** over to iTo..iTo+nReg-1. Keep the column cache up-to-date.
92096 SQLITE_PRIVATE void sqlite3ExprCodeMove(Parse *pParse, int iFrom, int iTo, int nReg){
92097   assert( iFrom>=iTo+nReg || iFrom+nReg<=iTo );
92098   sqlite3VdbeAddOp3(pParse->pVdbe, OP_Move, iFrom, iTo, nReg);
92099   sqlite3ExprCacheRemove(pParse, iFrom, nReg);
93782 ** Allocate or deallocate a block of nReg consecutive registers
93784 SQLITE_PRIVATE int sqlite3GetTempRange(Parse *pParse, int nReg){
93788   if( nReg<=n ){
93790     pParse->iRangeReg += nReg;
93791     pParse->nRangeReg -= nReg;
93794     pParse->nMem += nReg;
93798 SQLITE_PRIVATE void sqlite3ReleaseTempRange(Parse *pParse, int iReg, int nReg){
93799   sqlite3ExprCacheRemove(pParse, iReg, nReg);
93800   if( nReg>pParse->nRangeReg ){
93801     pParse->nRangeReg = nReg;
118147   int nReg = pAggInfo->nFunc + pAggInfo->nColumn;
118148   if( nReg==0 ) return;
118152   assert( nReg==pAggInfo->mxReg-pAggInfo->mnReg+1 );
123974   int nReg;                     /* Number of registers to allocate */
123988   nReg = pLoop->u.btree.nEq + nExtraReg;
123989   pParse->nMem += nReg;
124026       if( nReg==1 ){