391   int p5;  in codeCompare()  local
401   p5 = binaryCompareP5(pLeft, pRight, jumpIfNull);  in codeCompare()
404   sqlite3VdbeChangeP5(pParse->pVdbe, (u8)p5);  in codeCompare()
619   u8 p5                 /* SQLITE_NULLEQ or zero */  in codeVectorCompare()  argument
646   assert( p5==0 || pExpr->op!=op );  in codeVectorCompare()
647   assert( p5==SQLITE_NULLEQ || pExpr->op==op );  in codeVectorCompare()
666     codeCompare(pParse, pL, pR, opx, r1, r2, addrDone, p5, isCommuted);  in codeVectorCompare()
680     if( p5==SQLITE_NULLEQ ){  in codeVectorCompare()
3842   u8 p5            /* P5 value for OP_Column + FLAGS */  in sqlite3ExprCodeGetColumn()  argument
3846   if( p5 ){  in sqlite3ExprCodeGetColumn()
3848     if( pOp->opcode==OP_Column ) pOp->p5 = p5;  in sqlite3ExprCodeGetColumn()
4106   int p5 = 0;  in sqlite3ExprCodeTarget()  local
4311       p5 = SQLITE_NULLEQ;  in sqlite3ExprCodeTarget()
4321         codeVectorCompare(pParse, pExpr, target, op, p5);  in sqlite3ExprCodeTarget()
4327             sqlite3VdbeCurrentAddr(v)+2, p5,  in sqlite3ExprCodeTarget()
4335         if( p5==SQLITE_NULLEQ ){  in sqlite3ExprCodeTarget()
5088          && pOp->p5==0  /* The do-not-merge flag must be clear */  in sqlite3ExprCodeExprList()