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All essential opcodes can now operate out of registers and completely

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avoid the stack.  Many still optionally use the stack to support legacy
code generation, but the stack is not required.  The next step is to
update all code generation to avoid using the stack. (CVS 4700)

FossilOrigin-Name: e3cf1c1c114bcda8fe577beb5ee55b4a651b96db
This commit is contained in:
drh
2008-01-09 23:04:12 +00:00
parent c920628f26
commit 98757157ee
15 changed files with 380 additions and 453 deletions
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5
src/expr.c
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@@ -12,7 +12,7 @@
** This file contains routines used for analyzing expressions and
** for generating VDBE code that evaluates expressions in SQLite.
**
** $Id: expr.c,v 1.339 2008/01/09 02:15:39 drh Exp $
** $Id: expr.c,v 1.340 2008/01/09 23:04:12 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -2210,8 +2210,9 @@ int sqlite3ExprCode(Parse *pParse, Expr *pExpr, int target){
if( !pColl ) pColl = pParse->db->pDfltColl;
sqlite3VdbeAddOp4(v, OP_CollSeq, 0, 0, 0, (char *)pColl, P4_COLLSEQ);
}
sqlite3VdbeAddOp4(v, OP_Function, constMask, nExpr, 0,
sqlite3VdbeAddOp4(v, OP_Function, constMask, 0, 0,
(char*)pDef, P4_FUNCDEF);
sqlite3VdbeChangeP5(v, nExpr);
break;
}
#ifndef SQLITE_OMIT_SUBQUERY