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Get rid of OP_Dup, OP_MemStore, OP_MemLoad, and OP_MemMove. Replace

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with OP_Copy, OP_SCopy, and OP_Move.  Add the infrastructure for
operation properties in1, in2, in3, out2, and out3 but do not yet
use any of these. (CVS 4682)

FossilOrigin-Name: cc149eb9ca3c672cc6fea3528353234ac2ed5745
This commit is contained in:
drh
2008-01-05 04:06:03 +00:00
parent 4c583128bd
commit b1fdb2adea
15 changed files with 285 additions and 201 deletions
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10
src/pragma.c
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@@ -11,7 +11,7 @@
*************************************************************************
** This file contains code used to implement the PRAGMA command.
**
** $Id: pragma.c,v 1.158 2008/01/04 22:01:03 drh Exp $
** $Id: pragma.c,v 1.159 2008/01/05 04:06:04 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -300,7 +300,7 @@ void sqlite3Pragma(
static const VdbeOpList getCacheSize[] = {
{ OP_ReadCookie, 0, 0, 2}, /* 0 */
{ OP_AbsValue, 0, 0, 0},
{ OP_Dup, 0, 0, 0},
{ OP_Copy, 0, 0, 0},
{ OP_Integer, 0, 0, 0},
{ OP_Ne, 0, 6, 0},
{ OP_Integer, 0, 0, 0}, /* 5 */
@@ -830,7 +830,7 @@ void sqlite3Pragma(
** error message
*/
static const VdbeOpList endCode[] = {
{ OP_MemLoad, 1, 0, 0},
{ OP_SCopy, 1, 0, 0},
{ OP_Integer, 0, 0, 0},
{ OP_Ne, 0, 0, 0}, /* 2 */
{ OP_String8, 0, 0, 0}, /* 3 */
@@ -933,8 +933,8 @@ void sqlite3Pragma(
{ OP_Rewind, 0, 0, 0}, /* 1 */
{ OP_MemIncr, 1, 3, 0},
{ OP_Next, 0, 0, 0}, /* 3 */
{ OP_MemLoad, 2, 0, 0},
{ OP_MemLoad, 3, 0, 0},
{ OP_SCopy, 2, 0, 0},
{ OP_SCopy, 3, 0, 0},
{ OP_Eq, 0, 0, 0}, /* 6 */
{ OP_MemIncr, -1, 1, 0},
{ OP_String8, 0, 0, 0}, /* 8 */