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Begin setting a foundation on which to convert the VM from a stack-based

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to a register-based machine.  Everything is still mostly stack based with
this check-in.  This change merely begins adding infrastructure to support
a register-based architecture. (CVS 4652)

FossilOrigin-Name: 051ec01f2799e095516015f2ef0180e50fac387c
This commit is contained in:
drh
2008-01-02 00:34:36 +00:00
parent 8f2c54e6e2
commit d4e70ebd6f
17 changed files with 403 additions and 225 deletions
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15
src/insert.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle INSERT statements in SQLite.
**
** $Id: insert.c,v 1.198 2008/01/01 19:02:09 danielk1977 Exp $
** $Id: insert.c,v 1.199 2008/01/02 00:34:37 drh Exp $
*/
#include "sqliteInt.h"
@@ -129,8 +129,8 @@ static int readsTable(Vdbe *v, int iStartAddr, int iDb, Table *pTab){
}
}
#ifndef SQLITE_OMIT_VIRTUALTABLE
if( pOp->opcode==OP_VOpen && pOp->p3==(const char*)pTab->pVtab ){
assert( pOp->p3!=0 );
if( pOp->opcode==OP_VOpen && pOp->p3.p==(const char*)pTab->pVtab ){
assert( pOp->p3.p!=0 );
assert( pOp->p3type==P3_VTAB );
return 1;
}
@@ -875,8 +875,7 @@ void sqlite3Insert(
** invoke the callback function.
*/
if( db->flags & SQLITE_CountRows && pParse->nested==0 && !pParse->trigStack ){
sqlite3VdbeAddOp(v, OP_MemLoad, iCntMem, 0);
sqlite3VdbeAddOp(v, OP_Callback, 1, 0);
sqlite3VdbeAddOp(v, OP_ResultRow, iCntMem, 1);
sqlite3VdbeSetNumCols(v, 1);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "rows inserted", P3_STATIC);
}
@@ -1298,7 +1297,7 @@ void sqlite3OpenTableAndIndices(
KeyInfo *pKey = sqlite3IndexKeyinfo(pParse, pIdx);
assert( pIdx->pSchema==pTab->pSchema );
sqlite3VdbeAddOp(v, OP_Integer, iDb, 0);
VdbeComment((v, "# %s", pIdx->zName));
VdbeComment((v, "%s", pIdx->zName));
sqlite3VdbeOp3(v, op, i+base, pIdx->tnum, (char*)pKey, P3_KEYINFO_HANDOFF);
}
if( pParse->nTab<=base+i ){
@@ -1597,12 +1596,12 @@ static int xferOptimization(
sqlite3VdbeAddOp(v, OP_Close, iDest, 0);
sqlite3VdbeAddOp(v, OP_Integer, iDbSrc, 0);
pKey = sqlite3IndexKeyinfo(pParse, pSrcIdx);
VdbeComment((v, "# %s", pSrcIdx->zName));
VdbeComment((v, "%s", pSrcIdx->zName));
sqlite3VdbeOp3(v, OP_OpenRead, iSrc, pSrcIdx->tnum,
(char*)pKey, P3_KEYINFO_HANDOFF);
sqlite3VdbeAddOp(v, OP_Integer, iDbDest, 0);
pKey = sqlite3IndexKeyinfo(pParse, pDestIdx);
VdbeComment((v, "# %s", pDestIdx->zName));
VdbeComment((v, "%s", pDestIdx->zName));
sqlite3VdbeOp3(v, OP_OpenWrite, iDest, pDestIdx->tnum,
(char*)pKey, P3_KEYINFO_HANDOFF);
addr1 = sqlite3VdbeAddOp(v, OP_Rewind, iSrc, 0);