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Registerification of the VDBE is complete. The operand stack has been

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removed from the code.  All instructions operate out of registers only. (CVS 4718)

FossilOrigin-Name: 706b41b70bd1e2030e6fa44358c38a26c5cf0985
This commit is contained in:
drh
2008-01-17 16:22:13 +00:00
parent 07a518ebf6
commit 9cbf3425fb
20 changed files with 394 additions and 680 deletions
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src/vdbeInt.h
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@@ -291,8 +291,6 @@ struct Vdbe {
int nLabel; /* Number of labels used */
int nLabelAlloc; /* Number of slots allocated in aLabel[] */
int *aLabel; /* Space to hold the labels */
Mem *aStack; /* The operand stack, except string values */
Mem *pTos; /* Top entry in the operand stack */
Mem **apArg; /* Arguments to currently executing user function */
Mem *aColName; /* Column names to return */
int nCursor; /* Number of slots in apCsr[] */
@@ -319,7 +317,6 @@ struct Vdbe {
int returnDepth; /* Next unused element in returnStack[] */
int nResColumn; /* Number of columns in one row of the result set */
char **azResColumn; /* Values for one row of result */
int popStack; /* Pop the stack this much on entry to VdbeExec() */
char *zErrMsg; /* Error message written here */
Mem *pResultSet; /* Pointer to an array of results */
u8 explain; /* True if EXPLAIN present on SQL command */