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Overview
Comment:Performance optimization for sqlite3VdbeAddOp4().
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SHA1: 04716c907bf9fc9b827e18fdc7b4e1069e201536
User & Date: drh 2016-12-07 20:09:51.583
Context
2016-12-07
20:22
The use P4_DYNAMIC in place of the P4_MPRINTF operand type. (check-in: 3954f83798 user: drh tags: trunk)
20:09
Performance optimization for sqlite3VdbeAddOp4(). (check-in: 04716c907b user: drh tags: trunk)
17:06
Put the SQLITE_UNTESTABLE compile-time option in the correct order for PRAGMA compile_options. (check-in: 24574a15a3 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/vdbeaux.c.
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  int op,             /* The new opcode */
  int p1,             /* The P1 operand */
  int p2,             /* The P2 operand */
  int p3,             /* The P3 operand */
  int p4              /* The P4 operand as an integer */
){
  int addr = sqlite3VdbeAddOp3(p, op, p1, p2, p3);


  sqlite3VdbeChangeP4(p, addr, SQLITE_INT_TO_PTR(p4), P4_INT32);


  return addr;
}

/* Insert the end of a co-routine
*/
void sqlite3VdbeEndCoroutine(Vdbe *v, int regYield){
  sqlite3VdbeAddOp1(v, OP_EndCoroutine, regYield);








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  int op,             /* The new opcode */
  int p1,             /* The P1 operand */
  int p2,             /* The P2 operand */
  int p3,             /* The P3 operand */
  int p4              /* The P4 operand as an integer */
){
  int addr = sqlite3VdbeAddOp3(p, op, p1, p2, p3);
  if( p->db->mallocFailed==0 ){
    VdbeOp *pOp = &p->aOp[addr];
    pOp->p4type = P4_INT32;
    pOp->p4.i = p4;
  }
  return addr;
}

/* Insert the end of a co-routine
*/
void sqlite3VdbeEndCoroutine(Vdbe *v, int regYield){
  sqlite3VdbeAddOp1(v, OP_EndCoroutine, regYield);
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