diff options
| author | drh <> | 2022-07-25 19:05:24 +0000 |
|---|---|---|
| committer | drh <> | 2022-07-25 19:05:24 +0000 |
| commit | 058e99502a70abb5e67bead9a4146f4523ff89d9 (patch) | |
| tree | 6575a09911c40e273f018fb1984a92a75627ec01 /src/expr.c | |
| parent | 6aabb72618e1f8e5898dd408f01f7de8bdad2e2f (diff) | |
| download | sqlite-058e99502a70abb5e67bead9a4146f4523ff89d9.tar.gz sqlite-058e99502a70abb5e67bead9a4146f4523ff89d9.zip | |
Small performance increase and size reduction by splitting out the
sqlite3VdbeGetLastOp() from sqlite3VdbeGetOp().
FossilOrigin-Name: 92ac01d41d46ab73e189b1e5596ea63e5edb5b15639c5d7bdb981b95366c069b
Diffstat (limited to 'src/expr.c')
| -rw-r--r-- | src/expr.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/expr.c b/src/expr.c index c9c7c2e76..c383f6f65 100644 --- a/src/expr.c +++ b/src/expr.c @@ -3835,7 +3835,7 @@ int sqlite3ExprCodeGetColumn( assert( pParse->pVdbe!=0 ); sqlite3ExprCodeGetColumnOfTable(pParse->pVdbe, pTab, iTable, iColumn, iReg); if( p5 ){ - VdbeOp *pOp = sqlite3VdbeGetOp(pParse->pVdbe,-1); + VdbeOp *pOp = sqlite3VdbeGetLastOp(pParse->pVdbe); if( pOp->opcode==OP_Column ) pOp->p5 = p5; } return iReg; @@ -3904,7 +3904,7 @@ static int exprCodeVector(Parse *pParse, Expr *p, int *piFreeable){ ** so that a subsequent copy will not be merged into this one. */ static void setDoNotMergeFlagOnCopy(Vdbe *v){ - if( sqlite3VdbeGetOp(v, -1)->opcode==OP_Copy ){ + if( sqlite3VdbeGetLastOp(v)->opcode==OP_Copy ){ sqlite3VdbeChangeP5(v, 1); /* Tag trailing OP_Copy as not mergable */ } } @@ -5026,7 +5026,7 @@ int sqlite3ExprCodeExprList( if( inReg!=target+i ){ VdbeOp *pOp; if( copyOp==OP_Copy - && (pOp=sqlite3VdbeGetOp(v, -1))->opcode==OP_Copy + && (pOp=sqlite3VdbeGetLastOp(v))->opcode==OP_Copy && pOp->p1+pOp->p3+1==inReg && pOp->p2+pOp->p3+1==target+i && pOp->p5==0 /* The do-not-merge flag must be clear */ |