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Save a few bytes and a few CPU cycles in sqlite3ExprListDelete() routine.

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FossilOrigin-Name: 9e6c939144a129b36bb119120442a4a021e00187783da211315d4bb13acd7c3a
This commit is contained in:
drh 2017-04-05 11:57:56 +00:00
parent f4dd26c5a0
commit ac48b751e2
3 changed files with 13 additions and 11 deletions
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manifest
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@ -1,5 +1,5 @@
C Remove\sa\sconditional\smade\sunreachable\sby\sthe\sprevious\sExprList\senhancement. C Save\sa\sfew\sbytes\sand\sa\sfew\sCPU\scycles\sin\ssqlite3ExprListDelete()\sroutine.
D 2017-04-05T11:49:06.526 D 2017-04-05T11:57:56.171
F Makefile.in 1cc758ce3374a32425e4d130c2fe7b026b20de5b8843243de75f087c0a2661fb F Makefile.in 1cc758ce3374a32425e4d130c2fe7b026b20de5b8843243de75f087c0a2661fb
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
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@ -354,7 +354,7 @@ F src/ctime.c 47d91a25ad8f199a71a5b1b7b169d6dd0d6e98c5719eca801568798743d1161c
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F src/dbstat.c 19ee7a4e89979d4df8e44cfac7a8f905ec89b77d F src/dbstat.c 19ee7a4e89979d4df8e44cfac7a8f905ec89b77d
F src/delete.c 0d9d5549d42e79ce4d82ff1db1e6c81e36d2f67c F src/delete.c 0d9d5549d42e79ce4d82ff1db1e6c81e36d2f67c
F src/expr.c d6b2f5ffa944b6ca950db65b572256e6148496bfc779c09b9e9488b8eebc93c2 F src/expr.c 15f245fd12596cd86027e1f8d15ba670ffb954189696cd529bbc399f2b5ee473
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F src/func.c 9d52522cc8ae7f5cdadfe14594262f1618bc1f86083c4cd6da861b4cf5af6174 F src/func.c 9d52522cc8ae7f5cdadfe14594262f1618bc1f86083c4cd6da861b4cf5af6174
@ -1570,7 +1570,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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a1cf44763277b6c745b5b5509ca9129b6c3231608b4d1c8aec2815b64b5a2a07 9e6c939144a129b36bb119120442a4a021e00187783da211315d4bb13acd7c3a

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src/expr.c
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@ -1656,13 +1656,15 @@ void sqlite3ExprListCheckLength(
** Delete an entire expression list. ** Delete an entire expression list.
*/ */
static SQLITE_NOINLINE void exprListDeleteNN(sqlite3 *db, ExprList *pList){ static SQLITE_NOINLINE void exprListDeleteNN(sqlite3 *db, ExprList *pList){
int i; int i = pList->nExpr;
struct ExprList_item *pItem; struct ExprList_item *pItem = pList->a;
for(pItem=pList->a, i=0; i<pList->nExpr; i++, pItem++){ assert( pList->nExpr>0 );
do{
sqlite3ExprDelete(db, pItem->pExpr); sqlite3ExprDelete(db, pItem->pExpr);
sqlite3DbFree(db, pItem->zName); sqlite3DbFree(db, pItem->zName);
sqlite3DbFree(db, pItem->zSpan); sqlite3DbFree(db, pItem->zSpan);
} pItem++;
}while( --i>0 );
sqlite3DbFree(db, pList); sqlite3DbFree(db, pList);
} }
void sqlite3ExprListDelete(sqlite3 *db, ExprList *pList){ void sqlite3ExprListDelete(sqlite3 *db, ExprList *pList){