From: drh <drh@noemail.net>
Date: Fri, 20 May 2016 15:53:47 +0000 (+0000)
Subject: Performance optimization and size reduction on the freeP4() routine.
X-Git-Tag: version-3.14.0~153
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f431a87c7cb50114aad67b893811ce122dabc88e;p=thirdparty%2Fsqlite.git

Performance optimization and size reduction on the freeP4() routine.

FossilOrigin-Name: 4dc56e8684e0c74fb311c7f0ef1c367da8c7bf70
---

diff --git a/manifest b/manifest
index 6ef842be89..72e47730ac 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Increase\sthe\sversion\snumber\sto\s3.14.0\ssince\swe\sare\salready\smaking\ssignificant\ncode\schanges.
-D 2016-05-20T15:24:14.463
+C Performance\soptimization\sand\ssize\sreduction\son\sthe\sfreeP4()\sroutine.
+D 2016-05-20T15:53:47.755
 F Makefile.in f59e0763ff448719fc1bd25513882b0567286317
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 306d73e854b1a92ea06e5d1e637faa5c44de53c7
@@ -448,7 +448,7 @@ F src/vdbe.c d71b935d2b21bef874680c34329adedc3b021101
 F src/vdbe.h 5591b5add447096e31288b5a0a78ec5d7b5c5170
 F src/vdbeInt.h ddb157974436d87652de7dc641f7191496d9a8cd
 F src/vdbeapi.c ba85b78fe08dc4a9ce747e62c89a2b4a4547e74c
-F src/vdbeaux.c ace1875da40b7185e604586768d5ac90de7e4f7f
+F src/vdbeaux.c 1d6b9a979d1036db7bc39990e9e683f19520bc5c
 F src/vdbeblob.c c9f2f494b911c6fa34efd9803f0a10807da80f77
 F src/vdbemem.c 5cfef60e60e19cab6275d1b975bf4c791d575beb
 F src/vdbesort.c 91fda3909326860382b0ca8aa251e609c6a9d62c
@@ -1490,7 +1490,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 3d55d24dcb27f07d1e645738ee4707e4df923036
-R 89664580415a847eedcfc718be56bf0d
+P 1a0d05765fa2e69ccd4c98782cf9f5c5b2897719
+R 734aa09fb2d1f30b69a973bc3d2e2b77
 U drh
-Z 8bf855953d20db149698d180b3489eaf
+Z d36b58bb8581f51b9b8f33e10b0489c2
diff --git a/manifest.uuid b/manifest.uuid
index 1aa0fd4a5f..da9f09cbad 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-1a0d05765fa2e69ccd4c98782cf9f5c5b2897719
\ No newline at end of file
+4dc56e8684e0c74fb311c7f0ef1c367da8c7bf70
\ No newline at end of file
diff --git a/src/vdbeaux.c b/src/vdbeaux.c
index 0f9dab8e19..bce676f10c 100644
--- a/src/vdbeaux.c
+++ b/src/vdbeaux.c
@@ -791,7 +791,7 @@ void sqlite3VdbeJumpHere(Vdbe *p, int addr){
 ** the FuncDef is not ephermal, then do nothing.
 */
 static void freeEphemeralFunction(sqlite3 *db, FuncDef *pDef){
-  if( ALWAYS(pDef) && (pDef->funcFlags & SQLITE_FUNC_EPHEM)!=0 ){
+  if( (pDef->funcFlags & SQLITE_FUNC_EPHEM)!=0 ){
     sqlite3DbFree(db, pDef);
   }
 }
@@ -801,12 +801,20 @@ static void vdbeFreeOpArray(sqlite3 *, Op *, int);
 /*
 ** Delete a P4 value if necessary.
 */
+static SQLITE_NOINLINE void freeP4Mem(sqlite3 *db, Mem *p){
+  if( p->szMalloc ) sqlite3DbFree(db, p->zMalloc);
+  sqlite3DbFree(db, p);
+}
+static SQLITE_NOINLINE void freeP4FuncCtx(sqlite3 *db, sqlite3_context *p){
+  freeEphemeralFunction(db, p->pFunc);
+  sqlite3DbFree(db, p);
+}
 static void freeP4(sqlite3 *db, int p4type, void *p4){
   assert( db );
   switch( p4type ){
     case P4_FUNCCTX: {
-      freeEphemeralFunction(db, ((sqlite3_context*)p4)->pFunc);
-      /* Fall through into the next case */
+      freeP4FuncCtx(db, (sqlite3_context*)p4);
+      break;
     }
     case P4_REAL:
     case P4_INT64:
@@ -837,9 +845,7 @@ static void freeP4(sqlite3 *db, int p4type, void *p4){
       if( db->pnBytesFreed==0 ){
         sqlite3ValueFree((sqlite3_value*)p4);
       }else{
-        Mem *p = (Mem*)p4;
-        if( p->szMalloc ) sqlite3DbFree(db, p->zMalloc);
-        sqlite3DbFree(db, p);
+        freeP4Mem(db, (Mem*)p4);
       }
       break;
     }