From: drh <>
Date: Sat, 14 Feb 2026 20:48:58 +0000 (+0000)
Subject: Another minor performance refinement.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4bee65dcb97b772b682e49def78f26d0a3400cbf;p=thirdparty%2Fsqlite.git

Another minor performance refinement.

FossilOrigin-Name: 9d3a12d3926d55efffdc84bff342bd1dbccd08426104aeb2d339b064bf6f02f4
---

diff --git a/manifest b/manifest
index 9850fcd8eb..a9a9ebd545 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Minor\scorrections.
-D 2026-02-14T19:42:55.437
+C Another\sminor\sperformance\srefinement.
+D 2026-02-14T20:48:58.637
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -743,7 +743,7 @@ F src/shell.c.in b944a21d98cc4c6107bfd1ec702440579cb4bf86435125b67ff661180e9453b
 F src/sqlite.h.in 8bcbaecfe2cbecf8c5c1381354fcdd7d307443e88b4953fccb222456c1267b61
 F src/sqlite3.rc 015537e6ac1eec6c7050e17b616c2ffe6f70fca241835a84a4f0d5937383c479
 F src/sqlite3ext.h 1b7a0ee438bb5c2896d0609c537e917d8057b3340f6ad004d2de44f03e3d3cca
-F src/sqliteInt.h 7f42e42286634092758864472ea445feb45e654c1659b7f5e723ea70939b34dc
+F src/sqliteInt.h b30f6ec44e695d00d83f83bdf3b8dd31a6537c48d909c7abb78643c49784d988
 F src/sqliteLimit.h 904a3f520362c7065c18165aaabd504fb13cc1b76cb411f38bd41ac219e4af1e
 F src/status.c 7565d63a79aa2f326339a24a0461a60096d0bd2bce711fefb50b5c89335f3592
 F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
@@ -803,7 +803,7 @@ F src/trigger.c cb894db98083c68c4a17c72566ed39434aa91286db20d2891279ee49e6bfec0c
 F src/update.c 3e5e7ff66fa19ebe4d1b113d480639a24cc1175adbefabbd1a948a07f28e37cf
 F src/upsert.c 215328c3f91623c520ec8672c44323553f12caeb4f01b1090ebdca99fdf7b4f1
 F src/utf.c 7267c3fb9e2467020507601af3354c2446c61f444387e094c779dccd5ca62165
-F src/util.c d61abbf3b7f847dd50ce22acf058a1c655340306404c6c7a3dca82e0163d8f0b
+F src/util.c dcb787b77edcaf0f89b64e565d54a5edb209542e58a9486011ea4c02b6c6c429
 F src/vacuum.c d3d35d8ae893d419ade5fa196d761a83bddcbb62137a1a157ae751ef38b26e82
 F src/vdbe.c fa28a8f740f3d94c4e6b6d42ba90c220472683486268e753017512a70ef715f5
 F src/vdbe.h 966d0677a540b7ea6549b7c4e1312fc0d830fce3a235a58c801f2cc31cf5ecf9
@@ -2194,8 +2194,8 @@ F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee
 F tool/warnings.sh d924598cf2f55a4ecbc2aeb055c10bd5f48114793e7ba25f9585435da29e7e98
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
 F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
-P c5a4da1bf7af8f8ec4b3273f88b09c01ce90986c8a5ce3d03319bd094706c411
-R 7fcc5141a9c1b98b1ccfeeaa3a1bba48
+P 93fdee20021b8cc2a113ea042fedbccd8b53b6aceeeb34c0810e6d3a5f106f07
+R 18d39bc4715509a368296882a035272e
 U drh
-Z cf7b408004d4308aa433deccabaff64f
+Z b2a09b8ec1a49f705731dfc617a2c1b1
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 928dec8bd2..c15c2cda97 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-93fdee20021b8cc2a113ea042fedbccd8b53b6aceeeb34c0810e6d3a5f106f07
+9d3a12d3926d55efffdc84bff342bd1dbccd08426104aeb2d339b064bf6f02f4
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 664b8afd95..e10467e8ec 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -1070,6 +1070,7 @@ typedef INT16_TYPE LogEst;
 #else
 # define EIGHT_BYTE_ALIGNMENT(X)   ((((uptr)(X) - (uptr)0)&7)==0)
 #endif
+#define TWO_BYTE_ALIGNMENT(X)      ((((uptr)(X) - (uptr)0)&1)==0)
 
 /*
 ** Disable MMAP on platforms where it is known to not work
diff --git a/src/util.c b/src/util.c
index fc0f5d9021..c87f120b2e 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1837,12 +1837,16 @@ void sqlite3FpDecode(FpDecode *p, double r, int iRound, int mxRound){
       "80818283848586878889"
       "90919293949596979899";
     int kk = (v%100)*2;
-    p->zBuf[i] = dig[kk+1];
-    p->zBuf[i-1] = dig[kk];
+    assert( TWO_BYTE_ALIGNMENT(&dig[kk]) );
+    assert( TWO_BYTE_ALIGNMENT(&p->zBuf[i-1]) );
+    *(u16*)(&p->zBuf[i-1]) = *(u16*)&dig[kk];
     i -= 2;
-    v /=100;
+    v /= 100;
+  }
+  if( v ){
+    assert( v<10 );
+    p->zBuf[i--] = v + '0';
   }
-  if( v ){  p->zBuf[i--] = (v%10) + '0'; v /= 10; }
   assert( i>=0 && i<sizeof(p->zBuf)-1 );
   p->n = sizeof(p->zBuf) - 1 - i;
   assert( p->n>0 );