From 7151010919cff7ab5134173f5d22fdf534104c34 Mon Sep 17 00:00:00 2001
From: drh <>
Date: Tue, 1 Oct 2024 19:10:47 +0000
Subject: [PATCH] New #ifdefs to omit code that is unused when SQLITE_USE_LONG
 DOUBLE is defined.

FossilOrigin-Name: 98066e2d226e7d2eceec1931a1432baea956f49bf3c708d8a6d511fa4e864ca3
---
 manifest          | 18 +++++++++---------
 manifest.uuid     |  2 +-
 src/util.c        |  4 ++++
 src/vdbeaux.c     |  6 +++++-
 test/speedtest1.c | 12 +++++++++---
 5 files changed, 28 insertions(+), 14 deletions(-)

diff --git a/manifest b/manifest
index 65c7f28e25..ac49e358bf 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Another\scomment\sabout\sthe\sLONGDOUBLE\swasm\stopic.\sNo\scode\schanges.
-D 2024-10-01T17:57:55.467
+C New\s#ifdefs\sto\somit\scode\sthat\sis\sunused\swhen\sSQLITE_USE_LONG\sDOUBLE\sis\sdefined.
+D 2024-10-01T19:10:47.855
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -835,13 +835,13 @@ F src/trigger.c 0bb986a5b96047fd597c6aac28588853df56064e576e6b81ba777ef2ccaac461
 F src/update.c 0e01aa6a3edf9ec112b33eb714b9016a81241497b1fb7c3e74332f4f71756508
 F src/upsert.c 215328c3f91623c520ec8672c44323553f12caeb4f01b1090ebdca99fdf7b4f1
 F src/utf.c 7bc550af6f3ddd5f5dc82d092c41f728acb760c92e0b47f391963b01ae52569b
-F src/util.c ae41aadb960cb15d17e8bb9ec0ebb514e1f7ead773ae9fba281ed67c4d240c48
+F src/util.c aea7987484ec05764eabdd63b55eb63ea85cfb5b95dde70a667711c1d326f1a7
 F src/vacuum.c b763b6457bd058d2072ef9364832351fd8d11e8abf70cbb349657360f7d55c40
 F src/vdbe.c be5f58bc29f60252e041a618eae59e8d57d460ba136c5403cf0abf955560c457
 F src/vdbe.h c2549a215898a390de6669cfa32adba56f0d7e17ba5a7f7b14506d6fd5f0c36a
 F src/vdbeInt.h af7d7e8291edd0b19f2cd698e60e4d4031078f9a2f2328ac8f0b7efb134f8a1d
 F src/vdbeapi.c 53c7e26a2c0821a892b20eee2cde4656e31998212f3d515576c780dfaa45fd17
-F src/vdbeaux.c aa1bd97dc53406c26619b847f4c7f4f0137ee8c7ba9b266f93351e06aefb522e
+F src/vdbeaux.c a30204ae8820ee5165736c2e67fe9b62ad47690c72248b4adba0435b0b3f8bfe
 F src/vdbeblob.c 255be187436da38b01f276c02e6a08103489bbe2a7c6c21537b7aecbe0e1f797
 F src/vdbemem.c df568ef0187e4be2788c35174f6d9b8566ab9475f9aff2d73907ed05aa5684b2
 F src/vdbesort.c d0a3c7056c081703c8b6d91ad60f17da5e062a5c64bf568ed0fa1b5f4cae311f
@@ -1668,7 +1668,7 @@ F test/speed3.test 694affeb9100526007436334cf7d08f3d74b85ef
 F test/speed4.test abc0ad3399dcf9703abed2fff8705e4f8e416715
 F test/speed4p.explain 6b5f104ebeb34a038b2f714150f51d01143e59aa
 F test/speed4p.test 377a0c48e5a92e0b11c1c5ebb1bc9d83a7312c922bc0cb05970ef5d6a96d1f0c
-F test/speedtest1.c 19c9b60908d25502d2831f97efee8b81006c356ab8c08327e25d24a4144f2131
+F test/speedtest1.c 82f273f6df420bb1563d5202277e4a907e4e032a96a86fa7cf8c7aed34b32724
 F test/spellfix.test 951a6405d49d1a23d6b78027d3877b4a33eeb8221dcab5704b499755bb4f552e
 F test/spellfix2.test dfc8f519a3fc204cb2dfa8b4f29821ae90f6f8c3
 F test/spellfix3.test 0f9efaaa502a0e0a09848028518a6fb096c8ad33
@@ -2213,8 +2213,8 @@ F vsixtest/vsixtest.tcl 6195aba1f12a5e10efc2b8c0009532167be5e301abe5b31385638080
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P fa7b56f776b715d061581fad6f04b871504ff5d808e7364419d1d6cdef82c5ee
-R f9afa03cdf9385554f9061800ab5a24b
-U stephan
-Z 7a6ac00554cffba6a7d224734b670d11
+P 1755831cb1ac58241e0b11d8d003b5eca39b65aa3cb84229b215662028b1b3c0
+R aec30d14f5d302123caffa8ac548b88e
+U drh
+Z 3d8c02a9a1123f16b58018bc4d458ba9
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index d4c262a19a..19cf9165e2 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-1755831cb1ac58241e0b11d8d003b5eca39b65aa3cb84229b215662028b1b3c0
+98066e2d226e7d2eceec1931a1432baea956f49bf3c708d8a6d511fa4e864ca3
diff --git a/src/util.c b/src/util.c
index 7a82ce81bf..6725306eda 100644
--- a/src/util.c
+++ b/src/util.c
@@ -458,6 +458,7 @@ u8 sqlite3StrIHash(const char *z){
   return h;
 }
 
+#if !defined(SQLITE_USE_LONG_DOUBLE) || SQLITE_USE_LONG_DOUBLE+0==0
 /* Double-Double multiplication.  (x[0],x[1]) *= (y,yy)
 **
 ** Reference:
@@ -493,6 +494,9 @@ static void dekkerMul2(volatile double *x, double y, double yy){
   x[1] = c - x[0];
   x[1] += cc;
 }
+#else
+# define dekkerMul2(A,B,C)  /* No-op if SqliteUseLongDouble is always true */
+#endif
 
 /*
 ** The string z[] is an text representation of a real number.
diff --git a/src/vdbeaux.c b/src/vdbeaux.c
index 929190b3af..5ff4ca928c 100644
--- a/src/vdbeaux.c
+++ b/src/vdbeaux.c
@@ -4512,9 +4512,13 @@ SQLITE_NOINLINE int sqlite3BlobCompare(const Mem *pB1, const Mem *pB2){
 ** We must use separate SQLITE_NOINLINE functions here, since otherwise
 ** optimizer code movement causes gcov to become very confused.
 */
-#if  defined(SQLITE_COVERAGE_TEST) || defined(SQLITE_DEBUG)
+#if  (defined(SQLITE_COVERAGE_TEST) || defined(SQLITE_DEBUG)) \
+  && (!defined(SQLITE_USE_LONG_DOUBLE) || SQLITE_USE_LONG_DOUBLE+0==0)
 static int SQLITE_NOINLINE doubleLt(double a, double b){ return a<b; }
 static int SQLITE_NOINLINE doubleEq(double a, double b){ return a==b; }
+#else
+# define doubleLt(A,B) 1
+# define doubleEq(A,B) 1
 #endif
 
 /*
diff --git a/test/speedtest1.c b/test/speedtest1.c
index 5709423818..00559b3bc8 100644
--- a/test/speedtest1.c
+++ b/test/speedtest1.c
@@ -2277,6 +2277,7 @@ int main(int argc, char **argv){
   int iCur, iHi;                /* Stats values, current and "highwater" */
   int i;                        /* Loop counter */
   int rc;                       /* API return code */
+  int useLongDouble = -1;       /* True to set use of long-double */
 
 #ifdef SQLITE_SPEEDTEST1_WASM
   /* Resetting all state is important for the WASM build, which may
@@ -2334,6 +2335,8 @@ int main(int argc, char **argv){
       }else if( strcmp(z,"key")==0 ){
         ARGC_VALUE_CHECK(1);
         zKey = argv[++i];
+      }else if( strcmp(z,"longdouble")==0 ){
+        useLongDouble = 1;
       }else if( strcmp(z,"lookaside")==0 ){
         ARGC_VALUE_CHECK(2);
         nLook = integerValue(argv[i+1]);
@@ -2353,9 +2356,7 @@ int main(int argc, char **argv){
         mmapSize = integerValue(argv[++i]);
  #endif
       }else if( strcmp(z,"nolongdouble")==0 ){
-#ifdef SQLITE_TESTCTRL_USELONGDOUBLE
-        sqlite3_test_control(SQLITE_TESTCTRL_USELONGDOUBLE, 0);
-#endif       
+        useLongDouble = 0;
       }else if( strcmp(z,"nomutex")==0 ){
         openFlags |= SQLITE_OPEN_NOMUTEX;
       }else if( strcmp(z,"nosync")==0 ){
@@ -2528,6 +2529,11 @@ int main(int argc, char **argv){
     if( rc ) fatal_error("lookaside configuration failed: %d\n", rc);
   }
 #endif
+#ifdef SQLITE_TESTCTRL_USELONGDOUBLE
+  if( useLongDouble>=0 ){
+    sqlite3_test_control(SQLITE_TESTCTRL_USELONGDOUBLE, useLongDouble);
+  }
+#endif       
   if( g.nReserve>0 ){
     sqlite3_file_control(g.db, 0, SQLITE_FCNTL_RESERVE_BYTES, &g.nReserve);
   }