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Improved NaN testing for highly optimized GCC on x86.

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Tickets #3202 and #3194. (CVS 5396)

FossilOrigin-Name: a8a2fe45b21b405bb871e29540f98086b0c8f828
This commit is contained in:
drh
2008-07-11 16:19:09 +00:00
parent 34004cebb6
commit 17a7fa68d1
3 changed files with 10 additions and 9 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C Additional\stest\scoverage\sfor\sthe\sbtree\smodule.\s\sRemove\sthe\sfailsafe()\smacro\nand\sreplace\sit\swith\sALWAYS()\sand\sNEVER().\s(CVS\s5395) C Improved\sNaN\stesting\sfor\shighly\soptimized\sGCC\son\sx86.\nTickets\s#3202\sand\s#3194.\s(CVS\s5396)
D 2008-07-11T16:15:18 D 2008-07-11T16:19:10
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in a03f7cb4f7ad50bc53a788c6c544430e81f95de4 F Makefile.in a03f7cb4f7ad50bc53a788c6c544430e81f95de4
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -179,7 +179,7 @@ F src/tokenize.c b5fdc79fb7e00077b9c02af7a0da3b89c9f3398e
F src/trigger.c bdb56bb9db1a7b18f8505484051221ab5123f21d F src/trigger.c bdb56bb9db1a7b18f8505484051221ab5123f21d
F src/update.c 4e698fcc0c91c241a960304c4236dc3a49603155 F src/update.c 4e698fcc0c91c241a960304c4236dc3a49603155
F src/utf.c 8d52f620a7153d90b058502124fe51d821fcdf57 F src/utf.c 8d52f620a7153d90b058502124fe51d821fcdf57
F src/util.c 172ebad4eb14eada6e2e1d0e202765b0e97905e4 F src/util.c a8f80412a536ea309c1887e5d4b58a3fa6eca69c
F src/vacuum.c ef342828002debc97514617af3424aea8ef8522c F src/vacuum.c ef342828002debc97514617af3424aea8ef8522c
F src/vdbe.c 14d98d1d47041a99a9c98034842772dbbcc062fb F src/vdbe.c 14d98d1d47041a99a9c98034842772dbbcc062fb
F src/vdbe.h c46155c221418bea29ee3a749d5950fcf85a70e2 F src/vdbe.h c46155c221418bea29ee3a749d5950fcf85a70e2
@@ -603,7 +603,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 1dbced29de5f59ba2ebf877edcadf171540374d1 F tool/speedtest8.c 1dbced29de5f59ba2ebf877edcadf171540374d1
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
P c9ffbfe343b640051161301869698dd9f1f76cb7 P d7e2f0d2d45574d6191c1b191c0daf5260696f27
R e52a0e0f0e545d82edca5fee51f0391a R ade8ff6c2fb33021086110407ad75d8e
U drh U drh
Z 3dba639b9a1f25eb1dff3dc290a1617a Z 3b1b5d42552a23c609e4387817e377c9

2
manifest.uuid
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@@ -1 +1 @@
d7e2f0d2d45574d6191c1b191c0daf5260696f27 a8a2fe45b21b405bb871e29540f98086b0c8f828

5
src/util.c
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@@ -14,7 +14,7 @@
** This file contains functions for allocating memory, comparing ** This file contains functions for allocating memory, comparing
** strings, and stuff like that. ** strings, and stuff like that.
** **
** $Id: util.c,v 1.237 2008/07/11 16:15:18 drh Exp $ ** $Id: util.c,v 1.238 2008/07/11 16:19:10 drh Exp $
*/ */
#include "sqliteInt.h" #include "sqliteInt.h"
#include <stdarg.h> #include <stdarg.h>
@@ -38,7 +38,8 @@ int sqlite3IsNaN(double x){
# error SQLite will not work correctly with the -ffast-math option of GCC. # error SQLite will not work correctly with the -ffast-math option of GCC.
#endif #endif
volatile double y = x; volatile double y = x;
return x!=y; volatile double z = y;
return y!=z;
} }
/* /*