Can you explain this one in detail?
Am 27.07.2011 04:37, schrieb [email protected]:
Author: dgorbachev Date: Wed Jul 27 02:37:40 2011 New Revision: 52916 URL: http://svn.reactos.org/svn/reactos?rev=52916&view=rev Log: [CDFS] Workaround for GCC 4.6 optimizer bug (ICE when compiling with -O3). Modified: trunk/reactos/drivers/filesystems/cdfs/fsctl.c Modified: trunk/reactos/drivers/filesystems/cdfs/fsctl.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/cdfs/fsctl.c?rev=52916&r1=52915&r2=52916&view=diff ============================================================================== --- trunk/reactos/drivers/filesystems/cdfs/fsctl.c [iso-8859-1] (original) +++ trunk/reactos/drivers/filesystems/cdfs/fsctl.c [iso-8859-1] Wed Jul 27 02:37:40 2011 @@ -63,10 +63,10 @@ for (i = 0; i< 2048; i += 4) { /* DON'T optimize this to ULONG!!! (breaks overflow) */ + Serial.Part[3] += Buffer[i+0]; + Serial.Part[2] += Buffer[i+1]; + Serial.Part[1] += Buffer[i+2]; Serial.Part[0] += Buffer[i+3]; - Serial.Part[1] += Buffer[i+2]; - Serial.Part[2] += Buffer[i+1]; - Serial.Part[3] += Buffer[i+0]; } CdInfo->SerialNumber = Serial.Value;
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