* fcl-db: oracle connection fixes:
- unregister on finalization instead of register
- check cursor is assigned in rowsaffected
Patch by Laco.



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27944 3ad0048d-3df7-0310-abae-a5850022a9f2
+ Division-by-constant optimization for x86_64 (merged i386 code adapted for different operand sizes, so the result should be suitable for i386 as well).


git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27945 3ad0048d-3df7-0310-abae-a5850022a9f2