* Init threading when setting C thread manager

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27346 3ad0048d-3df7-0310-abae-a5850022a9f2
* create shorter code for -<single/double> when generating avx code

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27347 3ad0048d-3df7-0310-abae-a5850022a9f2
* declare the group dgroup even in i8086 far data memory models



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27348 3ad0048d-3df7-0310-abae-a5850022a9f2
 * moving 4 cp9* units. These are 16-bit and big.


git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27349 3ad0048d-3df7-0310-abae-a5850022a9f2