+ implements TExtended80Rec, TDoubleRec, TSingleRec
+ test

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29084 3ad0048d-3df7-0310-abae-a5850022a9f2
+ change always floating point divisions into multiplications if they are a power of two,
  this is an exact operation so it is always allowed
* change only divisions by normal numbers into multiplications

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29085 3ad0048d-3df7-0310-abae-a5850022a9f2