* better complexity estimation for some inline nodes

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27674 3ad0048d-3df7-0310-abae-a5850022a9f2
+ apply cse to more inline nodes

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27675 3ad0048d-3df7-0310-abae-a5850022a9f2