* i386 optimization - remove the test/or %y, %y instruction in the sequence:
  shl/sal/shr/sar $x, %y
  test/or %y, %y
  jz/jnz/setz/setnz/cmovz/cmovnz ...

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25881 3ad0048d-3df7-0310-abae-a5850022a9f2