* tx86addnode.second_cmpfloat: on i8086 only load the high byte of the FPU
  status word after fstsw (and before sahf), because 8-bit memory transfers are
  faster on the i8088, due to the 8-bit data bus



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26245 3ad0048d-3df7-0310-abae-a5850022a9f2