added raw/user/kernel memory accesses for shifts/adc/sbb/cmpxchg/push/pop...

added raw/user/kernel memory accesses for shifts/adc/sbb/cmpxchg/push/pop (faster emulation) - make 'call Ev' exception safe - in/out dx fix - PE flag is static


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@511 c046a42c-6fe2-441c-8c8c-71466251a162