tree a49e92ffaeb9672c585601f608bc726e3fab134c
parent a76dc35afd2663343229d9dc05d493950d067b56
author j_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162> 1194740314 +0000
committer j_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162> 1194740314 +0000

Optimize PowerPC overflow flag computation in most useful cases.
Use the same routines to check overflow for addo, subfo and PowerPC 405
  multiply and add cases.
Fix carry reset in addme(o) and subfme(o) cases.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3574 c046a42c-6fe2-441c-8c8c-71466251a162