A microprocessor is provided including a branch prediction unit configured to select one of multiple sets of condition flags for use by a branch instruction according to the segment register override prefix byte which may be included with the instruction. Branch instructions may be scheduled distant...http://www.google.de/patents/US5819080?utm_source=gb-gplus-sharePatent US5819080 - Microprocessor using an instruction field to specify condition flags for use with branch instructions and a computer system employing the microprocessor 
