
Using rs = -1 in gen_logic_imm() for microMIPS LUI instruction is dangerous and may bite us when implementing microMIPS R6 because in R6 AUI and LUI are distinguished by rs value. Therefore use 0 for safety. Reported-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>