cpu.ppc: fix breakage caused by ##compare-imm change
cpu.ppc: fix breakage caused by ##compare-imm change

kingcons/factor,mcandre/factor,cataska/factor,ceninan/factor,mcandre/factor,mcandre/factor,erg/factor,erg/factor,erg/factor,erg/factor,kingcons/factor,erg/factor,cataska/factor,mcandre/factor,cataska/factor,kingcons/factor,ceninan/factor,erg/factor,erg/factor,mcandre/factor,mcandre/factor,cataska/factor,ceninan/factor,kingcons/factor,ceninan/factor,mcandre/factor