Macros starting with `s' in osfmk/ppc

• SET_REG osfmk/ppc/alignment.c:172
• STACK_IKS osfmk/ppc/thread.h:49
• SUBF osfmk/ppc/net_filter.c:106
• SUBFC osfmk/ppc/net_filter.c:108
• SUBFE osfmk/ppc/net_filter.c:110
• SUBFIC osfmk/ppc/net_filter.c:84
• sync osfmk/ppc/proc_reg.h:436
• syscall_emulation_sync osfmk/ppc/thread.h:52