39 	u16 seen_regs;		/* Mask to remember which registers are used */  member
127 		jit->seen_regs |= (1 << r1);  in reg_set_seen()
442 static int get_start(u16 seen_regs, int start)  in get_start()  argument
447 		if (seen_regs & (1 << i))  in get_start()
456 static int get_end(u16 seen_regs, int start)  in get_end()  argument
461 		if (!(seen_regs & (3 << i)))  in get_end()
464 	return (seen_regs & (1 << 15)) ? 15 : 14;  in get_end()
476 	u16 seen_regs = jit->seen_regs | extra_regs;  in save_restore_regs()  local
490 		rs = get_start(seen_regs, re);  in save_restore_regs()
493 		re = get_end(seen_regs, rs + 1);  in save_restore_regs()
587 		jit->seen_regs |= NVREGS;  in bpf_jit_prologue()