R1
#define R1(a, b, c, d, e, f, g, h, k, K_LOAD, round, widx, wtype, IOP, iop_param) \
#define R1(i) (((i)>>21)&0x1f)
#define R1(a, b, c, d, e, f, g, h, round, widx, wtype) \
#define R1 %rbx
R0 = 0, R1,
#define R1 1
#define R1 87
enum { R0 = 0, R1, R2, REG_MAX };
#define R1 1
#define R1 1
#define R1 1
#define R1 1
#undef R1
#define R1(a, b, c, d, e, f, g, h, t, w1, w2) \
#define R1 BPF_REG_1
#define R1 0x08
#define R1 1 * 8