emit_read_y       258 arch/sparc/net/bpf_jit_comp_32.c #define emit_read_y(REG)	*prog++ = RD_Y | RD(REG)
emit_read_y       643 arch/sparc/net/bpf_jit_comp_64.c #define emit_read_y(REG, CTX)	emit(RD_Y | RD(REG), CTX)