31 #define IS_BIT(word, n)		((word) & (1<<n))  argument
32 #define BITS(word, s, e)	(((word) >> (s)) & (~((-2) << ((e) - (s)))))  argument
34 #define MAJOR_OPCODE(word)	(BITS((word), 27, 31))  argument
35 #define MINOR_OPCODE(word)	(BITS((word), 16, 21))  argument
36 #define FIELD_A(word)		(BITS((word), 0, 5))  argument
37 #define FIELD_B(word)		((BITS((word), 12, 14)<<3) | \  argument
38 				(BITS((word), 24, 26)))
39 #define FIELD_C(word)		(BITS((word), 6, 11))  argument
40 #define FIELD_u6(word)		FIELDC(word)  argument
41 #define FIELD_s12(word)		sign_extend(((BITS((word), 0, 5) << 6) | \  argument
42 					BITS((word), 6, 11)), 12)
46 #define FIELD_s9(word)		sign_extend(((BITS(word, 15, 15) << 8) | \  argument
47 					BITS(word, 16, 23)), 9)
48 #define FIELD_s21(word)		sign_extend(((BITS(word, 6, 15) << 11) | \  argument
49 					(BITS(word, 17, 26) << 1)), 12)
50 #define FIELD_s25(word)		sign_extend(((BITS(word, 0, 3) << 21) | \  argument
51 					(BITS(word, 6, 15) << 11) | \
52 					(BITS(word, 17, 26) << 1)), 12)
55 #define FIELD_S_A(word)		((BITS((word), 2, 2)<<3) | BITS((word), 0, 2))  argument
56 #define FIELD_S_B(word)		((BITS((word), 10, 10)<<3) | \  argument
57 				BITS((word), 8, 10))
58 #define FIELD_S_C(word)		((BITS((word), 7, 7)<<3) | BITS((word), 5, 7))  argument
59 #define FIELD_S_H(word)		((BITS((word), 0, 2)<<3) | BITS((word), 5, 8))  argument
60 #define FIELD_S_u5(word)	(BITS((word), 0, 4))  argument
61 #define FIELD_S_u6(word)	(BITS((word), 0, 4) << 1)  argument
62 #define FIELD_S_u7(word)	(BITS((word), 0, 4) << 2)  argument
63 #define FIELD_S_u10(word)	(BITS((word), 0, 7) << 2)  argument
64 #define FIELD_S_s7(word)	sign_extend(BITS((word), 0, 5) << 1, 9)  argument
65 #define FIELD_S_s8(word)	sign_extend(BITS((word), 0, 7) << 1, 9)  argument
66 #define FIELD_S_s9(word)	sign_extend(BITS((word), 0, 8), 9)  argument
67 #define FIELD_S_s10(word)	sign_extend(BITS((word), 0, 8) << 1, 10)  argument
68 #define FIELD_S_s11(word)	sign_extend(BITS((word), 0, 8) << 2, 11)  argument
69 #define FIELD_S_s13(word)	sign_extend(BITS((word), 0, 10) << 2, 13)  argument
100 	uint16_t word = *((uint16_t *)addr);  in is_short_instr()  local
101 	int opcode = (word >> 11) & 0x1F;  in is_short_instr()