1// Code generated by ./parse.py -go rv64_a rv64_d rv64_f rv64_i rv64_m rv64_q rv64_zba rv64_zbb rv64_zbs rv_a rv_d rv_f rv_i rv_m rv_q rv_zba rv_zbb rv_zbs rv_s rv_system rv_zicsr; DO NOT EDIT.
2package riscv
3
4import "cmd/internal/obj"
5
6type inst struct {
7	opcode uint32
8	funct3 uint32
9	rs2    uint32
10	csr    int64
11	funct7 uint32
12}
13
14func encode(a obj.As) *inst {
15	switch a {
16	case AADD:
17		return &inst{0x33, 0x0, 0x0, 0, 0x0}
18	case AADDUW:
19		return &inst{0x3b, 0x0, 0x0, 128, 0x4}
20	case AADDI:
21		return &inst{0x13, 0x0, 0x0, 0, 0x0}
22	case AADDIW:
23		return &inst{0x1b, 0x0, 0x0, 0, 0x0}
24	case AADDW:
25		return &inst{0x3b, 0x0, 0x0, 0, 0x0}
26	case AAMOADDD:
27		return &inst{0x2f, 0x3, 0x0, 0, 0x0}
28	case AAMOADDW:
29		return &inst{0x2f, 0x2, 0x0, 0, 0x0}
30	case AAMOANDD:
31		return &inst{0x2f, 0x3, 0x0, 1536, 0x30}
32	case AAMOANDW:
33		return &inst{0x2f, 0x2, 0x0, 1536, 0x30}
34	case AAMOMAXD:
35		return &inst{0x2f, 0x3, 0x0, -1536, 0x50}
36	case AAMOMAXW:
37		return &inst{0x2f, 0x2, 0x0, -1536, 0x50}
38	case AAMOMAXUD:
39		return &inst{0x2f, 0x3, 0x0, -512, 0x70}
40	case AAMOMAXUW:
41		return &inst{0x2f, 0x2, 0x0, -512, 0x70}
42	case AAMOMIND:
43		return &inst{0x2f, 0x3, 0x0, -2048, 0x40}
44	case AAMOMINW:
45		return &inst{0x2f, 0x2, 0x0, -2048, 0x40}
46	case AAMOMINUD:
47		return &inst{0x2f, 0x3, 0x0, -1024, 0x60}
48	case AAMOMINUW:
49		return &inst{0x2f, 0x2, 0x0, -1024, 0x60}
50	case AAMOORD:
51		return &inst{0x2f, 0x3, 0x0, 1024, 0x20}
52	case AAMOORW:
53		return &inst{0x2f, 0x2, 0x0, 1024, 0x20}
54	case AAMOSWAPD:
55		return &inst{0x2f, 0x3, 0x0, 128, 0x4}
56	case AAMOSWAPW:
57		return &inst{0x2f, 0x2, 0x0, 128, 0x4}
58	case AAMOXORD:
59		return &inst{0x2f, 0x3, 0x0, 512, 0x10}
60	case AAMOXORW:
61		return &inst{0x2f, 0x2, 0x0, 512, 0x10}
62	case AAND:
63		return &inst{0x33, 0x7, 0x0, 0, 0x0}
64	case AANDI:
65		return &inst{0x13, 0x7, 0x0, 0, 0x0}
66	case AANDN:
67		return &inst{0x33, 0x7, 0x0, 1024, 0x20}
68	case AAUIPC:
69		return &inst{0x17, 0x0, 0x0, 0, 0x0}
70	case ABCLR:
71		return &inst{0x33, 0x1, 0x0, 1152, 0x24}
72	case ABCLRI:
73		return &inst{0x13, 0x1, 0x0, 1152, 0x24}
74	case ABEQ:
75		return &inst{0x63, 0x0, 0x0, 0, 0x0}
76	case ABEXT:
77		return &inst{0x33, 0x5, 0x0, 1152, 0x24}
78	case ABEXTI:
79		return &inst{0x13, 0x5, 0x0, 1152, 0x24}
80	case ABGE:
81		return &inst{0x63, 0x5, 0x0, 0, 0x0}
82	case ABGEU:
83		return &inst{0x63, 0x7, 0x0, 0, 0x0}
84	case ABINV:
85		return &inst{0x33, 0x1, 0x0, 1664, 0x34}
86	case ABINVI:
87		return &inst{0x13, 0x1, 0x0, 1664, 0x34}
88	case ABLT:
89		return &inst{0x63, 0x4, 0x0, 0, 0x0}
90	case ABLTU:
91		return &inst{0x63, 0x6, 0x0, 0, 0x0}
92	case ABNE:
93		return &inst{0x63, 0x1, 0x0, 0, 0x0}
94	case ABSET:
95		return &inst{0x33, 0x1, 0x0, 640, 0x14}
96	case ABSETI:
97		return &inst{0x13, 0x1, 0x0, 640, 0x14}
98	case ACLZ:
99		return &inst{0x13, 0x1, 0x0, 1536, 0x30}
100	case ACLZW:
101		return &inst{0x1b, 0x1, 0x0, 1536, 0x30}
102	case ACPOP:
103		return &inst{0x13, 0x1, 0x2, 1538, 0x30}
104	case ACPOPW:
105		return &inst{0x1b, 0x1, 0x2, 1538, 0x30}
106	case ACSRRC:
107		return &inst{0x73, 0x3, 0x0, 0, 0x0}
108	case ACSRRCI:
109		return &inst{0x73, 0x7, 0x0, 0, 0x0}
110	case ACSRRS:
111		return &inst{0x73, 0x2, 0x0, 0, 0x0}
112	case ACSRRSI:
113		return &inst{0x73, 0x6, 0x0, 0, 0x0}
114	case ACSRRW:
115		return &inst{0x73, 0x1, 0x0, 0, 0x0}
116	case ACSRRWI:
117		return &inst{0x73, 0x5, 0x0, 0, 0x0}
118	case ACTZ:
119		return &inst{0x13, 0x1, 0x1, 1537, 0x30}
120	case ACTZW:
121		return &inst{0x1b, 0x1, 0x1, 1537, 0x30}
122	case ADIV:
123		return &inst{0x33, 0x4, 0x0, 32, 0x1}
124	case ADIVU:
125		return &inst{0x33, 0x5, 0x0, 32, 0x1}
126	case ADIVUW:
127		return &inst{0x3b, 0x5, 0x0, 32, 0x1}
128	case ADIVW:
129		return &inst{0x3b, 0x4, 0x0, 32, 0x1}
130	case AEBREAK:
131		return &inst{0x73, 0x0, 0x1, 1, 0x0}
132	case AECALL:
133		return &inst{0x73, 0x0, 0x0, 0, 0x0}
134	case AFADDD:
135		return &inst{0x53, 0x0, 0x0, 32, 0x1}
136	case AFADDQ:
137		return &inst{0x53, 0x0, 0x0, 96, 0x3}
138	case AFADDS:
139		return &inst{0x53, 0x0, 0x0, 0, 0x0}
140	case AFCLASSD:
141		return &inst{0x53, 0x1, 0x0, -480, 0x71}
142	case AFCLASSQ:
143		return &inst{0x53, 0x1, 0x0, -416, 0x73}
144	case AFCLASSS:
145		return &inst{0x53, 0x1, 0x0, -512, 0x70}
146	case AFCVTDL:
147		return &inst{0x53, 0x0, 0x2, -734, 0x69}
148	case AFCVTDLU:
149		return &inst{0x53, 0x0, 0x3, -733, 0x69}
150	case AFCVTDQ:
151		return &inst{0x53, 0x0, 0x3, 1059, 0x21}
152	case AFCVTDS:
153		return &inst{0x53, 0x0, 0x0, 1056, 0x21}
154	case AFCVTDW:
155		return &inst{0x53, 0x0, 0x0, -736, 0x69}
156	case AFCVTDWU:
157		return &inst{0x53, 0x0, 0x1, -735, 0x69}
158	case AFCVTLD:
159		return &inst{0x53, 0x0, 0x2, -990, 0x61}
160	case AFCVTLQ:
161		return &inst{0x53, 0x0, 0x2, -926, 0x63}
162	case AFCVTLS:
163		return &inst{0x53, 0x0, 0x2, -1022, 0x60}
164	case AFCVTLUD:
165		return &inst{0x53, 0x0, 0x3, -989, 0x61}
166	case AFCVTLUQ:
167		return &inst{0x53, 0x0, 0x3, -925, 0x63}
168	case AFCVTLUS:
169		return &inst{0x53, 0x0, 0x3, -1021, 0x60}
170	case AFCVTQD:
171		return &inst{0x53, 0x0, 0x1, 1121, 0x23}
172	case AFCVTQL:
173		return &inst{0x53, 0x0, 0x2, -670, 0x6b}
174	case AFCVTQLU:
175		return &inst{0x53, 0x0, 0x3, -669, 0x6b}
176	case AFCVTQS:
177		return &inst{0x53, 0x0, 0x0, 1120, 0x23}
178	case AFCVTQW:
179		return &inst{0x53, 0x0, 0x0, -672, 0x6b}
180	case AFCVTQWU:
181		return &inst{0x53, 0x0, 0x1, -671, 0x6b}
182	case AFCVTSD:
183		return &inst{0x53, 0x0, 0x1, 1025, 0x20}
184	case AFCVTSL:
185		return &inst{0x53, 0x0, 0x2, -766, 0x68}
186	case AFCVTSLU:
187		return &inst{0x53, 0x0, 0x3, -765, 0x68}
188	case AFCVTSQ:
189		return &inst{0x53, 0x0, 0x3, 1027, 0x20}
190	case AFCVTSW:
191		return &inst{0x53, 0x0, 0x0, -768, 0x68}
192	case AFCVTSWU:
193		return &inst{0x53, 0x0, 0x1, -767, 0x68}
194	case AFCVTWD:
195		return &inst{0x53, 0x0, 0x0, -992, 0x61}
196	case AFCVTWQ:
197		return &inst{0x53, 0x0, 0x0, -928, 0x63}
198	case AFCVTWS:
199		return &inst{0x53, 0x0, 0x0, -1024, 0x60}
200	case AFCVTWUD:
201		return &inst{0x53, 0x0, 0x1, -991, 0x61}
202	case AFCVTWUQ:
203		return &inst{0x53, 0x0, 0x1, -927, 0x63}
204	case AFCVTWUS:
205		return &inst{0x53, 0x0, 0x1, -1023, 0x60}
206	case AFDIVD:
207		return &inst{0x53, 0x0, 0x0, 416, 0xd}
208	case AFDIVQ:
209		return &inst{0x53, 0x0, 0x0, 480, 0xf}
210	case AFDIVS:
211		return &inst{0x53, 0x0, 0x0, 384, 0xc}
212	case AFENCE:
213		return &inst{0xf, 0x0, 0x0, 0, 0x0}
214	case AFENCETSO:
215		return &inst{0xf, 0x0, 0x13, -1997, 0x41}
216	case AFEQD:
217		return &inst{0x53, 0x2, 0x0, -1504, 0x51}
218	case AFEQQ:
219		return &inst{0x53, 0x2, 0x0, -1440, 0x53}
220	case AFEQS:
221		return &inst{0x53, 0x2, 0x0, -1536, 0x50}
222	case AFLD:
223		return &inst{0x7, 0x3, 0x0, 0, 0x0}
224	case AFLED:
225		return &inst{0x53, 0x0, 0x0, -1504, 0x51}
226	case AFLEQ:
227		return &inst{0x53, 0x0, 0x0, -1440, 0x53}
228	case AFLES:
229		return &inst{0x53, 0x0, 0x0, -1536, 0x50}
230	case AFLQ:
231		return &inst{0x7, 0x4, 0x0, 0, 0x0}
232	case AFLTD:
233		return &inst{0x53, 0x1, 0x0, -1504, 0x51}
234	case AFLTQ:
235		return &inst{0x53, 0x1, 0x0, -1440, 0x53}
236	case AFLTS:
237		return &inst{0x53, 0x1, 0x0, -1536, 0x50}
238	case AFLW:
239		return &inst{0x7, 0x2, 0x0, 0, 0x0}
240	case AFMADDD:
241		return &inst{0x43, 0x0, 0x0, 32, 0x1}
242	case AFMADDQ:
243		return &inst{0x43, 0x0, 0x0, 96, 0x3}
244	case AFMADDS:
245		return &inst{0x43, 0x0, 0x0, 0, 0x0}
246	case AFMAXD:
247		return &inst{0x53, 0x1, 0x0, 672, 0x15}
248	case AFMAXQ:
249		return &inst{0x53, 0x1, 0x0, 736, 0x17}
250	case AFMAXS:
251		return &inst{0x53, 0x1, 0x0, 640, 0x14}
252	case AFMIND:
253		return &inst{0x53, 0x0, 0x0, 672, 0x15}
254	case AFMINQ:
255		return &inst{0x53, 0x0, 0x0, 736, 0x17}
256	case AFMINS:
257		return &inst{0x53, 0x0, 0x0, 640, 0x14}
258	case AFMSUBD:
259		return &inst{0x47, 0x0, 0x0, 32, 0x1}
260	case AFMSUBQ:
261		return &inst{0x47, 0x0, 0x0, 96, 0x3}
262	case AFMSUBS:
263		return &inst{0x47, 0x0, 0x0, 0, 0x0}
264	case AFMULD:
265		return &inst{0x53, 0x0, 0x0, 288, 0x9}
266	case AFMULQ:
267		return &inst{0x53, 0x0, 0x0, 352, 0xb}
268	case AFMULS:
269		return &inst{0x53, 0x0, 0x0, 256, 0x8}
270	case AFMVDX:
271		return &inst{0x53, 0x0, 0x0, -224, 0x79}
272	case AFMVSX:
273		return &inst{0x53, 0x0, 0x0, -256, 0x78}
274	case AFMVWX:
275		return &inst{0x53, 0x0, 0x0, -256, 0x78}
276	case AFMVXD:
277		return &inst{0x53, 0x0, 0x0, -480, 0x71}
278	case AFMVXS:
279		return &inst{0x53, 0x0, 0x0, -512, 0x70}
280	case AFMVXW:
281		return &inst{0x53, 0x0, 0x0, -512, 0x70}
282	case AFNMADDD:
283		return &inst{0x4f, 0x0, 0x0, 32, 0x1}
284	case AFNMADDQ:
285		return &inst{0x4f, 0x0, 0x0, 96, 0x3}
286	case AFNMADDS:
287		return &inst{0x4f, 0x0, 0x0, 0, 0x0}
288	case AFNMSUBD:
289		return &inst{0x4b, 0x0, 0x0, 32, 0x1}
290	case AFNMSUBQ:
291		return &inst{0x4b, 0x0, 0x0, 96, 0x3}
292	case AFNMSUBS:
293		return &inst{0x4b, 0x0, 0x0, 0, 0x0}
294	case AFRCSR:
295		return &inst{0x73, 0x2, 0x3, 3, 0x0}
296	case AFRFLAGS:
297		return &inst{0x73, 0x2, 0x1, 1, 0x0}
298	case AFRRM:
299		return &inst{0x73, 0x2, 0x2, 2, 0x0}
300	case AFSCSR:
301		return &inst{0x73, 0x1, 0x3, 3, 0x0}
302	case AFSD:
303		return &inst{0x27, 0x3, 0x0, 0, 0x0}
304	case AFSFLAGS:
305		return &inst{0x73, 0x1, 0x1, 1, 0x0}
306	case AFSFLAGSI:
307		return &inst{0x73, 0x5, 0x1, 1, 0x0}
308	case AFSGNJD:
309		return &inst{0x53, 0x0, 0x0, 544, 0x11}
310	case AFSGNJQ:
311		return &inst{0x53, 0x0, 0x0, 608, 0x13}
312	case AFSGNJS:
313		return &inst{0x53, 0x0, 0x0, 512, 0x10}
314	case AFSGNJND:
315		return &inst{0x53, 0x1, 0x0, 544, 0x11}
316	case AFSGNJNQ:
317		return &inst{0x53, 0x1, 0x0, 608, 0x13}
318	case AFSGNJNS:
319		return &inst{0x53, 0x1, 0x0, 512, 0x10}
320	case AFSGNJXD:
321		return &inst{0x53, 0x2, 0x0, 544, 0x11}
322	case AFSGNJXQ:
323		return &inst{0x53, 0x2, 0x0, 608, 0x13}
324	case AFSGNJXS:
325		return &inst{0x53, 0x2, 0x0, 512, 0x10}
326	case AFSQ:
327		return &inst{0x27, 0x4, 0x0, 0, 0x0}
328	case AFSQRTD:
329		return &inst{0x53, 0x0, 0x0, 1440, 0x2d}
330	case AFSQRTQ:
331		return &inst{0x53, 0x0, 0x0, 1504, 0x2f}
332	case AFSQRTS:
333		return &inst{0x53, 0x0, 0x0, 1408, 0x2c}
334	case AFSRM:
335		return &inst{0x73, 0x1, 0x2, 2, 0x0}
336	case AFSRMI:
337		return &inst{0x73, 0x5, 0x2, 2, 0x0}
338	case AFSUBD:
339		return &inst{0x53, 0x0, 0x0, 160, 0x5}
340	case AFSUBQ:
341		return &inst{0x53, 0x0, 0x0, 224, 0x7}
342	case AFSUBS:
343		return &inst{0x53, 0x0, 0x0, 128, 0x4}
344	case AFSW:
345		return &inst{0x27, 0x2, 0x0, 0, 0x0}
346	case AJAL:
347		return &inst{0x6f, 0x0, 0x0, 0, 0x0}
348	case AJALR:
349		return &inst{0x67, 0x0, 0x0, 0, 0x0}
350	case ALB:
351		return &inst{0x3, 0x0, 0x0, 0, 0x0}
352	case ALBU:
353		return &inst{0x3, 0x4, 0x0, 0, 0x0}
354	case ALD:
355		return &inst{0x3, 0x3, 0x0, 0, 0x0}
356	case ALH:
357		return &inst{0x3, 0x1, 0x0, 0, 0x0}
358	case ALHU:
359		return &inst{0x3, 0x5, 0x0, 0, 0x0}
360	case ALRD:
361		return &inst{0x2f, 0x3, 0x0, 256, 0x8}
362	case ALRW:
363		return &inst{0x2f, 0x2, 0x0, 256, 0x8}
364	case ALUI:
365		return &inst{0x37, 0x0, 0x0, 0, 0x0}
366	case ALW:
367		return &inst{0x3, 0x2, 0x0, 0, 0x0}
368	case ALWU:
369		return &inst{0x3, 0x6, 0x0, 0, 0x0}
370	case AMAX:
371		return &inst{0x33, 0x6, 0x0, 160, 0x5}
372	case AMAXU:
373		return &inst{0x33, 0x7, 0x0, 160, 0x5}
374	case AMIN:
375		return &inst{0x33, 0x4, 0x0, 160, 0x5}
376	case AMINU:
377		return &inst{0x33, 0x5, 0x0, 160, 0x5}
378	case AMRET:
379		return &inst{0x73, 0x0, 0x2, 770, 0x18}
380	case AMUL:
381		return &inst{0x33, 0x0, 0x0, 32, 0x1}
382	case AMULH:
383		return &inst{0x33, 0x1, 0x0, 32, 0x1}
384	case AMULHSU:
385		return &inst{0x33, 0x2, 0x0, 32, 0x1}
386	case AMULHU:
387		return &inst{0x33, 0x3, 0x0, 32, 0x1}
388	case AMULW:
389		return &inst{0x3b, 0x0, 0x0, 32, 0x1}
390	case AOR:
391		return &inst{0x33, 0x6, 0x0, 0, 0x0}
392	case AORCB:
393		return &inst{0x13, 0x5, 0x7, 647, 0x14}
394	case AORI:
395		return &inst{0x13, 0x6, 0x0, 0, 0x0}
396	case AORN:
397		return &inst{0x33, 0x6, 0x0, 1024, 0x20}
398	case APAUSE:
399		return &inst{0xf, 0x0, 0x10, 16, 0x0}
400	case ARDCYCLE:
401		return &inst{0x73, 0x2, 0x0, -1024, 0x60}
402	case ARDCYCLEH:
403		return &inst{0x73, 0x2, 0x0, -896, 0x64}
404	case ARDINSTRET:
405		return &inst{0x73, 0x2, 0x2, -1022, 0x60}
406	case ARDINSTRETH:
407		return &inst{0x73, 0x2, 0x2, -894, 0x64}
408	case ARDTIME:
409		return &inst{0x73, 0x2, 0x1, -1023, 0x60}
410	case ARDTIMEH:
411		return &inst{0x73, 0x2, 0x1, -895, 0x64}
412	case AREM:
413		return &inst{0x33, 0x6, 0x0, 32, 0x1}
414	case AREMU:
415		return &inst{0x33, 0x7, 0x0, 32, 0x1}
416	case AREMUW:
417		return &inst{0x3b, 0x7, 0x0, 32, 0x1}
418	case AREMW:
419		return &inst{0x3b, 0x6, 0x0, 32, 0x1}
420	case AREV8:
421		return &inst{0x13, 0x5, 0x18, 1720, 0x35}
422	case AROL:
423		return &inst{0x33, 0x1, 0x0, 1536, 0x30}
424	case AROLW:
425		return &inst{0x3b, 0x1, 0x0, 1536, 0x30}
426	case AROR:
427		return &inst{0x33, 0x5, 0x0, 1536, 0x30}
428	case ARORI:
429		return &inst{0x13, 0x5, 0x0, 1536, 0x30}
430	case ARORIW:
431		return &inst{0x1b, 0x5, 0x0, 1536, 0x30}
432	case ARORW:
433		return &inst{0x3b, 0x5, 0x0, 1536, 0x30}
434	case ASB:
435		return &inst{0x23, 0x0, 0x0, 0, 0x0}
436	case ASBREAK:
437		return &inst{0x73, 0x0, 0x1, 1, 0x0}
438	case ASCD:
439		return &inst{0x2f, 0x3, 0x0, 384, 0xc}
440	case ASCW:
441		return &inst{0x2f, 0x2, 0x0, 384, 0xc}
442	case ASCALL:
443		return &inst{0x73, 0x0, 0x0, 0, 0x0}
444	case ASD:
445		return &inst{0x23, 0x3, 0x0, 0, 0x0}
446	case ASEXTB:
447		return &inst{0x13, 0x1, 0x4, 1540, 0x30}
448	case ASEXTH:
449		return &inst{0x13, 0x1, 0x5, 1541, 0x30}
450	case ASFENCEVMA:
451		return &inst{0x73, 0x0, 0x0, 288, 0x9}
452	case ASH:
453		return &inst{0x23, 0x1, 0x0, 0, 0x0}
454	case ASH1ADD:
455		return &inst{0x33, 0x2, 0x0, 512, 0x10}
456	case ASH1ADDUW:
457		return &inst{0x3b, 0x2, 0x0, 512, 0x10}
458	case ASH2ADD:
459		return &inst{0x33, 0x4, 0x0, 512, 0x10}
460	case ASH2ADDUW:
461		return &inst{0x3b, 0x4, 0x0, 512, 0x10}
462	case ASH3ADD:
463		return &inst{0x33, 0x6, 0x0, 512, 0x10}
464	case ASH3ADDUW:
465		return &inst{0x3b, 0x6, 0x0, 512, 0x10}
466	case ASLL:
467		return &inst{0x33, 0x1, 0x0, 0, 0x0}
468	case ASLLI:
469		return &inst{0x13, 0x1, 0x0, 0, 0x0}
470	case ASLLIUW:
471		return &inst{0x1b, 0x1, 0x0, 128, 0x4}
472	case ASLLIW:
473		return &inst{0x1b, 0x1, 0x0, 0, 0x0}
474	case ASLLW:
475		return &inst{0x3b, 0x1, 0x0, 0, 0x0}
476	case ASLT:
477		return &inst{0x33, 0x2, 0x0, 0, 0x0}
478	case ASLTI:
479		return &inst{0x13, 0x2, 0x0, 0, 0x0}
480	case ASLTIU:
481		return &inst{0x13, 0x3, 0x0, 0, 0x0}
482	case ASLTU:
483		return &inst{0x33, 0x3, 0x0, 0, 0x0}
484	case ASRA:
485		return &inst{0x33, 0x5, 0x0, 1024, 0x20}
486	case ASRAI:
487		return &inst{0x13, 0x5, 0x0, 1024, 0x20}
488	case ASRAIW:
489		return &inst{0x1b, 0x5, 0x0, 1024, 0x20}
490	case ASRAW:
491		return &inst{0x3b, 0x5, 0x0, 1024, 0x20}
492	case ASRET:
493		return &inst{0x73, 0x0, 0x2, 258, 0x8}
494	case ASRL:
495		return &inst{0x33, 0x5, 0x0, 0, 0x0}
496	case ASRLI:
497		return &inst{0x13, 0x5, 0x0, 0, 0x0}
498	case ASRLIW:
499		return &inst{0x1b, 0x5, 0x0, 0, 0x0}
500	case ASRLW:
501		return &inst{0x3b, 0x5, 0x0, 0, 0x0}
502	case ASUB:
503		return &inst{0x33, 0x0, 0x0, 1024, 0x20}
504	case ASUBW:
505		return &inst{0x3b, 0x0, 0x0, 1024, 0x20}
506	case ASW:
507		return &inst{0x23, 0x2, 0x0, 0, 0x0}
508	case AWFI:
509		return &inst{0x73, 0x0, 0x5, 261, 0x8}
510	case AXNOR:
511		return &inst{0x33, 0x4, 0x0, 1024, 0x20}
512	case AXOR:
513		return &inst{0x33, 0x4, 0x0, 0, 0x0}
514	case AXORI:
515		return &inst{0x13, 0x4, 0x0, 0, 0x0}
516	case AZEXTH:
517		return &inst{0x3b, 0x4, 0x0, 128, 0x4}
518	}
519	return nil
520}
521