1
2 package riscv
3
4 import "cmd/internal/obj"
5
6 type inst struct {
7 opcode uint32
8 funct3 uint32
9 rs2 uint32
10 csr int64
11 funct7 uint32
12 }
13
14 func 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
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