xref: /openbmc/qemu/disas/riscv.c (revision feb58e3b)
1 /*
2  * QEMU RISC-V Disassembler
3  *
4  * Copyright (c) 2016-2017 Michael Clark <michaeljclark@mac.com>
5  * Copyright (c) 2017-2018 SiFive, Inc.
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms and conditions of the GNU General Public License,
9  * version 2 or later, as published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
14  * more details.
15  *
16  * You should have received a copy of the GNU General Public License along with
17  * this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include "qemu/osdep.h"
21 #include "qemu/bitops.h"
22 #include "disas/dis-asm.h"
23 #include "target/riscv/cpu_cfg.h"
24 #include "disas/riscv.h"
25 
26 /* Vendor extensions */
27 #include "disas/riscv-xthead.h"
28 #include "disas/riscv-xventana.h"
29 
30 typedef enum {
31     /* 0 is reserved for rv_op_illegal. */
32     rv_op_lui = 1,
33     rv_op_auipc = 2,
34     rv_op_jal = 3,
35     rv_op_jalr = 4,
36     rv_op_beq = 5,
37     rv_op_bne = 6,
38     rv_op_blt = 7,
39     rv_op_bge = 8,
40     rv_op_bltu = 9,
41     rv_op_bgeu = 10,
42     rv_op_lb = 11,
43     rv_op_lh = 12,
44     rv_op_lw = 13,
45     rv_op_lbu = 14,
46     rv_op_lhu = 15,
47     rv_op_sb = 16,
48     rv_op_sh = 17,
49     rv_op_sw = 18,
50     rv_op_addi = 19,
51     rv_op_slti = 20,
52     rv_op_sltiu = 21,
53     rv_op_xori = 22,
54     rv_op_ori = 23,
55     rv_op_andi = 24,
56     rv_op_slli = 25,
57     rv_op_srli = 26,
58     rv_op_srai = 27,
59     rv_op_add = 28,
60     rv_op_sub = 29,
61     rv_op_sll = 30,
62     rv_op_slt = 31,
63     rv_op_sltu = 32,
64     rv_op_xor = 33,
65     rv_op_srl = 34,
66     rv_op_sra = 35,
67     rv_op_or = 36,
68     rv_op_and = 37,
69     rv_op_fence = 38,
70     rv_op_fence_i = 39,
71     rv_op_lwu = 40,
72     rv_op_ld = 41,
73     rv_op_sd = 42,
74     rv_op_addiw = 43,
75     rv_op_slliw = 44,
76     rv_op_srliw = 45,
77     rv_op_sraiw = 46,
78     rv_op_addw = 47,
79     rv_op_subw = 48,
80     rv_op_sllw = 49,
81     rv_op_srlw = 50,
82     rv_op_sraw = 51,
83     rv_op_ldu = 52,
84     rv_op_lq = 53,
85     rv_op_sq = 54,
86     rv_op_addid = 55,
87     rv_op_sllid = 56,
88     rv_op_srlid = 57,
89     rv_op_sraid = 58,
90     rv_op_addd = 59,
91     rv_op_subd = 60,
92     rv_op_slld = 61,
93     rv_op_srld = 62,
94     rv_op_srad = 63,
95     rv_op_mul = 64,
96     rv_op_mulh = 65,
97     rv_op_mulhsu = 66,
98     rv_op_mulhu = 67,
99     rv_op_div = 68,
100     rv_op_divu = 69,
101     rv_op_rem = 70,
102     rv_op_remu = 71,
103     rv_op_mulw = 72,
104     rv_op_divw = 73,
105     rv_op_divuw = 74,
106     rv_op_remw = 75,
107     rv_op_remuw = 76,
108     rv_op_muld = 77,
109     rv_op_divd = 78,
110     rv_op_divud = 79,
111     rv_op_remd = 80,
112     rv_op_remud = 81,
113     rv_op_lr_w = 82,
114     rv_op_sc_w = 83,
115     rv_op_amoswap_w = 84,
116     rv_op_amoadd_w = 85,
117     rv_op_amoxor_w = 86,
118     rv_op_amoor_w = 87,
119     rv_op_amoand_w = 88,
120     rv_op_amomin_w = 89,
121     rv_op_amomax_w = 90,
122     rv_op_amominu_w = 91,
123     rv_op_amomaxu_w = 92,
124     rv_op_lr_d = 93,
125     rv_op_sc_d = 94,
126     rv_op_amoswap_d = 95,
127     rv_op_amoadd_d = 96,
128     rv_op_amoxor_d = 97,
129     rv_op_amoor_d = 98,
130     rv_op_amoand_d = 99,
131     rv_op_amomin_d = 100,
132     rv_op_amomax_d = 101,
133     rv_op_amominu_d = 102,
134     rv_op_amomaxu_d = 103,
135     rv_op_lr_q = 104,
136     rv_op_sc_q = 105,
137     rv_op_amoswap_q = 106,
138     rv_op_amoadd_q = 107,
139     rv_op_amoxor_q = 108,
140     rv_op_amoor_q = 109,
141     rv_op_amoand_q = 110,
142     rv_op_amomin_q = 111,
143     rv_op_amomax_q = 112,
144     rv_op_amominu_q = 113,
145     rv_op_amomaxu_q = 114,
146     rv_op_ecall = 115,
147     rv_op_ebreak = 116,
148     rv_op_uret = 117,
149     rv_op_sret = 118,
150     rv_op_hret = 119,
151     rv_op_mret = 120,
152     rv_op_dret = 121,
153     rv_op_sfence_vm = 122,
154     rv_op_sfence_vma = 123,
155     rv_op_wfi = 124,
156     rv_op_csrrw = 125,
157     rv_op_csrrs = 126,
158     rv_op_csrrc = 127,
159     rv_op_csrrwi = 128,
160     rv_op_csrrsi = 129,
161     rv_op_csrrci = 130,
162     rv_op_flw = 131,
163     rv_op_fsw = 132,
164     rv_op_fmadd_s = 133,
165     rv_op_fmsub_s = 134,
166     rv_op_fnmsub_s = 135,
167     rv_op_fnmadd_s = 136,
168     rv_op_fadd_s = 137,
169     rv_op_fsub_s = 138,
170     rv_op_fmul_s = 139,
171     rv_op_fdiv_s = 140,
172     rv_op_fsgnj_s = 141,
173     rv_op_fsgnjn_s = 142,
174     rv_op_fsgnjx_s = 143,
175     rv_op_fmin_s = 144,
176     rv_op_fmax_s = 145,
177     rv_op_fsqrt_s = 146,
178     rv_op_fle_s = 147,
179     rv_op_flt_s = 148,
180     rv_op_feq_s = 149,
181     rv_op_fcvt_w_s = 150,
182     rv_op_fcvt_wu_s = 151,
183     rv_op_fcvt_s_w = 152,
184     rv_op_fcvt_s_wu = 153,
185     rv_op_fmv_x_s = 154,
186     rv_op_fclass_s = 155,
187     rv_op_fmv_s_x = 156,
188     rv_op_fcvt_l_s = 157,
189     rv_op_fcvt_lu_s = 158,
190     rv_op_fcvt_s_l = 159,
191     rv_op_fcvt_s_lu = 160,
192     rv_op_fld = 161,
193     rv_op_fsd = 162,
194     rv_op_fmadd_d = 163,
195     rv_op_fmsub_d = 164,
196     rv_op_fnmsub_d = 165,
197     rv_op_fnmadd_d = 166,
198     rv_op_fadd_d = 167,
199     rv_op_fsub_d = 168,
200     rv_op_fmul_d = 169,
201     rv_op_fdiv_d = 170,
202     rv_op_fsgnj_d = 171,
203     rv_op_fsgnjn_d = 172,
204     rv_op_fsgnjx_d = 173,
205     rv_op_fmin_d = 174,
206     rv_op_fmax_d = 175,
207     rv_op_fcvt_s_d = 176,
208     rv_op_fcvt_d_s = 177,
209     rv_op_fsqrt_d = 178,
210     rv_op_fle_d = 179,
211     rv_op_flt_d = 180,
212     rv_op_feq_d = 181,
213     rv_op_fcvt_w_d = 182,
214     rv_op_fcvt_wu_d = 183,
215     rv_op_fcvt_d_w = 184,
216     rv_op_fcvt_d_wu = 185,
217     rv_op_fclass_d = 186,
218     rv_op_fcvt_l_d = 187,
219     rv_op_fcvt_lu_d = 188,
220     rv_op_fmv_x_d = 189,
221     rv_op_fcvt_d_l = 190,
222     rv_op_fcvt_d_lu = 191,
223     rv_op_fmv_d_x = 192,
224     rv_op_flq = 193,
225     rv_op_fsq = 194,
226     rv_op_fmadd_q = 195,
227     rv_op_fmsub_q = 196,
228     rv_op_fnmsub_q = 197,
229     rv_op_fnmadd_q = 198,
230     rv_op_fadd_q = 199,
231     rv_op_fsub_q = 200,
232     rv_op_fmul_q = 201,
233     rv_op_fdiv_q = 202,
234     rv_op_fsgnj_q = 203,
235     rv_op_fsgnjn_q = 204,
236     rv_op_fsgnjx_q = 205,
237     rv_op_fmin_q = 206,
238     rv_op_fmax_q = 207,
239     rv_op_fcvt_s_q = 208,
240     rv_op_fcvt_q_s = 209,
241     rv_op_fcvt_d_q = 210,
242     rv_op_fcvt_q_d = 211,
243     rv_op_fsqrt_q = 212,
244     rv_op_fle_q = 213,
245     rv_op_flt_q = 214,
246     rv_op_feq_q = 215,
247     rv_op_fcvt_w_q = 216,
248     rv_op_fcvt_wu_q = 217,
249     rv_op_fcvt_q_w = 218,
250     rv_op_fcvt_q_wu = 219,
251     rv_op_fclass_q = 220,
252     rv_op_fcvt_l_q = 221,
253     rv_op_fcvt_lu_q = 222,
254     rv_op_fcvt_q_l = 223,
255     rv_op_fcvt_q_lu = 224,
256     rv_op_fmv_x_q = 225,
257     rv_op_fmv_q_x = 226,
258     rv_op_c_addi4spn = 227,
259     rv_op_c_fld = 228,
260     rv_op_c_lw = 229,
261     rv_op_c_flw = 230,
262     rv_op_c_fsd = 231,
263     rv_op_c_sw = 232,
264     rv_op_c_fsw = 233,
265     rv_op_c_nop = 234,
266     rv_op_c_addi = 235,
267     rv_op_c_jal = 236,
268     rv_op_c_li = 237,
269     rv_op_c_addi16sp = 238,
270     rv_op_c_lui = 239,
271     rv_op_c_srli = 240,
272     rv_op_c_srai = 241,
273     rv_op_c_andi = 242,
274     rv_op_c_sub = 243,
275     rv_op_c_xor = 244,
276     rv_op_c_or = 245,
277     rv_op_c_and = 246,
278     rv_op_c_subw = 247,
279     rv_op_c_addw = 248,
280     rv_op_c_j = 249,
281     rv_op_c_beqz = 250,
282     rv_op_c_bnez = 251,
283     rv_op_c_slli = 252,
284     rv_op_c_fldsp = 253,
285     rv_op_c_lwsp = 254,
286     rv_op_c_flwsp = 255,
287     rv_op_c_jr = 256,
288     rv_op_c_mv = 257,
289     rv_op_c_ebreak = 258,
290     rv_op_c_jalr = 259,
291     rv_op_c_add = 260,
292     rv_op_c_fsdsp = 261,
293     rv_op_c_swsp = 262,
294     rv_op_c_fswsp = 263,
295     rv_op_c_ld = 264,
296     rv_op_c_sd = 265,
297     rv_op_c_addiw = 266,
298     rv_op_c_ldsp = 267,
299     rv_op_c_sdsp = 268,
300     rv_op_c_lq = 269,
301     rv_op_c_sq = 270,
302     rv_op_c_lqsp = 271,
303     rv_op_c_sqsp = 272,
304     rv_op_nop = 273,
305     rv_op_mv = 274,
306     rv_op_not = 275,
307     rv_op_neg = 276,
308     rv_op_negw = 277,
309     rv_op_sext_w = 278,
310     rv_op_seqz = 279,
311     rv_op_snez = 280,
312     rv_op_sltz = 281,
313     rv_op_sgtz = 282,
314     rv_op_fmv_s = 283,
315     rv_op_fabs_s = 284,
316     rv_op_fneg_s = 285,
317     rv_op_fmv_d = 286,
318     rv_op_fabs_d = 287,
319     rv_op_fneg_d = 288,
320     rv_op_fmv_q = 289,
321     rv_op_fabs_q = 290,
322     rv_op_fneg_q = 291,
323     rv_op_beqz = 292,
324     rv_op_bnez = 293,
325     rv_op_blez = 294,
326     rv_op_bgez = 295,
327     rv_op_bltz = 296,
328     rv_op_bgtz = 297,
329     rv_op_ble = 298,
330     rv_op_bleu = 299,
331     rv_op_bgt = 300,
332     rv_op_bgtu = 301,
333     rv_op_j = 302,
334     rv_op_ret = 303,
335     rv_op_jr = 304,
336     rv_op_rdcycle = 305,
337     rv_op_rdtime = 306,
338     rv_op_rdinstret = 307,
339     rv_op_rdcycleh = 308,
340     rv_op_rdtimeh = 309,
341     rv_op_rdinstreth = 310,
342     rv_op_frcsr = 311,
343     rv_op_frrm = 312,
344     rv_op_frflags = 313,
345     rv_op_fscsr = 314,
346     rv_op_fsrm = 315,
347     rv_op_fsflags = 316,
348     rv_op_fsrmi = 317,
349     rv_op_fsflagsi = 318,
350     rv_op_bseti = 319,
351     rv_op_bclri = 320,
352     rv_op_binvi = 321,
353     rv_op_bexti = 322,
354     rv_op_rori = 323,
355     rv_op_clz = 324,
356     rv_op_ctz = 325,
357     rv_op_cpop = 326,
358     rv_op_sext_h = 327,
359     rv_op_sext_b = 328,
360     rv_op_xnor = 329,
361     rv_op_orn = 330,
362     rv_op_andn = 331,
363     rv_op_rol = 332,
364     rv_op_ror = 333,
365     rv_op_sh1add = 334,
366     rv_op_sh2add = 335,
367     rv_op_sh3add = 336,
368     rv_op_sh1add_uw = 337,
369     rv_op_sh2add_uw = 338,
370     rv_op_sh3add_uw = 339,
371     rv_op_clmul = 340,
372     rv_op_clmulr = 341,
373     rv_op_clmulh = 342,
374     rv_op_min = 343,
375     rv_op_minu = 344,
376     rv_op_max = 345,
377     rv_op_maxu = 346,
378     rv_op_clzw = 347,
379     rv_op_ctzw = 348,
380     rv_op_cpopw = 349,
381     rv_op_slli_uw = 350,
382     rv_op_add_uw = 351,
383     rv_op_rolw = 352,
384     rv_op_rorw = 353,
385     rv_op_rev8 = 354,
386     rv_op_zext_h = 355,
387     rv_op_roriw = 356,
388     rv_op_orc_b = 357,
389     rv_op_bset = 358,
390     rv_op_bclr = 359,
391     rv_op_binv = 360,
392     rv_op_bext = 361,
393     rv_op_aes32esmi = 362,
394     rv_op_aes32esi = 363,
395     rv_op_aes32dsmi = 364,
396     rv_op_aes32dsi = 365,
397     rv_op_aes64ks1i = 366,
398     rv_op_aes64ks2 = 367,
399     rv_op_aes64im = 368,
400     rv_op_aes64esm = 369,
401     rv_op_aes64es = 370,
402     rv_op_aes64dsm = 371,
403     rv_op_aes64ds = 372,
404     rv_op_sha256sig0 = 373,
405     rv_op_sha256sig1 = 374,
406     rv_op_sha256sum0 = 375,
407     rv_op_sha256sum1 = 376,
408     rv_op_sha512sig0 = 377,
409     rv_op_sha512sig1 = 378,
410     rv_op_sha512sum0 = 379,
411     rv_op_sha512sum1 = 380,
412     rv_op_sha512sum0r = 381,
413     rv_op_sha512sum1r = 382,
414     rv_op_sha512sig0l = 383,
415     rv_op_sha512sig0h = 384,
416     rv_op_sha512sig1l = 385,
417     rv_op_sha512sig1h = 386,
418     rv_op_sm3p0 = 387,
419     rv_op_sm3p1 = 388,
420     rv_op_sm4ed = 389,
421     rv_op_sm4ks = 390,
422     rv_op_brev8 = 391,
423     rv_op_pack = 392,
424     rv_op_packh = 393,
425     rv_op_packw = 394,
426     rv_op_unzip = 395,
427     rv_op_zip = 396,
428     rv_op_xperm4 = 397,
429     rv_op_xperm8 = 398,
430     rv_op_vle8_v = 399,
431     rv_op_vle16_v = 400,
432     rv_op_vle32_v = 401,
433     rv_op_vle64_v = 402,
434     rv_op_vse8_v = 403,
435     rv_op_vse16_v = 404,
436     rv_op_vse32_v = 405,
437     rv_op_vse64_v = 406,
438     rv_op_vlm_v = 407,
439     rv_op_vsm_v = 408,
440     rv_op_vlse8_v = 409,
441     rv_op_vlse16_v = 410,
442     rv_op_vlse32_v = 411,
443     rv_op_vlse64_v = 412,
444     rv_op_vsse8_v = 413,
445     rv_op_vsse16_v = 414,
446     rv_op_vsse32_v = 415,
447     rv_op_vsse64_v = 416,
448     rv_op_vluxei8_v = 417,
449     rv_op_vluxei16_v = 418,
450     rv_op_vluxei32_v = 419,
451     rv_op_vluxei64_v = 420,
452     rv_op_vloxei8_v = 421,
453     rv_op_vloxei16_v = 422,
454     rv_op_vloxei32_v = 423,
455     rv_op_vloxei64_v = 424,
456     rv_op_vsuxei8_v = 425,
457     rv_op_vsuxei16_v = 426,
458     rv_op_vsuxei32_v = 427,
459     rv_op_vsuxei64_v = 428,
460     rv_op_vsoxei8_v = 429,
461     rv_op_vsoxei16_v = 430,
462     rv_op_vsoxei32_v = 431,
463     rv_op_vsoxei64_v = 432,
464     rv_op_vle8ff_v = 433,
465     rv_op_vle16ff_v = 434,
466     rv_op_vle32ff_v = 435,
467     rv_op_vle64ff_v = 436,
468     rv_op_vl1re8_v = 437,
469     rv_op_vl1re16_v = 438,
470     rv_op_vl1re32_v = 439,
471     rv_op_vl1re64_v = 440,
472     rv_op_vl2re8_v = 441,
473     rv_op_vl2re16_v = 442,
474     rv_op_vl2re32_v = 443,
475     rv_op_vl2re64_v = 444,
476     rv_op_vl4re8_v = 445,
477     rv_op_vl4re16_v = 446,
478     rv_op_vl4re32_v = 447,
479     rv_op_vl4re64_v = 448,
480     rv_op_vl8re8_v = 449,
481     rv_op_vl8re16_v = 450,
482     rv_op_vl8re32_v = 451,
483     rv_op_vl8re64_v = 452,
484     rv_op_vs1r_v = 453,
485     rv_op_vs2r_v = 454,
486     rv_op_vs4r_v = 455,
487     rv_op_vs8r_v = 456,
488     rv_op_vadd_vv = 457,
489     rv_op_vadd_vx = 458,
490     rv_op_vadd_vi = 459,
491     rv_op_vsub_vv = 460,
492     rv_op_vsub_vx = 461,
493     rv_op_vrsub_vx = 462,
494     rv_op_vrsub_vi = 463,
495     rv_op_vwaddu_vv = 464,
496     rv_op_vwaddu_vx = 465,
497     rv_op_vwadd_vv = 466,
498     rv_op_vwadd_vx = 467,
499     rv_op_vwsubu_vv = 468,
500     rv_op_vwsubu_vx = 469,
501     rv_op_vwsub_vv = 470,
502     rv_op_vwsub_vx = 471,
503     rv_op_vwaddu_wv = 472,
504     rv_op_vwaddu_wx = 473,
505     rv_op_vwadd_wv = 474,
506     rv_op_vwadd_wx = 475,
507     rv_op_vwsubu_wv = 476,
508     rv_op_vwsubu_wx = 477,
509     rv_op_vwsub_wv = 478,
510     rv_op_vwsub_wx = 479,
511     rv_op_vadc_vvm = 480,
512     rv_op_vadc_vxm = 481,
513     rv_op_vadc_vim = 482,
514     rv_op_vmadc_vvm = 483,
515     rv_op_vmadc_vxm = 484,
516     rv_op_vmadc_vim = 485,
517     rv_op_vsbc_vvm = 486,
518     rv_op_vsbc_vxm = 487,
519     rv_op_vmsbc_vvm = 488,
520     rv_op_vmsbc_vxm = 489,
521     rv_op_vand_vv = 490,
522     rv_op_vand_vx = 491,
523     rv_op_vand_vi = 492,
524     rv_op_vor_vv = 493,
525     rv_op_vor_vx = 494,
526     rv_op_vor_vi = 495,
527     rv_op_vxor_vv = 496,
528     rv_op_vxor_vx = 497,
529     rv_op_vxor_vi = 498,
530     rv_op_vsll_vv = 499,
531     rv_op_vsll_vx = 500,
532     rv_op_vsll_vi = 501,
533     rv_op_vsrl_vv = 502,
534     rv_op_vsrl_vx = 503,
535     rv_op_vsrl_vi = 504,
536     rv_op_vsra_vv = 505,
537     rv_op_vsra_vx = 506,
538     rv_op_vsra_vi = 507,
539     rv_op_vnsrl_wv = 508,
540     rv_op_vnsrl_wx = 509,
541     rv_op_vnsrl_wi = 510,
542     rv_op_vnsra_wv = 511,
543     rv_op_vnsra_wx = 512,
544     rv_op_vnsra_wi = 513,
545     rv_op_vmseq_vv = 514,
546     rv_op_vmseq_vx = 515,
547     rv_op_vmseq_vi = 516,
548     rv_op_vmsne_vv = 517,
549     rv_op_vmsne_vx = 518,
550     rv_op_vmsne_vi = 519,
551     rv_op_vmsltu_vv = 520,
552     rv_op_vmsltu_vx = 521,
553     rv_op_vmslt_vv = 522,
554     rv_op_vmslt_vx = 523,
555     rv_op_vmsleu_vv = 524,
556     rv_op_vmsleu_vx = 525,
557     rv_op_vmsleu_vi = 526,
558     rv_op_vmsle_vv = 527,
559     rv_op_vmsle_vx = 528,
560     rv_op_vmsle_vi = 529,
561     rv_op_vmsgtu_vx = 530,
562     rv_op_vmsgtu_vi = 531,
563     rv_op_vmsgt_vx = 532,
564     rv_op_vmsgt_vi = 533,
565     rv_op_vminu_vv = 534,
566     rv_op_vminu_vx = 535,
567     rv_op_vmin_vv = 536,
568     rv_op_vmin_vx = 537,
569     rv_op_vmaxu_vv = 538,
570     rv_op_vmaxu_vx = 539,
571     rv_op_vmax_vv = 540,
572     rv_op_vmax_vx = 541,
573     rv_op_vmul_vv = 542,
574     rv_op_vmul_vx = 543,
575     rv_op_vmulh_vv = 544,
576     rv_op_vmulh_vx = 545,
577     rv_op_vmulhu_vv = 546,
578     rv_op_vmulhu_vx = 547,
579     rv_op_vmulhsu_vv = 548,
580     rv_op_vmulhsu_vx = 549,
581     rv_op_vdivu_vv = 550,
582     rv_op_vdivu_vx = 551,
583     rv_op_vdiv_vv = 552,
584     rv_op_vdiv_vx = 553,
585     rv_op_vremu_vv = 554,
586     rv_op_vremu_vx = 555,
587     rv_op_vrem_vv = 556,
588     rv_op_vrem_vx = 557,
589     rv_op_vwmulu_vv = 558,
590     rv_op_vwmulu_vx = 559,
591     rv_op_vwmulsu_vv = 560,
592     rv_op_vwmulsu_vx = 561,
593     rv_op_vwmul_vv = 562,
594     rv_op_vwmul_vx = 563,
595     rv_op_vmacc_vv = 564,
596     rv_op_vmacc_vx = 565,
597     rv_op_vnmsac_vv = 566,
598     rv_op_vnmsac_vx = 567,
599     rv_op_vmadd_vv = 568,
600     rv_op_vmadd_vx = 569,
601     rv_op_vnmsub_vv = 570,
602     rv_op_vnmsub_vx = 571,
603     rv_op_vwmaccu_vv = 572,
604     rv_op_vwmaccu_vx = 573,
605     rv_op_vwmacc_vv = 574,
606     rv_op_vwmacc_vx = 575,
607     rv_op_vwmaccsu_vv = 576,
608     rv_op_vwmaccsu_vx = 577,
609     rv_op_vwmaccus_vx = 578,
610     rv_op_vmv_v_v = 579,
611     rv_op_vmv_v_x = 580,
612     rv_op_vmv_v_i = 581,
613     rv_op_vmerge_vvm = 582,
614     rv_op_vmerge_vxm = 583,
615     rv_op_vmerge_vim = 584,
616     rv_op_vsaddu_vv = 585,
617     rv_op_vsaddu_vx = 586,
618     rv_op_vsaddu_vi = 587,
619     rv_op_vsadd_vv = 588,
620     rv_op_vsadd_vx = 589,
621     rv_op_vsadd_vi = 590,
622     rv_op_vssubu_vv = 591,
623     rv_op_vssubu_vx = 592,
624     rv_op_vssub_vv = 593,
625     rv_op_vssub_vx = 594,
626     rv_op_vaadd_vv = 595,
627     rv_op_vaadd_vx = 596,
628     rv_op_vaaddu_vv = 597,
629     rv_op_vaaddu_vx = 598,
630     rv_op_vasub_vv = 599,
631     rv_op_vasub_vx = 600,
632     rv_op_vasubu_vv = 601,
633     rv_op_vasubu_vx = 602,
634     rv_op_vsmul_vv = 603,
635     rv_op_vsmul_vx = 604,
636     rv_op_vssrl_vv = 605,
637     rv_op_vssrl_vx = 606,
638     rv_op_vssrl_vi = 607,
639     rv_op_vssra_vv = 608,
640     rv_op_vssra_vx = 609,
641     rv_op_vssra_vi = 610,
642     rv_op_vnclipu_wv = 611,
643     rv_op_vnclipu_wx = 612,
644     rv_op_vnclipu_wi = 613,
645     rv_op_vnclip_wv = 614,
646     rv_op_vnclip_wx = 615,
647     rv_op_vnclip_wi = 616,
648     rv_op_vfadd_vv = 617,
649     rv_op_vfadd_vf = 618,
650     rv_op_vfsub_vv = 619,
651     rv_op_vfsub_vf = 620,
652     rv_op_vfrsub_vf = 621,
653     rv_op_vfwadd_vv = 622,
654     rv_op_vfwadd_vf = 623,
655     rv_op_vfwadd_wv = 624,
656     rv_op_vfwadd_wf = 625,
657     rv_op_vfwsub_vv = 626,
658     rv_op_vfwsub_vf = 627,
659     rv_op_vfwsub_wv = 628,
660     rv_op_vfwsub_wf = 629,
661     rv_op_vfmul_vv = 630,
662     rv_op_vfmul_vf = 631,
663     rv_op_vfdiv_vv = 632,
664     rv_op_vfdiv_vf = 633,
665     rv_op_vfrdiv_vf = 634,
666     rv_op_vfwmul_vv = 635,
667     rv_op_vfwmul_vf = 636,
668     rv_op_vfmacc_vv = 637,
669     rv_op_vfmacc_vf = 638,
670     rv_op_vfnmacc_vv = 639,
671     rv_op_vfnmacc_vf = 640,
672     rv_op_vfmsac_vv = 641,
673     rv_op_vfmsac_vf = 642,
674     rv_op_vfnmsac_vv = 643,
675     rv_op_vfnmsac_vf = 644,
676     rv_op_vfmadd_vv = 645,
677     rv_op_vfmadd_vf = 646,
678     rv_op_vfnmadd_vv = 647,
679     rv_op_vfnmadd_vf = 648,
680     rv_op_vfmsub_vv = 649,
681     rv_op_vfmsub_vf = 650,
682     rv_op_vfnmsub_vv = 651,
683     rv_op_vfnmsub_vf = 652,
684     rv_op_vfwmacc_vv = 653,
685     rv_op_vfwmacc_vf = 654,
686     rv_op_vfwnmacc_vv = 655,
687     rv_op_vfwnmacc_vf = 656,
688     rv_op_vfwmsac_vv = 657,
689     rv_op_vfwmsac_vf = 658,
690     rv_op_vfwnmsac_vv = 659,
691     rv_op_vfwnmsac_vf = 660,
692     rv_op_vfsqrt_v = 661,
693     rv_op_vfrsqrt7_v = 662,
694     rv_op_vfrec7_v = 663,
695     rv_op_vfmin_vv = 664,
696     rv_op_vfmin_vf = 665,
697     rv_op_vfmax_vv = 666,
698     rv_op_vfmax_vf = 667,
699     rv_op_vfsgnj_vv = 668,
700     rv_op_vfsgnj_vf = 669,
701     rv_op_vfsgnjn_vv = 670,
702     rv_op_vfsgnjn_vf = 671,
703     rv_op_vfsgnjx_vv = 672,
704     rv_op_vfsgnjx_vf = 673,
705     rv_op_vfslide1up_vf = 674,
706     rv_op_vfslide1down_vf = 675,
707     rv_op_vmfeq_vv = 676,
708     rv_op_vmfeq_vf = 677,
709     rv_op_vmfne_vv = 678,
710     rv_op_vmfne_vf = 679,
711     rv_op_vmflt_vv = 680,
712     rv_op_vmflt_vf = 681,
713     rv_op_vmfle_vv = 682,
714     rv_op_vmfle_vf = 683,
715     rv_op_vmfgt_vf = 684,
716     rv_op_vmfge_vf = 685,
717     rv_op_vfclass_v = 686,
718     rv_op_vfmerge_vfm = 687,
719     rv_op_vfmv_v_f = 688,
720     rv_op_vfcvt_xu_f_v = 689,
721     rv_op_vfcvt_x_f_v = 690,
722     rv_op_vfcvt_f_xu_v = 691,
723     rv_op_vfcvt_f_x_v = 692,
724     rv_op_vfcvt_rtz_xu_f_v = 693,
725     rv_op_vfcvt_rtz_x_f_v = 694,
726     rv_op_vfwcvt_xu_f_v = 695,
727     rv_op_vfwcvt_x_f_v = 696,
728     rv_op_vfwcvt_f_xu_v = 697,
729     rv_op_vfwcvt_f_x_v = 698,
730     rv_op_vfwcvt_f_f_v = 699,
731     rv_op_vfwcvt_rtz_xu_f_v = 700,
732     rv_op_vfwcvt_rtz_x_f_v = 701,
733     rv_op_vfncvt_xu_f_w = 702,
734     rv_op_vfncvt_x_f_w = 703,
735     rv_op_vfncvt_f_xu_w = 704,
736     rv_op_vfncvt_f_x_w = 705,
737     rv_op_vfncvt_f_f_w = 706,
738     rv_op_vfncvt_rod_f_f_w = 707,
739     rv_op_vfncvt_rtz_xu_f_w = 708,
740     rv_op_vfncvt_rtz_x_f_w = 709,
741     rv_op_vredsum_vs = 710,
742     rv_op_vredand_vs = 711,
743     rv_op_vredor_vs = 712,
744     rv_op_vredxor_vs = 713,
745     rv_op_vredminu_vs = 714,
746     rv_op_vredmin_vs = 715,
747     rv_op_vredmaxu_vs = 716,
748     rv_op_vredmax_vs = 717,
749     rv_op_vwredsumu_vs = 718,
750     rv_op_vwredsum_vs = 719,
751     rv_op_vfredusum_vs = 720,
752     rv_op_vfredosum_vs = 721,
753     rv_op_vfredmin_vs = 722,
754     rv_op_vfredmax_vs = 723,
755     rv_op_vfwredusum_vs = 724,
756     rv_op_vfwredosum_vs = 725,
757     rv_op_vmand_mm = 726,
758     rv_op_vmnand_mm = 727,
759     rv_op_vmandn_mm = 728,
760     rv_op_vmxor_mm = 729,
761     rv_op_vmor_mm = 730,
762     rv_op_vmnor_mm = 731,
763     rv_op_vmorn_mm = 732,
764     rv_op_vmxnor_mm = 733,
765     rv_op_vcpop_m = 734,
766     rv_op_vfirst_m = 735,
767     rv_op_vmsbf_m = 736,
768     rv_op_vmsif_m = 737,
769     rv_op_vmsof_m = 738,
770     rv_op_viota_m = 739,
771     rv_op_vid_v = 740,
772     rv_op_vmv_x_s = 741,
773     rv_op_vmv_s_x = 742,
774     rv_op_vfmv_f_s = 743,
775     rv_op_vfmv_s_f = 744,
776     rv_op_vslideup_vx = 745,
777     rv_op_vslideup_vi = 746,
778     rv_op_vslide1up_vx = 747,
779     rv_op_vslidedown_vx = 748,
780     rv_op_vslidedown_vi = 749,
781     rv_op_vslide1down_vx = 750,
782     rv_op_vrgather_vv = 751,
783     rv_op_vrgatherei16_vv = 752,
784     rv_op_vrgather_vx = 753,
785     rv_op_vrgather_vi = 754,
786     rv_op_vcompress_vm = 755,
787     rv_op_vmv1r_v = 756,
788     rv_op_vmv2r_v = 757,
789     rv_op_vmv4r_v = 758,
790     rv_op_vmv8r_v = 759,
791     rv_op_vzext_vf2 = 760,
792     rv_op_vzext_vf4 = 761,
793     rv_op_vzext_vf8 = 762,
794     rv_op_vsext_vf2 = 763,
795     rv_op_vsext_vf4 = 764,
796     rv_op_vsext_vf8 = 765,
797     rv_op_vsetvli = 766,
798     rv_op_vsetivli = 767,
799     rv_op_vsetvl = 768,
800     rv_op_c_zext_b = 769,
801     rv_op_c_sext_b = 770,
802     rv_op_c_zext_h = 771,
803     rv_op_c_sext_h = 772,
804     rv_op_c_zext_w = 773,
805     rv_op_c_not = 774,
806     rv_op_c_mul = 775,
807     rv_op_c_lbu = 776,
808     rv_op_c_lhu = 777,
809     rv_op_c_lh = 778,
810     rv_op_c_sb = 779,
811     rv_op_c_sh = 780,
812     rv_op_cm_push = 781,
813     rv_op_cm_pop = 782,
814     rv_op_cm_popret = 783,
815     rv_op_cm_popretz = 784,
816     rv_op_cm_mva01s = 785,
817     rv_op_cm_mvsa01 = 786,
818     rv_op_cm_jt = 787,
819     rv_op_cm_jalt = 788,
820     rv_op_czero_eqz = 789,
821     rv_op_czero_nez = 790,
822     rv_op_fcvt_bf16_s = 791,
823     rv_op_fcvt_s_bf16 = 792,
824     rv_op_vfncvtbf16_f_f_w = 793,
825     rv_op_vfwcvtbf16_f_f_v = 794,
826     rv_op_vfwmaccbf16_vv = 795,
827     rv_op_vfwmaccbf16_vf = 796,
828     rv_op_flh = 797,
829     rv_op_fsh = 798,
830     rv_op_fmv_h_x = 799,
831     rv_op_fmv_x_h = 800,
832     rv_op_fli_s = 801,
833     rv_op_fli_d = 802,
834     rv_op_fli_q = 803,
835     rv_op_fli_h = 804,
836     rv_op_fminm_s = 805,
837     rv_op_fmaxm_s = 806,
838     rv_op_fminm_d = 807,
839     rv_op_fmaxm_d = 808,
840     rv_op_fminm_q = 809,
841     rv_op_fmaxm_q = 810,
842     rv_op_fminm_h = 811,
843     rv_op_fmaxm_h = 812,
844     rv_op_fround_s = 813,
845     rv_op_froundnx_s = 814,
846     rv_op_fround_d = 815,
847     rv_op_froundnx_d = 816,
848     rv_op_fround_q = 817,
849     rv_op_froundnx_q = 818,
850     rv_op_fround_h = 819,
851     rv_op_froundnx_h = 820,
852     rv_op_fcvtmod_w_d = 821,
853     rv_op_fmvh_x_d = 822,
854     rv_op_fmvp_d_x = 823,
855     rv_op_fmvh_x_q = 824,
856     rv_op_fmvp_q_x = 825,
857     rv_op_fleq_s = 826,
858     rv_op_fltq_s = 827,
859     rv_op_fleq_d = 828,
860     rv_op_fltq_d = 829,
861     rv_op_fleq_q = 830,
862     rv_op_fltq_q = 831,
863     rv_op_fleq_h = 832,
864     rv_op_fltq_h = 833,
865     rv_op_vaesdf_vv = 834,
866     rv_op_vaesdf_vs = 835,
867     rv_op_vaesdm_vv = 836,
868     rv_op_vaesdm_vs = 837,
869     rv_op_vaesef_vv = 838,
870     rv_op_vaesef_vs = 839,
871     rv_op_vaesem_vv = 840,
872     rv_op_vaesem_vs = 841,
873     rv_op_vaeskf1_vi = 842,
874     rv_op_vaeskf2_vi = 843,
875     rv_op_vaesz_vs = 844,
876     rv_op_vandn_vv = 845,
877     rv_op_vandn_vx = 846,
878     rv_op_vbrev_v = 847,
879     rv_op_vbrev8_v = 848,
880     rv_op_vclmul_vv = 849,
881     rv_op_vclmul_vx = 850,
882     rv_op_vclmulh_vv = 851,
883     rv_op_vclmulh_vx = 852,
884     rv_op_vclz_v = 853,
885     rv_op_vcpop_v = 854,
886     rv_op_vctz_v = 855,
887     rv_op_vghsh_vv = 856,
888     rv_op_vgmul_vv = 857,
889     rv_op_vrev8_v = 858,
890     rv_op_vrol_vv = 859,
891     rv_op_vrol_vx = 860,
892     rv_op_vror_vv = 861,
893     rv_op_vror_vx = 862,
894     rv_op_vror_vi = 863,
895     rv_op_vsha2ch_vv = 864,
896     rv_op_vsha2cl_vv = 865,
897     rv_op_vsha2ms_vv = 866,
898     rv_op_vsm3c_vi = 867,
899     rv_op_vsm3me_vv = 868,
900     rv_op_vsm4k_vi = 869,
901     rv_op_vsm4r_vv = 870,
902     rv_op_vsm4r_vs = 871,
903     rv_op_vwsll_vv = 872,
904     rv_op_vwsll_vx = 873,
905     rv_op_vwsll_vi = 874,
906     rv_op_amocas_w = 875,
907     rv_op_amocas_d = 876,
908     rv_op_amocas_q = 877,
909     rv_mop_r_0     = 878,
910     rv_mop_r_1     = 879,
911     rv_mop_r_2     = 880,
912     rv_mop_r_3     = 881,
913     rv_mop_r_4     = 882,
914     rv_mop_r_5     = 883,
915     rv_mop_r_6     = 884,
916     rv_mop_r_7     = 885,
917     rv_mop_r_8     = 886,
918     rv_mop_r_9     = 887,
919     rv_mop_r_10    = 888,
920     rv_mop_r_11    = 889,
921     rv_mop_r_12    = 890,
922     rv_mop_r_13    = 891,
923     rv_mop_r_14    = 892,
924     rv_mop_r_15    = 893,
925     rv_mop_r_16    = 894,
926     rv_mop_r_17    = 895,
927     rv_mop_r_18    = 896,
928     rv_mop_r_19    = 897,
929     rv_mop_r_20    = 898,
930     rv_mop_r_21    = 899,
931     rv_mop_r_22    = 900,
932     rv_mop_r_23    = 901,
933     rv_mop_r_24    = 902,
934     rv_mop_r_25    = 903,
935     rv_mop_r_26    = 904,
936     rv_mop_r_27    = 905,
937     rv_mop_r_28    = 906,
938     rv_mop_r_29    = 907,
939     rv_mop_r_30    = 908,
940     rv_mop_r_31    = 909,
941     rv_mop_rr_0    = 910,
942     rv_mop_rr_1    = 911,
943     rv_mop_rr_2    = 912,
944     rv_mop_rr_3    = 913,
945     rv_mop_rr_4    = 914,
946     rv_mop_rr_5    = 915,
947     rv_mop_rr_6    = 916,
948     rv_mop_rr_7    = 917,
949     rv_c_mop_1     = 918,
950     rv_c_mop_3     = 919,
951     rv_c_mop_5     = 920,
952     rv_c_mop_7     = 921,
953     rv_c_mop_9     = 922,
954     rv_c_mop_11    = 923,
955     rv_c_mop_13    = 924,
956     rv_c_mop_15    = 925,
957     rv_op_amoswap_b = 926,
958     rv_op_amoadd_b  = 927,
959     rv_op_amoxor_b  = 928,
960     rv_op_amoor_b   = 929,
961     rv_op_amoand_b  = 930,
962     rv_op_amomin_b  = 931,
963     rv_op_amomax_b  = 932,
964     rv_op_amominu_b = 933,
965     rv_op_amomaxu_b = 934,
966     rv_op_amoswap_h = 935,
967     rv_op_amoadd_h  = 936,
968     rv_op_amoxor_h  = 937,
969     rv_op_amoor_h   = 938,
970     rv_op_amoand_h  = 939,
971     rv_op_amomin_h  = 940,
972     rv_op_amomax_h  = 941,
973     rv_op_amominu_h = 942,
974     rv_op_amomaxu_h = 943,
975     rv_op_amocas_b  = 944,
976     rv_op_amocas_h  = 945,
977     rv_op_wrs_sto = 946,
978     rv_op_wrs_nto = 947,
979     rv_op_lpad = 948,
980     rv_op_sspush = 949,
981     rv_op_sspopchk = 950,
982     rv_op_ssrdp = 951,
983     rv_op_ssamoswap_w = 952,
984     rv_op_ssamoswap_d = 953,
985     rv_op_c_sspush = 954,
986     rv_op_c_sspopchk = 955,
987 } rv_op;
988 
989 /* register names */
990 
991 static const char rv_ireg_name_sym[32][5] = {
992     "zero", "ra",   "sp",   "gp",   "tp",   "t0",   "t1",   "t2",
993     "s0",   "s1",   "a0",   "a1",   "a2",   "a3",   "a4",   "a5",
994     "a6",   "a7",   "s2",   "s3",   "s4",   "s5",   "s6",   "s7",
995     "s8",   "s9",   "s10",  "s11",  "t3",   "t4",   "t5",   "t6",
996 };
997 
998 static const char rv_freg_name_sym[32][5] = {
999     "ft0",  "ft1",  "ft2",  "ft3",  "ft4",  "ft5",  "ft6",  "ft7",
1000     "fs0",  "fs1",  "fa0",  "fa1",  "fa2",  "fa3",  "fa4",  "fa5",
1001     "fa6",  "fa7",  "fs2",  "fs3",  "fs4",  "fs5",  "fs6",  "fs7",
1002     "fs8",  "fs9",  "fs10", "fs11", "ft8",  "ft9",  "ft10", "ft11",
1003 };
1004 
1005 static const char rv_vreg_name_sym[32][4] = {
1006     "v0",  "v1",  "v2",  "v3",  "v4",  "v5",  "v6",  "v7",
1007     "v8",  "v9",  "v10", "v11", "v12", "v13", "v14", "v15",
1008     "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
1009     "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31"
1010 };
1011 
1012 /* The FLI.[HSDQ] numeric constants (0.0 for symbolic constants).
1013  * The constants use the hex floating-point literal representation
1014  * that is printed when using the printf %a format specifier,
1015  * which matches the output that is generated by the disassembler.
1016  */
1017 static const char rv_fli_name_const[32][9] =
1018 {
1019     "0x1p+0", "min", "0x1p-16", "0x1p-15",
1020     "0x1p-8", "0x1p-7", "0x1p-4", "0x1p-3",
1021     "0x1p-2", "0x1.4p-2", "0x1.8p-2", "0x1.cp-2",
1022     "0x1p-1", "0x1.4p-1", "0x1.8p-1", "0x1.cp-1",
1023     "0x1p+0", "0x1.4p+0", "0x1.8p+0", "0x1.cp+0",
1024     "0x1p+1", "0x1.4p+1", "0x1.8p+1", "0x1p+2",
1025     "0x1p+3", "0x1p+4", "0x1p+7", "0x1p+8",
1026     "0x1p+15", "0x1p+16", "inf", "nan"
1027 };
1028 
1029 /* pseudo-instruction constraints */
1030 
1031 static const rvc_constraint rvcc_jal[] = { rvc_rd_eq_ra, rvc_end };
1032 static const rvc_constraint rvcc_jalr[] = { rvc_rd_eq_ra, rvc_imm_eq_zero,
1033                                             rvc_end };
1034 static const rvc_constraint rvcc_nop[] = { rvc_rd_eq_x0, rvc_rs1_eq_x0,
1035                                            rvc_imm_eq_zero, rvc_end };
1036 static const rvc_constraint rvcc_mv[] = { rvc_imm_eq_zero, rvc_end };
1037 static const rvc_constraint rvcc_not[] = { rvc_imm_eq_n1, rvc_end };
1038 static const rvc_constraint rvcc_neg[] = { rvc_rs1_eq_x0, rvc_end };
1039 static const rvc_constraint rvcc_negw[] = { rvc_rs1_eq_x0, rvc_end };
1040 static const rvc_constraint rvcc_sext_w[] = { rvc_imm_eq_zero, rvc_end };
1041 static const rvc_constraint rvcc_seqz[] = { rvc_imm_eq_p1, rvc_end };
1042 static const rvc_constraint rvcc_snez[] = { rvc_rs1_eq_x0, rvc_end };
1043 static const rvc_constraint rvcc_sltz[] = { rvc_rs2_eq_x0, rvc_end };
1044 static const rvc_constraint rvcc_sgtz[] = { rvc_rs1_eq_x0, rvc_end };
1045 static const rvc_constraint rvcc_fmv_s[] = { rvc_rs2_eq_rs1, rvc_end };
1046 static const rvc_constraint rvcc_fabs_s[] = { rvc_rs2_eq_rs1, rvc_end };
1047 static const rvc_constraint rvcc_fneg_s[] = { rvc_rs2_eq_rs1, rvc_end };
1048 static const rvc_constraint rvcc_fmv_d[] = { rvc_rs2_eq_rs1, rvc_end };
1049 static const rvc_constraint rvcc_fabs_d[] = { rvc_rs2_eq_rs1, rvc_end };
1050 static const rvc_constraint rvcc_fneg_d[] = { rvc_rs2_eq_rs1, rvc_end };
1051 static const rvc_constraint rvcc_fmv_q[] = { rvc_rs2_eq_rs1, rvc_end };
1052 static const rvc_constraint rvcc_fabs_q[] = { rvc_rs2_eq_rs1, rvc_end };
1053 static const rvc_constraint rvcc_fneg_q[] = { rvc_rs2_eq_rs1, rvc_end };
1054 static const rvc_constraint rvcc_beqz[] = { rvc_rs2_eq_x0, rvc_end };
1055 static const rvc_constraint rvcc_bnez[] = { rvc_rs2_eq_x0, rvc_end };
1056 static const rvc_constraint rvcc_blez[] = { rvc_rs1_eq_x0, rvc_end };
1057 static const rvc_constraint rvcc_bgez[] = { rvc_rs2_eq_x0, rvc_end };
1058 static const rvc_constraint rvcc_bltz[] = { rvc_rs2_eq_x0, rvc_end };
1059 static const rvc_constraint rvcc_bgtz[] = { rvc_rs1_eq_x0, rvc_end };
1060 static const rvc_constraint rvcc_ble[] = { rvc_end };
1061 static const rvc_constraint rvcc_bleu[] = { rvc_end };
1062 static const rvc_constraint rvcc_bgt[] = { rvc_end };
1063 static const rvc_constraint rvcc_bgtu[] = { rvc_end };
1064 static const rvc_constraint rvcc_j[] = { rvc_rd_eq_x0, rvc_end };
1065 static const rvc_constraint rvcc_ret[] = { rvc_rd_eq_x0, rvc_rs1_eq_ra,
1066                                            rvc_end };
1067 static const rvc_constraint rvcc_jr[] = { rvc_rd_eq_x0, rvc_imm_eq_zero,
1068                                           rvc_end };
1069 static const rvc_constraint rvcc_rdcycle[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc00,
1070                                                rvc_end };
1071 static const rvc_constraint rvcc_rdtime[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc01,
1072                                               rvc_end };
1073 static const rvc_constraint rvcc_rdinstret[] = { rvc_rs1_eq_x0,
1074                                                  rvc_csr_eq_0xc02, rvc_end };
1075 static const rvc_constraint rvcc_rdcycleh[] = { rvc_rs1_eq_x0,
1076                                                 rvc_csr_eq_0xc80, rvc_end };
1077 static const rvc_constraint rvcc_rdtimeh[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc81,
1078                                                rvc_end };
1079 static const rvc_constraint rvcc_rdinstreth[] = { rvc_rs1_eq_x0,
1080                                                   rvc_csr_eq_0xc82, rvc_end };
1081 static const rvc_constraint rvcc_frcsr[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x003,
1082                                              rvc_end };
1083 static const rvc_constraint rvcc_frrm[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x002,
1084                                             rvc_end };
1085 static const rvc_constraint rvcc_frflags[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x001,
1086                                                rvc_end };
1087 static const rvc_constraint rvcc_fscsr[] = { rvc_csr_eq_0x003, rvc_end };
1088 static const rvc_constraint rvcc_fsrm[] = { rvc_csr_eq_0x002, rvc_end };
1089 static const rvc_constraint rvcc_fsflags[] = { rvc_csr_eq_0x001, rvc_end };
1090 static const rvc_constraint rvcc_fsrmi[] = { rvc_csr_eq_0x002, rvc_end };
1091 static const rvc_constraint rvcc_fsflagsi[] = { rvc_csr_eq_0x001, rvc_end };
1092 
1093 /* pseudo-instruction metadata */
1094 
1095 static const rv_comp_data rvcp_jal[] = {
1096     { rv_op_j, rvcc_j },
1097     { rv_op_jal, rvcc_jal },
1098     { rv_op_illegal, NULL }
1099 };
1100 
1101 static const rv_comp_data rvcp_jalr[] = {
1102     { rv_op_ret, rvcc_ret },
1103     { rv_op_jr, rvcc_jr },
1104     { rv_op_jalr, rvcc_jalr },
1105     { rv_op_illegal, NULL }
1106 };
1107 
1108 static const rv_comp_data rvcp_beq[] = {
1109     { rv_op_beqz, rvcc_beqz },
1110     { rv_op_illegal, NULL }
1111 };
1112 
1113 static const rv_comp_data rvcp_bne[] = {
1114     { rv_op_bnez, rvcc_bnez },
1115     { rv_op_illegal, NULL }
1116 };
1117 
1118 static const rv_comp_data rvcp_blt[] = {
1119     { rv_op_bltz, rvcc_bltz },
1120     { rv_op_bgtz, rvcc_bgtz },
1121     { rv_op_bgt, rvcc_bgt },
1122     { rv_op_illegal, NULL }
1123 };
1124 
1125 static const rv_comp_data rvcp_bge[] = {
1126     { rv_op_blez, rvcc_blez },
1127     { rv_op_bgez, rvcc_bgez },
1128     { rv_op_ble, rvcc_ble },
1129     { rv_op_illegal, NULL }
1130 };
1131 
1132 static const rv_comp_data rvcp_bltu[] = {
1133     { rv_op_bgtu, rvcc_bgtu },
1134     { rv_op_illegal, NULL }
1135 };
1136 
1137 static const rv_comp_data rvcp_bgeu[] = {
1138     { rv_op_bleu, rvcc_bleu },
1139     { rv_op_illegal, NULL }
1140 };
1141 
1142 static const rv_comp_data rvcp_addi[] = {
1143     { rv_op_nop, rvcc_nop },
1144     { rv_op_mv, rvcc_mv },
1145     { rv_op_illegal, NULL }
1146 };
1147 
1148 static const rv_comp_data rvcp_sltiu[] = {
1149     { rv_op_seqz, rvcc_seqz },
1150     { rv_op_illegal, NULL }
1151 };
1152 
1153 static const rv_comp_data rvcp_xori[] = {
1154     { rv_op_not, rvcc_not },
1155     { rv_op_illegal, NULL }
1156 };
1157 
1158 static const rv_comp_data rvcp_sub[] = {
1159     { rv_op_neg, rvcc_neg },
1160     { rv_op_illegal, NULL }
1161 };
1162 
1163 static const rv_comp_data rvcp_slt[] = {
1164     { rv_op_sltz, rvcc_sltz },
1165     { rv_op_sgtz, rvcc_sgtz },
1166     { rv_op_illegal, NULL }
1167 };
1168 
1169 static const rv_comp_data rvcp_sltu[] = {
1170     { rv_op_snez, rvcc_snez },
1171     { rv_op_illegal, NULL }
1172 };
1173 
1174 static const rv_comp_data rvcp_addiw[] = {
1175     { rv_op_sext_w, rvcc_sext_w },
1176     { rv_op_illegal, NULL }
1177 };
1178 
1179 static const rv_comp_data rvcp_subw[] = {
1180     { rv_op_negw, rvcc_negw },
1181     { rv_op_illegal, NULL }
1182 };
1183 
1184 static const rv_comp_data rvcp_csrrw[] = {
1185     { rv_op_fscsr, rvcc_fscsr },
1186     { rv_op_fsrm, rvcc_fsrm },
1187     { rv_op_fsflags, rvcc_fsflags },
1188     { rv_op_illegal, NULL }
1189 };
1190 
1191 
1192 static const rv_comp_data rvcp_csrrs[] = {
1193     { rv_op_rdcycle, rvcc_rdcycle },
1194     { rv_op_rdtime, rvcc_rdtime },
1195     { rv_op_rdinstret, rvcc_rdinstret },
1196     { rv_op_rdcycleh, rvcc_rdcycleh },
1197     { rv_op_rdtimeh, rvcc_rdtimeh },
1198     { rv_op_rdinstreth, rvcc_rdinstreth },
1199     { rv_op_frcsr, rvcc_frcsr },
1200     { rv_op_frrm, rvcc_frrm },
1201     { rv_op_frflags, rvcc_frflags },
1202     { rv_op_illegal, NULL }
1203 };
1204 
1205 static const rv_comp_data rvcp_csrrwi[] = {
1206     { rv_op_fsrmi, rvcc_fsrmi },
1207     { rv_op_fsflagsi, rvcc_fsflagsi },
1208     { rv_op_illegal, NULL }
1209 };
1210 
1211 static const rv_comp_data rvcp_fsgnj_s[] = {
1212     { rv_op_fmv_s, rvcc_fmv_s },
1213     { rv_op_illegal, NULL }
1214 };
1215 
1216 static const rv_comp_data rvcp_fsgnjn_s[] = {
1217     { rv_op_fneg_s, rvcc_fneg_s },
1218     { rv_op_illegal, NULL }
1219 };
1220 
1221 static const rv_comp_data rvcp_fsgnjx_s[] = {
1222     { rv_op_fabs_s, rvcc_fabs_s },
1223     { rv_op_illegal, NULL }
1224 };
1225 
1226 static const rv_comp_data rvcp_fsgnj_d[] = {
1227     { rv_op_fmv_d, rvcc_fmv_d },
1228     { rv_op_illegal, NULL }
1229 };
1230 
1231 static const rv_comp_data rvcp_fsgnjn_d[] = {
1232     { rv_op_fneg_d, rvcc_fneg_d },
1233     { rv_op_illegal, NULL }
1234 };
1235 
1236 static const rv_comp_data rvcp_fsgnjx_d[] = {
1237     { rv_op_fabs_d, rvcc_fabs_d },
1238     { rv_op_illegal, NULL }
1239 };
1240 
1241 static const rv_comp_data rvcp_fsgnj_q[] = {
1242     { rv_op_fmv_q, rvcc_fmv_q },
1243     { rv_op_illegal, NULL }
1244 };
1245 
1246 static const rv_comp_data rvcp_fsgnjn_q[] = {
1247     { rv_op_fneg_q, rvcc_fneg_q },
1248     { rv_op_illegal, NULL }
1249 };
1250 
1251 static const rv_comp_data rvcp_fsgnjx_q[] = {
1252     { rv_op_fabs_q, rvcc_fabs_q },
1253     { rv_op_illegal, NULL }
1254 };
1255 
1256 /* instruction metadata */
1257 
1258 const rv_opcode_data rvi_opcode_data[] = {
1259     { "illegal", rv_codec_illegal, rv_fmt_none, NULL, 0, 0, 0 },
1260     { "lui", rv_codec_u, rv_fmt_rd_uimm, NULL, 0, 0, 0 },
1261     { "auipc", rv_codec_u, rv_fmt_rd_uoffset, NULL, 0, 0, 0 },
1262     { "jal", rv_codec_uj, rv_fmt_rd_offset, rvcp_jal, 0, 0, 0 },
1263     { "jalr", rv_codec_i, rv_fmt_rd_rs1_offset, rvcp_jalr, 0, 0, 0 },
1264     { "beq", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_beq, 0, 0, 0 },
1265     { "bne", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bne, 0, 0, 0 },
1266     { "blt", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_blt, 0, 0, 0 },
1267     { "bge", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bge, 0, 0, 0 },
1268     { "bltu", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bltu, 0, 0, 0 },
1269     { "bgeu", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bgeu, 0, 0, 0 },
1270     { "lb", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1271     { "lh", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1272     { "lw", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1273     { "lbu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1274     { "lhu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1275     { "sb", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1276     { "sh", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1277     { "sw", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1278     { "addi", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_addi, 0, 0, 0 },
1279     { "slti", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1280     { "sltiu", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_sltiu, 0, 0, 0 },
1281     { "xori", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_xori, 0, 0, 0 },
1282     { "ori", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1283     { "andi", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1284     { "slli", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1285     { "srli", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1286     { "srai", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1287     { "add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1288     { "sub", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_sub, 0, 0, 0 },
1289     { "sll", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1290     { "slt", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_slt, 0, 0, 0 },
1291     { "sltu", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_sltu, 0, 0, 0 },
1292     { "xor", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1293     { "srl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1294     { "sra", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1295     { "or", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1296     { "and", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1297     { "fence", rv_codec_r_f, rv_fmt_pred_succ, NULL, 0, 0, 0 },
1298     { "fence.i", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1299     { "lwu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1300     { "ld", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1301     { "sd", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1302     { "addiw", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_addiw, 0, 0, 0 },
1303     { "slliw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1304     { "srliw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1305     { "sraiw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1306     { "addw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1307     { "subw", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_subw, 0, 0, 0 },
1308     { "sllw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1309     { "srlw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1310     { "sraw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1311     { "ldu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1312     { "lq", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1313     { "sq", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1314     { "addid", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1315     { "sllid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1316     { "srlid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1317     { "sraid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1318     { "addd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1319     { "subd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1320     { "slld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1321     { "srld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1322     { "srad", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1323     { "mul", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1324     { "mulh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1325     { "mulhsu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1326     { "mulhu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1327     { "div", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1328     { "divu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1329     { "rem", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1330     { "remu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1331     { "mulw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1332     { "divw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1333     { "divuw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1334     { "remw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1335     { "remuw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1336     { "muld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1337     { "divd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1338     { "divud", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1339     { "remd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1340     { "remud", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1341     { "lr.w", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1342     { "sc.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1343     { "amoswap.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1344     { "amoadd.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1345     { "amoxor.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1346     { "amoor.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1347     { "amoand.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1348     { "amomin.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1349     { "amomax.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1350     { "amominu.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1351     { "amomaxu.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1352     { "lr.d", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1353     { "sc.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1354     { "amoswap.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1355     { "amoadd.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1356     { "amoxor.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1357     { "amoor.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1358     { "amoand.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1359     { "amomin.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1360     { "amomax.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1361     { "amominu.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1362     { "amomaxu.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1363     { "lr.q", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1364     { "sc.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1365     { "amoswap.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1366     { "amoadd.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1367     { "amoxor.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1368     { "amoor.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1369     { "amoand.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1370     { "amomin.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1371     { "amomax.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1372     { "amominu.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1373     { "amomaxu.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1374     { "ecall", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1375     { "ebreak", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1376     { "uret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1377     { "sret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1378     { "hret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1379     { "mret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1380     { "dret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1381     { "sfence.vm", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 },
1382     { "sfence.vma", rv_codec_r, rv_fmt_rs1_rs2, NULL, 0, 0, 0 },
1383     { "wfi", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1384     { "csrrw", rv_codec_i_csr, rv_fmt_rd_csr_rs1, rvcp_csrrw, 0, 0, 0 },
1385     { "csrrs", rv_codec_i_csr, rv_fmt_rd_csr_rs1, rvcp_csrrs, 0, 0, 0 },
1386     { "csrrc", rv_codec_i_csr, rv_fmt_rd_csr_rs1, NULL, 0, 0, 0 },
1387     { "csrrwi", rv_codec_i_csr, rv_fmt_rd_csr_zimm, rvcp_csrrwi, 0, 0, 0 },
1388     { "csrrsi", rv_codec_i_csr, rv_fmt_rd_csr_zimm, NULL, 0, 0, 0 },
1389     { "csrrci", rv_codec_i_csr, rv_fmt_rd_csr_zimm, NULL, 0, 0, 0 },
1390     { "flw", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1391     { "fsw", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1392     { "fmadd.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1393     { "fmsub.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1394     { "fnmsub.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1395     { "fnmadd.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1396     { "fadd.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1397     { "fsub.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1398     { "fmul.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1399     { "fdiv.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1400     { "fsgnj.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_s, 0, 0, 0 },
1401     { "fsgnjn.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_s, 0, 0, 0 },
1402     { "fsgnjx.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_s, 0, 0, 0 },
1403     { "fmin.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1404     { "fmax.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1405     { "fsqrt.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1406     { "fle.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1407     { "flt.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1408     { "feq.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1409     { "fcvt.w.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1410     { "fcvt.wu.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1411     { "fcvt.s.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1412     { "fcvt.s.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1413     { "fmv.x.s", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1414     { "fclass.s", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1415     { "fmv.s.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1416     { "fcvt.l.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1417     { "fcvt.lu.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1418     { "fcvt.s.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1419     { "fcvt.s.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1420     { "fld", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1421     { "fsd", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1422     { "fmadd.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1423     { "fmsub.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1424     { "fnmsub.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1425     { "fnmadd.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1426     { "fadd.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1427     { "fsub.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1428     { "fmul.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1429     { "fdiv.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1430     { "fsgnj.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_d, 0, 0, 0 },
1431     { "fsgnjn.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_d, 0, 0, 0 },
1432     { "fsgnjx.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_d, 0, 0, 0 },
1433     { "fmin.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1434     { "fmax.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1435     { "fcvt.s.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1436     { "fcvt.d.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1437     { "fsqrt.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1438     { "fle.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1439     { "flt.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1440     { "feq.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1441     { "fcvt.w.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1442     { "fcvt.wu.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1443     { "fcvt.d.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1444     { "fcvt.d.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1445     { "fclass.d", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1446     { "fcvt.l.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1447     { "fcvt.lu.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1448     { "fmv.x.d", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1449     { "fcvt.d.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1450     { "fcvt.d.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1451     { "fmv.d.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1452     { "flq", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1453     { "fsq", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1454     { "fmadd.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1455     { "fmsub.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1456     { "fnmsub.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1457     { "fnmadd.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1458     { "fadd.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1459     { "fsub.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1460     { "fmul.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1461     { "fdiv.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1462     { "fsgnj.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_q, 0, 0, 0 },
1463     { "fsgnjn.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_q, 0, 0, 0 },
1464     { "fsgnjx.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_q, 0, 0, 0 },
1465     { "fmin.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1466     { "fmax.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1467     { "fcvt.s.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1468     { "fcvt.q.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1469     { "fcvt.d.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1470     { "fcvt.q.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1471     { "fsqrt.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1472     { "fle.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1473     { "flt.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1474     { "feq.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1475     { "fcvt.w.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1476     { "fcvt.wu.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1477     { "fcvt.q.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1478     { "fcvt.q.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1479     { "fclass.q", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1480     { "fcvt.l.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1481     { "fcvt.lu.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1482     { "fcvt.q.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1483     { "fcvt.q.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1484     { "fmv.x.q", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1485     { "fmv.q.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1486     { "c.addi4spn", rv_codec_ciw_4spn, rv_fmt_rd_rs1_imm, NULL, rv_op_addi,
1487       rv_op_addi, rv_op_addi, rvcd_imm_nz },
1488     { "c.fld", rv_codec_cl_ld, rv_fmt_frd_offset_rs1, NULL, rv_op_fld,
1489       rv_op_fld, 0 },
1490     { "c.lw", rv_codec_cl_lw, rv_fmt_rd_offset_rs1, NULL, rv_op_lw, rv_op_lw,
1491       rv_op_lw },
1492     { "c.flw", rv_codec_cl_lw, rv_fmt_frd_offset_rs1, NULL, rv_op_flw, 0, 0 },
1493     { "c.fsd", rv_codec_cs_sd, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd,
1494       rv_op_fsd, 0 },
1495     { "c.sw", rv_codec_cs_sw, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw, rv_op_sw,
1496       rv_op_sw },
1497     { "c.fsw", rv_codec_cs_sw, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsw, 0, 0 },
1498     { "c.nop", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_addi, rv_op_addi,
1499       rv_op_addi },
1500     { "c.addi", rv_codec_ci, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi,
1501       rv_op_addi, rvcd_imm_nz },
1502     { "c.jal", rv_codec_cj_jal, rv_fmt_rd_offset, NULL, rv_op_jal, 0, 0 },
1503     { "c.li", rv_codec_ci_li, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi,
1504       rv_op_addi },
1505     { "c.addi16sp", rv_codec_ci_16sp, rv_fmt_rd_rs1_imm, NULL, rv_op_addi,
1506       rv_op_addi, rv_op_addi, rvcd_imm_nz },
1507     { "c.lui", rv_codec_ci_lui, rv_fmt_rd_uimm, NULL, rv_op_lui, rv_op_lui,
1508       rv_op_lui, rvcd_imm_nz },
1509     { "c.srli", rv_codec_cb_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_srli,
1510       rv_op_srli, rv_op_srli, rvcd_imm_nz },
1511     { "c.srai", rv_codec_cb_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_srai,
1512       rv_op_srai, rv_op_srai, rvcd_imm_nz },
1513     { "c.andi", rv_codec_cb_imm, rv_fmt_rd_rs1_imm, NULL, rv_op_andi,
1514       rv_op_andi, rv_op_andi },
1515     { "c.sub", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_sub, rv_op_sub,
1516       rv_op_sub },
1517     { "c.xor", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_xor, rv_op_xor,
1518       rv_op_xor },
1519     { "c.or", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_or, rv_op_or,
1520       rv_op_or },
1521     { "c.and", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_and, rv_op_and,
1522       rv_op_and },
1523     { "c.subw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_subw, rv_op_subw,
1524       rv_op_subw },
1525     { "c.addw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_addw, rv_op_addw,
1526       rv_op_addw },
1527     { "c.j", rv_codec_cj, rv_fmt_rd_offset, NULL, rv_op_jal, rv_op_jal,
1528       rv_op_jal },
1529     { "c.beqz", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_beq, rv_op_beq,
1530       rv_op_beq },
1531     { "c.bnez", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_bne, rv_op_bne,
1532       rv_op_bne },
1533     { "c.slli", rv_codec_ci_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_slli,
1534       rv_op_slli, rv_op_slli, rvcd_imm_nz },
1535     { "c.fldsp", rv_codec_ci_ldsp, rv_fmt_frd_offset_rs1, NULL, rv_op_fld,
1536       rv_op_fld, rv_op_fld },
1537     { "c.lwsp", rv_codec_ci_lwsp, rv_fmt_rd_offset_rs1, NULL, rv_op_lw,
1538       rv_op_lw, rv_op_lw },
1539     { "c.flwsp", rv_codec_ci_lwsp, rv_fmt_frd_offset_rs1, NULL, rv_op_flw, 0,
1540       0 },
1541     { "c.jr", rv_codec_cr_jr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr,
1542       rv_op_jalr, rv_op_jalr },
1543     { "c.mv", rv_codec_cr_mv, rv_fmt_rd_rs1_rs2, NULL, rv_op_addi, rv_op_addi,
1544       rv_op_addi },
1545     { "c.ebreak", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_ebreak,
1546       rv_op_ebreak, rv_op_ebreak },
1547     { "c.jalr", rv_codec_cr_jalr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr,
1548       rv_op_jalr, rv_op_jalr },
1549     { "c.add", rv_codec_cr, rv_fmt_rd_rs1_rs2, NULL, rv_op_add, rv_op_add,
1550       rv_op_add },
1551     { "c.fsdsp", rv_codec_css_sdsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd,
1552       rv_op_fsd, rv_op_fsd },
1553     { "c.swsp", rv_codec_css_swsp, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw,
1554       rv_op_sw, rv_op_sw },
1555     { "c.fswsp", rv_codec_css_swsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsw, 0,
1556       0 },
1557     { "c.ld", rv_codec_cl_ld, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld,
1558       rv_op_ld },
1559     { "c.sd", rv_codec_cs_sd, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd,
1560       rv_op_sd },
1561     { "c.addiw", rv_codec_ci, rv_fmt_rd_rs1_imm, NULL, 0, rv_op_addiw,
1562       rv_op_addiw },
1563     { "c.ldsp", rv_codec_ci_ldsp, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld,
1564       rv_op_ld },
1565     { "c.sdsp", rv_codec_css_sdsp, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd,
1566       rv_op_sd },
1567     { "c.lq", rv_codec_cl_lq, rv_fmt_rd_offset_rs1, NULL, 0, 0, rv_op_lq },
1568     { "c.sq", rv_codec_cs_sq, rv_fmt_rs2_offset_rs1, NULL, 0, 0, rv_op_sq },
1569     { "c.lqsp", rv_codec_ci_lqsp, rv_fmt_rd_offset_rs1, NULL, 0, 0, rv_op_lq },
1570     { "c.sqsp", rv_codec_css_sqsp, rv_fmt_rs2_offset_rs1, NULL, 0, 0,
1571       rv_op_sq },
1572     { "nop", rv_codec_i, rv_fmt_none, NULL, 0, 0, 0 },
1573     { "mv", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1574     { "not", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1575     { "neg", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1576     { "negw", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1577     { "sext.w", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1578     { "seqz", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1579     { "snez", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1580     { "sltz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1581     { "sgtz", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1582     { "fmv.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1583     { "fabs.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1584     { "fneg.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1585     { "fmv.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1586     { "fabs.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1587     { "fneg.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1588     { "fmv.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1589     { "fabs.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1590     { "fneg.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1591     { "beqz", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1592     { "bnez", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1593     { "blez", rv_codec_sb, rv_fmt_rs2_offset, NULL, 0, 0, 0 },
1594     { "bgez", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1595     { "bltz", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1596     { "bgtz", rv_codec_sb, rv_fmt_rs2_offset, NULL, 0, 0, 0 },
1597     { "ble", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1598     { "bleu", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1599     { "bgt", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1600     { "bgtu", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1601     { "j", rv_codec_uj, rv_fmt_offset, NULL, 0, 0, 0 },
1602     { "ret", rv_codec_i, rv_fmt_none, NULL, 0, 0, 0 },
1603     { "jr", rv_codec_i, rv_fmt_rs1, NULL, 0, 0, 0 },
1604     { "rdcycle", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1605     { "rdtime", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1606     { "rdinstret", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1607     { "rdcycleh", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1608     { "rdtimeh", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1609     { "rdinstreth", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1610     { "frcsr", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1611     { "frrm", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1612     { "frflags", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1613     { "fscsr", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1614     { "fsrm", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1615     { "fsflags", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1616     { "fsrmi", rv_codec_i_csr, rv_fmt_rd_zimm, NULL, 0, 0, 0 },
1617     { "fsflagsi", rv_codec_i_csr, rv_fmt_rd_zimm, NULL, 0, 0, 0 },
1618     { "bseti", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1619     { "bclri", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1620     { "binvi", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1621     { "bexti", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1622     { "rori", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1623     { "clz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1624     { "ctz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1625     { "cpop", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1626     { "sext.h", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1627     { "sext.b", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1628     { "xnor", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1629     { "orn", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1630     { "andn", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1631     { "rol", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1632     { "ror", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1633     { "sh1add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1634     { "sh2add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1635     { "sh3add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1636     { "sh1add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1637     { "sh2add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1638     { "sh3add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1639     { "clmul", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1640     { "clmulr", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1641     { "clmulh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1642     { "min", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1643     { "minu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1644     { "max", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1645     { "maxu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1646     { "clzw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1647     { "ctzw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1648     { "cpopw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1649     { "slli.uw", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1650     { "add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1651     { "rolw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1652     { "rorw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1653     { "rev8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1654     { "zext.h", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1655     { "roriw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1656     { "orc.b", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1657     { "bset", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1658     { "bclr", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1659     { "binv", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1660     { "bext", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1661     { "aes32esmi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1662     { "aes32esi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1663     { "aes32dsmi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1664     { "aes32dsi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1665     { "aes64ks1i", rv_codec_k_rnum,  rv_fmt_rd_rs1_rnum, NULL, 0, 0, 0 },
1666     { "aes64ks2", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1667     { "aes64im", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1668     { "aes64esm", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1669     { "aes64es", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1670     { "aes64dsm", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1671     { "aes64ds", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1672     { "sha256sig0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1673     { "sha256sig1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1674     { "sha256sum0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1675     { "sha256sum1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1676     { "sha512sig0", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1677     { "sha512sig1", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1678     { "sha512sum0", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1679     { "sha512sum1", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1680     { "sha512sum0r", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1681     { "sha512sum1r", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1682     { "sha512sig0l", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1683     { "sha512sig0h", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1684     { "sha512sig1l", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1685     { "sha512sig1h", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1686     { "sm3p0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1687     { "sm3p1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1688     { "sm4ed", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1689     { "sm4ks", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1690     { "brev8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1691     { "pack", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1692     { "packh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1693     { "packw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1694     { "unzip", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1695     { "zip", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1696     { "xperm4", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1697     { "xperm8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1698     { "vle8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1699     { "vle16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1700     { "vle32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1701     { "vle64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1702     { "vse8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1703     { "vse16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1704     { "vse32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1705     { "vse64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1706     { "vlm.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1707     { "vsm.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1708     { "vlse8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1709     { "vlse16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1710     { "vlse32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1711     { "vlse64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1712     { "vsse8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1713     { "vsse16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1714     { "vsse32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1715     { "vsse64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1716     { "vluxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1717     { "vluxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1718     { "vluxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1719     { "vluxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1720     { "vloxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1721     { "vloxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1722     { "vloxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1723     { "vloxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1724     { "vsuxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1725     { "vsuxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1726     { "vsuxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1727     { "vsuxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1728     { "vsoxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1729     { "vsoxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1730     { "vsoxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1731     { "vsoxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1732     { "vle8ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1733     { "vle16ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1734     { "vle32ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1735     { "vle64ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1736     { "vl1re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1737     { "vl1re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1738     { "vl1re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1739     { "vl1re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1740     { "vl2re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1741     { "vl2re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1742     { "vl2re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1743     { "vl2re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1744     { "vl4re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1745     { "vl4re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1746     { "vl4re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1747     { "vl4re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1748     { "vl8re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1749     { "vl8re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1750     { "vl8re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1751     { "vl8re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1752     { "vs1r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1753     { "vs2r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1754     { "vs4r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1755     { "vs8r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1756     { "vadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1757     { "vadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1758     { "vadd.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1759     { "vsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1760     { "vsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1761     { "vrsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1762     { "vrsub.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1763     { "vwaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1764     { "vwaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1765     { "vwadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1766     { "vwadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1767     { "vwsubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1768     { "vwsubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1769     { "vwsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1770     { "vwsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1771     { "vwaddu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1772     { "vwaddu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1773     { "vwadd.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1774     { "vwadd.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1775     { "vwsubu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1776     { "vwsubu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1777     { "vwsub.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1778     { "vwsub.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1779     { "vadc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1780     { "vadc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1781     { "vadc.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, 0, 0, 0 },
1782     { "vmadc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1783     { "vmadc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1784     { "vmadc.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, 0, 0, 0 },
1785     { "vsbc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1786     { "vsbc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1787     { "vmsbc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1788     { "vmsbc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1789     { "vand.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1790     { "vand.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1791     { "vand.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1792     { "vor.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1793     { "vor.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1794     { "vor.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1795     { "vxor.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1796     { "vxor.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1797     { "vxor.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1798     { "vsll.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1799     { "vsll.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1800     { "vsll.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1801     { "vsrl.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1802     { "vsrl.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1803     { "vsrl.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1804     { "vsra.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1805     { "vsra.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1806     { "vsra.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1807     { "vnsrl.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1808     { "vnsrl.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1809     { "vnsrl.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1810     { "vnsra.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1811     { "vnsra.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1812     { "vnsra.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1813     { "vmseq.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1814     { "vmseq.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1815     { "vmseq.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1816     { "vmsne.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1817     { "vmsne.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1818     { "vmsne.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1819     { "vmsltu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1820     { "vmsltu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1821     { "vmslt.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1822     { "vmslt.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1823     { "vmsleu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1824     { "vmsleu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1825     { "vmsleu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1826     { "vmsle.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1827     { "vmsle.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1828     { "vmsle.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1829     { "vmsgtu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1830     { "vmsgtu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1831     { "vmsgt.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1832     { "vmsgt.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1833     { "vminu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1834     { "vminu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1835     { "vmin.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1836     { "vmin.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1837     { "vmaxu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1838     { "vmaxu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1839     { "vmax.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1840     { "vmax.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1841     { "vmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1842     { "vmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1843     { "vmulh.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1844     { "vmulh.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1845     { "vmulhu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1846     { "vmulhu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1847     { "vmulhsu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1848     { "vmulhsu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1849     { "vdivu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1850     { "vdivu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1851     { "vdiv.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1852     { "vdiv.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1853     { "vremu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1854     { "vremu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1855     { "vrem.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1856     { "vrem.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1857     { "vwmulu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1858     { "vwmulu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1859     { "vwmulsu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1860     { "vwmulsu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1861     { "vwmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1862     { "vwmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1863     { "vmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1864     { "vmacc.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1865     { "vnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1866     { "vnmsac.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1867     { "vmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1868     { "vmadd.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1869     { "vnmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1870     { "vnmsub.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1871     { "vwmaccu.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1872     { "vwmaccu.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1873     { "vwmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1874     { "vwmacc.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1875     { "vwmaccsu.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1876     { "vwmaccsu.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1877     { "vwmaccus.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1878     { "vmv.v.v", rv_codec_v_r, rv_fmt_vd_vs1, NULL, 0, 0, 0 },
1879     { "vmv.v.x", rv_codec_v_r, rv_fmt_vd_rs1, NULL, 0, 0, 0 },
1880     { "vmv.v.i", rv_codec_v_i, rv_fmt_vd_imm, NULL, 0, 0, 0 },
1881     { "vmerge.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1882     { "vmerge.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1883     { "vmerge.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, 0, 0, 0 },
1884     { "vsaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1885     { "vsaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1886     { "vsaddu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1887     { "vsadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1888     { "vsadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1889     { "vsadd.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1890     { "vssubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1891     { "vssubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1892     { "vssub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1893     { "vssub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1894     { "vaadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1895     { "vaadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1896     { "vaaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1897     { "vaaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1898     { "vasub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1899     { "vasub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1900     { "vasubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1901     { "vasubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1902     { "vsmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1903     { "vsmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1904     { "vssrl.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1905     { "vssrl.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1906     { "vssrl.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1907     { "vssra.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1908     { "vssra.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1909     { "vssra.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1910     { "vnclipu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1911     { "vnclipu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1912     { "vnclipu.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1913     { "vnclip.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1914     { "vnclip.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1915     { "vnclip.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1916     { "vfadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1917     { "vfadd.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1918     { "vfsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1919     { "vfsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1920     { "vfrsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1921     { "vfwadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1922     { "vfwadd.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1923     { "vfwadd.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1924     { "vfwadd.wf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1925     { "vfwsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1926     { "vfwsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1927     { "vfwsub.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1928     { "vfwsub.wf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1929     { "vfmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1930     { "vfmul.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1931     { "vfdiv.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1932     { "vfdiv.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1933     { "vfrdiv.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1934     { "vfwmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1935     { "vfwmul.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1936     { "vfmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1937     { "vfmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1938     { "vfnmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1939     { "vfnmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1940     { "vfmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1941     { "vfmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1942     { "vfnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1943     { "vfnmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1944     { "vfmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1945     { "vfmadd.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1946     { "vfnmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1947     { "vfnmadd.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1948     { "vfmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1949     { "vfmsub.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1950     { "vfnmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1951     { "vfnmsub.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1952     { "vfwmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1953     { "vfwmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1954     { "vfwnmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1955     { "vfwnmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1956     { "vfwmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1957     { "vfwmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1958     { "vfwnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1959     { "vfwnmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1960     { "vfsqrt.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1961     { "vfrsqrt7.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1962     { "vfrec7.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1963     { "vfmin.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1964     { "vfmin.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1965     { "vfmax.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1966     { "vfmax.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1967     { "vfsgnj.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1968     { "vfsgnj.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1969     { "vfsgnjn.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1970     { "vfsgnjn.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1971     { "vfsgnjx.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1972     { "vfsgnjx.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1973     { "vfslide1up.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1974     { "vfslide1down.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1975     { "vmfeq.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1976     { "vmfeq.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1977     { "vmfne.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1978     { "vmfne.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1979     { "vmflt.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1980     { "vmflt.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1981     { "vmfle.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1982     { "vmfle.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1983     { "vmfgt.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1984     { "vmfge.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1985     { "vfclass.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1986     { "vfmerge.vfm", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vl, NULL, 0, 0, 0 },
1987     { "vfmv.v.f", rv_codec_v_r, rv_fmt_vd_fs1, NULL, 0, 0, 0 },
1988     { "vfcvt.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1989     { "vfcvt.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1990     { "vfcvt.f.xu.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1991     { "vfcvt.f.x.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1992     { "vfcvt.rtz.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1993     { "vfcvt.rtz.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1994     { "vfwcvt.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1995     { "vfwcvt.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1996     { "vfwcvt.f.xu.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1997     { "vfwcvt.f.x.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1998     { "vfwcvt.f.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1999     { "vfwcvt.rtz.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2000     { "vfwcvt.rtz.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2001     { "vfncvt.xu.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2002     { "vfncvt.x.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2003     { "vfncvt.f.xu.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2004     { "vfncvt.f.x.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2005     { "vfncvt.f.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2006     { "vfncvt.rod.f.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2007     { "vfncvt.rtz.xu.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2008     { "vfncvt.rtz.x.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2009     { "vredsum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2010     { "vredand.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2011     { "vredor.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2012     { "vredxor.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2013     { "vredminu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2014     { "vredmin.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2015     { "vredmaxu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2016     { "vredmax.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2017     { "vwredsumu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2018     { "vwredsum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2019     { "vfredusum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2020     { "vfredosum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2021     { "vfredmin.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2022     { "vfredmax.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2023     { "vfwredusum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2024     { "vfwredosum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2025     { "vmand.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2026     { "vmnand.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2027     { "vmandn.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2028     { "vmxor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2029     { "vmor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2030     { "vmnor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2031     { "vmorn.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2032     { "vmxnor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2033     { "vcpop.m", rv_codec_v_r, rv_fmt_rd_vs2_vm, NULL, 0, 0, 0 },
2034     { "vfirst.m", rv_codec_v_r, rv_fmt_rd_vs2_vm, NULL, 0, 0, 0 },
2035     { "vmsbf.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2036     { "vmsif.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2037     { "vmsof.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2038     { "viota.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2039     { "vid.v", rv_codec_v_r, rv_fmt_vd_vm, NULL, 0, 0, 0 },
2040     { "vmv.x.s", rv_codec_v_r, rv_fmt_rd_vs2, NULL, 0, 0, 0 },
2041     { "vmv.s.x", rv_codec_v_r, rv_fmt_vd_rs1, NULL, 0, 0, 0 },
2042     { "vfmv.f.s", rv_codec_v_r, rv_fmt_fd_vs2, NULL, 0, 0, 0 },
2043     { "vfmv.s.f", rv_codec_v_r, rv_fmt_vd_fs1, NULL, 0, 0, 0 },
2044     { "vslideup.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2045     { "vslideup.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2046     { "vslide1up.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2047     { "vslidedown.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2048     { "vslidedown.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2049     { "vslide1down.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2050     { "vrgather.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2051     { "vrgatherei16.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2052     { "vrgather.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2053     { "vrgather.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2054     { "vcompress.vm", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2055     { "vmv1r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2056     { "vmv2r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2057     { "vmv4r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2058     { "vmv8r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2059     { "vzext.vf2", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2060     { "vzext.vf4", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2061     { "vzext.vf8", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2062     { "vsext.vf2", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2063     { "vsext.vf4", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2064     { "vsext.vf8", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2065     { "vsetvli", rv_codec_vsetvli, rv_fmt_vsetvli, NULL, 0, 0, 0 },
2066     { "vsetivli", rv_codec_vsetivli, rv_fmt_vsetivli, NULL, 0, 0, 0 },
2067     { "vsetvl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2068     { "c.zext.b", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2069     { "c.sext.b", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2070     { "c.zext.h", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2071     { "c.sext.h", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2072     { "c.zext.w", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2073     { "c.not", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2074     { "c.mul", rv_codec_zcb_mul, rv_fmt_rd_rs2, NULL, 0, 0 },
2075     { "c.lbu", rv_codec_zcb_lb, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2076     { "c.lhu", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2077     { "c.lh", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2078     { "c.sb", rv_codec_zcb_lb, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2079     { "c.sh", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2080     { "cm.push", rv_codec_zcmp_cm_pushpop, rv_fmt_push_rlist, NULL, 0, 0 },
2081     { "cm.pop", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0 },
2082     { "cm.popret", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0, 0 },
2083     { "cm.popretz", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0 },
2084     { "cm.mva01s", rv_codec_zcmp_cm_mv, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
2085     { "cm.mvsa01", rv_codec_zcmp_cm_mv, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
2086     { "cm.jt", rv_codec_zcmt_jt, rv_fmt_zcmt_index, NULL, 0 },
2087     { "cm.jalt", rv_codec_zcmt_jt, rv_fmt_zcmt_index, NULL, 0 },
2088     { "czero.eqz", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2089     { "czero.nez", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2090     { "fcvt.bf16.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2091     { "fcvt.s.bf16", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2092     { "vfncvtbf16.f.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2093     { "vfwcvtbf16.f.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2094     { "vfwmaccbf16.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
2095     { "vfwmaccbf16.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
2096     { "flh", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
2097     { "fsh", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
2098     { "fmv.h.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
2099     { "fmv.x.h", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
2100     { "fli.s", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2101     { "fli.d", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2102     { "fli.q", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2103     { "fli.h", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2104     { "fminm.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2105     { "fmaxm.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2106     { "fminm.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2107     { "fmaxm.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2108     { "fminm.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2109     { "fmaxm.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2110     { "fminm.h", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2111     { "fmaxm.h", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2112     { "fround.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2113     { "froundnx.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2114     { "fround.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2115     { "froundnx.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2116     { "fround.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2117     { "froundnx.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2118     { "fround.h", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2119     { "froundnx.h", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2120     { "fcvtmod.w.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
2121     { "fmvh.x.d", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
2122     { "fmvp.d.x", rv_codec_r, rv_fmt_frd_rs1_rs2, NULL, 0, 0, 0 },
2123     { "fmvh.x.q", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
2124     { "fmvp.q.x", rv_codec_r, rv_fmt_frd_rs1_rs2, NULL, 0, 0, 0 },
2125     { "fleq.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2126     { "fltq.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2127     { "fleq.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2128     { "fltq.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2129     { "fleq.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2130     { "fltq.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2131     { "fleq.h", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2132     { "fltq.h", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2133     { "vaesdf.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2134     { "vaesdf.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2135     { "vaesdm.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2136     { "vaesdm.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2137     { "vaesef.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2138     { "vaesef.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2139     { "vaesem.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2140     { "vaesem.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2141     { "vaeskf1.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2142     { "vaeskf2.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2143     { "vaesz.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2144     { "vandn.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2145     { "vandn.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2146     { "vbrev.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2147     { "vbrev8.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2148     { "vclmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2149     { "vclmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2150     { "vclmulh.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2151     { "vclmulh.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2152     { "vclz.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2153     { "vcpop.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2154     { "vctz.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2155     { "vghsh.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2156     { "vgmul.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2157     { "vrev8.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2158     { "vrol.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2159     { "vrol.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2160     { "vror.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2161     { "vror.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2162     { "vror.vi", rv_codec_vror_vi, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2163     { "vsha2ch.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2164     { "vsha2cl.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2165     { "vsha2ms.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2166     { "vsm3c.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2167     { "vsm3me.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2168     { "vsm4k.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2169     { "vsm4r.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2170     { "vsm4r.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2171     { "vwsll.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2172     { "vwsll.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2173     { "vwsll.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2174     { "amocas.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2175     { "amocas.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2176     { "amocas.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2177     { "mop.r.0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2178     { "mop.r.1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2179     { "mop.r.2", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2180     { "mop.r.3", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2181     { "mop.r.4", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2182     { "mop.r.5", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2183     { "mop.r.6", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2184     { "mop.r.7", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2185     { "mop.r.8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2186     { "mop.r.9", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2187     { "mop.r.10", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2188     { "mop.r.11", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2189     { "mop.r.12", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2190     { "mop.r.13", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2191     { "mop.r.14", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2192     { "mop.r.15", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2193     { "mop.r.16", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2194     { "mop.r.17", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2195     { "mop.r.18", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2196     { "mop.r.19", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2197     { "mop.r.20", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2198     { "mop.r.21", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2199     { "mop.r.22", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2200     { "mop.r.23", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2201     { "mop.r.24", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2202     { "mop.r.25", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2203     { "mop.r.26", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2204     { "mop.r.27", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2205     { "mop.r.28", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2206     { "mop.r.29", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2207     { "mop.r.30", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2208     { "mop.r.31", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2209     { "mop.rr.0", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2210     { "mop.rr.1", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2211     { "mop.rr.2", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2212     { "mop.rr.3", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2213     { "mop.rr.4", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2214     { "mop.rr.5", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2215     { "mop.rr.6", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2216     { "mop.rr.7", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2217     { "c.mop.1",  rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2218     { "c.mop.3",  rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2219     { "c.mop.5",  rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2220     { "c.mop.7",  rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2221     { "c.mop.9",  rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2222     { "c.mop.11", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2223     { "c.mop.13", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2224     { "c.mop.15", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2225     { "amoswap.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2226     { "amoadd.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2227     { "amoxor.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2228     { "amoor.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2229     { "amoand.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2230     { "amomin.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2231     { "amomax.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2232     { "amominu.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2233     { "amomaxu.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2234     { "amoswap.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2235     { "amoadd.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2236     { "amoxor.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2237     { "amoor.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2238     { "amoand.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2239     { "amomin.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2240     { "amomax.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2241     { "amominu.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2242     { "amomaxu.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2243     { "amocas.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2244     { "amocas.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2245     { "wrs.sto", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
2246     { "wrs.nto", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
2247     { "lpad", rv_codec_lp, rv_fmt_imm, NULL, 0, 0, 0 },
2248     { "sspush", rv_codec_r, rv_fmt_rs2, NULL, 0, 0, 0 },
2249     { "sspopchk", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 },
2250     { "ssrdp", rv_codec_r, rv_fmt_rd, NULL, 0, 0, 0 },
2251     { "ssamoswap.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2252     { "ssamoswap.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2253     { "c.sspush", rv_codec_cmop_ss, rv_fmt_rs2, NULL, rv_op_sspush,
2254       rv_op_sspush, 0 },
2255     { "c.sspopchk", rv_codec_cmop_ss, rv_fmt_rs1, NULL, rv_op_sspopchk,
2256       rv_op_sspopchk, 0 },
2257 };
2258 
2259 /* CSR names */
2260 
2261 static const char *csr_name(int csrno)
2262 {
2263     switch (csrno) {
2264     case 0x0000: return "ustatus";
2265     case 0x0001: return "fflags";
2266     case 0x0002: return "frm";
2267     case 0x0003: return "fcsr";
2268     case 0x0004: return "uie";
2269     case 0x0005: return "utvec";
2270     case 0x0008: return "vstart";
2271     case 0x0009: return "vxsat";
2272     case 0x000a: return "vxrm";
2273     case 0x000f: return "vcsr";
2274     case 0x0011: return "ssp";
2275     case 0x0015: return "seed";
2276     case 0x0017: return "jvt";
2277     case 0x0040: return "uscratch";
2278     case 0x0041: return "uepc";
2279     case 0x0042: return "ucause";
2280     case 0x0043: return "utval";
2281     case 0x0044: return "uip";
2282     case 0x0100: return "sstatus";
2283     case 0x0104: return "sie";
2284     case 0x0105: return "stvec";
2285     case 0x0106: return "scounteren";
2286     case 0x0140: return "sscratch";
2287     case 0x0141: return "sepc";
2288     case 0x0142: return "scause";
2289     case 0x0143: return "stval";
2290     case 0x0144: return "sip";
2291     case 0x0180: return "satp";
2292     case 0x0200: return "hstatus";
2293     case 0x0202: return "hedeleg";
2294     case 0x0203: return "hideleg";
2295     case 0x0204: return "hie";
2296     case 0x0205: return "htvec";
2297     case 0x0240: return "hscratch";
2298     case 0x0241: return "hepc";
2299     case 0x0242: return "hcause";
2300     case 0x0243: return "hbadaddr";
2301     case 0x0244: return "hip";
2302     case 0x0300: return "mstatus";
2303     case 0x0301: return "misa";
2304     case 0x0302: return "medeleg";
2305     case 0x0303: return "mideleg";
2306     case 0x0304: return "mie";
2307     case 0x0305: return "mtvec";
2308     case 0x0306: return "mcounteren";
2309     case 0x0320: return "mucounteren";
2310     case 0x0321: return "mscounteren";
2311     case 0x0322: return "mhcounteren";
2312     case 0x0323: return "mhpmevent3";
2313     case 0x0324: return "mhpmevent4";
2314     case 0x0325: return "mhpmevent5";
2315     case 0x0326: return "mhpmevent6";
2316     case 0x0327: return "mhpmevent7";
2317     case 0x0328: return "mhpmevent8";
2318     case 0x0329: return "mhpmevent9";
2319     case 0x032a: return "mhpmevent10";
2320     case 0x032b: return "mhpmevent11";
2321     case 0x032c: return "mhpmevent12";
2322     case 0x032d: return "mhpmevent13";
2323     case 0x032e: return "mhpmevent14";
2324     case 0x032f: return "mhpmevent15";
2325     case 0x0330: return "mhpmevent16";
2326     case 0x0331: return "mhpmevent17";
2327     case 0x0332: return "mhpmevent18";
2328     case 0x0333: return "mhpmevent19";
2329     case 0x0334: return "mhpmevent20";
2330     case 0x0335: return "mhpmevent21";
2331     case 0x0336: return "mhpmevent22";
2332     case 0x0337: return "mhpmevent23";
2333     case 0x0338: return "mhpmevent24";
2334     case 0x0339: return "mhpmevent25";
2335     case 0x033a: return "mhpmevent26";
2336     case 0x033b: return "mhpmevent27";
2337     case 0x033c: return "mhpmevent28";
2338     case 0x033d: return "mhpmevent29";
2339     case 0x033e: return "mhpmevent30";
2340     case 0x033f: return "mhpmevent31";
2341     case 0x0340: return "mscratch";
2342     case 0x0341: return "mepc";
2343     case 0x0342: return "mcause";
2344     case 0x0343: return "mtval";
2345     case 0x0344: return "mip";
2346     case 0x0380: return "mbase";
2347     case 0x0381: return "mbound";
2348     case 0x0382: return "mibase";
2349     case 0x0383: return "mibound";
2350     case 0x0384: return "mdbase";
2351     case 0x0385: return "mdbound";
2352     case 0x03a0: return "pmpcfg0";
2353     case 0x03a1: return "pmpcfg1";
2354     case 0x03a2: return "pmpcfg2";
2355     case 0x03a3: return "pmpcfg3";
2356     case 0x03a4: return "pmpcfg4";
2357     case 0x03a5: return "pmpcfg5";
2358     case 0x03a6: return "pmpcfg6";
2359     case 0x03a7: return "pmpcfg7";
2360     case 0x03a8: return "pmpcfg8";
2361     case 0x03a9: return "pmpcfg9";
2362     case 0x03aa: return "pmpcfg10";
2363     case 0x03ab: return "pmpcfg11";
2364     case 0x03ac: return "pmpcfg12";
2365     case 0x03ad: return "pmpcfg13";
2366     case 0x03ae: return "pmpcfg14";
2367     case 0x03af: return "pmpcfg15";
2368     case 0x03b0: return "pmpaddr0";
2369     case 0x03b1: return "pmpaddr1";
2370     case 0x03b2: return "pmpaddr2";
2371     case 0x03b3: return "pmpaddr3";
2372     case 0x03b4: return "pmpaddr4";
2373     case 0x03b5: return "pmpaddr5";
2374     case 0x03b6: return "pmpaddr6";
2375     case 0x03b7: return "pmpaddr7";
2376     case 0x03b8: return "pmpaddr8";
2377     case 0x03b9: return "pmpaddr9";
2378     case 0x03ba: return "pmpaddr10";
2379     case 0x03bb: return "pmpaddr11";
2380     case 0x03bc: return "pmpaddr12";
2381     case 0x03bd: return "pmpaddr13";
2382     case 0x03be: return "pmpaddr14";
2383     case 0x03bf: return "pmpaddr15";
2384     case 0x03c0: return "pmpaddr16";
2385     case 0x03c1: return "pmpaddr17";
2386     case 0x03c2: return "pmpaddr18";
2387     case 0x03c3: return "pmpaddr19";
2388     case 0x03c4: return "pmpaddr20";
2389     case 0x03c5: return "pmpaddr21";
2390     case 0x03c6: return "pmpaddr22";
2391     case 0x03c7: return "pmpaddr23";
2392     case 0x03c8: return "pmpaddr24";
2393     case 0x03c9: return "pmpaddr25";
2394     case 0x03ca: return "pmpaddr26";
2395     case 0x03cb: return "pmpaddr27";
2396     case 0x03cc: return "pmpaddr28";
2397     case 0x03cd: return "pmpaddr29";
2398     case 0x03ce: return "pmpaddr30";
2399     case 0x03cf: return "pmpaddr31";
2400     case 0x03d0: return "pmpaddr32";
2401     case 0x03d1: return "pmpaddr33";
2402     case 0x03d2: return "pmpaddr34";
2403     case 0x03d3: return "pmpaddr35";
2404     case 0x03d4: return "pmpaddr36";
2405     case 0x03d5: return "pmpaddr37";
2406     case 0x03d6: return "pmpaddr38";
2407     case 0x03d7: return "pmpaddr39";
2408     case 0x03d8: return "pmpaddr40";
2409     case 0x03d9: return "pmpaddr41";
2410     case 0x03da: return "pmpaddr42";
2411     case 0x03db: return "pmpaddr43";
2412     case 0x03dc: return "pmpaddr44";
2413     case 0x03dd: return "pmpaddr45";
2414     case 0x03de: return "pmpaddr46";
2415     case 0x03df: return "pmpaddr47";
2416     case 0x03e0: return "pmpaddr48";
2417     case 0x03e1: return "pmpaddr49";
2418     case 0x03e2: return "pmpaddr50";
2419     case 0x03e3: return "pmpaddr51";
2420     case 0x03e4: return "pmpaddr52";
2421     case 0x03e5: return "pmpaddr53";
2422     case 0x03e6: return "pmpaddr54";
2423     case 0x03e7: return "pmpaddr55";
2424     case 0x03e8: return "pmpaddr56";
2425     case 0x03e9: return "pmpaddr57";
2426     case 0x03ea: return "pmpaddr58";
2427     case 0x03eb: return "pmpaddr59";
2428     case 0x03ec: return "pmpaddr60";
2429     case 0x03ed: return "pmpaddr61";
2430     case 0x03ee: return "pmpaddr62";
2431     case 0x03ef: return "pmpaddr63";
2432     case 0x0780: return "mtohost";
2433     case 0x0781: return "mfromhost";
2434     case 0x0782: return "mreset";
2435     case 0x0783: return "mipi";
2436     case 0x0784: return "miobase";
2437     case 0x07a0: return "tselect";
2438     case 0x07a1: return "tdata1";
2439     case 0x07a2: return "tdata2";
2440     case 0x07a3: return "tdata3";
2441     case 0x07b0: return "dcsr";
2442     case 0x07b1: return "dpc";
2443     case 0x07b2: return "dscratch";
2444     case 0x0b00: return "mcycle";
2445     case 0x0b01: return "mtime";
2446     case 0x0b02: return "minstret";
2447     case 0x0b03: return "mhpmcounter3";
2448     case 0x0b04: return "mhpmcounter4";
2449     case 0x0b05: return "mhpmcounter5";
2450     case 0x0b06: return "mhpmcounter6";
2451     case 0x0b07: return "mhpmcounter7";
2452     case 0x0b08: return "mhpmcounter8";
2453     case 0x0b09: return "mhpmcounter9";
2454     case 0x0b0a: return "mhpmcounter10";
2455     case 0x0b0b: return "mhpmcounter11";
2456     case 0x0b0c: return "mhpmcounter12";
2457     case 0x0b0d: return "mhpmcounter13";
2458     case 0x0b0e: return "mhpmcounter14";
2459     case 0x0b0f: return "mhpmcounter15";
2460     case 0x0b10: return "mhpmcounter16";
2461     case 0x0b11: return "mhpmcounter17";
2462     case 0x0b12: return "mhpmcounter18";
2463     case 0x0b13: return "mhpmcounter19";
2464     case 0x0b14: return "mhpmcounter20";
2465     case 0x0b15: return "mhpmcounter21";
2466     case 0x0b16: return "mhpmcounter22";
2467     case 0x0b17: return "mhpmcounter23";
2468     case 0x0b18: return "mhpmcounter24";
2469     case 0x0b19: return "mhpmcounter25";
2470     case 0x0b1a: return "mhpmcounter26";
2471     case 0x0b1b: return "mhpmcounter27";
2472     case 0x0b1c: return "mhpmcounter28";
2473     case 0x0b1d: return "mhpmcounter29";
2474     case 0x0b1e: return "mhpmcounter30";
2475     case 0x0b1f: return "mhpmcounter31";
2476     case 0x0b80: return "mcycleh";
2477     case 0x0b81: return "mtimeh";
2478     case 0x0b82: return "minstreth";
2479     case 0x0b83: return "mhpmcounter3h";
2480     case 0x0b84: return "mhpmcounter4h";
2481     case 0x0b85: return "mhpmcounter5h";
2482     case 0x0b86: return "mhpmcounter6h";
2483     case 0x0b87: return "mhpmcounter7h";
2484     case 0x0b88: return "mhpmcounter8h";
2485     case 0x0b89: return "mhpmcounter9h";
2486     case 0x0b8a: return "mhpmcounter10h";
2487     case 0x0b8b: return "mhpmcounter11h";
2488     case 0x0b8c: return "mhpmcounter12h";
2489     case 0x0b8d: return "mhpmcounter13h";
2490     case 0x0b8e: return "mhpmcounter14h";
2491     case 0x0b8f: return "mhpmcounter15h";
2492     case 0x0b90: return "mhpmcounter16h";
2493     case 0x0b91: return "mhpmcounter17h";
2494     case 0x0b92: return "mhpmcounter18h";
2495     case 0x0b93: return "mhpmcounter19h";
2496     case 0x0b94: return "mhpmcounter20h";
2497     case 0x0b95: return "mhpmcounter21h";
2498     case 0x0b96: return "mhpmcounter22h";
2499     case 0x0b97: return "mhpmcounter23h";
2500     case 0x0b98: return "mhpmcounter24h";
2501     case 0x0b99: return "mhpmcounter25h";
2502     case 0x0b9a: return "mhpmcounter26h";
2503     case 0x0b9b: return "mhpmcounter27h";
2504     case 0x0b9c: return "mhpmcounter28h";
2505     case 0x0b9d: return "mhpmcounter29h";
2506     case 0x0b9e: return "mhpmcounter30h";
2507     case 0x0b9f: return "mhpmcounter31h";
2508     case 0x0c00: return "cycle";
2509     case 0x0c01: return "time";
2510     case 0x0c02: return "instret";
2511     case 0x0c20: return "vl";
2512     case 0x0c21: return "vtype";
2513     case 0x0c22: return "vlenb";
2514     case 0x0c80: return "cycleh";
2515     case 0x0c81: return "timeh";
2516     case 0x0c82: return "instreth";
2517     case 0x0d00: return "scycle";
2518     case 0x0d01: return "stime";
2519     case 0x0d02: return "sinstret";
2520     case 0x0d80: return "scycleh";
2521     case 0x0d81: return "stimeh";
2522     case 0x0d82: return "sinstreth";
2523     case 0x0e00: return "hcycle";
2524     case 0x0e01: return "htime";
2525     case 0x0e02: return "hinstret";
2526     case 0x0e80: return "hcycleh";
2527     case 0x0e81: return "htimeh";
2528     case 0x0e82: return "hinstreth";
2529     case 0x0f11: return "mvendorid";
2530     case 0x0f12: return "marchid";
2531     case 0x0f13: return "mimpid";
2532     case 0x0f14: return "mhartid";
2533     default: return NULL;
2534     }
2535 }
2536 
2537 /* decode opcode */
2538 
2539 static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
2540 {
2541     rv_inst inst = dec->inst;
2542     rv_opcode op = rv_op_illegal;
2543     switch ((inst >> 0) & 0b11) {
2544     case 0:
2545         switch ((inst >> 13) & 0b111) {
2546         case 0: op = rv_op_c_addi4spn; break;
2547         case 1:
2548             if (isa == rv128) {
2549                 op = rv_op_c_lq;
2550             } else {
2551                 op = rv_op_c_fld;
2552             }
2553             break;
2554         case 2: op = rv_op_c_lw; break;
2555         case 3:
2556             if (isa == rv32) {
2557                 op = rv_op_c_flw;
2558             } else {
2559                 op = rv_op_c_ld;
2560             }
2561             break;
2562         case 4:
2563             switch ((inst >> 10) & 0b111) {
2564             case 0: op = rv_op_c_lbu; break;
2565             case 1:
2566                 if (((inst >> 6) & 1) == 0) {
2567                     op = rv_op_c_lhu;
2568                 } else {
2569                     op = rv_op_c_lh;
2570                 }
2571                 break;
2572             case 2: op = rv_op_c_sb; break;
2573             case 3:
2574                 if (((inst >> 6) & 1) == 0) {
2575                     op = rv_op_c_sh;
2576                 }
2577                 break;
2578             }
2579             break;
2580         case 5:
2581             if (isa == rv128) {
2582                 op = rv_op_c_sq;
2583             } else {
2584                 op = rv_op_c_fsd;
2585             }
2586             break;
2587         case 6: op = rv_op_c_sw; break;
2588         case 7:
2589             if (isa == rv32) {
2590                 op = rv_op_c_fsw;
2591             } else {
2592                 op = rv_op_c_sd;
2593             }
2594             break;
2595         }
2596         break;
2597     case 1:
2598         switch ((inst >> 13) & 0b111) {
2599         case 0:
2600             switch ((inst >> 2) & 0b11111111111) {
2601             case 0: op = rv_op_c_nop; break;
2602             default: op = rv_op_c_addi; break;
2603             }
2604             break;
2605         case 1:
2606             if (isa == rv32) {
2607                 op = rv_op_c_jal;
2608             } else {
2609                 op = rv_op_c_addiw;
2610             }
2611             break;
2612         case 2: op = rv_op_c_li; break;
2613         case 3:
2614             if (dec->cfg->ext_zcmop) {
2615                 if ((((inst >> 2) & 0b111111) == 0b100000) &&
2616                     (((inst >> 11) & 0b11) == 0b0)) {
2617                     unsigned int cmop_code = 0;
2618                     cmop_code = ((inst >> 8) & 0b111);
2619                     op = rv_c_mop_1 + cmop_code;
2620                     if (dec->cfg->ext_zicfiss) {
2621                         op = (cmop_code == 0) ? rv_op_c_sspush : op;
2622                         op = (cmop_code == 2) ? rv_op_c_sspopchk : op;
2623                     }
2624                     break;
2625                 }
2626             }
2627             switch ((inst >> 7) & 0b11111) {
2628             case 2: op = rv_op_c_addi16sp; break;
2629             default: op = rv_op_c_lui; break;
2630             }
2631             break;
2632         case 4:
2633             switch ((inst >> 10) & 0b11) {
2634             case 0:
2635                 op = rv_op_c_srli;
2636                 break;
2637             case 1:
2638                 op = rv_op_c_srai;
2639                 break;
2640             case 2: op = rv_op_c_andi; break;
2641             case 3:
2642                 switch (((inst >> 10) & 0b100) | ((inst >> 5) & 0b011)) {
2643                 case 0: op = rv_op_c_sub; break;
2644                 case 1: op = rv_op_c_xor; break;
2645                 case 2: op = rv_op_c_or; break;
2646                 case 3: op = rv_op_c_and; break;
2647                 case 4: op = rv_op_c_subw; break;
2648                 case 5: op = rv_op_c_addw; break;
2649                 case 6: op = rv_op_c_mul; break;
2650                 case 7:
2651                     switch ((inst >> 2) & 0b111) {
2652                     case 0: op = rv_op_c_zext_b; break;
2653                     case 1: op = rv_op_c_sext_b; break;
2654                     case 2: op = rv_op_c_zext_h; break;
2655                     case 3: op = rv_op_c_sext_h; break;
2656                     case 4: op = rv_op_c_zext_w; break;
2657                     case 5: op = rv_op_c_not; break;
2658                     }
2659                     break;
2660                 }
2661                 break;
2662             }
2663             break;
2664         case 5: op = rv_op_c_j; break;
2665         case 6: op = rv_op_c_beqz; break;
2666         case 7: op = rv_op_c_bnez; break;
2667         }
2668         break;
2669     case 2:
2670         switch ((inst >> 13) & 0b111) {
2671         case 0:
2672             op = rv_op_c_slli;
2673             break;
2674         case 1:
2675             if (isa == rv128) {
2676                 op = rv_op_c_lqsp;
2677             } else {
2678                 op = rv_op_c_fldsp;
2679             }
2680             break;
2681         case 2: op = rv_op_c_lwsp; break;
2682         case 3:
2683             if (isa == rv32) {
2684                 op = rv_op_c_flwsp;
2685             } else {
2686                 op = rv_op_c_ldsp;
2687             }
2688             break;
2689         case 4:
2690             switch ((inst >> 12) & 0b1) {
2691             case 0:
2692                 switch ((inst >> 2) & 0b11111) {
2693                 case 0: op = rv_op_c_jr; break;
2694                 default: op = rv_op_c_mv; break;
2695                 }
2696                 break;
2697             case 1:
2698                 switch ((inst >> 2) & 0b11111) {
2699                 case 0:
2700                     switch ((inst >> 7) & 0b11111) {
2701                     case 0: op = rv_op_c_ebreak; break;
2702                     default: op = rv_op_c_jalr; break;
2703                     }
2704                     break;
2705                 default: op = rv_op_c_add; break;
2706                 }
2707                 break;
2708             }
2709             break;
2710         case 5:
2711             if (isa == rv128) {
2712                 op = rv_op_c_sqsp;
2713             } else {
2714                 op = rv_op_c_fsdsp;
2715                 if (dec->cfg->ext_zcmp && ((inst >> 12) & 0b01)) {
2716                     switch ((inst >> 8) & 0b01111) {
2717                     case 8:
2718                         if (((inst >> 4) & 0b01111) >= 4) {
2719                             op = rv_op_cm_push;
2720                         }
2721                         break;
2722                     case 10:
2723                         if (((inst >> 4) & 0b01111) >= 4) {
2724                             op = rv_op_cm_pop;
2725                         }
2726                         break;
2727                     case 12:
2728                         if (((inst >> 4) & 0b01111) >= 4) {
2729                             op = rv_op_cm_popretz;
2730                         }
2731                         break;
2732                     case 14:
2733                         if (((inst >> 4) & 0b01111) >= 4) {
2734                             op = rv_op_cm_popret;
2735                         }
2736                         break;
2737                     }
2738                 } else {
2739                     switch ((inst >> 10) & 0b011) {
2740                     case 0:
2741                         if (!dec->cfg->ext_zcmt) {
2742                             break;
2743                         }
2744                         if (((inst >> 2) & 0xFF) >= 32) {
2745                             op = rv_op_cm_jalt;
2746                         } else {
2747                             op = rv_op_cm_jt;
2748                         }
2749                         break;
2750                     case 3:
2751                         if (!dec->cfg->ext_zcmp) {
2752                             break;
2753                         }
2754                         switch ((inst >> 5) & 0b011) {
2755                         case 1: op = rv_op_cm_mvsa01; break;
2756                         case 3: op = rv_op_cm_mva01s; break;
2757                         }
2758                         break;
2759                     }
2760                 }
2761             }
2762             break;
2763         case 6: op = rv_op_c_swsp; break;
2764         case 7:
2765             if (isa == rv32) {
2766                 op = rv_op_c_fswsp;
2767             } else {
2768                 op = rv_op_c_sdsp;
2769             }
2770             break;
2771         }
2772         break;
2773     case 3:
2774         switch ((inst >> 2) & 0b11111) {
2775         case 0:
2776             switch ((inst >> 12) & 0b111) {
2777             case 0: op = rv_op_lb; break;
2778             case 1: op = rv_op_lh; break;
2779             case 2: op = rv_op_lw; break;
2780             case 3: op = rv_op_ld; break;
2781             case 4: op = rv_op_lbu; break;
2782             case 5: op = rv_op_lhu; break;
2783             case 6: op = rv_op_lwu; break;
2784             case 7: op = rv_op_ldu; break;
2785             }
2786             break;
2787         case 1:
2788             switch ((inst >> 12) & 0b111) {
2789             case 0:
2790                 switch ((inst >> 20) & 0b111111111111) {
2791                 case 40: op = rv_op_vl1re8_v; break;
2792                 case 552: op = rv_op_vl2re8_v; break;
2793                 case 1576: op = rv_op_vl4re8_v; break;
2794                 case 3624: op = rv_op_vl8re8_v; break;
2795                 }
2796                 switch ((inst >> 26) & 0b111) {
2797                 case 0:
2798                     switch ((inst >> 20) & 0b11111) {
2799                     case 0: op = rv_op_vle8_v; break;
2800                     case 11: op = rv_op_vlm_v; break;
2801                     case 16: op = rv_op_vle8ff_v; break;
2802                     }
2803                     break;
2804                 case 1: op = rv_op_vluxei8_v; break;
2805                 case 2: op = rv_op_vlse8_v; break;
2806                 case 3: op = rv_op_vloxei8_v; break;
2807                 }
2808                 break;
2809             case 1: op = rv_op_flh; break;
2810             case 2: op = rv_op_flw; break;
2811             case 3: op = rv_op_fld; break;
2812             case 4: op = rv_op_flq; break;
2813             case 5:
2814                 switch ((inst >> 20) & 0b111111111111) {
2815                 case 40: op = rv_op_vl1re16_v; break;
2816                 case 552: op = rv_op_vl2re16_v; break;
2817                 case 1576: op = rv_op_vl4re16_v; break;
2818                 case 3624: op = rv_op_vl8re16_v; break;
2819                 }
2820                 switch ((inst >> 26) & 0b111) {
2821                 case 0:
2822                     switch ((inst >> 20) & 0b11111) {
2823                     case 0: op = rv_op_vle16_v; break;
2824                     case 16: op = rv_op_vle16ff_v; break;
2825                     }
2826                     break;
2827                 case 1: op = rv_op_vluxei16_v; break;
2828                 case 2: op = rv_op_vlse16_v; break;
2829                 case 3: op = rv_op_vloxei16_v; break;
2830                 }
2831                 break;
2832             case 6:
2833                 switch ((inst >> 20) & 0b111111111111) {
2834                 case 40: op = rv_op_vl1re32_v; break;
2835                 case 552: op = rv_op_vl2re32_v; break;
2836                 case 1576: op = rv_op_vl4re32_v; break;
2837                 case 3624: op = rv_op_vl8re32_v; break;
2838                 }
2839                 switch ((inst >> 26) & 0b111) {
2840                 case 0:
2841                     switch ((inst >> 20) & 0b11111) {
2842                     case 0: op = rv_op_vle32_v; break;
2843                     case 16: op = rv_op_vle32ff_v; break;
2844                     }
2845                     break;
2846                 case 1: op = rv_op_vluxei32_v; break;
2847                 case 2: op = rv_op_vlse32_v; break;
2848                 case 3: op = rv_op_vloxei32_v; break;
2849                 }
2850                 break;
2851             case 7:
2852                 switch ((inst >> 20) & 0b111111111111) {
2853                 case 40: op = rv_op_vl1re64_v; break;
2854                 case 552: op = rv_op_vl2re64_v; break;
2855                 case 1576: op = rv_op_vl4re64_v; break;
2856                 case 3624: op = rv_op_vl8re64_v; break;
2857                 }
2858                 switch ((inst >> 26) & 0b111) {
2859                 case 0:
2860                     switch ((inst >> 20) & 0b11111) {
2861                     case 0: op = rv_op_vle64_v; break;
2862                     case 16: op = rv_op_vle64ff_v; break;
2863                     }
2864                     break;
2865                 case 1: op = rv_op_vluxei64_v; break;
2866                 case 2: op = rv_op_vlse64_v; break;
2867                 case 3: op = rv_op_vloxei64_v; break;
2868                 }
2869                 break;
2870             }
2871             break;
2872         case 3:
2873             switch ((inst >> 12) & 0b111) {
2874             case 0: op = rv_op_fence; break;
2875             case 1: op = rv_op_fence_i; break;
2876             case 2: op = rv_op_lq; break;
2877             }
2878             break;
2879         case 4:
2880             switch ((inst >> 12) & 0b111) {
2881             case 0: op = rv_op_addi; break;
2882             case 1:
2883                 switch ((inst >> 27) & 0b11111) {
2884                 case 0b00000: op = rv_op_slli; break;
2885                 case 0b00001:
2886                     switch ((inst >> 20) & 0b1111111) {
2887                     case 0b0001111: op = rv_op_zip; break;
2888                     }
2889                     break;
2890                 case 0b00010:
2891                     switch ((inst >> 20) & 0b1111111) {
2892                     case 0b0000000: op = rv_op_sha256sum0; break;
2893                     case 0b0000001: op = rv_op_sha256sum1; break;
2894                     case 0b0000010: op = rv_op_sha256sig0; break;
2895                     case 0b0000011: op = rv_op_sha256sig1; break;
2896                     case 0b0000100: op = rv_op_sha512sum0; break;
2897                     case 0b0000101: op = rv_op_sha512sum1; break;
2898                     case 0b0000110: op = rv_op_sha512sig0; break;
2899                     case 0b0000111: op = rv_op_sha512sig1; break;
2900                     case 0b0001000: op = rv_op_sm3p0; break;
2901                     case 0b0001001: op = rv_op_sm3p1; break;
2902                     }
2903                     break;
2904                 case 0b00101: op = rv_op_bseti; break;
2905                 case 0b00110:
2906                     switch ((inst >> 20) & 0b1111111) {
2907                     case 0b0000000: op = rv_op_aes64im; break;
2908                     default:
2909                         if (((inst >> 24) & 0b0111) == 0b001) {
2910                             op = rv_op_aes64ks1i;
2911                         }
2912                         break;
2913                      }
2914                      break;
2915                 case 0b01001: op = rv_op_bclri; break;
2916                 case 0b01101: op = rv_op_binvi; break;
2917                 case 0b01100:
2918                     switch ((inst >> 20) & 0b1111111) {
2919                     case 0b0000000: op = rv_op_clz; break;
2920                     case 0b0000001: op = rv_op_ctz; break;
2921                     case 0b0000010: op = rv_op_cpop; break;
2922                       /* 0b0000011 */
2923                     case 0b0000100: op = rv_op_sext_b; break;
2924                     case 0b0000101: op = rv_op_sext_h; break;
2925                     }
2926                     break;
2927                 }
2928                 break;
2929             case 2: op = rv_op_slti; break;
2930             case 3: op = rv_op_sltiu; break;
2931             case 4: op = rv_op_xori; break;
2932             case 5:
2933                 switch ((inst >> 27) & 0b11111) {
2934                 case 0b00000: op = rv_op_srli; break;
2935                 case 0b00001:
2936                     switch ((inst >> 20) & 0b1111111) {
2937                     case 0b0001111: op = rv_op_unzip; break;
2938                     }
2939                     break;
2940                 case 0b00101: op = rv_op_orc_b; break;
2941                 case 0b01000: op = rv_op_srai; break;
2942                 case 0b01001: op = rv_op_bexti; break;
2943                 case 0b01100: op = rv_op_rori; break;
2944                 case 0b01101:
2945                     switch ((inst >> 20) & 0b1111111) {
2946                     case 0b0011000: op = rv_op_rev8; break;
2947                     case 0b0111000: op = rv_op_rev8; break;
2948                     case 0b0000111: op = rv_op_brev8; break;
2949                     }
2950                     break;
2951                 }
2952                 break;
2953             case 6: op = rv_op_ori; break;
2954             case 7: op = rv_op_andi; break;
2955             }
2956             break;
2957         case 5:
2958             op = rv_op_auipc;
2959             if (dec->cfg->ext_zicfilp &&
2960                 (((inst >> 7) & 0b11111) == 0b00000)) {
2961                 op = rv_op_lpad;
2962             }
2963             break;
2964         case 6:
2965             switch ((inst >> 12) & 0b111) {
2966             case 0: op = rv_op_addiw; break;
2967             case 1:
2968                 switch ((inst >> 26) & 0b111111) {
2969                 case 0: op = rv_op_slliw; break;
2970                 case 2: op = rv_op_slli_uw; break;
2971                 case 24:
2972                     switch ((inst >> 20) & 0b11111) {
2973                     case 0b00000: op = rv_op_clzw; break;
2974                     case 0b00001: op = rv_op_ctzw; break;
2975                     case 0b00010: op = rv_op_cpopw; break;
2976                     }
2977                     break;
2978                 }
2979                 break;
2980             case 5:
2981                 switch ((inst >> 25) & 0b1111111) {
2982                 case 0: op = rv_op_srliw; break;
2983                 case 32: op = rv_op_sraiw; break;
2984                 case 48: op = rv_op_roriw; break;
2985                 }
2986                 break;
2987             }
2988             break;
2989         case 8:
2990             switch ((inst >> 12) & 0b111) {
2991             case 0: op = rv_op_sb; break;
2992             case 1: op = rv_op_sh; break;
2993             case 2: op = rv_op_sw; break;
2994             case 3: op = rv_op_sd; break;
2995             case 4: op = rv_op_sq; break;
2996             }
2997             break;
2998         case 9:
2999             switch ((inst >> 12) & 0b111) {
3000             case 0:
3001                 switch ((inst >> 20) & 0b111111111111) {
3002                 case 40: op = rv_op_vs1r_v; break;
3003                 case 552: op = rv_op_vs2r_v; break;
3004                 case 1576: op = rv_op_vs4r_v; break;
3005                 case 3624: op = rv_op_vs8r_v; break;
3006                 }
3007                 switch ((inst >> 26) & 0b111) {
3008                 case 0:
3009                     switch ((inst >> 20) & 0b11111) {
3010                     case 0: op = rv_op_vse8_v; break;
3011                     case 11: op = rv_op_vsm_v; break;
3012                     }
3013                     break;
3014                 case 1: op = rv_op_vsuxei8_v; break;
3015                 case 2: op = rv_op_vsse8_v; break;
3016                 case 3: op = rv_op_vsoxei8_v; break;
3017                 }
3018                 break;
3019             case 1: op = rv_op_fsh; break;
3020             case 2: op = rv_op_fsw; break;
3021             case 3: op = rv_op_fsd; break;
3022             case 4: op = rv_op_fsq; break;
3023             case 5:
3024                 switch ((inst >> 26) & 0b111) {
3025                 case 0:
3026                     switch ((inst >> 20) & 0b11111) {
3027                     case 0: op = rv_op_vse16_v; break;
3028                     }
3029                     break;
3030                 case 1: op = rv_op_vsuxei16_v; break;
3031                 case 2: op = rv_op_vsse16_v; break;
3032                 case 3: op = rv_op_vsoxei16_v; break;
3033                 }
3034                 break;
3035             case 6:
3036                 switch ((inst >> 26) & 0b111) {
3037                 case 0:
3038                     switch ((inst >> 20) & 0b11111) {
3039                     case 0: op = rv_op_vse32_v; break;
3040                     }
3041                     break;
3042                 case 1: op = rv_op_vsuxei32_v; break;
3043                 case 2: op = rv_op_vsse32_v; break;
3044                 case 3: op = rv_op_vsoxei32_v; break;
3045                 }
3046                 break;
3047             case 7:
3048                 switch ((inst >> 26) & 0b111) {
3049                 case 0:
3050                     switch ((inst >> 20) & 0b11111) {
3051                     case 0: op = rv_op_vse64_v; break;
3052                     }
3053                     break;
3054                 case 1: op = rv_op_vsuxei64_v; break;
3055                 case 2: op = rv_op_vsse64_v; break;
3056                 case 3: op = rv_op_vsoxei64_v; break;
3057                 }
3058                 break;
3059             }
3060             break;
3061         case 11:
3062             switch (((inst >> 24) & 0b11111000) |
3063                     ((inst >> 12) & 0b00000111)) {
3064             case 0: op = rv_op_amoadd_b; break;
3065             case 1: op = rv_op_amoadd_h; break;
3066             case 2: op = rv_op_amoadd_w; break;
3067             case 3: op = rv_op_amoadd_d; break;
3068             case 4: op = rv_op_amoadd_q; break;
3069             case 8: op = rv_op_amoswap_b; break;
3070             case 9: op = rv_op_amoswap_h; break;
3071             case 10: op = rv_op_amoswap_w; break;
3072             case 11: op = rv_op_amoswap_d; break;
3073             case 12: op = rv_op_amoswap_q; break;
3074             case 18:
3075                 switch ((inst >> 20) & 0b11111) {
3076                 case 0: op = rv_op_lr_w; break;
3077                 }
3078                 break;
3079             case 19:
3080                 switch ((inst >> 20) & 0b11111) {
3081                 case 0: op = rv_op_lr_d; break;
3082                 }
3083                 break;
3084             case 20:
3085                 switch ((inst >> 20) & 0b11111) {
3086                 case 0: op = rv_op_lr_q; break;
3087                 }
3088                 break;
3089             case 26: op = rv_op_sc_w; break;
3090             case 27: op = rv_op_sc_d; break;
3091             case 28: op = rv_op_sc_q; break;
3092             case 32: op = rv_op_amoxor_b; break;
3093             case 33: op = rv_op_amoxor_h; break;
3094             case 34: op = rv_op_amoxor_w; break;
3095             case 35: op = rv_op_amoxor_d; break;
3096             case 36: op = rv_op_amoxor_q; break;
3097             case 40: op = rv_op_amocas_b; break;
3098             case 41: op = rv_op_amocas_h; break;
3099             case 42: op = rv_op_amocas_w; break;
3100             case 43: op = rv_op_amocas_d; break;
3101             case 44: op = rv_op_amocas_q; break;
3102             case 64: op = rv_op_amoor_b; break;
3103             case 65: op = rv_op_amoor_h; break;
3104             case 66: op = rv_op_amoor_w; break;
3105             case 67: op = rv_op_amoor_d; break;
3106             case 68: op = rv_op_amoor_q; break;
3107             case 74: op = rv_op_ssamoswap_w; break;
3108             case 75: op = rv_op_ssamoswap_d; break;
3109             case 96: op = rv_op_amoand_b; break;
3110             case 97: op = rv_op_amoand_h; break;
3111             case 98: op = rv_op_amoand_w; break;
3112             case 99: op = rv_op_amoand_d; break;
3113             case 100: op = rv_op_amoand_q; break;
3114             case 128: op = rv_op_amomin_b; break;
3115             case 129: op = rv_op_amomin_h; break;
3116             case 130: op = rv_op_amomin_w; break;
3117             case 131: op = rv_op_amomin_d; break;
3118             case 132: op = rv_op_amomin_q; break;
3119             case 160: op = rv_op_amomax_b; break;
3120             case 161: op = rv_op_amomax_h; break;
3121             case 162: op = rv_op_amomax_w; break;
3122             case 163: op = rv_op_amomax_d; break;
3123             case 164: op = rv_op_amomax_q; break;
3124             case 192: op = rv_op_amominu_b; break;
3125             case 193: op = rv_op_amominu_h; break;
3126             case 194: op = rv_op_amominu_w; break;
3127             case 195: op = rv_op_amominu_d; break;
3128             case 196: op = rv_op_amominu_q; break;
3129             case 224: op = rv_op_amomaxu_b; break;
3130             case 225: op = rv_op_amomaxu_h; break;
3131             case 226: op = rv_op_amomaxu_w; break;
3132             case 227: op = rv_op_amomaxu_d; break;
3133             case 228: op = rv_op_amomaxu_q; break;
3134             }
3135             break;
3136         case 12:
3137             switch (((inst >> 22) & 0b1111111000) |
3138                     ((inst >> 12) & 0b0000000111)) {
3139             case 0: op = rv_op_add; break;
3140             case 1: op = rv_op_sll; break;
3141             case 2: op = rv_op_slt; break;
3142             case 3: op = rv_op_sltu; break;
3143             case 4: op = rv_op_xor; break;
3144             case 5: op = rv_op_srl; break;
3145             case 6: op = rv_op_or; break;
3146             case 7: op = rv_op_and; break;
3147             case 8: op = rv_op_mul; break;
3148             case 9: op = rv_op_mulh; break;
3149             case 10: op = rv_op_mulhsu; break;
3150             case 11: op = rv_op_mulhu; break;
3151             case 12: op = rv_op_div; break;
3152             case 13: op = rv_op_divu; break;
3153             case 14: op = rv_op_rem; break;
3154             case 15: op = rv_op_remu; break;
3155             case 36:
3156                 switch ((inst >> 20) & 0b11111) {
3157                 case 0: op = rv_op_zext_h; break;
3158                 default: op = rv_op_pack; break;
3159                 }
3160                 break;
3161             case 39: op = rv_op_packh; break;
3162 
3163             case 41: op = rv_op_clmul; break;
3164             case 42: op = rv_op_clmulr; break;
3165             case 43: op = rv_op_clmulh; break;
3166             case 44: op = rv_op_min; break;
3167             case 45: op = rv_op_minu; break;
3168             case 46: op = rv_op_max; break;
3169             case 47: op = rv_op_maxu; break;
3170             case 075: op = rv_op_czero_eqz; break;
3171             case 077: op = rv_op_czero_nez; break;
3172             case 130: op = rv_op_sh1add; break;
3173             case 132: op = rv_op_sh2add; break;
3174             case 134: op = rv_op_sh3add; break;
3175             case 161: op = rv_op_bset; break;
3176             case 162: op = rv_op_xperm4; break;
3177             case 164: op = rv_op_xperm8; break;
3178             case 200: op = rv_op_aes64es; break;
3179             case 216: op = rv_op_aes64esm; break;
3180             case 232: op = rv_op_aes64ds; break;
3181             case 248: op = rv_op_aes64dsm; break;
3182             case 256: op = rv_op_sub; break;
3183             case 260: op = rv_op_xnor; break;
3184             case 261: op = rv_op_sra; break;
3185             case 262: op = rv_op_orn; break;
3186             case 263: op = rv_op_andn; break;
3187             case 289: op = rv_op_bclr; break;
3188             case 293: op = rv_op_bext; break;
3189             case 320: op = rv_op_sha512sum0r; break;
3190             case 328: op = rv_op_sha512sum1r; break;
3191             case 336: op = rv_op_sha512sig0l; break;
3192             case 344: op = rv_op_sha512sig1l; break;
3193             case 368: op = rv_op_sha512sig0h; break;
3194             case 376: op = rv_op_sha512sig1h; break;
3195             case 385: op = rv_op_rol; break;
3196             case 389: op = rv_op_ror; break;
3197             case 417: op = rv_op_binv; break;
3198             case 504: op = rv_op_aes64ks2; break;
3199             }
3200             switch ((inst >> 25) & 0b0011111) {
3201             case 17: op = rv_op_aes32esi; break;
3202             case 19: op = rv_op_aes32esmi; break;
3203             case 21: op = rv_op_aes32dsi; break;
3204             case 23: op = rv_op_aes32dsmi; break;
3205             case 24: op = rv_op_sm4ed; break;
3206             case 26: op = rv_op_sm4ks; break;
3207             }
3208             break;
3209         case 13: op = rv_op_lui; break;
3210         case 14:
3211             switch (((inst >> 22) & 0b1111111000) |
3212                     ((inst >> 12) & 0b0000000111)) {
3213             case 0: op = rv_op_addw; break;
3214             case 1: op = rv_op_sllw; break;
3215             case 5: op = rv_op_srlw; break;
3216             case 8: op = rv_op_mulw; break;
3217             case 12: op = rv_op_divw; break;
3218             case 13: op = rv_op_divuw; break;
3219             case 14: op = rv_op_remw; break;
3220             case 15: op = rv_op_remuw; break;
3221             case 32: op = rv_op_add_uw; break;
3222             case 36:
3223                 switch ((inst >> 20) & 0b11111) {
3224                 case 0: op = rv_op_zext_h; break;
3225                 default: op = rv_op_packw; break;
3226                 }
3227                 break;
3228             case 130: op = rv_op_sh1add_uw; break;
3229             case 132: op = rv_op_sh2add_uw; break;
3230             case 134: op = rv_op_sh3add_uw; break;
3231             case 256: op = rv_op_subw; break;
3232             case 261: op = rv_op_sraw; break;
3233             case 385: op = rv_op_rolw; break;
3234             case 389: op = rv_op_rorw; break;
3235             }
3236             break;
3237         case 16:
3238             switch ((inst >> 25) & 0b11) {
3239             case 0: op = rv_op_fmadd_s; break;
3240             case 1: op = rv_op_fmadd_d; break;
3241             case 3: op = rv_op_fmadd_q; break;
3242             }
3243             break;
3244         case 17:
3245             switch ((inst >> 25) & 0b11) {
3246             case 0: op = rv_op_fmsub_s; break;
3247             case 1: op = rv_op_fmsub_d; break;
3248             case 3: op = rv_op_fmsub_q; break;
3249             }
3250             break;
3251         case 18:
3252             switch ((inst >> 25) & 0b11) {
3253             case 0: op = rv_op_fnmsub_s; break;
3254             case 1: op = rv_op_fnmsub_d; break;
3255             case 3: op = rv_op_fnmsub_q; break;
3256             }
3257             break;
3258         case 19:
3259             switch ((inst >> 25) & 0b11) {
3260             case 0: op = rv_op_fnmadd_s; break;
3261             case 1: op = rv_op_fnmadd_d; break;
3262             case 3: op = rv_op_fnmadd_q; break;
3263             }
3264             break;
3265         case 20:
3266             switch ((inst >> 25) & 0b1111111) {
3267             case 0: op = rv_op_fadd_s; break;
3268             case 1: op = rv_op_fadd_d; break;
3269             case 3: op = rv_op_fadd_q; break;
3270             case 4: op = rv_op_fsub_s; break;
3271             case 5: op = rv_op_fsub_d; break;
3272             case 7: op = rv_op_fsub_q; break;
3273             case 8: op = rv_op_fmul_s; break;
3274             case 9: op = rv_op_fmul_d; break;
3275             case 11: op = rv_op_fmul_q; break;
3276             case 12: op = rv_op_fdiv_s; break;
3277             case 13: op = rv_op_fdiv_d; break;
3278             case 15: op = rv_op_fdiv_q; break;
3279             case 16:
3280                 switch ((inst >> 12) & 0b111) {
3281                 case 0: op = rv_op_fsgnj_s; break;
3282                 case 1: op = rv_op_fsgnjn_s; break;
3283                 case 2: op = rv_op_fsgnjx_s; break;
3284                 }
3285                 break;
3286             case 17:
3287                 switch ((inst >> 12) & 0b111) {
3288                 case 0: op = rv_op_fsgnj_d; break;
3289                 case 1: op = rv_op_fsgnjn_d; break;
3290                 case 2: op = rv_op_fsgnjx_d; break;
3291                 }
3292                 break;
3293             case 19:
3294                 switch ((inst >> 12) & 0b111) {
3295                 case 0: op = rv_op_fsgnj_q; break;
3296                 case 1: op = rv_op_fsgnjn_q; break;
3297                 case 2: op = rv_op_fsgnjx_q; break;
3298                 }
3299                 break;
3300             case 20:
3301                 switch ((inst >> 12) & 0b111) {
3302                 case 0: op = rv_op_fmin_s; break;
3303                 case 1: op = rv_op_fmax_s; break;
3304                 case 2: op = rv_op_fminm_s; break;
3305                 case 3: op = rv_op_fmaxm_s; break;
3306                 }
3307                 break;
3308             case 21:
3309                 switch ((inst >> 12) & 0b111) {
3310                 case 0: op = rv_op_fmin_d; break;
3311                 case 1: op = rv_op_fmax_d; break;
3312                 case 2: op = rv_op_fminm_d; break;
3313                 case 3: op = rv_op_fmaxm_d; break;
3314                 }
3315                 break;
3316             case 22:
3317                 switch (((inst >> 12) & 0b111)) {
3318                 case 2: op = rv_op_fminm_h; break;
3319                 case 3: op = rv_op_fmaxm_h; break;
3320                 }
3321                 break;
3322             case 23:
3323                 switch ((inst >> 12) & 0b111) {
3324                 case 0: op = rv_op_fmin_q; break;
3325                 case 1: op = rv_op_fmax_q; break;
3326                 case 2: op = rv_op_fminm_q; break;
3327                 case 3: op = rv_op_fmaxm_q; break;
3328                 }
3329                 break;
3330             case 32:
3331                 switch ((inst >> 20) & 0b11111) {
3332                 case 1: op = rv_op_fcvt_s_d; break;
3333                 case 3: op = rv_op_fcvt_s_q; break;
3334                 case 4: op = rv_op_fround_s; break;
3335                 case 5: op = rv_op_froundnx_s; break;
3336                 case 6: op = rv_op_fcvt_s_bf16; break;
3337                 }
3338                 break;
3339             case 33:
3340                 switch ((inst >> 20) & 0b11111) {
3341                 case 0: op = rv_op_fcvt_d_s; break;
3342                 case 3: op = rv_op_fcvt_d_q; break;
3343                 case 4: op = rv_op_fround_d; break;
3344                 case 5: op = rv_op_froundnx_d; break;
3345                 }
3346                 break;
3347             case 34:
3348                 switch (((inst >> 20) & 0b11111)) {
3349                 case 4: op = rv_op_fround_h; break;
3350                 case 5: op = rv_op_froundnx_h; break;
3351                 case 8: op = rv_op_fcvt_bf16_s; break;
3352                 }
3353                 break;
3354             case 35:
3355                 switch ((inst >> 20) & 0b11111) {
3356                 case 0: op = rv_op_fcvt_q_s; break;
3357                 case 1: op = rv_op_fcvt_q_d; break;
3358                 case 4: op = rv_op_fround_q; break;
3359                 case 5: op = rv_op_froundnx_q; break;
3360                 }
3361                 break;
3362             case 44:
3363                 switch ((inst >> 20) & 0b11111) {
3364                 case 0: op = rv_op_fsqrt_s; break;
3365                 }
3366                 break;
3367             case 45:
3368                 switch ((inst >> 20) & 0b11111) {
3369                 case 0: op = rv_op_fsqrt_d; break;
3370                 }
3371                 break;
3372             case 47:
3373                 switch ((inst >> 20) & 0b11111) {
3374                 case 0: op = rv_op_fsqrt_q; break;
3375                 }
3376                 break;
3377             case 80:
3378                 switch ((inst >> 12) & 0b111) {
3379                 case 0: op = rv_op_fle_s; break;
3380                 case 1: op = rv_op_flt_s; break;
3381                 case 2: op = rv_op_feq_s; break;
3382                 case 4: op = rv_op_fleq_s; break;
3383                 case 5: op = rv_op_fltq_s; break;
3384                 }
3385                 break;
3386             case 81:
3387                 switch ((inst >> 12) & 0b111) {
3388                 case 0: op = rv_op_fle_d; break;
3389                 case 1: op = rv_op_flt_d; break;
3390                 case 2: op = rv_op_feq_d; break;
3391                 case 4: op = rv_op_fleq_d; break;
3392                 case 5: op = rv_op_fltq_d; break;
3393                 }
3394                 break;
3395             case 82:
3396                 switch (((inst >> 12) & 0b111)) {
3397                 case 4: op = rv_op_fleq_h; break;
3398                 case 5: op = rv_op_fltq_h; break;
3399                 }
3400                 break;
3401             case 83:
3402                 switch ((inst >> 12) & 0b111) {
3403                 case 0: op = rv_op_fle_q; break;
3404                 case 1: op = rv_op_flt_q; break;
3405                 case 2: op = rv_op_feq_q; break;
3406                 case 4: op = rv_op_fleq_q; break;
3407                 case 5: op = rv_op_fltq_q; break;
3408                 }
3409                 break;
3410             case 89:
3411                 switch (((inst >> 12) & 0b111)) {
3412                 case 0: op = rv_op_fmvp_d_x; break;
3413                 }
3414                 break;
3415             case 91:
3416                 switch (((inst >> 12) & 0b111)) {
3417                 case 0: op = rv_op_fmvp_q_x; break;
3418                 }
3419                 break;
3420             case 96:
3421                 switch ((inst >> 20) & 0b11111) {
3422                 case 0: op = rv_op_fcvt_w_s; break;
3423                 case 1: op = rv_op_fcvt_wu_s; break;
3424                 case 2: op = rv_op_fcvt_l_s; break;
3425                 case 3: op = rv_op_fcvt_lu_s; break;
3426                 }
3427                 break;
3428             case 97:
3429                 switch ((inst >> 20) & 0b11111) {
3430                 case 0: op = rv_op_fcvt_w_d; break;
3431                 case 1: op = rv_op_fcvt_wu_d; break;
3432                 case 2: op = rv_op_fcvt_l_d; break;
3433                 case 3: op = rv_op_fcvt_lu_d; break;
3434                 case 8: op = rv_op_fcvtmod_w_d; break;
3435                 }
3436                 break;
3437             case 99:
3438                 switch ((inst >> 20) & 0b11111) {
3439                 case 0: op = rv_op_fcvt_w_q; break;
3440                 case 1: op = rv_op_fcvt_wu_q; break;
3441                 case 2: op = rv_op_fcvt_l_q; break;
3442                 case 3: op = rv_op_fcvt_lu_q; break;
3443                 }
3444                 break;
3445             case 104:
3446                 switch ((inst >> 20) & 0b11111) {
3447                 case 0: op = rv_op_fcvt_s_w; break;
3448                 case 1: op = rv_op_fcvt_s_wu; break;
3449                 case 2: op = rv_op_fcvt_s_l; break;
3450                 case 3: op = rv_op_fcvt_s_lu; break;
3451                 }
3452                 break;
3453             case 105:
3454                 switch ((inst >> 20) & 0b11111) {
3455                 case 0: op = rv_op_fcvt_d_w; break;
3456                 case 1: op = rv_op_fcvt_d_wu; break;
3457                 case 2: op = rv_op_fcvt_d_l; break;
3458                 case 3: op = rv_op_fcvt_d_lu; break;
3459                 }
3460                 break;
3461             case 107:
3462                 switch ((inst >> 20) & 0b11111) {
3463                 case 0: op = rv_op_fcvt_q_w; break;
3464                 case 1: op = rv_op_fcvt_q_wu; break;
3465                 case 2: op = rv_op_fcvt_q_l; break;
3466                 case 3: op = rv_op_fcvt_q_lu; break;
3467                 }
3468                 break;
3469             case 112:
3470                 switch (((inst >> 17) & 0b11111000) |
3471                         ((inst >> 12) & 0b00000111)) {
3472                 case 0: op = rv_op_fmv_x_s; break;
3473                 case 1: op = rv_op_fclass_s; break;
3474                 }
3475                 break;
3476             case 113:
3477                 switch (((inst >> 17) & 0b11111000) |
3478                         ((inst >> 12) & 0b00000111)) {
3479                 case 0: op = rv_op_fmv_x_d; break;
3480                 case 1: op = rv_op_fclass_d; break;
3481                 case 8: op = rv_op_fmvh_x_d; break;
3482                 }
3483                 break;
3484             case 114:
3485                 switch (((inst >> 17) & 0b11111000) |
3486                         ((inst >> 12) & 0b00000111)) {
3487                 case 0: op = rv_op_fmv_x_h; break;
3488                 }
3489                 break;
3490             case 115:
3491                 switch (((inst >> 17) & 0b11111000) |
3492                         ((inst >> 12) & 0b00000111)) {
3493                 case 0: op = rv_op_fmv_x_q; break;
3494                 case 1: op = rv_op_fclass_q; break;
3495                 case 8: op = rv_op_fmvh_x_q; break;
3496                 }
3497                 break;
3498             case 120:
3499                 switch (((inst >> 17) & 0b11111000) |
3500                         ((inst >> 12) & 0b00000111)) {
3501                 case 0: op = rv_op_fmv_s_x; break;
3502                 case 8: op = rv_op_fli_s; break;
3503                 }
3504                 break;
3505             case 121:
3506                 switch (((inst >> 17) & 0b11111000) |
3507                         ((inst >> 12) & 0b00000111)) {
3508                 case 0: op = rv_op_fmv_d_x; break;
3509                 case 8: op = rv_op_fli_d; break;
3510                 }
3511                 break;
3512             case 122:
3513                 switch (((inst >> 17) & 0b11111000) |
3514                         ((inst >> 12) & 0b00000111)) {
3515                 case 0: op = rv_op_fmv_h_x; break;
3516                 case 8: op = rv_op_fli_h; break;
3517                 }
3518                 break;
3519             case 123:
3520                 switch (((inst >> 17) & 0b11111000) |
3521                         ((inst >> 12) & 0b00000111)) {
3522                 case 0: op = rv_op_fmv_q_x; break;
3523                 case 8: op = rv_op_fli_q; break;
3524                 }
3525                 break;
3526             }
3527             break;
3528         case 21:
3529             switch ((inst >> 12) & 0b111) {
3530             case 0:
3531                 switch ((inst >> 26) & 0b111111) {
3532                 case 0: op = rv_op_vadd_vv; break;
3533                 case 1: op = rv_op_vandn_vv; break;
3534                 case 2: op = rv_op_vsub_vv; break;
3535                 case 4: op = rv_op_vminu_vv; break;
3536                 case 5: op = rv_op_vmin_vv; break;
3537                 case 6: op = rv_op_vmaxu_vv; break;
3538                 case 7: op = rv_op_vmax_vv; break;
3539                 case 9: op = rv_op_vand_vv; break;
3540                 case 10: op = rv_op_vor_vv; break;
3541                 case 11: op = rv_op_vxor_vv; break;
3542                 case 12: op = rv_op_vrgather_vv; break;
3543                 case 14: op = rv_op_vrgatherei16_vv; break;
3544                 case 16:
3545                     if (((inst >> 25) & 1) == 0) {
3546                         op = rv_op_vadc_vvm;
3547                     }
3548                     break;
3549                 case 17: op = rv_op_vmadc_vvm; break;
3550                 case 18:
3551                     if (((inst >> 25) & 1) == 0) {
3552                         op = rv_op_vsbc_vvm;
3553                     }
3554                     break;
3555                 case 19: op = rv_op_vmsbc_vvm; break;
3556                 case 20: op = rv_op_vror_vv; break;
3557                 case 21: op = rv_op_vrol_vv; break;
3558                 case 23:
3559                     if (((inst >> 20) & 0b111111) == 32)
3560                         op = rv_op_vmv_v_v;
3561                     else if (((inst >> 25) & 1) == 0)
3562                         op = rv_op_vmerge_vvm;
3563                     break;
3564                 case 24: op = rv_op_vmseq_vv; break;
3565                 case 25: op = rv_op_vmsne_vv; break;
3566                 case 26: op = rv_op_vmsltu_vv; break;
3567                 case 27: op = rv_op_vmslt_vv; break;
3568                 case 28: op = rv_op_vmsleu_vv; break;
3569                 case 29: op = rv_op_vmsle_vv; break;
3570                 case 32: op = rv_op_vsaddu_vv; break;
3571                 case 33: op = rv_op_vsadd_vv; break;
3572                 case 34: op = rv_op_vssubu_vv; break;
3573                 case 35: op = rv_op_vssub_vv; break;
3574                 case 37: op = rv_op_vsll_vv; break;
3575                 case 39: op = rv_op_vsmul_vv; break;
3576                 case 40: op = rv_op_vsrl_vv; break;
3577                 case 41: op = rv_op_vsra_vv; break;
3578                 case 42: op = rv_op_vssrl_vv; break;
3579                 case 43: op = rv_op_vssra_vv; break;
3580                 case 44: op = rv_op_vnsrl_wv; break;
3581                 case 45: op = rv_op_vnsra_wv; break;
3582                 case 46: op = rv_op_vnclipu_wv; break;
3583                 case 47: op = rv_op_vnclip_wv; break;
3584                 case 48: op = rv_op_vwredsumu_vs; break;
3585                 case 49: op = rv_op_vwredsum_vs; break;
3586                 case 53: op = rv_op_vwsll_vv; break;
3587                 }
3588                 break;
3589             case 1:
3590                 switch ((inst >> 26) & 0b111111) {
3591                 case 0: op = rv_op_vfadd_vv; break;
3592                 case 1: op = rv_op_vfredusum_vs; break;
3593                 case 2: op = rv_op_vfsub_vv; break;
3594                 case 3: op = rv_op_vfredosum_vs; break;
3595                 case 4: op = rv_op_vfmin_vv; break;
3596                 case 5: op = rv_op_vfredmin_vs; break;
3597                 case 6: op = rv_op_vfmax_vv; break;
3598                 case 7: op = rv_op_vfredmax_vs; break;
3599                 case 8: op = rv_op_vfsgnj_vv; break;
3600                 case 9: op = rv_op_vfsgnjn_vv; break;
3601                 case 10: op = rv_op_vfsgnjx_vv; break;
3602                 case 16:
3603                     switch ((inst >> 15) & 0b11111) {
3604                     case 0: if ((inst >> 25) & 1) op = rv_op_vfmv_f_s; break;
3605                     }
3606                     break;
3607                 case 18:
3608                     switch ((inst >> 15) & 0b11111) {
3609                     case 0: op = rv_op_vfcvt_xu_f_v; break;
3610                     case 1: op = rv_op_vfcvt_x_f_v; break;
3611                     case 2: op = rv_op_vfcvt_f_xu_v; break;
3612                     case 3: op = rv_op_vfcvt_f_x_v; break;
3613                     case 6: op = rv_op_vfcvt_rtz_xu_f_v; break;
3614                     case 7: op = rv_op_vfcvt_rtz_x_f_v; break;
3615                     case 8: op = rv_op_vfwcvt_xu_f_v; break;
3616                     case 9: op = rv_op_vfwcvt_x_f_v; break;
3617                     case 10: op = rv_op_vfwcvt_f_xu_v; break;
3618                     case 11: op = rv_op_vfwcvt_f_x_v; break;
3619                     case 12: op = rv_op_vfwcvt_f_f_v; break;
3620                     case 13: op = rv_op_vfwcvtbf16_f_f_v; break;
3621                     case 14: op = rv_op_vfwcvt_rtz_xu_f_v; break;
3622                     case 15: op = rv_op_vfwcvt_rtz_x_f_v; break;
3623                     case 16: op = rv_op_vfncvt_xu_f_w; break;
3624                     case 17: op = rv_op_vfncvt_x_f_w; break;
3625                     case 18: op = rv_op_vfncvt_f_xu_w; break;
3626                     case 19: op = rv_op_vfncvt_f_x_w; break;
3627                     case 20: op = rv_op_vfncvt_f_f_w; break;
3628                     case 21: op = rv_op_vfncvt_rod_f_f_w; break;
3629                     case 22: op = rv_op_vfncvt_rtz_xu_f_w; break;
3630                     case 23: op = rv_op_vfncvt_rtz_x_f_w; break;
3631                     case 29: op = rv_op_vfncvtbf16_f_f_w; break;
3632                     }
3633                     break;
3634                 case 19:
3635                     switch ((inst >> 15) & 0b11111) {
3636                     case 0: op = rv_op_vfsqrt_v; break;
3637                     case 4: op = rv_op_vfrsqrt7_v; break;
3638                     case 5: op = rv_op_vfrec7_v; break;
3639                     case 16: op = rv_op_vfclass_v; break;
3640                     }
3641                     break;
3642                 case 24: op = rv_op_vmfeq_vv; break;
3643                 case 25: op = rv_op_vmfle_vv; break;
3644                 case 27: op = rv_op_vmflt_vv; break;
3645                 case 28: op = rv_op_vmfne_vv; break;
3646                 case 32: op = rv_op_vfdiv_vv; break;
3647                 case 36: op = rv_op_vfmul_vv; break;
3648                 case 40: op = rv_op_vfmadd_vv; break;
3649                 case 41: op = rv_op_vfnmadd_vv; break;
3650                 case 42: op = rv_op_vfmsub_vv; break;
3651                 case 43: op = rv_op_vfnmsub_vv; break;
3652                 case 44: op = rv_op_vfmacc_vv; break;
3653                 case 45: op = rv_op_vfnmacc_vv; break;
3654                 case 46: op = rv_op_vfmsac_vv; break;
3655                 case 47: op = rv_op_vfnmsac_vv; break;
3656                 case 48: op = rv_op_vfwadd_vv; break;
3657                 case 49: op = rv_op_vfwredusum_vs; break;
3658                 case 50: op = rv_op_vfwsub_vv; break;
3659                 case 51: op = rv_op_vfwredosum_vs; break;
3660                 case 52: op = rv_op_vfwadd_wv; break;
3661                 case 54: op = rv_op_vfwsub_wv; break;
3662                 case 56: op = rv_op_vfwmul_vv; break;
3663                 case 59: op = rv_op_vfwmaccbf16_vv; break;
3664                 case 60: op = rv_op_vfwmacc_vv; break;
3665                 case 61: op = rv_op_vfwnmacc_vv; break;
3666                 case 62: op = rv_op_vfwmsac_vv; break;
3667                 case 63: op = rv_op_vfwnmsac_vv; break;
3668                 }
3669                 break;
3670             case 2:
3671                 switch ((inst >> 26) & 0b111111) {
3672                 case 0: op = rv_op_vredsum_vs; break;
3673                 case 1: op = rv_op_vredand_vs; break;
3674                 case 2: op = rv_op_vredor_vs; break;
3675                 case 3: op = rv_op_vredxor_vs; break;
3676                 case 4: op = rv_op_vredminu_vs; break;
3677                 case 5: op = rv_op_vredmin_vs; break;
3678                 case 6: op = rv_op_vredmaxu_vs; break;
3679                 case 7: op = rv_op_vredmax_vs; break;
3680                 case 8: op = rv_op_vaaddu_vv; break;
3681                 case 9: op = rv_op_vaadd_vv; break;
3682                 case 10: op = rv_op_vasubu_vv; break;
3683                 case 11: op = rv_op_vasub_vv; break;
3684                 case 12: op = rv_op_vclmul_vv; break;
3685                 case 13: op = rv_op_vclmulh_vv; break;
3686                 case 16:
3687                     switch ((inst >> 15) & 0b11111) {
3688                     case 0: if ((inst >> 25) & 1) op = rv_op_vmv_x_s; break;
3689                     case 16: op = rv_op_vcpop_m; break;
3690                     case 17: op = rv_op_vfirst_m; break;
3691                     }
3692                     break;
3693                 case 18:
3694                     switch ((inst >> 15) & 0b11111) {
3695                     case 2: op = rv_op_vzext_vf8; break;
3696                     case 3: op = rv_op_vsext_vf8; break;
3697                     case 4: op = rv_op_vzext_vf4; break;
3698                     case 5: op = rv_op_vsext_vf4; break;
3699                     case 6: op = rv_op_vzext_vf2; break;
3700                     case 7: op = rv_op_vsext_vf2; break;
3701                     case 8: op = rv_op_vbrev8_v; break;
3702                     case 9: op = rv_op_vrev8_v; break;
3703                     case 10: op = rv_op_vbrev_v; break;
3704                     case 12: op = rv_op_vclz_v; break;
3705                     case 13: op = rv_op_vctz_v; break;
3706                     case 14: op = rv_op_vcpop_v; break;
3707                     }
3708                     break;
3709                 case 20:
3710                     switch ((inst >> 15) & 0b11111) {
3711                     case 1: op = rv_op_vmsbf_m;  break;
3712                     case 2: op = rv_op_vmsof_m; break;
3713                     case 3: op = rv_op_vmsif_m; break;
3714                     case 16: op = rv_op_viota_m; break;
3715                     case 17:
3716                         if (((inst >> 20) & 0b11111) == 0) {
3717                             op = rv_op_vid_v;
3718                         }
3719                         break;
3720                     }
3721                     break;
3722                 case 23: if ((inst >> 25) & 1) op = rv_op_vcompress_vm; break;
3723                 case 24: if ((inst >> 25) & 1) op = rv_op_vmandn_mm; break;
3724                 case 25: if ((inst >> 25) & 1) op = rv_op_vmand_mm; break;
3725                 case 26: if ((inst >> 25) & 1) op = rv_op_vmor_mm; break;
3726                 case 27: if ((inst >> 25) & 1) op = rv_op_vmxor_mm; break;
3727                 case 28: if ((inst >> 25) & 1) op = rv_op_vmorn_mm; break;
3728                 case 29: if ((inst >> 25) & 1) op = rv_op_vmnand_mm; break;
3729                 case 30: if ((inst >> 25) & 1) op = rv_op_vmnor_mm; break;
3730                 case 31: if ((inst >> 25) & 1) op = rv_op_vmxnor_mm; break;
3731                 case 32: op = rv_op_vdivu_vv; break;
3732                 case 33: op = rv_op_vdiv_vv; break;
3733                 case 34: op = rv_op_vremu_vv; break;
3734                 case 35: op = rv_op_vrem_vv; break;
3735                 case 36: op = rv_op_vmulhu_vv; break;
3736                 case 37: op = rv_op_vmul_vv; break;
3737                 case 38: op = rv_op_vmulhsu_vv; break;
3738                 case 39: op = rv_op_vmulh_vv; break;
3739                 case 41: op = rv_op_vmadd_vv; break;
3740                 case 43: op = rv_op_vnmsub_vv; break;
3741                 case 45: op = rv_op_vmacc_vv; break;
3742                 case 47: op = rv_op_vnmsac_vv; break;
3743                 case 48: op = rv_op_vwaddu_vv; break;
3744                 case 49: op = rv_op_vwadd_vv; break;
3745                 case 50: op = rv_op_vwsubu_vv; break;
3746                 case 51: op = rv_op_vwsub_vv; break;
3747                 case 52: op = rv_op_vwaddu_wv; break;
3748                 case 53: op = rv_op_vwadd_wv; break;
3749                 case 54: op = rv_op_vwsubu_wv; break;
3750                 case 55: op = rv_op_vwsub_wv; break;
3751                 case 56: op = rv_op_vwmulu_vv; break;
3752                 case 58: op = rv_op_vwmulsu_vv; break;
3753                 case 59: op = rv_op_vwmul_vv; break;
3754                 case 60: op = rv_op_vwmaccu_vv; break;
3755                 case 61: op = rv_op_vwmacc_vv; break;
3756                 case 63: op = rv_op_vwmaccsu_vv; break;
3757                 }
3758                 break;
3759             case 3:
3760                 switch ((inst >> 26) & 0b111111) {
3761                 case 0: op = rv_op_vadd_vi; break;
3762                 case 3: op = rv_op_vrsub_vi; break;
3763                 case 9: op = rv_op_vand_vi; break;
3764                 case 10: op = rv_op_vor_vi; break;
3765                 case 11: op = rv_op_vxor_vi; break;
3766                 case 12: op = rv_op_vrgather_vi; break;
3767                 case 14: op = rv_op_vslideup_vi; break;
3768                 case 15: op = rv_op_vslidedown_vi; break;
3769                 case 16:
3770                     if (((inst >> 25) & 1) == 0) {
3771                         op = rv_op_vadc_vim;
3772                     }
3773                     break;
3774                 case 17: op = rv_op_vmadc_vim; break;
3775                 case 20: case 21: op = rv_op_vror_vi; break;
3776                 case 23:
3777                     if (((inst >> 20) & 0b111111) == 32)
3778                         op = rv_op_vmv_v_i;
3779                     else if (((inst >> 25) & 1) == 0)
3780                         op = rv_op_vmerge_vim;
3781                     break;
3782                 case 24: op = rv_op_vmseq_vi; break;
3783                 case 25: op = rv_op_vmsne_vi; break;
3784                 case 28: op = rv_op_vmsleu_vi; break;
3785                 case 29: op = rv_op_vmsle_vi; break;
3786                 case 30: op = rv_op_vmsgtu_vi; break;
3787                 case 31: op = rv_op_vmsgt_vi; break;
3788                 case 32: op = rv_op_vsaddu_vi; break;
3789                 case 33: op = rv_op_vsadd_vi; break;
3790                 case 37: op = rv_op_vsll_vi; break;
3791                 case 39:
3792                     switch ((inst >> 15) & 0b11111) {
3793                     case 0: op = rv_op_vmv1r_v; break;
3794                     case 1: op = rv_op_vmv2r_v; break;
3795                     case 3: op = rv_op_vmv4r_v; break;
3796                     case 7: op = rv_op_vmv8r_v; break;
3797                     }
3798                     break;
3799                 case 40: op = rv_op_vsrl_vi; break;
3800                 case 41: op = rv_op_vsra_vi; break;
3801                 case 42: op = rv_op_vssrl_vi; break;
3802                 case 43: op = rv_op_vssra_vi; break;
3803                 case 44: op = rv_op_vnsrl_wi; break;
3804                 case 45: op = rv_op_vnsra_wi; break;
3805                 case 46: op = rv_op_vnclipu_wi; break;
3806                 case 47: op = rv_op_vnclip_wi; break;
3807                 case 53: op = rv_op_vwsll_vi; break;
3808                 }
3809                 break;
3810             case 4:
3811                 switch ((inst >> 26) & 0b111111) {
3812                 case 0: op = rv_op_vadd_vx; break;
3813                 case 1: op = rv_op_vandn_vx; break;
3814                 case 2: op = rv_op_vsub_vx; break;
3815                 case 3: op = rv_op_vrsub_vx; break;
3816                 case 4: op = rv_op_vminu_vx; break;
3817                 case 5: op = rv_op_vmin_vx; break;
3818                 case 6: op = rv_op_vmaxu_vx; break;
3819                 case 7: op = rv_op_vmax_vx; break;
3820                 case 9: op = rv_op_vand_vx; break;
3821                 case 10: op = rv_op_vor_vx; break;
3822                 case 11: op = rv_op_vxor_vx; break;
3823                 case 12: op = rv_op_vrgather_vx; break;
3824                 case 14: op = rv_op_vslideup_vx; break;
3825                 case 15: op = rv_op_vslidedown_vx; break;
3826                 case 16:
3827                     if (((inst >> 25) & 1) == 0) {
3828                         op = rv_op_vadc_vxm;
3829                     }
3830                     break;
3831                 case 17: op = rv_op_vmadc_vxm; break;
3832                 case 18:
3833                     if (((inst >> 25) & 1) == 0) {
3834                         op = rv_op_vsbc_vxm;
3835                     }
3836                     break;
3837                 case 19: op = rv_op_vmsbc_vxm; break;
3838                 case 20: op = rv_op_vror_vx; break;
3839                 case 21: op = rv_op_vrol_vx; break;
3840                 case 23:
3841                     if (((inst >> 20) & 0b111111) == 32)
3842                         op = rv_op_vmv_v_x;
3843                     else if (((inst >> 25) & 1) == 0)
3844                         op = rv_op_vmerge_vxm;
3845                     break;
3846                 case 24: op = rv_op_vmseq_vx; break;
3847                 case 25: op = rv_op_vmsne_vx; break;
3848                 case 26: op = rv_op_vmsltu_vx; break;
3849                 case 27: op = rv_op_vmslt_vx; break;
3850                 case 28: op = rv_op_vmsleu_vx; break;
3851                 case 29: op = rv_op_vmsle_vx; break;
3852                 case 30: op = rv_op_vmsgtu_vx; break;
3853                 case 31: op = rv_op_vmsgt_vx; break;
3854                 case 32: op = rv_op_vsaddu_vx; break;
3855                 case 33: op = rv_op_vsadd_vx; break;
3856                 case 34: op = rv_op_vssubu_vx; break;
3857                 case 35: op = rv_op_vssub_vx; break;
3858                 case 37: op = rv_op_vsll_vx; break;
3859                 case 39: op = rv_op_vsmul_vx; break;
3860                 case 40: op = rv_op_vsrl_vx; break;
3861                 case 41: op = rv_op_vsra_vx; break;
3862                 case 42: op = rv_op_vssrl_vx; break;
3863                 case 43: op = rv_op_vssra_vx; break;
3864                 case 44: op = rv_op_vnsrl_wx; break;
3865                 case 45: op = rv_op_vnsra_wx; break;
3866                 case 46: op = rv_op_vnclipu_wx; break;
3867                 case 47: op = rv_op_vnclip_wx; break;
3868                 case 53: op = rv_op_vwsll_vx; break;
3869                 }
3870                 break;
3871             case 5:
3872                 switch ((inst >> 26) & 0b111111) {
3873                 case 0: op = rv_op_vfadd_vf; break;
3874                 case 2: op = rv_op_vfsub_vf; break;
3875                 case 4: op = rv_op_vfmin_vf; break;
3876                 case 6: op = rv_op_vfmax_vf; break;
3877                 case 8: op = rv_op_vfsgnj_vf; break;
3878                 case 9: op = rv_op_vfsgnjn_vf; break;
3879                 case 10: op = rv_op_vfsgnjx_vf; break;
3880                 case 14: op = rv_op_vfslide1up_vf; break;
3881                 case 15: op = rv_op_vfslide1down_vf; break;
3882                 case 16:
3883                     switch ((inst >> 20) & 0b11111) {
3884                     case 0: if ((inst >> 25) & 1) op = rv_op_vfmv_s_f; break;
3885                     }
3886                     break;
3887                 case 23:
3888                     if (((inst >> 25) & 1) == 0)
3889                         op = rv_op_vfmerge_vfm;
3890                     else if (((inst >> 20) & 0b111111) == 32)
3891                         op = rv_op_vfmv_v_f;
3892                     break;
3893                 case 24: op = rv_op_vmfeq_vf; break;
3894                 case 25: op = rv_op_vmfle_vf; break;
3895                 case 27: op = rv_op_vmflt_vf; break;
3896                 case 28: op = rv_op_vmfne_vf; break;
3897                 case 29: op = rv_op_vmfgt_vf; break;
3898                 case 31: op = rv_op_vmfge_vf; break;
3899                 case 32: op = rv_op_vfdiv_vf; break;
3900                 case 33: op = rv_op_vfrdiv_vf; break;
3901                 case 36: op = rv_op_vfmul_vf; break;
3902                 case 39: op = rv_op_vfrsub_vf; break;
3903                 case 40: op = rv_op_vfmadd_vf; break;
3904                 case 41: op = rv_op_vfnmadd_vf; break;
3905                 case 42: op = rv_op_vfmsub_vf; break;
3906                 case 43: op = rv_op_vfnmsub_vf; break;
3907                 case 44: op = rv_op_vfmacc_vf; break;
3908                 case 45: op = rv_op_vfnmacc_vf; break;
3909                 case 46: op = rv_op_vfmsac_vf; break;
3910                 case 47: op = rv_op_vfnmsac_vf; break;
3911                 case 48: op = rv_op_vfwadd_vf; break;
3912                 case 50: op = rv_op_vfwsub_vf; break;
3913                 case 52: op = rv_op_vfwadd_wf; break;
3914                 case 54: op = rv_op_vfwsub_wf; break;
3915                 case 56: op = rv_op_vfwmul_vf; break;
3916                 case 59: op = rv_op_vfwmaccbf16_vf; break;
3917                 case 60: op = rv_op_vfwmacc_vf; break;
3918                 case 61: op = rv_op_vfwnmacc_vf; break;
3919                 case 62: op = rv_op_vfwmsac_vf; break;
3920                 case 63: op = rv_op_vfwnmsac_vf; break;
3921                 }
3922                 break;
3923             case 6:
3924                 switch ((inst >> 26) & 0b111111) {
3925                 case 8: op = rv_op_vaaddu_vx; break;
3926                 case 9: op = rv_op_vaadd_vx; break;
3927                 case 10: op = rv_op_vasubu_vx; break;
3928                 case 11: op = rv_op_vasub_vx; break;
3929                 case 12: op = rv_op_vclmul_vx; break;
3930                 case 13: op = rv_op_vclmulh_vx; break;
3931                 case 14: op = rv_op_vslide1up_vx; break;
3932                 case 15: op = rv_op_vslide1down_vx; break;
3933                 case 16:
3934                     switch ((inst >> 20) & 0b11111) {
3935                     case 0: if ((inst >> 25) & 1) op = rv_op_vmv_s_x; break;
3936                     }
3937                     break;
3938                 case 32: op = rv_op_vdivu_vx; break;
3939                 case 33: op = rv_op_vdiv_vx; break;
3940                 case 34: op = rv_op_vremu_vx; break;
3941                 case 35: op = rv_op_vrem_vx; break;
3942                 case 36: op = rv_op_vmulhu_vx; break;
3943                 case 37: op = rv_op_vmul_vx; break;
3944                 case 38: op = rv_op_vmulhsu_vx; break;
3945                 case 39: op = rv_op_vmulh_vx; break;
3946                 case 41: op = rv_op_vmadd_vx; break;
3947                 case 43: op = rv_op_vnmsub_vx; break;
3948                 case 45: op = rv_op_vmacc_vx; break;
3949                 case 47: op = rv_op_vnmsac_vx; break;
3950                 case 48: op = rv_op_vwaddu_vx; break;
3951                 case 49: op = rv_op_vwadd_vx; break;
3952                 case 50: op = rv_op_vwsubu_vx; break;
3953                 case 51: op = rv_op_vwsub_vx; break;
3954                 case 52: op = rv_op_vwaddu_wx; break;
3955                 case 53: op = rv_op_vwadd_wx; break;
3956                 case 54: op = rv_op_vwsubu_wx; break;
3957                 case 55: op = rv_op_vwsub_wx; break;
3958                 case 56: op = rv_op_vwmulu_vx; break;
3959                 case 58: op = rv_op_vwmulsu_vx; break;
3960                 case 59: op = rv_op_vwmul_vx; break;
3961                 case 60: op = rv_op_vwmaccu_vx; break;
3962                 case 61: op = rv_op_vwmacc_vx; break;
3963                 case 62: op = rv_op_vwmaccus_vx; break;
3964                 case 63: op = rv_op_vwmaccsu_vx; break;
3965                 }
3966                 break;
3967             case 7:
3968                 if (((inst >> 31) & 1) == 0) {
3969                     op = rv_op_vsetvli;
3970                 } else if ((inst >> 30) & 1) {
3971                     op = rv_op_vsetivli;
3972                 } else if (((inst >> 25) & 0b11111) == 0) {
3973                     op = rv_op_vsetvl;
3974                 }
3975                 break;
3976             }
3977             break;
3978         case 22:
3979             switch ((inst >> 12) & 0b111) {
3980             case 0: op = rv_op_addid; break;
3981             case 1:
3982                 switch ((inst >> 26) & 0b111111) {
3983                 case 0: op = rv_op_sllid; break;
3984                 }
3985                 break;
3986             case 5:
3987                 switch ((inst >> 26) & 0b111111) {
3988                 case 0: op = rv_op_srlid; break;
3989                 case 16: op = rv_op_sraid; break;
3990                 }
3991                 break;
3992             }
3993             break;
3994         case 24:
3995             switch ((inst >> 12) & 0b111) {
3996             case 0: op = rv_op_beq; break;
3997             case 1: op = rv_op_bne; break;
3998             case 4: op = rv_op_blt; break;
3999             case 5: op = rv_op_bge; break;
4000             case 6: op = rv_op_bltu; break;
4001             case 7: op = rv_op_bgeu; break;
4002             }
4003             break;
4004         case 25:
4005             switch ((inst >> 12) & 0b111) {
4006             case 0: op = rv_op_jalr; break;
4007             }
4008             break;
4009         case 27: op = rv_op_jal; break;
4010         case 28:
4011             switch ((inst >> 12) & 0b111) {
4012             case 0:
4013                 switch (((inst >> 20) & 0b111111100000) |
4014                         ((inst >> 7) & 0b000000011111)) {
4015                 case 0:
4016                     switch ((inst >> 15) & 0b1111111111) {
4017                     case 0: op = rv_op_ecall; break;
4018                     case 32: op = rv_op_ebreak; break;
4019                     case 64: op = rv_op_uret; break;
4020                     case 416: op = rv_op_wrs_nto; break;
4021                     case 928: op = rv_op_wrs_sto; break;
4022                     }
4023                     break;
4024                 case 256:
4025                     switch ((inst >> 20) & 0b11111) {
4026                     case 2:
4027                         switch ((inst >> 15) & 0b11111) {
4028                         case 0: op = rv_op_sret; break;
4029                         }
4030                         break;
4031                     case 4: op = rv_op_sfence_vm; break;
4032                     case 5:
4033                         switch ((inst >> 15) & 0b11111) {
4034                         case 0: op = rv_op_wfi; break;
4035                         }
4036                         break;
4037                     }
4038                     break;
4039                 case 288: op = rv_op_sfence_vma; break;
4040                 case 512:
4041                     switch ((inst >> 15) & 0b1111111111) {
4042                     case 64: op = rv_op_hret; break;
4043                     }
4044                     break;
4045                 case 768:
4046                     switch ((inst >> 15) & 0b1111111111) {
4047                     case 64: op = rv_op_mret; break;
4048                     }
4049                     break;
4050                 case 1952:
4051                     switch ((inst >> 15) & 0b1111111111) {
4052                     case 576: op = rv_op_dret; break;
4053                     }
4054                     break;
4055                 }
4056                 break;
4057             case 1: op = rv_op_csrrw; break;
4058             case 2: op = rv_op_csrrs; break;
4059             case 3: op = rv_op_csrrc; break;
4060             case 4:
4061                 if (dec->cfg->ext_zimop) {
4062                     int imm_mop5, imm_mop3, reg_num;
4063                     if ((extract32(inst, 22, 10) & 0b1011001111)
4064                         == 0b1000000111) {
4065                         imm_mop5 = deposit32(deposit32(extract32(inst, 20, 2),
4066                                                        2, 2,
4067                                                        extract32(inst, 26, 2)),
4068                                              4, 1, extract32(inst, 30, 1));
4069                         op = rv_mop_r_0 + imm_mop5;
4070                         /* if zicfiss enabled and mop5 is shadow stack */
4071                         if (dec->cfg->ext_zicfiss &&
4072                             ((imm_mop5 & 0b11100) == 0b11100)) {
4073                                 /* rs1=0 means ssrdp */
4074                                 if ((inst & (0b011111 << 15)) == 0) {
4075                                     op = rv_op_ssrdp;
4076                                 }
4077                                 /* rd=0 means sspopchk */
4078                                 reg_num = (inst >> 15) & 0b011111;
4079                                 if (((inst & (0b011111 << 7)) == 0) &&
4080                                     ((reg_num == 1) || (reg_num == 5))) {
4081                                     op = rv_op_sspopchk;
4082                                 }
4083                         }
4084                     } else if ((extract32(inst, 25, 7) & 0b1011001)
4085                                == 0b1000001) {
4086                         imm_mop3 = deposit32(extract32(inst, 26, 2),
4087                                              2, 1, extract32(inst, 30, 1));
4088                         op = rv_mop_rr_0 + imm_mop3;
4089                         /* if zicfiss enabled and mop3 is shadow stack */
4090                         if (dec->cfg->ext_zicfiss &&
4091                             ((imm_mop3 & 0b111) == 0b111)) {
4092                                 /* rs1=0 and rd=0 means sspush */
4093                                 reg_num = (inst >> 20) & 0b011111;
4094                                 if (((inst & (0b011111 << 15)) == 0) &&
4095                                     ((inst & (0b011111 << 7)) == 0) &&
4096                                     ((reg_num == 1) || (reg_num == 5))) {
4097                                     op = rv_op_sspush;
4098                                 }
4099                         }
4100                     }
4101                 }
4102                 break;
4103             case 5: op = rv_op_csrrwi; break;
4104             case 6: op = rv_op_csrrsi; break;
4105             case 7: op = rv_op_csrrci; break;
4106             }
4107             break;
4108         case 29:
4109             if (((inst >> 25) & 1) == 1 && ((inst >> 12) & 0b111) == 2) {
4110                 switch ((inst >> 26) & 0b111111) {
4111                 case 32: op = rv_op_vsm3me_vv; break;
4112                 case 33: op = rv_op_vsm4k_vi; break;
4113                 case 34: op = rv_op_vaeskf1_vi; break;
4114                 case 40:
4115                     switch ((inst >> 15) & 0b11111) {
4116                     case 0: op = rv_op_vaesdm_vv; break;
4117                     case 1: op = rv_op_vaesdf_vv; break;
4118                     case 2: op = rv_op_vaesem_vv; break;
4119                     case 3: op = rv_op_vaesef_vv; break;
4120                     case 16: op = rv_op_vsm4r_vv; break;
4121                     case 17: op = rv_op_vgmul_vv; break;
4122                     }
4123                     break;
4124                 case 41:
4125                     switch ((inst >> 15) & 0b11111) {
4126                     case 0: op = rv_op_vaesdm_vs; break;
4127                     case 1: op = rv_op_vaesdf_vs; break;
4128                     case 2: op = rv_op_vaesem_vs; break;
4129                     case 3: op = rv_op_vaesef_vs; break;
4130                     case 7: op = rv_op_vaesz_vs; break;
4131                     case 16: op = rv_op_vsm4r_vs; break;
4132                     }
4133                     break;
4134                 case 42: op = rv_op_vaeskf2_vi; break;
4135                 case 43: op = rv_op_vsm3c_vi; break;
4136                 case 44: op = rv_op_vghsh_vv; break;
4137                 case 45: op = rv_op_vsha2ms_vv; break;
4138                 case 46: op = rv_op_vsha2ch_vv; break;
4139                 case 47: op = rv_op_vsha2cl_vv; break;
4140                 }
4141             }
4142             break;
4143         case 30:
4144             switch (((inst >> 22) & 0b1111111000) |
4145                     ((inst >> 12) & 0b0000000111)) {
4146             case 0: op = rv_op_addd; break;
4147             case 1: op = rv_op_slld; break;
4148             case 5: op = rv_op_srld; break;
4149             case 8: op = rv_op_muld; break;
4150             case 12: op = rv_op_divd; break;
4151             case 13: op = rv_op_divud; break;
4152             case 14: op = rv_op_remd; break;
4153             case 15: op = rv_op_remud; break;
4154             case 256: op = rv_op_subd; break;
4155             case 261: op = rv_op_srad; break;
4156             }
4157             break;
4158         }
4159         break;
4160     }
4161     dec->op = op;
4162 }
4163 
4164 /* operand extractors */
4165 
4166 static uint32_t operand_rd(rv_inst inst)
4167 {
4168     return (inst << 52) >> 59;
4169 }
4170 
4171 static uint32_t operand_rs1(rv_inst inst)
4172 {
4173     return (inst << 44) >> 59;
4174 }
4175 
4176 static uint32_t operand_rs2(rv_inst inst)
4177 {
4178     return (inst << 39) >> 59;
4179 }
4180 
4181 static uint32_t operand_rs3(rv_inst inst)
4182 {
4183     return (inst << 32) >> 59;
4184 }
4185 
4186 static uint32_t operand_aq(rv_inst inst)
4187 {
4188     return (inst << 37) >> 63;
4189 }
4190 
4191 static uint32_t operand_rl(rv_inst inst)
4192 {
4193     return (inst << 38) >> 63;
4194 }
4195 
4196 static uint32_t operand_pred(rv_inst inst)
4197 {
4198     return (inst << 36) >> 60;
4199 }
4200 
4201 static uint32_t operand_succ(rv_inst inst)
4202 {
4203     return (inst << 40) >> 60;
4204 }
4205 
4206 static uint32_t operand_rm(rv_inst inst)
4207 {
4208     return (inst << 49) >> 61;
4209 }
4210 
4211 static uint32_t operand_shamt5(rv_inst inst)
4212 {
4213     return (inst << 39) >> 59;
4214 }
4215 
4216 static uint32_t operand_shamt6(rv_inst inst)
4217 {
4218     return (inst << 38) >> 58;
4219 }
4220 
4221 static uint32_t operand_shamt7(rv_inst inst)
4222 {
4223     return (inst << 37) >> 57;
4224 }
4225 
4226 static uint32_t operand_crdq(rv_inst inst)
4227 {
4228     return (inst << 59) >> 61;
4229 }
4230 
4231 static uint32_t operand_crs1q(rv_inst inst)
4232 {
4233     return (inst << 54) >> 61;
4234 }
4235 
4236 static uint32_t operand_crs1rdq(rv_inst inst)
4237 {
4238     return (inst << 54) >> 61;
4239 }
4240 
4241 static uint32_t operand_crs2q(rv_inst inst)
4242 {
4243     return (inst << 59) >> 61;
4244 }
4245 
4246 static uint32_t calculate_xreg(uint32_t sreg)
4247 {
4248     return sreg < 2 ? sreg + 8 : sreg + 16;
4249 }
4250 
4251 static uint32_t operand_sreg1(rv_inst inst)
4252 {
4253     return calculate_xreg((inst << 54) >> 61);
4254 }
4255 
4256 static uint32_t operand_sreg2(rv_inst inst)
4257 {
4258     return calculate_xreg((inst << 59) >> 61);
4259 }
4260 
4261 static uint32_t operand_crd(rv_inst inst)
4262 {
4263     return (inst << 52) >> 59;
4264 }
4265 
4266 static uint32_t operand_crs1(rv_inst inst)
4267 {
4268     return (inst << 52) >> 59;
4269 }
4270 
4271 static uint32_t operand_crs1rd(rv_inst inst)
4272 {
4273     return (inst << 52) >> 59;
4274 }
4275 
4276 static uint32_t operand_crs2(rv_inst inst)
4277 {
4278     return (inst << 57) >> 59;
4279 }
4280 
4281 static uint32_t operand_cimmsh5(rv_inst inst)
4282 {
4283     return (inst << 57) >> 59;
4284 }
4285 
4286 static uint32_t operand_csr12(rv_inst inst)
4287 {
4288     return (inst << 32) >> 52;
4289 }
4290 
4291 static int32_t operand_imm12(rv_inst inst)
4292 {
4293     return ((int64_t)inst << 32) >> 52;
4294 }
4295 
4296 static int32_t operand_imm20(rv_inst inst)
4297 {
4298     return (((int64_t)inst << 32) >> 44) << 12;
4299 }
4300 
4301 static int32_t operand_jimm20(rv_inst inst)
4302 {
4303     return (((int64_t)inst << 32) >> 63) << 20 |
4304         ((inst << 33) >> 54) << 1 |
4305         ((inst << 43) >> 63) << 11 |
4306         ((inst << 44) >> 56) << 12;
4307 }
4308 
4309 static int32_t operand_simm12(rv_inst inst)
4310 {
4311     return (((int64_t)inst << 32) >> 57) << 5 |
4312         (inst << 52) >> 59;
4313 }
4314 
4315 static int32_t operand_sbimm12(rv_inst inst)
4316 {
4317     return (((int64_t)inst << 32) >> 63) << 12 |
4318         ((inst << 33) >> 58) << 5 |
4319         ((inst << 52) >> 60) << 1 |
4320         ((inst << 56) >> 63) << 11;
4321 }
4322 
4323 static uint32_t operand_cimmshl6(rv_inst inst, rv_isa isa)
4324 {
4325     int imm = ((inst << 51) >> 63) << 5 |
4326         (inst << 57) >> 59;
4327     if (isa == rv128) {
4328         imm = imm ? imm : 64;
4329     }
4330     return imm;
4331 }
4332 
4333 static uint32_t operand_cimmshr6(rv_inst inst, rv_isa isa)
4334 {
4335     int imm = ((inst << 51) >> 63) << 5 |
4336         (inst << 57) >> 59;
4337     if (isa == rv128) {
4338         imm = imm | (imm & 32) << 1;
4339         imm = imm ? imm : 64;
4340     }
4341     return imm;
4342 }
4343 
4344 static int32_t operand_cimmi(rv_inst inst)
4345 {
4346     return (((int64_t)inst << 51) >> 63) << 5 |
4347         (inst << 57) >> 59;
4348 }
4349 
4350 static int32_t operand_cimmui(rv_inst inst)
4351 {
4352     return (((int64_t)inst << 51) >> 63) << 17 |
4353         ((inst << 57) >> 59) << 12;
4354 }
4355 
4356 static uint32_t operand_cimmlwsp(rv_inst inst)
4357 {
4358     return ((inst << 51) >> 63) << 5 |
4359         ((inst << 57) >> 61) << 2 |
4360         ((inst << 60) >> 62) << 6;
4361 }
4362 
4363 static uint32_t operand_cimmldsp(rv_inst inst)
4364 {
4365     return ((inst << 51) >> 63) << 5 |
4366         ((inst << 57) >> 62) << 3 |
4367         ((inst << 59) >> 61) << 6;
4368 }
4369 
4370 static uint32_t operand_cimmlqsp(rv_inst inst)
4371 {
4372     return ((inst << 51) >> 63) << 5 |
4373         ((inst << 57) >> 63) << 4 |
4374         ((inst << 58) >> 60) << 6;
4375 }
4376 
4377 static int32_t operand_cimm16sp(rv_inst inst)
4378 {
4379     return (((int64_t)inst << 51) >> 63) << 9 |
4380         ((inst << 57) >> 63) << 4 |
4381         ((inst << 58) >> 63) << 6 |
4382         ((inst << 59) >> 62) << 7 |
4383         ((inst << 61) >> 63) << 5;
4384 }
4385 
4386 static int32_t operand_cimmj(rv_inst inst)
4387 {
4388     return (((int64_t)inst << 51) >> 63) << 11 |
4389         ((inst << 52) >> 63) << 4 |
4390         ((inst << 53) >> 62) << 8 |
4391         ((inst << 55) >> 63) << 10 |
4392         ((inst << 56) >> 63) << 6 |
4393         ((inst << 57) >> 63) << 7 |
4394         ((inst << 58) >> 61) << 1 |
4395         ((inst << 61) >> 63) << 5;
4396 }
4397 
4398 static int32_t operand_cimmb(rv_inst inst)
4399 {
4400     return (((int64_t)inst << 51) >> 63) << 8 |
4401         ((inst << 52) >> 62) << 3 |
4402         ((inst << 57) >> 62) << 6 |
4403         ((inst << 59) >> 62) << 1 |
4404         ((inst << 61) >> 63) << 5;
4405 }
4406 
4407 static uint32_t operand_cimmswsp(rv_inst inst)
4408 {
4409     return ((inst << 51) >> 60) << 2 |
4410         ((inst << 55) >> 62) << 6;
4411 }
4412 
4413 static uint32_t operand_cimmsdsp(rv_inst inst)
4414 {
4415     return ((inst << 51) >> 61) << 3 |
4416         ((inst << 54) >> 61) << 6;
4417 }
4418 
4419 static uint32_t operand_cimmsqsp(rv_inst inst)
4420 {
4421     return ((inst << 51) >> 62) << 4 |
4422         ((inst << 53) >> 60) << 6;
4423 }
4424 
4425 static uint32_t operand_cimm4spn(rv_inst inst)
4426 {
4427     return ((inst << 51) >> 62) << 4 |
4428         ((inst << 53) >> 60) << 6 |
4429         ((inst << 57) >> 63) << 2 |
4430         ((inst << 58) >> 63) << 3;
4431 }
4432 
4433 static uint32_t operand_cimmw(rv_inst inst)
4434 {
4435     return ((inst << 51) >> 61) << 3 |
4436         ((inst << 57) >> 63) << 2 |
4437         ((inst << 58) >> 63) << 6;
4438 }
4439 
4440 static uint32_t operand_cimmd(rv_inst inst)
4441 {
4442     return ((inst << 51) >> 61) << 3 |
4443         ((inst << 57) >> 62) << 6;
4444 }
4445 
4446 static uint32_t operand_cimmq(rv_inst inst)
4447 {
4448     return ((inst << 51) >> 62) << 4 |
4449         ((inst << 53) >> 63) << 8 |
4450         ((inst << 57) >> 62) << 6;
4451 }
4452 
4453 static uint32_t operand_vimm(rv_inst inst)
4454 {
4455     return (int64_t)(inst << 44) >> 59;
4456 }
4457 
4458 static uint32_t operand_vzimm11(rv_inst inst)
4459 {
4460     return (inst << 33) >> 53;
4461 }
4462 
4463 static uint32_t operand_vzimm10(rv_inst inst)
4464 {
4465     return (inst << 34) >> 54;
4466 }
4467 
4468 static uint32_t operand_vzimm6(rv_inst inst)
4469 {
4470     return ((inst << 37) >> 63) << 5 |
4471         ((inst << 44) >> 59);
4472 }
4473 
4474 static uint32_t operand_bs(rv_inst inst)
4475 {
4476     return (inst << 32) >> 62;
4477 }
4478 
4479 static uint32_t operand_rnum(rv_inst inst)
4480 {
4481     return (inst << 40) >> 60;
4482 }
4483 
4484 static uint32_t operand_vm(rv_inst inst)
4485 {
4486     return (inst << 38) >> 63;
4487 }
4488 
4489 static uint32_t operand_uimm_c_lb(rv_inst inst)
4490 {
4491     return (((inst << 58) >> 63) << 1) |
4492         ((inst << 57) >> 63);
4493 }
4494 
4495 static uint32_t operand_uimm_c_lh(rv_inst inst)
4496 {
4497     return (((inst << 58) >> 63) << 1);
4498 }
4499 
4500 static uint32_t operand_zcmp_spimm(rv_inst inst)
4501 {
4502     return ((inst << 60) >> 62) << 4;
4503 }
4504 
4505 static uint32_t operand_zcmp_rlist(rv_inst inst)
4506 {
4507     return ((inst << 56) >> 60);
4508 }
4509 
4510 static uint32_t operand_imm6(rv_inst inst)
4511 {
4512     return (inst << 38) >> 60;
4513 }
4514 
4515 static uint32_t operand_imm2(rv_inst inst)
4516 {
4517     return (inst << 37) >> 62;
4518 }
4519 
4520 static uint32_t operand_immh(rv_inst inst)
4521 {
4522     return (inst << 32) >> 58;
4523 }
4524 
4525 static uint32_t operand_imml(rv_inst inst)
4526 {
4527     return (inst << 38) >> 58;
4528 }
4529 
4530 static uint32_t calculate_stack_adj(rv_isa isa, uint32_t rlist, uint32_t spimm)
4531 {
4532     int xlen_bytes_log2 = isa == rv64 ? 3 : 2;
4533     int regs = rlist == 15 ? 13 : rlist - 3;
4534     uint32_t stack_adj_base = ROUND_UP(regs << xlen_bytes_log2, 16);
4535     return stack_adj_base + spimm;
4536 }
4537 
4538 static uint32_t operand_zcmp_stack_adj(rv_inst inst, rv_isa isa)
4539 {
4540     return calculate_stack_adj(isa, operand_zcmp_rlist(inst),
4541                                operand_zcmp_spimm(inst));
4542 }
4543 
4544 static uint32_t operand_tbl_index(rv_inst inst)
4545 {
4546     return ((inst << 54) >> 56);
4547 }
4548 
4549 static uint32_t operand_lpl(rv_inst inst)
4550 {
4551     return inst >> 12;
4552 }
4553 
4554 /* decode operands */
4555 
4556 static void decode_inst_operands(rv_decode *dec, rv_isa isa)
4557 {
4558     const rv_opcode_data *opcode_data = dec->opcode_data;
4559     rv_inst inst = dec->inst;
4560     dec->codec = opcode_data[dec->op].codec;
4561     switch (dec->codec) {
4562     case rv_codec_none:
4563         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4564         dec->imm = 0;
4565         break;
4566     case rv_codec_u:
4567         dec->rd = operand_rd(inst);
4568         dec->rs1 = dec->rs2 = rv_ireg_zero;
4569         dec->imm = operand_imm20(inst);
4570         break;
4571     case rv_codec_uj:
4572         dec->rd = operand_rd(inst);
4573         dec->rs1 = dec->rs2 = rv_ireg_zero;
4574         dec->imm = operand_jimm20(inst);
4575         break;
4576     case rv_codec_i:
4577         dec->rd = operand_rd(inst);
4578         dec->rs1 = operand_rs1(inst);
4579         dec->rs2 = rv_ireg_zero;
4580         dec->imm = operand_imm12(inst);
4581         break;
4582     case rv_codec_i_sh5:
4583         dec->rd = operand_rd(inst);
4584         dec->rs1 = operand_rs1(inst);
4585         dec->rs2 = rv_ireg_zero;
4586         dec->imm = operand_shamt5(inst);
4587         break;
4588     case rv_codec_i_sh6:
4589         dec->rd = operand_rd(inst);
4590         dec->rs1 = operand_rs1(inst);
4591         dec->rs2 = rv_ireg_zero;
4592         dec->imm = operand_shamt6(inst);
4593         break;
4594     case rv_codec_i_sh7:
4595         dec->rd = operand_rd(inst);
4596         dec->rs1 = operand_rs1(inst);
4597         dec->rs2 = rv_ireg_zero;
4598         dec->imm = operand_shamt7(inst);
4599         break;
4600     case rv_codec_i_csr:
4601         dec->rd = operand_rd(inst);
4602         dec->rs1 = operand_rs1(inst);
4603         dec->rs2 = rv_ireg_zero;
4604         dec->imm = operand_csr12(inst);
4605         break;
4606     case rv_codec_s:
4607         dec->rd = rv_ireg_zero;
4608         dec->rs1 = operand_rs1(inst);
4609         dec->rs2 = operand_rs2(inst);
4610         dec->imm = operand_simm12(inst);
4611         break;
4612     case rv_codec_sb:
4613         dec->rd = rv_ireg_zero;
4614         dec->rs1 = operand_rs1(inst);
4615         dec->rs2 = operand_rs2(inst);
4616         dec->imm = operand_sbimm12(inst);
4617         break;
4618     case rv_codec_r:
4619         dec->rd = operand_rd(inst);
4620         dec->rs1 = operand_rs1(inst);
4621         dec->rs2 = operand_rs2(inst);
4622         dec->imm = 0;
4623         break;
4624     case rv_codec_r_m:
4625         dec->rd = operand_rd(inst);
4626         dec->rs1 = operand_rs1(inst);
4627         dec->rs2 = operand_rs2(inst);
4628         dec->imm = 0;
4629         dec->rm = operand_rm(inst);
4630         break;
4631     case rv_codec_r4_m:
4632         dec->rd = operand_rd(inst);
4633         dec->rs1 = operand_rs1(inst);
4634         dec->rs2 = operand_rs2(inst);
4635         dec->rs3 = operand_rs3(inst);
4636         dec->imm = 0;
4637         dec->rm = operand_rm(inst);
4638         break;
4639     case rv_codec_r_a:
4640         dec->rd = operand_rd(inst);
4641         dec->rs1 = operand_rs1(inst);
4642         dec->rs2 = operand_rs2(inst);
4643         dec->imm = 0;
4644         dec->aq = operand_aq(inst);
4645         dec->rl = operand_rl(inst);
4646         break;
4647     case rv_codec_r_l:
4648         dec->rd = operand_rd(inst);
4649         dec->rs1 = operand_rs1(inst);
4650         dec->rs2 = rv_ireg_zero;
4651         dec->imm = 0;
4652         dec->aq = operand_aq(inst);
4653         dec->rl = operand_rl(inst);
4654         break;
4655     case rv_codec_r_f:
4656         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4657         dec->pred = operand_pred(inst);
4658         dec->succ = operand_succ(inst);
4659         dec->imm = 0;
4660         break;
4661     case rv_codec_cb:
4662         dec->rd = rv_ireg_zero;
4663         dec->rs1 = operand_crs1q(inst) + 8;
4664         dec->rs2 = rv_ireg_zero;
4665         dec->imm = operand_cimmb(inst);
4666         break;
4667     case rv_codec_cb_imm:
4668         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4669         dec->rs2 = rv_ireg_zero;
4670         dec->imm = operand_cimmi(inst);
4671         break;
4672     case rv_codec_cb_sh5:
4673         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4674         dec->rs2 = rv_ireg_zero;
4675         dec->imm = operand_cimmsh5(inst);
4676         break;
4677     case rv_codec_cb_sh6:
4678         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4679         dec->rs2 = rv_ireg_zero;
4680         dec->imm = operand_cimmshr6(inst, isa);
4681         break;
4682     case rv_codec_ci:
4683         dec->rd = dec->rs1 = operand_crs1rd(inst);
4684         dec->rs2 = rv_ireg_zero;
4685         dec->imm = operand_cimmi(inst);
4686         break;
4687     case rv_codec_ci_sh5:
4688         dec->rd = dec->rs1 = operand_crs1rd(inst);
4689         dec->rs2 = rv_ireg_zero;
4690         dec->imm = operand_cimmsh5(inst);
4691         break;
4692     case rv_codec_ci_sh6:
4693         dec->rd = dec->rs1 = operand_crs1rd(inst);
4694         dec->rs2 = rv_ireg_zero;
4695         dec->imm = operand_cimmshl6(inst, isa);
4696         break;
4697     case rv_codec_ci_16sp:
4698         dec->rd = rv_ireg_sp;
4699         dec->rs1 = rv_ireg_sp;
4700         dec->rs2 = rv_ireg_zero;
4701         dec->imm = operand_cimm16sp(inst);
4702         break;
4703     case rv_codec_ci_lwsp:
4704         dec->rd = operand_crd(inst);
4705         dec->rs1 = rv_ireg_sp;
4706         dec->rs2 = rv_ireg_zero;
4707         dec->imm = operand_cimmlwsp(inst);
4708         break;
4709     case rv_codec_ci_ldsp:
4710         dec->rd = operand_crd(inst);
4711         dec->rs1 = rv_ireg_sp;
4712         dec->rs2 = rv_ireg_zero;
4713         dec->imm = operand_cimmldsp(inst);
4714         break;
4715     case rv_codec_ci_lqsp:
4716         dec->rd = operand_crd(inst);
4717         dec->rs1 = rv_ireg_sp;
4718         dec->rs2 = rv_ireg_zero;
4719         dec->imm = operand_cimmlqsp(inst);
4720         break;
4721     case rv_codec_ci_li:
4722         dec->rd = operand_crd(inst);
4723         dec->rs1 = rv_ireg_zero;
4724         dec->rs2 = rv_ireg_zero;
4725         dec->imm = operand_cimmi(inst);
4726         break;
4727     case rv_codec_ci_lui:
4728         dec->rd = operand_crd(inst);
4729         dec->rs1 = rv_ireg_zero;
4730         dec->rs2 = rv_ireg_zero;
4731         dec->imm = operand_cimmui(inst);
4732         break;
4733     case rv_codec_ci_none:
4734         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4735         dec->imm = 0;
4736         break;
4737     case rv_codec_ciw_4spn:
4738         dec->rd = operand_crdq(inst) + 8;
4739         dec->rs1 = rv_ireg_sp;
4740         dec->rs2 = rv_ireg_zero;
4741         dec->imm = operand_cimm4spn(inst);
4742         break;
4743     case rv_codec_cj:
4744         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4745         dec->imm = operand_cimmj(inst);
4746         break;
4747     case rv_codec_cj_jal:
4748         dec->rd = rv_ireg_ra;
4749         dec->rs1 = dec->rs2 = rv_ireg_zero;
4750         dec->imm = operand_cimmj(inst);
4751         break;
4752     case rv_codec_cl_lw:
4753         dec->rd = operand_crdq(inst) + 8;
4754         dec->rs1 = operand_crs1q(inst) + 8;
4755         dec->rs2 = rv_ireg_zero;
4756         dec->imm = operand_cimmw(inst);
4757         break;
4758     case rv_codec_cl_ld:
4759         dec->rd = operand_crdq(inst) + 8;
4760         dec->rs1 = operand_crs1q(inst) + 8;
4761         dec->rs2 = rv_ireg_zero;
4762         dec->imm = operand_cimmd(inst);
4763         break;
4764     case rv_codec_cl_lq:
4765         dec->rd = operand_crdq(inst) + 8;
4766         dec->rs1 = operand_crs1q(inst) + 8;
4767         dec->rs2 = rv_ireg_zero;
4768         dec->imm = operand_cimmq(inst);
4769         break;
4770     case rv_codec_cr:
4771         dec->rd = dec->rs1 = operand_crs1rd(inst);
4772         dec->rs2 = operand_crs2(inst);
4773         dec->imm = 0;
4774         break;
4775     case rv_codec_cr_mv:
4776         dec->rd = operand_crd(inst);
4777         dec->rs1 = operand_crs2(inst);
4778         dec->rs2 = rv_ireg_zero;
4779         dec->imm = 0;
4780         break;
4781     case rv_codec_cr_jalr:
4782         dec->rd = rv_ireg_ra;
4783         dec->rs1 = operand_crs1(inst);
4784         dec->rs2 = rv_ireg_zero;
4785         dec->imm = 0;
4786         break;
4787     case rv_codec_cr_jr:
4788         dec->rd = rv_ireg_zero;
4789         dec->rs1 = operand_crs1(inst);
4790         dec->rs2 = rv_ireg_zero;
4791         dec->imm = 0;
4792         break;
4793     case rv_codec_cs:
4794         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4795         dec->rs2 = operand_crs2q(inst) + 8;
4796         dec->imm = 0;
4797         break;
4798     case rv_codec_cs_sw:
4799         dec->rd = rv_ireg_zero;
4800         dec->rs1 = operand_crs1q(inst) + 8;
4801         dec->rs2 = operand_crs2q(inst) + 8;
4802         dec->imm = operand_cimmw(inst);
4803         break;
4804     case rv_codec_cs_sd:
4805         dec->rd = rv_ireg_zero;
4806         dec->rs1 = operand_crs1q(inst) + 8;
4807         dec->rs2 = operand_crs2q(inst) + 8;
4808         dec->imm = operand_cimmd(inst);
4809         break;
4810     case rv_codec_cs_sq:
4811         dec->rd = rv_ireg_zero;
4812         dec->rs1 = operand_crs1q(inst) + 8;
4813         dec->rs2 = operand_crs2q(inst) + 8;
4814         dec->imm = operand_cimmq(inst);
4815         break;
4816     case rv_codec_css_swsp:
4817         dec->rd = rv_ireg_zero;
4818         dec->rs1 = rv_ireg_sp;
4819         dec->rs2 = operand_crs2(inst);
4820         dec->imm = operand_cimmswsp(inst);
4821         break;
4822     case rv_codec_css_sdsp:
4823         dec->rd = rv_ireg_zero;
4824         dec->rs1 = rv_ireg_sp;
4825         dec->rs2 = operand_crs2(inst);
4826         dec->imm = operand_cimmsdsp(inst);
4827         break;
4828     case rv_codec_css_sqsp:
4829         dec->rd = rv_ireg_zero;
4830         dec->rs1 = rv_ireg_sp;
4831         dec->rs2 = operand_crs2(inst);
4832         dec->imm = operand_cimmsqsp(inst);
4833         break;
4834     case rv_codec_k_bs:
4835         dec->rs1 = operand_rs1(inst);
4836         dec->rs2 = operand_rs2(inst);
4837         dec->bs = operand_bs(inst);
4838         break;
4839     case rv_codec_k_rnum:
4840         dec->rd = operand_rd(inst);
4841         dec->rs1 = operand_rs1(inst);
4842         dec->rnum = operand_rnum(inst);
4843         break;
4844     case rv_codec_v_r:
4845         dec->rd = operand_rd(inst);
4846         dec->rs1 = operand_rs1(inst);
4847         dec->rs2 = operand_rs2(inst);
4848         dec->vm = operand_vm(inst);
4849         break;
4850     case rv_codec_v_ldst:
4851         dec->rd = operand_rd(inst);
4852         dec->rs1 = operand_rs1(inst);
4853         dec->vm = operand_vm(inst);
4854         break;
4855     case rv_codec_v_i:
4856         dec->rd = operand_rd(inst);
4857         dec->rs2 = operand_rs2(inst);
4858         dec->imm = operand_vimm(inst);
4859         dec->vm = operand_vm(inst);
4860         break;
4861     case rv_codec_vror_vi:
4862         dec->rd = operand_rd(inst);
4863         dec->rs2 = operand_rs2(inst);
4864         dec->imm = operand_vzimm6(inst);
4865         dec->vm = operand_vm(inst);
4866         break;
4867     case rv_codec_vsetvli:
4868         dec->rd = operand_rd(inst);
4869         dec->rs1 = operand_rs1(inst);
4870         dec->vzimm = operand_vzimm11(inst);
4871         break;
4872     case rv_codec_vsetivli:
4873         dec->rd = operand_rd(inst);
4874         dec->imm = extract32(inst, 15, 5);
4875         dec->vzimm = operand_vzimm10(inst);
4876         break;
4877     case rv_codec_zcb_lb:
4878         dec->rs1 = operand_crs1q(inst) + 8;
4879         dec->rs2 = operand_crs2q(inst) + 8;
4880         dec->imm = operand_uimm_c_lb(inst);
4881         break;
4882     case rv_codec_zcb_lh:
4883         dec->rs1 = operand_crs1q(inst) + 8;
4884         dec->rs2 = operand_crs2q(inst) + 8;
4885         dec->imm = operand_uimm_c_lh(inst);
4886         break;
4887     case rv_codec_zcb_ext:
4888         dec->rd = operand_crs1q(inst) + 8;
4889         break;
4890     case rv_codec_zcb_mul:
4891         dec->rd = operand_crs1rdq(inst) + 8;
4892         dec->rs2 = operand_crs2q(inst) + 8;
4893         break;
4894     case rv_codec_zcmp_cm_pushpop:
4895         dec->imm = operand_zcmp_stack_adj(inst, isa);
4896         dec->rlist = operand_zcmp_rlist(inst);
4897         break;
4898     case rv_codec_zcmp_cm_mv:
4899         dec->rd = operand_sreg1(inst);
4900         dec->rs2 = operand_sreg2(inst);
4901         break;
4902     case rv_codec_zcmt_jt:
4903         dec->imm = operand_tbl_index(inst);
4904         break;
4905     case rv_codec_fli:
4906         dec->rd = operand_rd(inst);
4907         dec->imm = operand_rs1(inst);
4908         break;
4909     case rv_codec_r2_imm5:
4910         dec->rd = operand_rd(inst);
4911         dec->rs1 = operand_rs1(inst);
4912         dec->imm = operand_rs2(inst);
4913         break;
4914     case rv_codec_r2:
4915         dec->rd = operand_rd(inst);
4916         dec->rs1 = operand_rs1(inst);
4917         break;
4918     case rv_codec_r2_imm6:
4919         dec->rd = operand_rd(inst);
4920         dec->rs1 = operand_rs1(inst);
4921         dec->imm = operand_imm6(inst);
4922         break;
4923     case rv_codec_r_imm2:
4924         dec->rd = operand_rd(inst);
4925         dec->rs1 = operand_rs1(inst);
4926         dec->rs2 = operand_rs2(inst);
4927         dec->imm = operand_imm2(inst);
4928         break;
4929     case rv_codec_r2_immhl:
4930         dec->rd = operand_rd(inst);
4931         dec->rs1 = operand_rs1(inst);
4932         dec->imm = operand_immh(inst);
4933         dec->imm1 = operand_imml(inst);
4934         break;
4935     case rv_codec_r2_imm2_imm5:
4936         dec->rd = operand_rd(inst);
4937         dec->rs1 = operand_rs1(inst);
4938         dec->imm = sextract32(operand_rs2(inst), 0, 5);
4939         dec->imm1 = operand_imm2(inst);
4940         break;
4941     case rv_codec_lp:
4942         dec->imm = operand_lpl(inst);
4943         break;
4944     case rv_codec_cmop_ss:
4945         dec->rd = rv_ireg_zero;
4946         dec->rs1 = dec->rs2 = operand_crs1(inst);
4947         dec->imm = 0;
4948         break;
4949     };
4950 }
4951 
4952 /* check constraint */
4953 
4954 static bool check_constraints(rv_decode *dec, const rvc_constraint *c)
4955 {
4956     int32_t imm = dec->imm;
4957     uint8_t rd = dec->rd, rs1 = dec->rs1, rs2 = dec->rs2;
4958     while (*c != rvc_end) {
4959         switch (*c) {
4960         case rvc_rd_eq_ra:
4961             if (!(rd == 1)) {
4962                 return false;
4963             }
4964             break;
4965         case rvc_rd_eq_x0:
4966             if (!(rd == 0)) {
4967                 return false;
4968             }
4969             break;
4970         case rvc_rs1_eq_x0:
4971             if (!(rs1 == 0)) {
4972                 return false;
4973             }
4974             break;
4975         case rvc_rs2_eq_x0:
4976             if (!(rs2 == 0)) {
4977                 return false;
4978             }
4979             break;
4980         case rvc_rs2_eq_rs1:
4981             if (!(rs2 == rs1)) {
4982                 return false;
4983             }
4984             break;
4985         case rvc_rs1_eq_ra:
4986             if (!(rs1 == 1)) {
4987                 return false;
4988             }
4989             break;
4990         case rvc_imm_eq_zero:
4991             if (!(imm == 0)) {
4992                 return false;
4993             }
4994             break;
4995         case rvc_imm_eq_n1:
4996             if (!(imm == -1)) {
4997                 return false;
4998             }
4999             break;
5000         case rvc_imm_eq_p1:
5001             if (!(imm == 1)) {
5002                 return false;
5003             }
5004             break;
5005         case rvc_csr_eq_0x001:
5006             if (!(imm == 0x001)) {
5007                 return false;
5008             }
5009             break;
5010         case rvc_csr_eq_0x002:
5011             if (!(imm == 0x002)) {
5012                 return false;
5013             }
5014             break;
5015         case rvc_csr_eq_0x003:
5016             if (!(imm == 0x003)) {
5017                 return false;
5018             }
5019             break;
5020         case rvc_csr_eq_0xc00:
5021             if (!(imm == 0xc00)) {
5022                 return false;
5023             }
5024             break;
5025         case rvc_csr_eq_0xc01:
5026             if (!(imm == 0xc01)) {
5027                 return false;
5028             }
5029             break;
5030         case rvc_csr_eq_0xc02:
5031             if (!(imm == 0xc02)) {
5032                 return false;
5033             }
5034             break;
5035         case rvc_csr_eq_0xc80:
5036             if (!(imm == 0xc80)) {
5037                 return false;
5038             }
5039             break;
5040         case rvc_csr_eq_0xc81:
5041             if (!(imm == 0xc81)) {
5042                 return false;
5043             }
5044             break;
5045         case rvc_csr_eq_0xc82:
5046             if (!(imm == 0xc82)) {
5047                 return false;
5048             }
5049             break;
5050         default: break;
5051         }
5052         c++;
5053     }
5054     return true;
5055 }
5056 
5057 /* instruction length */
5058 
5059 static size_t inst_length(rv_inst inst)
5060 {
5061     /* NOTE: supports maximum instruction size of 64-bits */
5062 
5063     /*
5064      * instruction length coding
5065      *
5066      *      aa - 16 bit aa != 11
5067      *   bbb11 - 32 bit bbb != 111
5068      *  011111 - 48 bit
5069      * 0111111 - 64 bit
5070      */
5071 
5072     return (inst &      0b11) != 0b11      ? 2
5073          : (inst &   0b11100) != 0b11100   ? 4
5074          : (inst &  0b111111) == 0b011111  ? 6
5075          : (inst & 0b1111111) == 0b0111111 ? 8
5076          : 0;
5077 }
5078 
5079 /* format instruction */
5080 
5081 static GString *format_inst(size_t tab, rv_decode *dec)
5082 {
5083     const rv_opcode_data *opcode_data = dec->opcode_data;
5084     GString *buf = g_string_sized_new(64);
5085     const char *fmt;
5086 
5087     fmt = opcode_data[dec->op].format;
5088     while (*fmt) {
5089         switch (*fmt) {
5090         case 'O':
5091             g_string_append(buf, opcode_data[dec->op].name);
5092             break;
5093         case '(':
5094         case ',':
5095         case ')':
5096         case '-':
5097             g_string_append_c(buf, *fmt);
5098             break;
5099         case 'b':
5100             g_string_append_printf(buf, "%d", dec->bs);
5101             break;
5102         case 'n':
5103             g_string_append_printf(buf, "%d", dec->rnum);
5104             break;
5105         case '0':
5106             g_string_append(buf, rv_ireg_name_sym[dec->rd]);
5107             break;
5108         case '1':
5109             g_string_append(buf, rv_ireg_name_sym[dec->rs1]);
5110             break;
5111         case '2':
5112             g_string_append(buf, rv_ireg_name_sym[dec->rs2]);
5113             break;
5114         case '3':
5115             if (dec->cfg->ext_zfinx) {
5116                 g_string_append(buf, rv_ireg_name_sym[dec->rd]);
5117             } else {
5118                 g_string_append(buf, rv_freg_name_sym[dec->rd]);
5119             }
5120             break;
5121         case '4':
5122             if (dec->cfg->ext_zfinx) {
5123                 g_string_append(buf, rv_ireg_name_sym[dec->rs1]);
5124             } else {
5125                 g_string_append(buf, rv_freg_name_sym[dec->rs1]);
5126             }
5127             break;
5128         case '5':
5129             if (dec->cfg->ext_zfinx) {
5130                 g_string_append(buf, rv_ireg_name_sym[dec->rs2]);
5131             } else {
5132                 g_string_append(buf, rv_freg_name_sym[dec->rs2]);
5133             }
5134             break;
5135         case '6':
5136             if (dec->cfg->ext_zfinx) {
5137                 g_string_append(buf, rv_ireg_name_sym[dec->rs3]);
5138             } else {
5139                 g_string_append(buf, rv_freg_name_sym[dec->rs3]);
5140             }
5141             break;
5142         case '7':
5143             g_string_append_printf(buf, "%d", dec->rs1);
5144             break;
5145         case 'i':
5146             g_string_append_printf(buf, "%d", dec->imm);
5147             break;
5148         case 'u':
5149             g_string_append_printf(buf, "%u", ((uint32_t)dec->imm & 0b111111));
5150             break;
5151         case 'j':
5152             g_string_append_printf(buf, "%d", dec->imm1);
5153             break;
5154         case 'o':
5155             g_string_append_printf(buf, "%d", dec->imm);
5156             while (buf->len < tab * 2) {
5157                 g_string_append_c(buf, ' ');
5158             }
5159             g_string_append_printf(buf, "# 0x%" PRIx64, dec->pc + dec->imm);
5160             break;
5161         case 'U':
5162             fmt++;
5163             g_string_append_printf(buf, "%d", dec->imm >> 12);
5164             if (*fmt == 'o') {
5165                 while (buf->len < tab * 2) {
5166                     g_string_append_c(buf, ' ');
5167                 }
5168                 g_string_append_printf(buf, "# 0x%" PRIx64, dec->pc + dec->imm);
5169             }
5170             break;
5171         case 'c': {
5172             const char *name = csr_name(dec->imm & 0xfff);
5173             if (name) {
5174                 g_string_append(buf, name);
5175             } else {
5176                 g_string_append_printf(buf, "0x%03x", dec->imm & 0xfff);
5177             }
5178             break;
5179         }
5180         case 'r':
5181             switch (dec->rm) {
5182             case rv_rm_rne:
5183                 g_string_append(buf, "rne");
5184                 break;
5185             case rv_rm_rtz:
5186                 g_string_append(buf, "rtz");
5187                 break;
5188             case rv_rm_rdn:
5189                 g_string_append(buf, "rdn");
5190                 break;
5191             case rv_rm_rup:
5192                 g_string_append(buf, "rup");
5193                 break;
5194             case rv_rm_rmm:
5195                 g_string_append(buf, "rmm");
5196                 break;
5197             case rv_rm_dyn:
5198                 g_string_append(buf, "dyn");
5199                 break;
5200             default:
5201                 g_string_append(buf, "inv");
5202                 break;
5203             }
5204             break;
5205         case 'p':
5206             if (dec->pred & rv_fence_i) {
5207                 g_string_append_c(buf, 'i');
5208             }
5209             if (dec->pred & rv_fence_o) {
5210                 g_string_append_c(buf, 'o');
5211             }
5212             if (dec->pred & rv_fence_r) {
5213                 g_string_append_c(buf, 'r');
5214             }
5215             if (dec->pred & rv_fence_w) {
5216                 g_string_append_c(buf, 'w');
5217             }
5218             break;
5219         case 's':
5220             if (dec->succ & rv_fence_i) {
5221                 g_string_append_c(buf, 'i');
5222             }
5223             if (dec->succ & rv_fence_o) {
5224                 g_string_append_c(buf, 'o');
5225             }
5226             if (dec->succ & rv_fence_r) {
5227                 g_string_append_c(buf, 'r');
5228             }
5229             if (dec->succ & rv_fence_w) {
5230                 g_string_append_c(buf, 'w');
5231             }
5232             break;
5233         case '\t':
5234             while (buf->len < tab) {
5235                 g_string_append_c(buf, ' ');
5236             }
5237             break;
5238         case 'A':
5239             if (dec->aq) {
5240                 g_string_append(buf, ".aq");
5241             }
5242             break;
5243         case 'R':
5244             if (dec->rl) {
5245                 g_string_append(buf, ".rl");
5246             }
5247             break;
5248         case 'l':
5249             g_string_append(buf, ",v0");
5250             break;
5251         case 'm':
5252             if (dec->vm == 0) {
5253                 g_string_append(buf, ",v0.t");
5254             }
5255             break;
5256         case 'D':
5257             g_string_append(buf, rv_vreg_name_sym[dec->rd]);
5258             break;
5259         case 'E':
5260             g_string_append(buf, rv_vreg_name_sym[dec->rs1]);
5261             break;
5262         case 'F':
5263             g_string_append(buf, rv_vreg_name_sym[dec->rs2]);
5264             break;
5265         case 'G':
5266             g_string_append(buf, rv_vreg_name_sym[dec->rs3]);
5267             break;
5268         case 'v': {
5269             const int sew = 1 << (((dec->vzimm >> 3) & 0b111) + 3);
5270             const int lmul = dec->vzimm & 0b11;
5271             const int flmul = (dec->vzimm >> 2) & 1;
5272             const char *vta = (dec->vzimm >> 6) & 1 ? "ta" : "tu";
5273             const char *vma = (dec->vzimm >> 7) & 1 ? "ma" : "mu";
5274 
5275             g_string_append_printf(buf, "e%d,m", sew);
5276             if (flmul) {
5277                 switch (lmul) {
5278                 case 3:
5279                     g_string_append(buf, "f2");
5280                     break;
5281                 case 2:
5282                     g_string_append(buf, "f4");
5283                     break;
5284                 case 1:
5285                     g_string_append(buf, "f8");
5286                     break;
5287                 }
5288             } else {
5289                 g_string_append_printf(buf, "%d", 1 << lmul);
5290             }
5291             g_string_append_c(buf, ',');
5292             g_string_append(buf, vta);
5293             g_string_append_c(buf, ',');
5294             g_string_append(buf, vma);
5295             break;
5296         }
5297         case 'x': {
5298             switch (dec->rlist) {
5299             case 4:
5300                 g_string_append(buf, "{ra}");
5301                 break;
5302             case 5:
5303                 g_string_append(buf, "{ra, s0}");
5304                 break;
5305             case 15:
5306                 g_string_append(buf, "{ra, s0-s11}");
5307                 break;
5308             default:
5309                 g_string_append_printf(buf, "{ra, s0-s%d}", dec->rlist - 5);
5310                 break;
5311             }
5312             break;
5313         }
5314         case 'h':
5315             g_string_append(buf, rv_fli_name_const[dec->imm]);
5316             break;
5317         default:
5318             break;
5319         }
5320         fmt++;
5321     }
5322 
5323     return buf;
5324 }
5325 
5326 /* lift instruction to pseudo-instruction */
5327 
5328 static void decode_inst_lift_pseudo(rv_decode *dec)
5329 {
5330     const rv_opcode_data *opcode_data = dec->opcode_data;
5331     const rv_comp_data *comp_data = opcode_data[dec->op].pseudo;
5332     if (!comp_data) {
5333         return;
5334     }
5335     while (comp_data->constraints) {
5336         if (check_constraints(dec, comp_data->constraints)) {
5337             dec->op = comp_data->op;
5338             dec->codec = opcode_data[dec->op].codec;
5339             return;
5340         }
5341         comp_data++;
5342     }
5343 }
5344 
5345 /* decompress instruction */
5346 
5347 static void decode_inst_decompress_rv32(rv_decode *dec)
5348 {
5349     const rv_opcode_data *opcode_data = dec->opcode_data;
5350     int decomp_op = opcode_data[dec->op].decomp_rv32;
5351     if (decomp_op != rv_op_illegal) {
5352         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
5353             && dec->imm == 0) {
5354             dec->op = rv_op_illegal;
5355         } else {
5356             dec->op = decomp_op;
5357             dec->codec = opcode_data[decomp_op].codec;
5358         }
5359     }
5360 }
5361 
5362 static void decode_inst_decompress_rv64(rv_decode *dec)
5363 {
5364     const rv_opcode_data *opcode_data = dec->opcode_data;
5365     int decomp_op = opcode_data[dec->op].decomp_rv64;
5366     if (decomp_op != rv_op_illegal) {
5367         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
5368             && dec->imm == 0) {
5369             dec->op = rv_op_illegal;
5370         } else {
5371             dec->op = decomp_op;
5372             dec->codec = opcode_data[decomp_op].codec;
5373         }
5374     }
5375 }
5376 
5377 static void decode_inst_decompress_rv128(rv_decode *dec)
5378 {
5379     const rv_opcode_data *opcode_data = dec->opcode_data;
5380     int decomp_op = opcode_data[dec->op].decomp_rv128;
5381     if (decomp_op != rv_op_illegal) {
5382         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
5383             && dec->imm == 0) {
5384             dec->op = rv_op_illegal;
5385         } else {
5386             dec->op = decomp_op;
5387             dec->codec = opcode_data[decomp_op].codec;
5388         }
5389     }
5390 }
5391 
5392 static void decode_inst_decompress(rv_decode *dec, rv_isa isa)
5393 {
5394     switch (isa) {
5395     case rv32:
5396         decode_inst_decompress_rv32(dec);
5397         break;
5398     case rv64:
5399         decode_inst_decompress_rv64(dec);
5400         break;
5401     case rv128:
5402         decode_inst_decompress_rv128(dec);
5403         break;
5404     }
5405 }
5406 
5407 /* disassemble instruction */
5408 
5409 static GString *disasm_inst(rv_isa isa, uint64_t pc, rv_inst inst,
5410                             RISCVCPUConfig *cfg)
5411 {
5412     rv_decode dec = { 0 };
5413     dec.pc = pc;
5414     dec.inst = inst;
5415     dec.cfg = cfg;
5416 
5417     static const struct {
5418         bool (*guard_func)(const RISCVCPUConfig *);
5419         const rv_opcode_data *opcode_data;
5420         void (*decode_func)(rv_decode *, rv_isa);
5421     } decoders[] = {
5422         { always_true_p, rvi_opcode_data, decode_inst_opcode },
5423         { has_xtheadba_p, xthead_opcode_data, decode_xtheadba },
5424         { has_xtheadbb_p, xthead_opcode_data, decode_xtheadbb },
5425         { has_xtheadbs_p, xthead_opcode_data, decode_xtheadbs },
5426         { has_xtheadcmo_p, xthead_opcode_data, decode_xtheadcmo },
5427         { has_xtheadcondmov_p, xthead_opcode_data, decode_xtheadcondmov },
5428         { has_xtheadfmemidx_p, xthead_opcode_data, decode_xtheadfmemidx },
5429         { has_xtheadfmv_p, xthead_opcode_data, decode_xtheadfmv },
5430         { has_xtheadmac_p, xthead_opcode_data, decode_xtheadmac },
5431         { has_xtheadmemidx_p, xthead_opcode_data, decode_xtheadmemidx },
5432         { has_xtheadmempair_p, xthead_opcode_data, decode_xtheadmempair },
5433         { has_xtheadsync_p, xthead_opcode_data, decode_xtheadsync },
5434         { has_XVentanaCondOps_p, ventana_opcode_data, decode_xventanacondops },
5435     };
5436 
5437     for (size_t i = 0; i < ARRAY_SIZE(decoders); i++) {
5438         bool (*guard_func)(const RISCVCPUConfig *) = decoders[i].guard_func;
5439         const rv_opcode_data *opcode_data = decoders[i].opcode_data;
5440         void (*decode_func)(rv_decode *, rv_isa) = decoders[i].decode_func;
5441 
5442         if (guard_func(cfg)) {
5443             dec.opcode_data = opcode_data;
5444             decode_func(&dec, isa);
5445             if (dec.op != rv_op_illegal)
5446                 break;
5447         }
5448     }
5449 
5450     if (dec.op == rv_op_illegal) {
5451         dec.opcode_data = rvi_opcode_data;
5452     }
5453 
5454     decode_inst_operands(&dec, isa);
5455     decode_inst_decompress(&dec, isa);
5456     decode_inst_lift_pseudo(&dec);
5457     return format_inst(24, &dec);
5458 }
5459 
5460 #define INST_FMT_2 "%04" PRIx64 "              "
5461 #define INST_FMT_4 "%08" PRIx64 "          "
5462 #define INST_FMT_6 "%012" PRIx64 "      "
5463 #define INST_FMT_8 "%016" PRIx64 "  "
5464 
5465 static int
5466 print_insn_riscv(bfd_vma memaddr, struct disassemble_info *info, rv_isa isa)
5467 {
5468     bfd_byte packet[2];
5469     rv_inst inst = 0;
5470     size_t len = 2;
5471     bfd_vma n;
5472     int status;
5473 
5474     /* Instructions are made of 2-byte packets in little-endian order */
5475     for (n = 0; n < len; n += 2) {
5476         status = (*info->read_memory_func)(memaddr + n, packet, 2, info);
5477         if (status != 0) {
5478             /* Don't fail just because we fell off the end.  */
5479             if (n > 0) {
5480                 break;
5481             }
5482             (*info->memory_error_func)(status, memaddr, info);
5483             return status;
5484         }
5485         inst |= ((rv_inst) bfd_getl16(packet)) << (8 * n);
5486         if (n == 0) {
5487             len = inst_length(inst);
5488         }
5489     }
5490 
5491     if (info->show_opcodes) {
5492         switch (len) {
5493         case 2:
5494             (*info->fprintf_func)(info->stream, INST_FMT_2, inst);
5495             break;
5496         case 4:
5497             (*info->fprintf_func)(info->stream, INST_FMT_4, inst);
5498             break;
5499         case 6:
5500             (*info->fprintf_func)(info->stream, INST_FMT_6, inst);
5501             break;
5502         default:
5503             (*info->fprintf_func)(info->stream, INST_FMT_8, inst);
5504             break;
5505         }
5506     }
5507 
5508     g_autoptr(GString) str =
5509         disasm_inst(isa, memaddr, inst, (RISCVCPUConfig *)info->target_info);
5510     (*info->fprintf_func)(info->stream, "%s", str->str);
5511 
5512     return len;
5513 }
5514 
5515 int print_insn_riscv32(bfd_vma memaddr, struct disassemble_info *info)
5516 {
5517     return print_insn_riscv(memaddr, info, rv32);
5518 }
5519 
5520 int print_insn_riscv64(bfd_vma memaddr, struct disassemble_info *info)
5521 {
5522     return print_insn_riscv(memaddr, info, rv64);
5523 }
5524 
5525 int print_insn_riscv128(bfd_vma memaddr, struct disassemble_info *info)
5526 {
5527     return print_insn_riscv(memaddr, info, rv128);
5528 }
5529