xref: /openbmc/qemu/disas/riscv.c (revision ae4bdcef)
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;
978 
979 /* register names */
980 
981 static const char rv_ireg_name_sym[32][5] = {
982     "zero", "ra",   "sp",   "gp",   "tp",   "t0",   "t1",   "t2",
983     "s0",   "s1",   "a0",   "a1",   "a2",   "a3",   "a4",   "a5",
984     "a6",   "a7",   "s2",   "s3",   "s4",   "s5",   "s6",   "s7",
985     "s8",   "s9",   "s10",  "s11",  "t3",   "t4",   "t5",   "t6",
986 };
987 
988 static const char rv_freg_name_sym[32][5] = {
989     "ft0",  "ft1",  "ft2",  "ft3",  "ft4",  "ft5",  "ft6",  "ft7",
990     "fs0",  "fs1",  "fa0",  "fa1",  "fa2",  "fa3",  "fa4",  "fa5",
991     "fa6",  "fa7",  "fs2",  "fs3",  "fs4",  "fs5",  "fs6",  "fs7",
992     "fs8",  "fs9",  "fs10", "fs11", "ft8",  "ft9",  "ft10", "ft11",
993 };
994 
995 static const char rv_vreg_name_sym[32][4] = {
996     "v0",  "v1",  "v2",  "v3",  "v4",  "v5",  "v6",  "v7",
997     "v8",  "v9",  "v10", "v11", "v12", "v13", "v14", "v15",
998     "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
999     "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31"
1000 };
1001 
1002 /* The FLI.[HSDQ] numeric constants (0.0 for symbolic constants).
1003  * The constants use the hex floating-point literal representation
1004  * that is printed when using the printf %a format specifier,
1005  * which matches the output that is generated by the disassembler.
1006  */
1007 static const char rv_fli_name_const[32][9] =
1008 {
1009     "0x1p+0", "min", "0x1p-16", "0x1p-15",
1010     "0x1p-8", "0x1p-7", "0x1p-4", "0x1p-3",
1011     "0x1p-2", "0x1.4p-2", "0x1.8p-2", "0x1.cp-2",
1012     "0x1p-1", "0x1.4p-1", "0x1.8p-1", "0x1.cp-1",
1013     "0x1p+0", "0x1.4p+0", "0x1.8p+0", "0x1.cp+0",
1014     "0x1p+1", "0x1.4p+1", "0x1.8p+1", "0x1p+2",
1015     "0x1p+3", "0x1p+4", "0x1p+7", "0x1p+8",
1016     "0x1p+15", "0x1p+16", "inf", "nan"
1017 };
1018 
1019 /* pseudo-instruction constraints */
1020 
1021 static const rvc_constraint rvcc_jal[] = { rvc_rd_eq_ra, rvc_end };
1022 static const rvc_constraint rvcc_jalr[] = { rvc_rd_eq_ra, rvc_imm_eq_zero,
1023                                             rvc_end };
1024 static const rvc_constraint rvcc_nop[] = { rvc_rd_eq_x0, rvc_rs1_eq_x0,
1025                                            rvc_imm_eq_zero, rvc_end };
1026 static const rvc_constraint rvcc_mv[] = { rvc_imm_eq_zero, rvc_end };
1027 static const rvc_constraint rvcc_not[] = { rvc_imm_eq_n1, rvc_end };
1028 static const rvc_constraint rvcc_neg[] = { rvc_rs1_eq_x0, rvc_end };
1029 static const rvc_constraint rvcc_negw[] = { rvc_rs1_eq_x0, rvc_end };
1030 static const rvc_constraint rvcc_sext_w[] = { rvc_imm_eq_zero, rvc_end };
1031 static const rvc_constraint rvcc_seqz[] = { rvc_imm_eq_p1, rvc_end };
1032 static const rvc_constraint rvcc_snez[] = { rvc_rs1_eq_x0, rvc_end };
1033 static const rvc_constraint rvcc_sltz[] = { rvc_rs2_eq_x0, rvc_end };
1034 static const rvc_constraint rvcc_sgtz[] = { rvc_rs1_eq_x0, rvc_end };
1035 static const rvc_constraint rvcc_fmv_s[] = { rvc_rs2_eq_rs1, rvc_end };
1036 static const rvc_constraint rvcc_fabs_s[] = { rvc_rs2_eq_rs1, rvc_end };
1037 static const rvc_constraint rvcc_fneg_s[] = { rvc_rs2_eq_rs1, rvc_end };
1038 static const rvc_constraint rvcc_fmv_d[] = { rvc_rs2_eq_rs1, rvc_end };
1039 static const rvc_constraint rvcc_fabs_d[] = { rvc_rs2_eq_rs1, rvc_end };
1040 static const rvc_constraint rvcc_fneg_d[] = { rvc_rs2_eq_rs1, rvc_end };
1041 static const rvc_constraint rvcc_fmv_q[] = { rvc_rs2_eq_rs1, rvc_end };
1042 static const rvc_constraint rvcc_fabs_q[] = { rvc_rs2_eq_rs1, rvc_end };
1043 static const rvc_constraint rvcc_fneg_q[] = { rvc_rs2_eq_rs1, rvc_end };
1044 static const rvc_constraint rvcc_beqz[] = { rvc_rs2_eq_x0, rvc_end };
1045 static const rvc_constraint rvcc_bnez[] = { rvc_rs2_eq_x0, rvc_end };
1046 static const rvc_constraint rvcc_blez[] = { rvc_rs1_eq_x0, rvc_end };
1047 static const rvc_constraint rvcc_bgez[] = { rvc_rs2_eq_x0, rvc_end };
1048 static const rvc_constraint rvcc_bltz[] = { rvc_rs2_eq_x0, rvc_end };
1049 static const rvc_constraint rvcc_bgtz[] = { rvc_rs1_eq_x0, rvc_end };
1050 static const rvc_constraint rvcc_ble[] = { rvc_end };
1051 static const rvc_constraint rvcc_bleu[] = { rvc_end };
1052 static const rvc_constraint rvcc_bgt[] = { rvc_end };
1053 static const rvc_constraint rvcc_bgtu[] = { rvc_end };
1054 static const rvc_constraint rvcc_j[] = { rvc_rd_eq_x0, rvc_end };
1055 static const rvc_constraint rvcc_ret[] = { rvc_rd_eq_x0, rvc_rs1_eq_ra,
1056                                            rvc_end };
1057 static const rvc_constraint rvcc_jr[] = { rvc_rd_eq_x0, rvc_imm_eq_zero,
1058                                           rvc_end };
1059 static const rvc_constraint rvcc_rdcycle[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc00,
1060                                                rvc_end };
1061 static const rvc_constraint rvcc_rdtime[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc01,
1062                                               rvc_end };
1063 static const rvc_constraint rvcc_rdinstret[] = { rvc_rs1_eq_x0,
1064                                                  rvc_csr_eq_0xc02, rvc_end };
1065 static const rvc_constraint rvcc_rdcycleh[] = { rvc_rs1_eq_x0,
1066                                                 rvc_csr_eq_0xc80, rvc_end };
1067 static const rvc_constraint rvcc_rdtimeh[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc81,
1068                                                rvc_end };
1069 static const rvc_constraint rvcc_rdinstreth[] = { rvc_rs1_eq_x0,
1070                                                   rvc_csr_eq_0xc82, rvc_end };
1071 static const rvc_constraint rvcc_frcsr[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x003,
1072                                              rvc_end };
1073 static const rvc_constraint rvcc_frrm[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x002,
1074                                             rvc_end };
1075 static const rvc_constraint rvcc_frflags[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x001,
1076                                                rvc_end };
1077 static const rvc_constraint rvcc_fscsr[] = { rvc_csr_eq_0x003, rvc_end };
1078 static const rvc_constraint rvcc_fsrm[] = { rvc_csr_eq_0x002, rvc_end };
1079 static const rvc_constraint rvcc_fsflags[] = { rvc_csr_eq_0x001, rvc_end };
1080 static const rvc_constraint rvcc_fsrmi[] = { rvc_csr_eq_0x002, rvc_end };
1081 static const rvc_constraint rvcc_fsflagsi[] = { rvc_csr_eq_0x001, rvc_end };
1082 
1083 /* pseudo-instruction metadata */
1084 
1085 static const rv_comp_data rvcp_jal[] = {
1086     { rv_op_j, rvcc_j },
1087     { rv_op_jal, rvcc_jal },
1088     { rv_op_illegal, NULL }
1089 };
1090 
1091 static const rv_comp_data rvcp_jalr[] = {
1092     { rv_op_ret, rvcc_ret },
1093     { rv_op_jr, rvcc_jr },
1094     { rv_op_jalr, rvcc_jalr },
1095     { rv_op_illegal, NULL }
1096 };
1097 
1098 static const rv_comp_data rvcp_beq[] = {
1099     { rv_op_beqz, rvcc_beqz },
1100     { rv_op_illegal, NULL }
1101 };
1102 
1103 static const rv_comp_data rvcp_bne[] = {
1104     { rv_op_bnez, rvcc_bnez },
1105     { rv_op_illegal, NULL }
1106 };
1107 
1108 static const rv_comp_data rvcp_blt[] = {
1109     { rv_op_bltz, rvcc_bltz },
1110     { rv_op_bgtz, rvcc_bgtz },
1111     { rv_op_bgt, rvcc_bgt },
1112     { rv_op_illegal, NULL }
1113 };
1114 
1115 static const rv_comp_data rvcp_bge[] = {
1116     { rv_op_blez, rvcc_blez },
1117     { rv_op_bgez, rvcc_bgez },
1118     { rv_op_ble, rvcc_ble },
1119     { rv_op_illegal, NULL }
1120 };
1121 
1122 static const rv_comp_data rvcp_bltu[] = {
1123     { rv_op_bgtu, rvcc_bgtu },
1124     { rv_op_illegal, NULL }
1125 };
1126 
1127 static const rv_comp_data rvcp_bgeu[] = {
1128     { rv_op_bleu, rvcc_bleu },
1129     { rv_op_illegal, NULL }
1130 };
1131 
1132 static const rv_comp_data rvcp_addi[] = {
1133     { rv_op_nop, rvcc_nop },
1134     { rv_op_mv, rvcc_mv },
1135     { rv_op_illegal, NULL }
1136 };
1137 
1138 static const rv_comp_data rvcp_sltiu[] = {
1139     { rv_op_seqz, rvcc_seqz },
1140     { rv_op_illegal, NULL }
1141 };
1142 
1143 static const rv_comp_data rvcp_xori[] = {
1144     { rv_op_not, rvcc_not },
1145     { rv_op_illegal, NULL }
1146 };
1147 
1148 static const rv_comp_data rvcp_sub[] = {
1149     { rv_op_neg, rvcc_neg },
1150     { rv_op_illegal, NULL }
1151 };
1152 
1153 static const rv_comp_data rvcp_slt[] = {
1154     { rv_op_sltz, rvcc_sltz },
1155     { rv_op_sgtz, rvcc_sgtz },
1156     { rv_op_illegal, NULL }
1157 };
1158 
1159 static const rv_comp_data rvcp_sltu[] = {
1160     { rv_op_snez, rvcc_snez },
1161     { rv_op_illegal, NULL }
1162 };
1163 
1164 static const rv_comp_data rvcp_addiw[] = {
1165     { rv_op_sext_w, rvcc_sext_w },
1166     { rv_op_illegal, NULL }
1167 };
1168 
1169 static const rv_comp_data rvcp_subw[] = {
1170     { rv_op_negw, rvcc_negw },
1171     { rv_op_illegal, NULL }
1172 };
1173 
1174 static const rv_comp_data rvcp_csrrw[] = {
1175     { rv_op_fscsr, rvcc_fscsr },
1176     { rv_op_fsrm, rvcc_fsrm },
1177     { rv_op_fsflags, rvcc_fsflags },
1178     { rv_op_illegal, NULL }
1179 };
1180 
1181 
1182 static const rv_comp_data rvcp_csrrs[] = {
1183     { rv_op_rdcycle, rvcc_rdcycle },
1184     { rv_op_rdtime, rvcc_rdtime },
1185     { rv_op_rdinstret, rvcc_rdinstret },
1186     { rv_op_rdcycleh, rvcc_rdcycleh },
1187     { rv_op_rdtimeh, rvcc_rdtimeh },
1188     { rv_op_rdinstreth, rvcc_rdinstreth },
1189     { rv_op_frcsr, rvcc_frcsr },
1190     { rv_op_frrm, rvcc_frrm },
1191     { rv_op_frflags, rvcc_frflags },
1192     { rv_op_illegal, NULL }
1193 };
1194 
1195 static const rv_comp_data rvcp_csrrwi[] = {
1196     { rv_op_fsrmi, rvcc_fsrmi },
1197     { rv_op_fsflagsi, rvcc_fsflagsi },
1198     { rv_op_illegal, NULL }
1199 };
1200 
1201 static const rv_comp_data rvcp_fsgnj_s[] = {
1202     { rv_op_fmv_s, rvcc_fmv_s },
1203     { rv_op_illegal, NULL }
1204 };
1205 
1206 static const rv_comp_data rvcp_fsgnjn_s[] = {
1207     { rv_op_fneg_s, rvcc_fneg_s },
1208     { rv_op_illegal, NULL }
1209 };
1210 
1211 static const rv_comp_data rvcp_fsgnjx_s[] = {
1212     { rv_op_fabs_s, rvcc_fabs_s },
1213     { rv_op_illegal, NULL }
1214 };
1215 
1216 static const rv_comp_data rvcp_fsgnj_d[] = {
1217     { rv_op_fmv_d, rvcc_fmv_d },
1218     { rv_op_illegal, NULL }
1219 };
1220 
1221 static const rv_comp_data rvcp_fsgnjn_d[] = {
1222     { rv_op_fneg_d, rvcc_fneg_d },
1223     { rv_op_illegal, NULL }
1224 };
1225 
1226 static const rv_comp_data rvcp_fsgnjx_d[] = {
1227     { rv_op_fabs_d, rvcc_fabs_d },
1228     { rv_op_illegal, NULL }
1229 };
1230 
1231 static const rv_comp_data rvcp_fsgnj_q[] = {
1232     { rv_op_fmv_q, rvcc_fmv_q },
1233     { rv_op_illegal, NULL }
1234 };
1235 
1236 static const rv_comp_data rvcp_fsgnjn_q[] = {
1237     { rv_op_fneg_q, rvcc_fneg_q },
1238     { rv_op_illegal, NULL }
1239 };
1240 
1241 static const rv_comp_data rvcp_fsgnjx_q[] = {
1242     { rv_op_fabs_q, rvcc_fabs_q },
1243     { rv_op_illegal, NULL }
1244 };
1245 
1246 /* instruction metadata */
1247 
1248 const rv_opcode_data rvi_opcode_data[] = {
1249     { "illegal", rv_codec_illegal, rv_fmt_none, NULL, 0, 0, 0 },
1250     { "lui", rv_codec_u, rv_fmt_rd_uimm, NULL, 0, 0, 0 },
1251     { "auipc", rv_codec_u, rv_fmt_rd_uoffset, NULL, 0, 0, 0 },
1252     { "jal", rv_codec_uj, rv_fmt_rd_offset, rvcp_jal, 0, 0, 0 },
1253     { "jalr", rv_codec_i, rv_fmt_rd_rs1_offset, rvcp_jalr, 0, 0, 0 },
1254     { "beq", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_beq, 0, 0, 0 },
1255     { "bne", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bne, 0, 0, 0 },
1256     { "blt", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_blt, 0, 0, 0 },
1257     { "bge", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bge, 0, 0, 0 },
1258     { "bltu", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bltu, 0, 0, 0 },
1259     { "bgeu", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bgeu, 0, 0, 0 },
1260     { "lb", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1261     { "lh", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1262     { "lw", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1263     { "lbu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1264     { "lhu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1265     { "sb", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1266     { "sh", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1267     { "sw", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1268     { "addi", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_addi, 0, 0, 0 },
1269     { "slti", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1270     { "sltiu", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_sltiu, 0, 0, 0 },
1271     { "xori", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_xori, 0, 0, 0 },
1272     { "ori", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1273     { "andi", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1274     { "slli", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1275     { "srli", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1276     { "srai", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1277     { "add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1278     { "sub", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_sub, 0, 0, 0 },
1279     { "sll", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1280     { "slt", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_slt, 0, 0, 0 },
1281     { "sltu", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_sltu, 0, 0, 0 },
1282     { "xor", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1283     { "srl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1284     { "sra", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1285     { "or", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1286     { "and", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1287     { "fence", rv_codec_r_f, rv_fmt_pred_succ, NULL, 0, 0, 0 },
1288     { "fence.i", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1289     { "lwu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1290     { "ld", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1291     { "sd", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1292     { "addiw", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_addiw, 0, 0, 0 },
1293     { "slliw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1294     { "srliw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1295     { "sraiw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1296     { "addw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1297     { "subw", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_subw, 0, 0, 0 },
1298     { "sllw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1299     { "srlw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1300     { "sraw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1301     { "ldu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1302     { "lq", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1303     { "sq", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1304     { "addid", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1305     { "sllid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1306     { "srlid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1307     { "sraid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1308     { "addd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1309     { "subd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1310     { "slld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1311     { "srld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1312     { "srad", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1313     { "mul", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1314     { "mulh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1315     { "mulhsu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1316     { "mulhu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1317     { "div", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1318     { "divu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1319     { "rem", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1320     { "remu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1321     { "mulw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1322     { "divw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1323     { "divuw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1324     { "remw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1325     { "remuw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1326     { "muld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1327     { "divd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1328     { "divud", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1329     { "remd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1330     { "remud", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1331     { "lr.w", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1332     { "sc.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1333     { "amoswap.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1334     { "amoadd.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1335     { "amoxor.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1336     { "amoor.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1337     { "amoand.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1338     { "amomin.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1339     { "amomax.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1340     { "amominu.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1341     { "amomaxu.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1342     { "lr.d", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1343     { "sc.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1344     { "amoswap.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1345     { "amoadd.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1346     { "amoxor.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1347     { "amoor.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1348     { "amoand.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1349     { "amomin.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1350     { "amomax.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1351     { "amominu.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1352     { "amomaxu.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1353     { "lr.q", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1354     { "sc.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1355     { "amoswap.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1356     { "amoadd.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1357     { "amoxor.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1358     { "amoor.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1359     { "amoand.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1360     { "amomin.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1361     { "amomax.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1362     { "amominu.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1363     { "amomaxu.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1364     { "ecall", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1365     { "ebreak", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1366     { "uret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1367     { "sret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1368     { "hret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1369     { "mret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1370     { "dret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1371     { "sfence.vm", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 },
1372     { "sfence.vma", rv_codec_r, rv_fmt_rs1_rs2, NULL, 0, 0, 0 },
1373     { "wfi", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1374     { "csrrw", rv_codec_i_csr, rv_fmt_rd_csr_rs1, rvcp_csrrw, 0, 0, 0 },
1375     { "csrrs", rv_codec_i_csr, rv_fmt_rd_csr_rs1, rvcp_csrrs, 0, 0, 0 },
1376     { "csrrc", rv_codec_i_csr, rv_fmt_rd_csr_rs1, NULL, 0, 0, 0 },
1377     { "csrrwi", rv_codec_i_csr, rv_fmt_rd_csr_zimm, rvcp_csrrwi, 0, 0, 0 },
1378     { "csrrsi", rv_codec_i_csr, rv_fmt_rd_csr_zimm, NULL, 0, 0, 0 },
1379     { "csrrci", rv_codec_i_csr, rv_fmt_rd_csr_zimm, NULL, 0, 0, 0 },
1380     { "flw", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1381     { "fsw", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1382     { "fmadd.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1383     { "fmsub.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1384     { "fnmsub.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1385     { "fnmadd.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1386     { "fadd.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1387     { "fsub.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1388     { "fmul.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1389     { "fdiv.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1390     { "fsgnj.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_s, 0, 0, 0 },
1391     { "fsgnjn.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_s, 0, 0, 0 },
1392     { "fsgnjx.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_s, 0, 0, 0 },
1393     { "fmin.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1394     { "fmax.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1395     { "fsqrt.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1396     { "fle.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1397     { "flt.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1398     { "feq.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1399     { "fcvt.w.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1400     { "fcvt.wu.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1401     { "fcvt.s.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1402     { "fcvt.s.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1403     { "fmv.x.s", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1404     { "fclass.s", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1405     { "fmv.s.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1406     { "fcvt.l.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1407     { "fcvt.lu.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1408     { "fcvt.s.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1409     { "fcvt.s.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1410     { "fld", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1411     { "fsd", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1412     { "fmadd.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1413     { "fmsub.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1414     { "fnmsub.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1415     { "fnmadd.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1416     { "fadd.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1417     { "fsub.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1418     { "fmul.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1419     { "fdiv.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1420     { "fsgnj.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_d, 0, 0, 0 },
1421     { "fsgnjn.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_d, 0, 0, 0 },
1422     { "fsgnjx.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_d, 0, 0, 0 },
1423     { "fmin.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1424     { "fmax.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1425     { "fcvt.s.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1426     { "fcvt.d.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1427     { "fsqrt.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1428     { "fle.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1429     { "flt.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1430     { "feq.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1431     { "fcvt.w.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1432     { "fcvt.wu.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1433     { "fcvt.d.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1434     { "fcvt.d.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1435     { "fclass.d", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1436     { "fcvt.l.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1437     { "fcvt.lu.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1438     { "fmv.x.d", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1439     { "fcvt.d.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1440     { "fcvt.d.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1441     { "fmv.d.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1442     { "flq", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1443     { "fsq", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1444     { "fmadd.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1445     { "fmsub.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1446     { "fnmsub.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1447     { "fnmadd.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1448     { "fadd.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1449     { "fsub.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1450     { "fmul.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1451     { "fdiv.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1452     { "fsgnj.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_q, 0, 0, 0 },
1453     { "fsgnjn.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_q, 0, 0, 0 },
1454     { "fsgnjx.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_q, 0, 0, 0 },
1455     { "fmin.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1456     { "fmax.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1457     { "fcvt.s.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1458     { "fcvt.q.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1459     { "fcvt.d.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1460     { "fcvt.q.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1461     { "fsqrt.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1462     { "fle.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1463     { "flt.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1464     { "feq.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1465     { "fcvt.w.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1466     { "fcvt.wu.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1467     { "fcvt.q.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1468     { "fcvt.q.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1469     { "fclass.q", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1470     { "fcvt.l.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1471     { "fcvt.lu.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1472     { "fcvt.q.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1473     { "fcvt.q.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1474     { "fmv.x.q", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1475     { "fmv.q.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1476     { "c.addi4spn", rv_codec_ciw_4spn, rv_fmt_rd_rs1_imm, NULL, rv_op_addi,
1477       rv_op_addi, rv_op_addi, rvcd_imm_nz },
1478     { "c.fld", rv_codec_cl_ld, rv_fmt_frd_offset_rs1, NULL, rv_op_fld,
1479       rv_op_fld, 0 },
1480     { "c.lw", rv_codec_cl_lw, rv_fmt_rd_offset_rs1, NULL, rv_op_lw, rv_op_lw,
1481       rv_op_lw },
1482     { "c.flw", rv_codec_cl_lw, rv_fmt_frd_offset_rs1, NULL, rv_op_flw, 0, 0 },
1483     { "c.fsd", rv_codec_cs_sd, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd,
1484       rv_op_fsd, 0 },
1485     { "c.sw", rv_codec_cs_sw, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw, rv_op_sw,
1486       rv_op_sw },
1487     { "c.fsw", rv_codec_cs_sw, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsw, 0, 0 },
1488     { "c.nop", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_addi, rv_op_addi,
1489       rv_op_addi },
1490     { "c.addi", rv_codec_ci, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi,
1491       rv_op_addi, rvcd_imm_nz },
1492     { "c.jal", rv_codec_cj_jal, rv_fmt_rd_offset, NULL, rv_op_jal, 0, 0 },
1493     { "c.li", rv_codec_ci_li, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi,
1494       rv_op_addi },
1495     { "c.addi16sp", rv_codec_ci_16sp, rv_fmt_rd_rs1_imm, NULL, rv_op_addi,
1496       rv_op_addi, rv_op_addi, rvcd_imm_nz },
1497     { "c.lui", rv_codec_ci_lui, rv_fmt_rd_uimm, NULL, rv_op_lui, rv_op_lui,
1498       rv_op_lui, rvcd_imm_nz },
1499     { "c.srli", rv_codec_cb_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_srli,
1500       rv_op_srli, rv_op_srli, rvcd_imm_nz },
1501     { "c.srai", rv_codec_cb_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_srai,
1502       rv_op_srai, rv_op_srai, rvcd_imm_nz },
1503     { "c.andi", rv_codec_cb_imm, rv_fmt_rd_rs1_imm, NULL, rv_op_andi,
1504       rv_op_andi, rv_op_andi },
1505     { "c.sub", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_sub, rv_op_sub,
1506       rv_op_sub },
1507     { "c.xor", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_xor, rv_op_xor,
1508       rv_op_xor },
1509     { "c.or", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_or, rv_op_or,
1510       rv_op_or },
1511     { "c.and", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_and, rv_op_and,
1512       rv_op_and },
1513     { "c.subw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_subw, rv_op_subw,
1514       rv_op_subw },
1515     { "c.addw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_addw, rv_op_addw,
1516       rv_op_addw },
1517     { "c.j", rv_codec_cj, rv_fmt_rd_offset, NULL, rv_op_jal, rv_op_jal,
1518       rv_op_jal },
1519     { "c.beqz", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_beq, rv_op_beq,
1520       rv_op_beq },
1521     { "c.bnez", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_bne, rv_op_bne,
1522       rv_op_bne },
1523     { "c.slli", rv_codec_ci_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_slli,
1524       rv_op_slli, rv_op_slli, rvcd_imm_nz },
1525     { "c.fldsp", rv_codec_ci_ldsp, rv_fmt_frd_offset_rs1, NULL, rv_op_fld,
1526       rv_op_fld, rv_op_fld },
1527     { "c.lwsp", rv_codec_ci_lwsp, rv_fmt_rd_offset_rs1, NULL, rv_op_lw,
1528       rv_op_lw, rv_op_lw },
1529     { "c.flwsp", rv_codec_ci_lwsp, rv_fmt_frd_offset_rs1, NULL, rv_op_flw, 0,
1530       0 },
1531     { "c.jr", rv_codec_cr_jr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr,
1532       rv_op_jalr, rv_op_jalr },
1533     { "c.mv", rv_codec_cr_mv, rv_fmt_rd_rs1_rs2, NULL, rv_op_addi, rv_op_addi,
1534       rv_op_addi },
1535     { "c.ebreak", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_ebreak,
1536       rv_op_ebreak, rv_op_ebreak },
1537     { "c.jalr", rv_codec_cr_jalr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr,
1538       rv_op_jalr, rv_op_jalr },
1539     { "c.add", rv_codec_cr, rv_fmt_rd_rs1_rs2, NULL, rv_op_add, rv_op_add,
1540       rv_op_add },
1541     { "c.fsdsp", rv_codec_css_sdsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd,
1542       rv_op_fsd, rv_op_fsd },
1543     { "c.swsp", rv_codec_css_swsp, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw,
1544       rv_op_sw, rv_op_sw },
1545     { "c.fswsp", rv_codec_css_swsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsw, 0,
1546       0 },
1547     { "c.ld", rv_codec_cl_ld, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld,
1548       rv_op_ld },
1549     { "c.sd", rv_codec_cs_sd, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd,
1550       rv_op_sd },
1551     { "c.addiw", rv_codec_ci, rv_fmt_rd_rs1_imm, NULL, 0, rv_op_addiw,
1552       rv_op_addiw },
1553     { "c.ldsp", rv_codec_ci_ldsp, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld,
1554       rv_op_ld },
1555     { "c.sdsp", rv_codec_css_sdsp, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd,
1556       rv_op_sd },
1557     { "c.lq", rv_codec_cl_lq, rv_fmt_rd_offset_rs1, NULL, 0, 0, rv_op_lq },
1558     { "c.sq", rv_codec_cs_sq, rv_fmt_rs2_offset_rs1, NULL, 0, 0, rv_op_sq },
1559     { "c.lqsp", rv_codec_ci_lqsp, rv_fmt_rd_offset_rs1, NULL, 0, 0, rv_op_lq },
1560     { "c.sqsp", rv_codec_css_sqsp, rv_fmt_rs2_offset_rs1, NULL, 0, 0,
1561       rv_op_sq },
1562     { "nop", rv_codec_i, rv_fmt_none, NULL, 0, 0, 0 },
1563     { "mv", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1564     { "not", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1565     { "neg", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1566     { "negw", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1567     { "sext.w", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1568     { "seqz", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1569     { "snez", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1570     { "sltz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1571     { "sgtz", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1572     { "fmv.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1573     { "fabs.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1574     { "fneg.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1575     { "fmv.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1576     { "fabs.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1577     { "fneg.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1578     { "fmv.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1579     { "fabs.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1580     { "fneg.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1581     { "beqz", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1582     { "bnez", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1583     { "blez", rv_codec_sb, rv_fmt_rs2_offset, NULL, 0, 0, 0 },
1584     { "bgez", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1585     { "bltz", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1586     { "bgtz", rv_codec_sb, rv_fmt_rs2_offset, NULL, 0, 0, 0 },
1587     { "ble", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1588     { "bleu", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1589     { "bgt", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1590     { "bgtu", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1591     { "j", rv_codec_uj, rv_fmt_offset, NULL, 0, 0, 0 },
1592     { "ret", rv_codec_i, rv_fmt_none, NULL, 0, 0, 0 },
1593     { "jr", rv_codec_i, rv_fmt_rs1, NULL, 0, 0, 0 },
1594     { "rdcycle", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1595     { "rdtime", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1596     { "rdinstret", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1597     { "rdcycleh", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1598     { "rdtimeh", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1599     { "rdinstreth", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1600     { "frcsr", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1601     { "frrm", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1602     { "frflags", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1603     { "fscsr", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1604     { "fsrm", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1605     { "fsflags", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1606     { "fsrmi", rv_codec_i_csr, rv_fmt_rd_zimm, NULL, 0, 0, 0 },
1607     { "fsflagsi", rv_codec_i_csr, rv_fmt_rd_zimm, NULL, 0, 0, 0 },
1608     { "bseti", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1609     { "bclri", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1610     { "binvi", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1611     { "bexti", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1612     { "rori", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1613     { "clz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1614     { "ctz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1615     { "cpop", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1616     { "sext.h", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1617     { "sext.b", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1618     { "xnor", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1619     { "orn", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1620     { "andn", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1621     { "rol", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1622     { "ror", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1623     { "sh1add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1624     { "sh2add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1625     { "sh3add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1626     { "sh1add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1627     { "sh2add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1628     { "sh3add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1629     { "clmul", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1630     { "clmulr", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1631     { "clmulh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1632     { "min", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1633     { "minu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1634     { "max", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1635     { "maxu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1636     { "clzw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1637     { "ctzw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1638     { "cpopw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1639     { "slli.uw", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1640     { "add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1641     { "rolw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1642     { "rorw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1643     { "rev8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1644     { "zext.h", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1645     { "roriw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1646     { "orc.b", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1647     { "bset", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1648     { "bclr", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1649     { "binv", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1650     { "bext", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1651     { "aes32esmi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1652     { "aes32esi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1653     { "aes32dsmi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1654     { "aes32dsi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1655     { "aes64ks1i", rv_codec_k_rnum,  rv_fmt_rd_rs1_rnum, NULL, 0, 0, 0 },
1656     { "aes64ks2", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1657     { "aes64im", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1658     { "aes64esm", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1659     { "aes64es", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1660     { "aes64dsm", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1661     { "aes64ds", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1662     { "sha256sig0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1663     { "sha256sig1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1664     { "sha256sum0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1665     { "sha256sum1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1666     { "sha512sig0", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1667     { "sha512sig1", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1668     { "sha512sum0", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1669     { "sha512sum1", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1670     { "sha512sum0r", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1671     { "sha512sum1r", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1672     { "sha512sig0l", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1673     { "sha512sig0h", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1674     { "sha512sig1l", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1675     { "sha512sig1h", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1676     { "sm3p0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1677     { "sm3p1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1678     { "sm4ed", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1679     { "sm4ks", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1680     { "brev8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1681     { "pack", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1682     { "packh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1683     { "packw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1684     { "unzip", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1685     { "zip", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1686     { "xperm4", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1687     { "xperm8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1688     { "vle8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1689     { "vle16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1690     { "vle32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1691     { "vle64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1692     { "vse8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1693     { "vse16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1694     { "vse32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1695     { "vse64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1696     { "vlm.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1697     { "vsm.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1698     { "vlse8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1699     { "vlse16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1700     { "vlse32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1701     { "vlse64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1702     { "vsse8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1703     { "vsse16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1704     { "vsse32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1705     { "vsse64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1706     { "vluxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1707     { "vluxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1708     { "vluxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1709     { "vluxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1710     { "vloxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1711     { "vloxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1712     { "vloxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1713     { "vloxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1714     { "vsuxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1715     { "vsuxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1716     { "vsuxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1717     { "vsuxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1718     { "vsoxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1719     { "vsoxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1720     { "vsoxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1721     { "vsoxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1722     { "vle8ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1723     { "vle16ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1724     { "vle32ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1725     { "vle64ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1726     { "vl1re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1727     { "vl1re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1728     { "vl1re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1729     { "vl1re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1730     { "vl2re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1731     { "vl2re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1732     { "vl2re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1733     { "vl2re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1734     { "vl4re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1735     { "vl4re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1736     { "vl4re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1737     { "vl4re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1738     { "vl8re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1739     { "vl8re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1740     { "vl8re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1741     { "vl8re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1742     { "vs1r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1743     { "vs2r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1744     { "vs4r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1745     { "vs8r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1746     { "vadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1747     { "vadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1748     { "vadd.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1749     { "vsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1750     { "vsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1751     { "vrsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1752     { "vrsub.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1753     { "vwaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1754     { "vwaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1755     { "vwadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1756     { "vwadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1757     { "vwsubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1758     { "vwsubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1759     { "vwsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1760     { "vwsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1761     { "vwaddu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1762     { "vwaddu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1763     { "vwadd.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1764     { "vwadd.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1765     { "vwsubu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1766     { "vwsubu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1767     { "vwsub.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1768     { "vwsub.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1769     { "vadc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1770     { "vadc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1771     { "vadc.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, 0, 0, 0 },
1772     { "vmadc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1773     { "vmadc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1774     { "vmadc.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, 0, 0, 0 },
1775     { "vsbc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1776     { "vsbc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1777     { "vmsbc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1778     { "vmsbc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1779     { "vand.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1780     { "vand.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1781     { "vand.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1782     { "vor.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1783     { "vor.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1784     { "vor.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1785     { "vxor.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1786     { "vxor.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1787     { "vxor.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1788     { "vsll.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1789     { "vsll.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1790     { "vsll.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1791     { "vsrl.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1792     { "vsrl.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1793     { "vsrl.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1794     { "vsra.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1795     { "vsra.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1796     { "vsra.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1797     { "vnsrl.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1798     { "vnsrl.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1799     { "vnsrl.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1800     { "vnsra.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1801     { "vnsra.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1802     { "vnsra.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1803     { "vmseq.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1804     { "vmseq.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1805     { "vmseq.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1806     { "vmsne.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1807     { "vmsne.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1808     { "vmsne.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1809     { "vmsltu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1810     { "vmsltu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1811     { "vmslt.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1812     { "vmslt.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1813     { "vmsleu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1814     { "vmsleu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1815     { "vmsleu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1816     { "vmsle.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1817     { "vmsle.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1818     { "vmsle.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1819     { "vmsgtu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1820     { "vmsgtu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1821     { "vmsgt.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1822     { "vmsgt.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1823     { "vminu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1824     { "vminu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1825     { "vmin.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1826     { "vmin.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1827     { "vmaxu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1828     { "vmaxu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1829     { "vmax.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1830     { "vmax.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1831     { "vmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1832     { "vmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1833     { "vmulh.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1834     { "vmulh.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1835     { "vmulhu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1836     { "vmulhu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1837     { "vmulhsu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1838     { "vmulhsu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1839     { "vdivu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1840     { "vdivu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1841     { "vdiv.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1842     { "vdiv.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1843     { "vremu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1844     { "vremu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1845     { "vrem.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1846     { "vrem.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1847     { "vwmulu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1848     { "vwmulu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1849     { "vwmulsu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1850     { "vwmulsu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1851     { "vwmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1852     { "vwmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1853     { "vmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1854     { "vmacc.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1855     { "vnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1856     { "vnmsac.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1857     { "vmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1858     { "vmadd.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1859     { "vnmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1860     { "vnmsub.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1861     { "vwmaccu.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1862     { "vwmaccu.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1863     { "vwmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1864     { "vwmacc.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1865     { "vwmaccsu.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1866     { "vwmaccsu.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1867     { "vwmaccus.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1868     { "vmv.v.v", rv_codec_v_r, rv_fmt_vd_vs1, NULL, 0, 0, 0 },
1869     { "vmv.v.x", rv_codec_v_r, rv_fmt_vd_rs1, NULL, 0, 0, 0 },
1870     { "vmv.v.i", rv_codec_v_i, rv_fmt_vd_imm, NULL, 0, 0, 0 },
1871     { "vmerge.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1872     { "vmerge.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1873     { "vmerge.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, 0, 0, 0 },
1874     { "vsaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1875     { "vsaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1876     { "vsaddu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1877     { "vsadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1878     { "vsadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1879     { "vsadd.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1880     { "vssubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1881     { "vssubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1882     { "vssub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1883     { "vssub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1884     { "vaadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1885     { "vaadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1886     { "vaaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1887     { "vaaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1888     { "vasub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1889     { "vasub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1890     { "vasubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1891     { "vasubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1892     { "vsmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1893     { "vsmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1894     { "vssrl.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1895     { "vssrl.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1896     { "vssrl.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1897     { "vssra.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1898     { "vssra.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1899     { "vssra.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1900     { "vnclipu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1901     { "vnclipu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1902     { "vnclipu.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1903     { "vnclip.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1904     { "vnclip.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1905     { "vnclip.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1906     { "vfadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1907     { "vfadd.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1908     { "vfsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1909     { "vfsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1910     { "vfrsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1911     { "vfwadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1912     { "vfwadd.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1913     { "vfwadd.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1914     { "vfwadd.wf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1915     { "vfwsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1916     { "vfwsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1917     { "vfwsub.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1918     { "vfwsub.wf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1919     { "vfmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1920     { "vfmul.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1921     { "vfdiv.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1922     { "vfdiv.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1923     { "vfrdiv.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1924     { "vfwmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1925     { "vfwmul.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1926     { "vfmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1927     { "vfmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1928     { "vfnmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1929     { "vfnmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1930     { "vfmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1931     { "vfmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1932     { "vfnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1933     { "vfnmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1934     { "vfmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1935     { "vfmadd.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1936     { "vfnmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1937     { "vfnmadd.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1938     { "vfmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1939     { "vfmsub.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1940     { "vfnmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1941     { "vfnmsub.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1942     { "vfwmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1943     { "vfwmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1944     { "vfwnmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1945     { "vfwnmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1946     { "vfwmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1947     { "vfwmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1948     { "vfwnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1949     { "vfwnmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1950     { "vfsqrt.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1951     { "vfrsqrt7.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1952     { "vfrec7.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1953     { "vfmin.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1954     { "vfmin.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1955     { "vfmax.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1956     { "vfmax.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1957     { "vfsgnj.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1958     { "vfsgnj.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1959     { "vfsgnjn.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1960     { "vfsgnjn.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1961     { "vfsgnjx.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1962     { "vfsgnjx.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1963     { "vfslide1up.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1964     { "vfslide1down.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1965     { "vmfeq.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1966     { "vmfeq.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1967     { "vmfne.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1968     { "vmfne.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1969     { "vmflt.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1970     { "vmflt.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1971     { "vmfle.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1972     { "vmfle.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1973     { "vmfgt.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1974     { "vmfge.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1975     { "vfclass.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1976     { "vfmerge.vfm", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vl, NULL, 0, 0, 0 },
1977     { "vfmv.v.f", rv_codec_v_r, rv_fmt_vd_fs1, NULL, 0, 0, 0 },
1978     { "vfcvt.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1979     { "vfcvt.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1980     { "vfcvt.f.xu.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1981     { "vfcvt.f.x.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1982     { "vfcvt.rtz.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1983     { "vfcvt.rtz.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1984     { "vfwcvt.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1985     { "vfwcvt.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1986     { "vfwcvt.f.xu.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1987     { "vfwcvt.f.x.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1988     { "vfwcvt.f.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1989     { "vfwcvt.rtz.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1990     { "vfwcvt.rtz.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1991     { "vfncvt.xu.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1992     { "vfncvt.x.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1993     { "vfncvt.f.xu.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1994     { "vfncvt.f.x.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1995     { "vfncvt.f.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1996     { "vfncvt.rod.f.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1997     { "vfncvt.rtz.xu.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1998     { "vfncvt.rtz.x.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1999     { "vredsum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2000     { "vredand.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2001     { "vredor.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2002     { "vredxor.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2003     { "vredminu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2004     { "vredmin.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2005     { "vredmaxu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2006     { "vredmax.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2007     { "vwredsumu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2008     { "vwredsum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2009     { "vfredusum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2010     { "vfredosum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2011     { "vfredmin.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2012     { "vfredmax.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2013     { "vfwredusum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2014     { "vfwredosum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2015     { "vmand.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2016     { "vmnand.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2017     { "vmandn.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2018     { "vmxor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2019     { "vmor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2020     { "vmnor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2021     { "vmorn.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2022     { "vmxnor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2023     { "vcpop.m", rv_codec_v_r, rv_fmt_rd_vs2_vm, NULL, 0, 0, 0 },
2024     { "vfirst.m", rv_codec_v_r, rv_fmt_rd_vs2_vm, NULL, 0, 0, 0 },
2025     { "vmsbf.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2026     { "vmsif.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2027     { "vmsof.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2028     { "viota.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2029     { "vid.v", rv_codec_v_r, rv_fmt_vd_vm, NULL, 0, 0, 0 },
2030     { "vmv.x.s", rv_codec_v_r, rv_fmt_rd_vs2, NULL, 0, 0, 0 },
2031     { "vmv.s.x", rv_codec_v_r, rv_fmt_vd_rs1, NULL, 0, 0, 0 },
2032     { "vfmv.f.s", rv_codec_v_r, rv_fmt_fd_vs2, NULL, 0, 0, 0 },
2033     { "vfmv.s.f", rv_codec_v_r, rv_fmt_vd_fs1, NULL, 0, 0, 0 },
2034     { "vslideup.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2035     { "vslideup.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2036     { "vslide1up.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2037     { "vslidedown.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2038     { "vslidedown.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2039     { "vslide1down.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2040     { "vrgather.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2041     { "vrgatherei16.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2042     { "vrgather.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2043     { "vrgather.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2044     { "vcompress.vm", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2045     { "vmv1r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2046     { "vmv2r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2047     { "vmv4r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2048     { "vmv8r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2049     { "vzext.vf2", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2050     { "vzext.vf4", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2051     { "vzext.vf8", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2052     { "vsext.vf2", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2053     { "vsext.vf4", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2054     { "vsext.vf8", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2055     { "vsetvli", rv_codec_vsetvli, rv_fmt_vsetvli, NULL, 0, 0, 0 },
2056     { "vsetivli", rv_codec_vsetivli, rv_fmt_vsetivli, NULL, 0, 0, 0 },
2057     { "vsetvl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2058     { "c.zext.b", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2059     { "c.sext.b", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2060     { "c.zext.h", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2061     { "c.sext.h", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2062     { "c.zext.w", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2063     { "c.not", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
2064     { "c.mul", rv_codec_zcb_mul, rv_fmt_rd_rs2, NULL, 0, 0 },
2065     { "c.lbu", rv_codec_zcb_lb, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2066     { "c.lhu", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2067     { "c.lh", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2068     { "c.sb", rv_codec_zcb_lb, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2069     { "c.sh", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2070     { "cm.push", rv_codec_zcmp_cm_pushpop, rv_fmt_push_rlist, NULL, 0, 0 },
2071     { "cm.pop", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0 },
2072     { "cm.popret", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0, 0 },
2073     { "cm.popretz", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0 },
2074     { "cm.mva01s", rv_codec_zcmp_cm_mv, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
2075     { "cm.mvsa01", rv_codec_zcmp_cm_mv, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
2076     { "cm.jt", rv_codec_zcmt_jt, rv_fmt_zcmt_index, NULL, 0 },
2077     { "cm.jalt", rv_codec_zcmt_jt, rv_fmt_zcmt_index, NULL, 0 },
2078     { "czero.eqz", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2079     { "czero.nez", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2080     { "fcvt.bf16.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2081     { "fcvt.s.bf16", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2082     { "vfncvtbf16.f.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2083     { "vfwcvtbf16.f.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2084     { "vfwmaccbf16.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
2085     { "vfwmaccbf16.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
2086     { "flh", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
2087     { "fsh", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
2088     { "fmv.h.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
2089     { "fmv.x.h", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
2090     { "fli.s", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2091     { "fli.d", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2092     { "fli.q", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2093     { "fli.h", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2094     { "fminm.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2095     { "fmaxm.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2096     { "fminm.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2097     { "fmaxm.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2098     { "fminm.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2099     { "fmaxm.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2100     { "fminm.h", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2101     { "fmaxm.h", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2102     { "fround.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2103     { "froundnx.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2104     { "fround.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2105     { "froundnx.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2106     { "fround.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2107     { "froundnx.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2108     { "fround.h", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2109     { "froundnx.h", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2110     { "fcvtmod.w.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
2111     { "fmvh.x.d", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
2112     { "fmvp.d.x", rv_codec_r, rv_fmt_frd_rs1_rs2, NULL, 0, 0, 0 },
2113     { "fmvh.x.q", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
2114     { "fmvp.q.x", rv_codec_r, rv_fmt_frd_rs1_rs2, NULL, 0, 0, 0 },
2115     { "fleq.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2116     { "fltq.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2117     { "fleq.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2118     { "fltq.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2119     { "fleq.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2120     { "fltq.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2121     { "fleq.h", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2122     { "fltq.h", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2123     { "vaesdf.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2124     { "vaesdf.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2125     { "vaesdm.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2126     { "vaesdm.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2127     { "vaesef.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2128     { "vaesef.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2129     { "vaesem.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2130     { "vaesem.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2131     { "vaeskf1.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2132     { "vaeskf2.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2133     { "vaesz.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2134     { "vandn.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2135     { "vandn.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2136     { "vbrev.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2137     { "vbrev8.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2138     { "vclmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2139     { "vclmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2140     { "vclmulh.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2141     { "vclmulh.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2142     { "vclz.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2143     { "vcpop.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2144     { "vctz.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2145     { "vghsh.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2146     { "vgmul.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2147     { "vrev8.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2148     { "vrol.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2149     { "vrol.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2150     { "vror.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2151     { "vror.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2152     { "vror.vi", rv_codec_vror_vi, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2153     { "vsha2ch.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2154     { "vsha2cl.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2155     { "vsha2ms.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2156     { "vsm3c.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2157     { "vsm3me.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2158     { "vsm4k.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2159     { "vsm4r.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2160     { "vsm4r.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2161     { "vwsll.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2162     { "vwsll.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2163     { "vwsll.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2164     { "amocas.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2165     { "amocas.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2166     { "amocas.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2167     { "mop.r.0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2168     { "mop.r.1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2169     { "mop.r.2", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2170     { "mop.r.3", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2171     { "mop.r.4", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2172     { "mop.r.5", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2173     { "mop.r.6", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2174     { "mop.r.7", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2175     { "mop.r.8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2176     { "mop.r.9", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2177     { "mop.r.10", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2178     { "mop.r.11", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2179     { "mop.r.12", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2180     { "mop.r.13", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2181     { "mop.r.14", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2182     { "mop.r.15", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2183     { "mop.r.16", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2184     { "mop.r.17", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2185     { "mop.r.18", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2186     { "mop.r.19", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2187     { "mop.r.20", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2188     { "mop.r.21", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2189     { "mop.r.22", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2190     { "mop.r.23", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2191     { "mop.r.24", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2192     { "mop.r.25", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2193     { "mop.r.26", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2194     { "mop.r.27", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2195     { "mop.r.28", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2196     { "mop.r.29", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2197     { "mop.r.30", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2198     { "mop.r.31", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
2199     { "mop.rr.0", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2200     { "mop.rr.1", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2201     { "mop.rr.2", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2202     { "mop.rr.3", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2203     { "mop.rr.4", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2204     { "mop.rr.5", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2205     { "mop.rr.6", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2206     { "mop.rr.7", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2207     { "c.mop.1",  rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2208     { "c.mop.3",  rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2209     { "c.mop.5",  rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2210     { "c.mop.7",  rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2211     { "c.mop.9",  rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2212     { "c.mop.11", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2213     { "c.mop.13", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2214     { "c.mop.15", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 },
2215     { "amoswap.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2216     { "amoadd.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2217     { "amoxor.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2218     { "amoor.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2219     { "amoand.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2220     { "amomin.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2221     { "amomax.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2222     { "amominu.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2223     { "amomaxu.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2224     { "amoswap.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2225     { "amoadd.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2226     { "amoxor.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2227     { "amoor.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2228     { "amoand.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2229     { "amomin.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2230     { "amomax.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2231     { "amominu.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2232     { "amomaxu.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2233     { "amocas.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2234     { "amocas.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2235 };
2236 
2237 /* CSR names */
2238 
2239 static const char *csr_name(int csrno)
2240 {
2241     switch (csrno) {
2242     case 0x0000: return "ustatus";
2243     case 0x0001: return "fflags";
2244     case 0x0002: return "frm";
2245     case 0x0003: return "fcsr";
2246     case 0x0004: return "uie";
2247     case 0x0005: return "utvec";
2248     case 0x0008: return "vstart";
2249     case 0x0009: return "vxsat";
2250     case 0x000a: return "vxrm";
2251     case 0x000f: return "vcsr";
2252     case 0x0015: return "seed";
2253     case 0x0017: return "jvt";
2254     case 0x0040: return "uscratch";
2255     case 0x0041: return "uepc";
2256     case 0x0042: return "ucause";
2257     case 0x0043: return "utval";
2258     case 0x0044: return "uip";
2259     case 0x0100: return "sstatus";
2260     case 0x0104: return "sie";
2261     case 0x0105: return "stvec";
2262     case 0x0106: return "scounteren";
2263     case 0x0140: return "sscratch";
2264     case 0x0141: return "sepc";
2265     case 0x0142: return "scause";
2266     case 0x0143: return "stval";
2267     case 0x0144: return "sip";
2268     case 0x0180: return "satp";
2269     case 0x0200: return "hstatus";
2270     case 0x0202: return "hedeleg";
2271     case 0x0203: return "hideleg";
2272     case 0x0204: return "hie";
2273     case 0x0205: return "htvec";
2274     case 0x0240: return "hscratch";
2275     case 0x0241: return "hepc";
2276     case 0x0242: return "hcause";
2277     case 0x0243: return "hbadaddr";
2278     case 0x0244: return "hip";
2279     case 0x0300: return "mstatus";
2280     case 0x0301: return "misa";
2281     case 0x0302: return "medeleg";
2282     case 0x0303: return "mideleg";
2283     case 0x0304: return "mie";
2284     case 0x0305: return "mtvec";
2285     case 0x0306: return "mcounteren";
2286     case 0x0320: return "mucounteren";
2287     case 0x0321: return "mscounteren";
2288     case 0x0322: return "mhcounteren";
2289     case 0x0323: return "mhpmevent3";
2290     case 0x0324: return "mhpmevent4";
2291     case 0x0325: return "mhpmevent5";
2292     case 0x0326: return "mhpmevent6";
2293     case 0x0327: return "mhpmevent7";
2294     case 0x0328: return "mhpmevent8";
2295     case 0x0329: return "mhpmevent9";
2296     case 0x032a: return "mhpmevent10";
2297     case 0x032b: return "mhpmevent11";
2298     case 0x032c: return "mhpmevent12";
2299     case 0x032d: return "mhpmevent13";
2300     case 0x032e: return "mhpmevent14";
2301     case 0x032f: return "mhpmevent15";
2302     case 0x0330: return "mhpmevent16";
2303     case 0x0331: return "mhpmevent17";
2304     case 0x0332: return "mhpmevent18";
2305     case 0x0333: return "mhpmevent19";
2306     case 0x0334: return "mhpmevent20";
2307     case 0x0335: return "mhpmevent21";
2308     case 0x0336: return "mhpmevent22";
2309     case 0x0337: return "mhpmevent23";
2310     case 0x0338: return "mhpmevent24";
2311     case 0x0339: return "mhpmevent25";
2312     case 0x033a: return "mhpmevent26";
2313     case 0x033b: return "mhpmevent27";
2314     case 0x033c: return "mhpmevent28";
2315     case 0x033d: return "mhpmevent29";
2316     case 0x033e: return "mhpmevent30";
2317     case 0x033f: return "mhpmevent31";
2318     case 0x0340: return "mscratch";
2319     case 0x0341: return "mepc";
2320     case 0x0342: return "mcause";
2321     case 0x0343: return "mtval";
2322     case 0x0344: return "mip";
2323     case 0x0380: return "mbase";
2324     case 0x0381: return "mbound";
2325     case 0x0382: return "mibase";
2326     case 0x0383: return "mibound";
2327     case 0x0384: return "mdbase";
2328     case 0x0385: return "mdbound";
2329     case 0x03a0: return "pmpcfg0";
2330     case 0x03a1: return "pmpcfg1";
2331     case 0x03a2: return "pmpcfg2";
2332     case 0x03a3: return "pmpcfg3";
2333     case 0x03a4: return "pmpcfg4";
2334     case 0x03a5: return "pmpcfg5";
2335     case 0x03a6: return "pmpcfg6";
2336     case 0x03a7: return "pmpcfg7";
2337     case 0x03a8: return "pmpcfg8";
2338     case 0x03a9: return "pmpcfg9";
2339     case 0x03aa: return "pmpcfg10";
2340     case 0x03ab: return "pmpcfg11";
2341     case 0x03ac: return "pmpcfg12";
2342     case 0x03ad: return "pmpcfg13";
2343     case 0x03ae: return "pmpcfg14";
2344     case 0x03af: return "pmpcfg15";
2345     case 0x03b0: return "pmpaddr0";
2346     case 0x03b1: return "pmpaddr1";
2347     case 0x03b2: return "pmpaddr2";
2348     case 0x03b3: return "pmpaddr3";
2349     case 0x03b4: return "pmpaddr4";
2350     case 0x03b5: return "pmpaddr5";
2351     case 0x03b6: return "pmpaddr6";
2352     case 0x03b7: return "pmpaddr7";
2353     case 0x03b8: return "pmpaddr8";
2354     case 0x03b9: return "pmpaddr9";
2355     case 0x03ba: return "pmpaddr10";
2356     case 0x03bb: return "pmpaddr11";
2357     case 0x03bc: return "pmpaddr12";
2358     case 0x03bd: return "pmpaddr13";
2359     case 0x03be: return "pmpaddr14";
2360     case 0x03bf: return "pmpaddr15";
2361     case 0x03c0: return "pmpaddr16";
2362     case 0x03c1: return "pmpaddr17";
2363     case 0x03c2: return "pmpaddr18";
2364     case 0x03c3: return "pmpaddr19";
2365     case 0x03c4: return "pmpaddr20";
2366     case 0x03c5: return "pmpaddr21";
2367     case 0x03c6: return "pmpaddr22";
2368     case 0x03c7: return "pmpaddr23";
2369     case 0x03c8: return "pmpaddr24";
2370     case 0x03c9: return "pmpaddr25";
2371     case 0x03ca: return "pmpaddr26";
2372     case 0x03cb: return "pmpaddr27";
2373     case 0x03cc: return "pmpaddr28";
2374     case 0x03cd: return "pmpaddr29";
2375     case 0x03ce: return "pmpaddr30";
2376     case 0x03cf: return "pmpaddr31";
2377     case 0x03d0: return "pmpaddr32";
2378     case 0x03d1: return "pmpaddr33";
2379     case 0x03d2: return "pmpaddr34";
2380     case 0x03d3: return "pmpaddr35";
2381     case 0x03d4: return "pmpaddr36";
2382     case 0x03d5: return "pmpaddr37";
2383     case 0x03d6: return "pmpaddr38";
2384     case 0x03d7: return "pmpaddr39";
2385     case 0x03d8: return "pmpaddr40";
2386     case 0x03d9: return "pmpaddr41";
2387     case 0x03da: return "pmpaddr42";
2388     case 0x03db: return "pmpaddr43";
2389     case 0x03dc: return "pmpaddr44";
2390     case 0x03dd: return "pmpaddr45";
2391     case 0x03de: return "pmpaddr46";
2392     case 0x03df: return "pmpaddr47";
2393     case 0x03e0: return "pmpaddr48";
2394     case 0x03e1: return "pmpaddr49";
2395     case 0x03e2: return "pmpaddr50";
2396     case 0x03e3: return "pmpaddr51";
2397     case 0x03e4: return "pmpaddr52";
2398     case 0x03e5: return "pmpaddr53";
2399     case 0x03e6: return "pmpaddr54";
2400     case 0x03e7: return "pmpaddr55";
2401     case 0x03e8: return "pmpaddr56";
2402     case 0x03e9: return "pmpaddr57";
2403     case 0x03ea: return "pmpaddr58";
2404     case 0x03eb: return "pmpaddr59";
2405     case 0x03ec: return "pmpaddr60";
2406     case 0x03ed: return "pmpaddr61";
2407     case 0x03ee: return "pmpaddr62";
2408     case 0x03ef: return "pmpaddr63";
2409     case 0x0780: return "mtohost";
2410     case 0x0781: return "mfromhost";
2411     case 0x0782: return "mreset";
2412     case 0x0783: return "mipi";
2413     case 0x0784: return "miobase";
2414     case 0x07a0: return "tselect";
2415     case 0x07a1: return "tdata1";
2416     case 0x07a2: return "tdata2";
2417     case 0x07a3: return "tdata3";
2418     case 0x07b0: return "dcsr";
2419     case 0x07b1: return "dpc";
2420     case 0x07b2: return "dscratch";
2421     case 0x0b00: return "mcycle";
2422     case 0x0b01: return "mtime";
2423     case 0x0b02: return "minstret";
2424     case 0x0b03: return "mhpmcounter3";
2425     case 0x0b04: return "mhpmcounter4";
2426     case 0x0b05: return "mhpmcounter5";
2427     case 0x0b06: return "mhpmcounter6";
2428     case 0x0b07: return "mhpmcounter7";
2429     case 0x0b08: return "mhpmcounter8";
2430     case 0x0b09: return "mhpmcounter9";
2431     case 0x0b0a: return "mhpmcounter10";
2432     case 0x0b0b: return "mhpmcounter11";
2433     case 0x0b0c: return "mhpmcounter12";
2434     case 0x0b0d: return "mhpmcounter13";
2435     case 0x0b0e: return "mhpmcounter14";
2436     case 0x0b0f: return "mhpmcounter15";
2437     case 0x0b10: return "mhpmcounter16";
2438     case 0x0b11: return "mhpmcounter17";
2439     case 0x0b12: return "mhpmcounter18";
2440     case 0x0b13: return "mhpmcounter19";
2441     case 0x0b14: return "mhpmcounter20";
2442     case 0x0b15: return "mhpmcounter21";
2443     case 0x0b16: return "mhpmcounter22";
2444     case 0x0b17: return "mhpmcounter23";
2445     case 0x0b18: return "mhpmcounter24";
2446     case 0x0b19: return "mhpmcounter25";
2447     case 0x0b1a: return "mhpmcounter26";
2448     case 0x0b1b: return "mhpmcounter27";
2449     case 0x0b1c: return "mhpmcounter28";
2450     case 0x0b1d: return "mhpmcounter29";
2451     case 0x0b1e: return "mhpmcounter30";
2452     case 0x0b1f: return "mhpmcounter31";
2453     case 0x0b80: return "mcycleh";
2454     case 0x0b81: return "mtimeh";
2455     case 0x0b82: return "minstreth";
2456     case 0x0b83: return "mhpmcounter3h";
2457     case 0x0b84: return "mhpmcounter4h";
2458     case 0x0b85: return "mhpmcounter5h";
2459     case 0x0b86: return "mhpmcounter6h";
2460     case 0x0b87: return "mhpmcounter7h";
2461     case 0x0b88: return "mhpmcounter8h";
2462     case 0x0b89: return "mhpmcounter9h";
2463     case 0x0b8a: return "mhpmcounter10h";
2464     case 0x0b8b: return "mhpmcounter11h";
2465     case 0x0b8c: return "mhpmcounter12h";
2466     case 0x0b8d: return "mhpmcounter13h";
2467     case 0x0b8e: return "mhpmcounter14h";
2468     case 0x0b8f: return "mhpmcounter15h";
2469     case 0x0b90: return "mhpmcounter16h";
2470     case 0x0b91: return "mhpmcounter17h";
2471     case 0x0b92: return "mhpmcounter18h";
2472     case 0x0b93: return "mhpmcounter19h";
2473     case 0x0b94: return "mhpmcounter20h";
2474     case 0x0b95: return "mhpmcounter21h";
2475     case 0x0b96: return "mhpmcounter22h";
2476     case 0x0b97: return "mhpmcounter23h";
2477     case 0x0b98: return "mhpmcounter24h";
2478     case 0x0b99: return "mhpmcounter25h";
2479     case 0x0b9a: return "mhpmcounter26h";
2480     case 0x0b9b: return "mhpmcounter27h";
2481     case 0x0b9c: return "mhpmcounter28h";
2482     case 0x0b9d: return "mhpmcounter29h";
2483     case 0x0b9e: return "mhpmcounter30h";
2484     case 0x0b9f: return "mhpmcounter31h";
2485     case 0x0c00: return "cycle";
2486     case 0x0c01: return "time";
2487     case 0x0c02: return "instret";
2488     case 0x0c20: return "vl";
2489     case 0x0c21: return "vtype";
2490     case 0x0c22: return "vlenb";
2491     case 0x0c80: return "cycleh";
2492     case 0x0c81: return "timeh";
2493     case 0x0c82: return "instreth";
2494     case 0x0d00: return "scycle";
2495     case 0x0d01: return "stime";
2496     case 0x0d02: return "sinstret";
2497     case 0x0d80: return "scycleh";
2498     case 0x0d81: return "stimeh";
2499     case 0x0d82: return "sinstreth";
2500     case 0x0e00: return "hcycle";
2501     case 0x0e01: return "htime";
2502     case 0x0e02: return "hinstret";
2503     case 0x0e80: return "hcycleh";
2504     case 0x0e81: return "htimeh";
2505     case 0x0e82: return "hinstreth";
2506     case 0x0f11: return "mvendorid";
2507     case 0x0f12: return "marchid";
2508     case 0x0f13: return "mimpid";
2509     case 0x0f14: return "mhartid";
2510     default: return NULL;
2511     }
2512 }
2513 
2514 /* decode opcode */
2515 
2516 static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
2517 {
2518     rv_inst inst = dec->inst;
2519     rv_opcode op = rv_op_illegal;
2520     switch ((inst >> 0) & 0b11) {
2521     case 0:
2522         switch ((inst >> 13) & 0b111) {
2523         case 0: op = rv_op_c_addi4spn; break;
2524         case 1:
2525             if (isa == rv128) {
2526                 op = rv_op_c_lq;
2527             } else {
2528                 op = rv_op_c_fld;
2529             }
2530             break;
2531         case 2: op = rv_op_c_lw; break;
2532         case 3:
2533             if (isa == rv32) {
2534                 op = rv_op_c_flw;
2535             } else {
2536                 op = rv_op_c_ld;
2537             }
2538             break;
2539         case 4:
2540             switch ((inst >> 10) & 0b111) {
2541             case 0: op = rv_op_c_lbu; break;
2542             case 1:
2543                 if (((inst >> 6) & 1) == 0) {
2544                     op = rv_op_c_lhu;
2545                 } else {
2546                     op = rv_op_c_lh;
2547                 }
2548                 break;
2549             case 2: op = rv_op_c_sb; break;
2550             case 3:
2551                 if (((inst >> 6) & 1) == 0) {
2552                     op = rv_op_c_sh;
2553                 }
2554                 break;
2555             }
2556             break;
2557         case 5:
2558             if (isa == rv128) {
2559                 op = rv_op_c_sq;
2560             } else {
2561                 op = rv_op_c_fsd;
2562             }
2563             break;
2564         case 6: op = rv_op_c_sw; break;
2565         case 7:
2566             if (isa == rv32) {
2567                 op = rv_op_c_fsw;
2568             } else {
2569                 op = rv_op_c_sd;
2570             }
2571             break;
2572         }
2573         break;
2574     case 1:
2575         switch ((inst >> 13) & 0b111) {
2576         case 0:
2577             switch ((inst >> 2) & 0b11111111111) {
2578             case 0: op = rv_op_c_nop; break;
2579             default: op = rv_op_c_addi; break;
2580             }
2581             break;
2582         case 1:
2583             if (isa == rv32) {
2584                 op = rv_op_c_jal;
2585             } else {
2586                 op = rv_op_c_addiw;
2587             }
2588             break;
2589         case 2: op = rv_op_c_li; break;
2590         case 3:
2591             if (dec->cfg->ext_zcmop) {
2592                 if ((((inst >> 2) & 0b111111) == 0b100000) &&
2593                     (((inst >> 11) & 0b11) == 0b0)) {
2594                     op = rv_c_mop_1 + ((inst >> 8) & 0b111);
2595                     break;
2596                 }
2597             }
2598             switch ((inst >> 7) & 0b11111) {
2599             case 2: op = rv_op_c_addi16sp; break;
2600             default: op = rv_op_c_lui; break;
2601             }
2602             break;
2603         case 4:
2604             switch ((inst >> 10) & 0b11) {
2605             case 0:
2606                 op = rv_op_c_srli;
2607                 break;
2608             case 1:
2609                 op = rv_op_c_srai;
2610                 break;
2611             case 2: op = rv_op_c_andi; break;
2612             case 3:
2613                 switch (((inst >> 10) & 0b100) | ((inst >> 5) & 0b011)) {
2614                 case 0: op = rv_op_c_sub; break;
2615                 case 1: op = rv_op_c_xor; break;
2616                 case 2: op = rv_op_c_or; break;
2617                 case 3: op = rv_op_c_and; break;
2618                 case 4: op = rv_op_c_subw; break;
2619                 case 5: op = rv_op_c_addw; break;
2620                 case 6: op = rv_op_c_mul; break;
2621                 case 7:
2622                     switch ((inst >> 2) & 0b111) {
2623                     case 0: op = rv_op_c_zext_b; break;
2624                     case 1: op = rv_op_c_sext_b; break;
2625                     case 2: op = rv_op_c_zext_h; break;
2626                     case 3: op = rv_op_c_sext_h; break;
2627                     case 4: op = rv_op_c_zext_w; break;
2628                     case 5: op = rv_op_c_not; break;
2629                     }
2630                     break;
2631                 }
2632                 break;
2633             }
2634             break;
2635         case 5: op = rv_op_c_j; break;
2636         case 6: op = rv_op_c_beqz; break;
2637         case 7: op = rv_op_c_bnez; break;
2638         }
2639         break;
2640     case 2:
2641         switch ((inst >> 13) & 0b111) {
2642         case 0:
2643             op = rv_op_c_slli;
2644             break;
2645         case 1:
2646             if (isa == rv128) {
2647                 op = rv_op_c_lqsp;
2648             } else {
2649                 op = rv_op_c_fldsp;
2650             }
2651             break;
2652         case 2: op = rv_op_c_lwsp; break;
2653         case 3:
2654             if (isa == rv32) {
2655                 op = rv_op_c_flwsp;
2656             } else {
2657                 op = rv_op_c_ldsp;
2658             }
2659             break;
2660         case 4:
2661             switch ((inst >> 12) & 0b1) {
2662             case 0:
2663                 switch ((inst >> 2) & 0b11111) {
2664                 case 0: op = rv_op_c_jr; break;
2665                 default: op = rv_op_c_mv; break;
2666                 }
2667                 break;
2668             case 1:
2669                 switch ((inst >> 2) & 0b11111) {
2670                 case 0:
2671                     switch ((inst >> 7) & 0b11111) {
2672                     case 0: op = rv_op_c_ebreak; break;
2673                     default: op = rv_op_c_jalr; break;
2674                     }
2675                     break;
2676                 default: op = rv_op_c_add; break;
2677                 }
2678                 break;
2679             }
2680             break;
2681         case 5:
2682             if (isa == rv128) {
2683                 op = rv_op_c_sqsp;
2684             } else {
2685                 op = rv_op_c_fsdsp;
2686                 if (dec->cfg->ext_zcmp && ((inst >> 12) & 0b01)) {
2687                     switch ((inst >> 8) & 0b01111) {
2688                     case 8:
2689                         if (((inst >> 4) & 0b01111) >= 4) {
2690                             op = rv_op_cm_push;
2691                         }
2692                         break;
2693                     case 10:
2694                         if (((inst >> 4) & 0b01111) >= 4) {
2695                             op = rv_op_cm_pop;
2696                         }
2697                         break;
2698                     case 12:
2699                         if (((inst >> 4) & 0b01111) >= 4) {
2700                             op = rv_op_cm_popretz;
2701                         }
2702                         break;
2703                     case 14:
2704                         if (((inst >> 4) & 0b01111) >= 4) {
2705                             op = rv_op_cm_popret;
2706                         }
2707                         break;
2708                     }
2709                 } else {
2710                     switch ((inst >> 10) & 0b011) {
2711                     case 0:
2712                         if (!dec->cfg->ext_zcmt) {
2713                             break;
2714                         }
2715                         if (((inst >> 2) & 0xFF) >= 32) {
2716                             op = rv_op_cm_jalt;
2717                         } else {
2718                             op = rv_op_cm_jt;
2719                         }
2720                         break;
2721                     case 3:
2722                         if (!dec->cfg->ext_zcmp) {
2723                             break;
2724                         }
2725                         switch ((inst >> 5) & 0b011) {
2726                         case 1: op = rv_op_cm_mvsa01; break;
2727                         case 3: op = rv_op_cm_mva01s; break;
2728                         }
2729                         break;
2730                     }
2731                 }
2732             }
2733             break;
2734         case 6: op = rv_op_c_swsp; break;
2735         case 7:
2736             if (isa == rv32) {
2737                 op = rv_op_c_fswsp;
2738             } else {
2739                 op = rv_op_c_sdsp;
2740             }
2741             break;
2742         }
2743         break;
2744     case 3:
2745         switch ((inst >> 2) & 0b11111) {
2746         case 0:
2747             switch ((inst >> 12) & 0b111) {
2748             case 0: op = rv_op_lb; break;
2749             case 1: op = rv_op_lh; break;
2750             case 2: op = rv_op_lw; break;
2751             case 3: op = rv_op_ld; break;
2752             case 4: op = rv_op_lbu; break;
2753             case 5: op = rv_op_lhu; break;
2754             case 6: op = rv_op_lwu; break;
2755             case 7: op = rv_op_ldu; break;
2756             }
2757             break;
2758         case 1:
2759             switch ((inst >> 12) & 0b111) {
2760             case 0:
2761                 switch ((inst >> 20) & 0b111111111111) {
2762                 case 40: op = rv_op_vl1re8_v; break;
2763                 case 552: op = rv_op_vl2re8_v; break;
2764                 case 1576: op = rv_op_vl4re8_v; break;
2765                 case 3624: op = rv_op_vl8re8_v; break;
2766                 }
2767                 switch ((inst >> 26) & 0b111) {
2768                 case 0:
2769                     switch ((inst >> 20) & 0b11111) {
2770                     case 0: op = rv_op_vle8_v; break;
2771                     case 11: op = rv_op_vlm_v; break;
2772                     case 16: op = rv_op_vle8ff_v; break;
2773                     }
2774                     break;
2775                 case 1: op = rv_op_vluxei8_v; break;
2776                 case 2: op = rv_op_vlse8_v; break;
2777                 case 3: op = rv_op_vloxei8_v; break;
2778                 }
2779                 break;
2780             case 1: op = rv_op_flh; break;
2781             case 2: op = rv_op_flw; break;
2782             case 3: op = rv_op_fld; break;
2783             case 4: op = rv_op_flq; break;
2784             case 5:
2785                 switch ((inst >> 20) & 0b111111111111) {
2786                 case 40: op = rv_op_vl1re16_v; break;
2787                 case 552: op = rv_op_vl2re16_v; break;
2788                 case 1576: op = rv_op_vl4re16_v; break;
2789                 case 3624: op = rv_op_vl8re16_v; break;
2790                 }
2791                 switch ((inst >> 26) & 0b111) {
2792                 case 0:
2793                     switch ((inst >> 20) & 0b11111) {
2794                     case 0: op = rv_op_vle16_v; break;
2795                     case 16: op = rv_op_vle16ff_v; break;
2796                     }
2797                     break;
2798                 case 1: op = rv_op_vluxei16_v; break;
2799                 case 2: op = rv_op_vlse16_v; break;
2800                 case 3: op = rv_op_vloxei16_v; break;
2801                 }
2802                 break;
2803             case 6:
2804                 switch ((inst >> 20) & 0b111111111111) {
2805                 case 40: op = rv_op_vl1re32_v; break;
2806                 case 552: op = rv_op_vl2re32_v; break;
2807                 case 1576: op = rv_op_vl4re32_v; break;
2808                 case 3624: op = rv_op_vl8re32_v; break;
2809                 }
2810                 switch ((inst >> 26) & 0b111) {
2811                 case 0:
2812                     switch ((inst >> 20) & 0b11111) {
2813                     case 0: op = rv_op_vle32_v; break;
2814                     case 16: op = rv_op_vle32ff_v; break;
2815                     }
2816                     break;
2817                 case 1: op = rv_op_vluxei32_v; break;
2818                 case 2: op = rv_op_vlse32_v; break;
2819                 case 3: op = rv_op_vloxei32_v; break;
2820                 }
2821                 break;
2822             case 7:
2823                 switch ((inst >> 20) & 0b111111111111) {
2824                 case 40: op = rv_op_vl1re64_v; break;
2825                 case 552: op = rv_op_vl2re64_v; break;
2826                 case 1576: op = rv_op_vl4re64_v; break;
2827                 case 3624: op = rv_op_vl8re64_v; break;
2828                 }
2829                 switch ((inst >> 26) & 0b111) {
2830                 case 0:
2831                     switch ((inst >> 20) & 0b11111) {
2832                     case 0: op = rv_op_vle64_v; break;
2833                     case 16: op = rv_op_vle64ff_v; break;
2834                     }
2835                     break;
2836                 case 1: op = rv_op_vluxei64_v; break;
2837                 case 2: op = rv_op_vlse64_v; break;
2838                 case 3: op = rv_op_vloxei64_v; break;
2839                 }
2840                 break;
2841             }
2842             break;
2843         case 3:
2844             switch ((inst >> 12) & 0b111) {
2845             case 0: op = rv_op_fence; break;
2846             case 1: op = rv_op_fence_i; break;
2847             case 2: op = rv_op_lq; break;
2848             }
2849             break;
2850         case 4:
2851             switch ((inst >> 12) & 0b111) {
2852             case 0: op = rv_op_addi; break;
2853             case 1:
2854                 switch ((inst >> 27) & 0b11111) {
2855                 case 0b00000: op = rv_op_slli; break;
2856                 case 0b00001:
2857                     switch ((inst >> 20) & 0b1111111) {
2858                     case 0b0001111: op = rv_op_zip; break;
2859                     }
2860                     break;
2861                 case 0b00010:
2862                     switch ((inst >> 20) & 0b1111111) {
2863                     case 0b0000000: op = rv_op_sha256sum0; break;
2864                     case 0b0000001: op = rv_op_sha256sum1; break;
2865                     case 0b0000010: op = rv_op_sha256sig0; break;
2866                     case 0b0000011: op = rv_op_sha256sig1; break;
2867                     case 0b0000100: op = rv_op_sha512sum0; break;
2868                     case 0b0000101: op = rv_op_sha512sum1; break;
2869                     case 0b0000110: op = rv_op_sha512sig0; break;
2870                     case 0b0000111: op = rv_op_sha512sig1; break;
2871                     case 0b0001000: op = rv_op_sm3p0; break;
2872                     case 0b0001001: op = rv_op_sm3p1; break;
2873                     }
2874                     break;
2875                 case 0b00101: op = rv_op_bseti; break;
2876                 case 0b00110:
2877                     switch ((inst >> 20) & 0b1111111) {
2878                     case 0b0000000: op = rv_op_aes64im; break;
2879                     default:
2880                         if (((inst >> 24) & 0b0111) == 0b001) {
2881                             op = rv_op_aes64ks1i;
2882                         }
2883                         break;
2884                      }
2885                      break;
2886                 case 0b01001: op = rv_op_bclri; break;
2887                 case 0b01101: op = rv_op_binvi; break;
2888                 case 0b01100:
2889                     switch ((inst >> 20) & 0b1111111) {
2890                     case 0b0000000: op = rv_op_clz; break;
2891                     case 0b0000001: op = rv_op_ctz; break;
2892                     case 0b0000010: op = rv_op_cpop; break;
2893                       /* 0b0000011 */
2894                     case 0b0000100: op = rv_op_sext_b; break;
2895                     case 0b0000101: op = rv_op_sext_h; break;
2896                     }
2897                     break;
2898                 }
2899                 break;
2900             case 2: op = rv_op_slti; break;
2901             case 3: op = rv_op_sltiu; break;
2902             case 4: op = rv_op_xori; break;
2903             case 5:
2904                 switch ((inst >> 27) & 0b11111) {
2905                 case 0b00000: op = rv_op_srli; break;
2906                 case 0b00001:
2907                     switch ((inst >> 20) & 0b1111111) {
2908                     case 0b0001111: op = rv_op_unzip; break;
2909                     }
2910                     break;
2911                 case 0b00101: op = rv_op_orc_b; break;
2912                 case 0b01000: op = rv_op_srai; break;
2913                 case 0b01001: op = rv_op_bexti; break;
2914                 case 0b01100: op = rv_op_rori; break;
2915                 case 0b01101:
2916                     switch ((inst >> 20) & 0b1111111) {
2917                     case 0b0011000: op = rv_op_rev8; break;
2918                     case 0b0111000: op = rv_op_rev8; break;
2919                     case 0b0000111: op = rv_op_brev8; break;
2920                     }
2921                     break;
2922                 }
2923                 break;
2924             case 6: op = rv_op_ori; break;
2925             case 7: op = rv_op_andi; break;
2926             }
2927             break;
2928         case 5: op = rv_op_auipc; break;
2929         case 6:
2930             switch ((inst >> 12) & 0b111) {
2931             case 0: op = rv_op_addiw; break;
2932             case 1:
2933                 switch ((inst >> 26) & 0b111111) {
2934                 case 0: op = rv_op_slliw; break;
2935                 case 2: op = rv_op_slli_uw; break;
2936                 case 24:
2937                     switch ((inst >> 20) & 0b11111) {
2938                     case 0b00000: op = rv_op_clzw; break;
2939                     case 0b00001: op = rv_op_ctzw; break;
2940                     case 0b00010: op = rv_op_cpopw; break;
2941                     }
2942                     break;
2943                 }
2944                 break;
2945             case 5:
2946                 switch ((inst >> 25) & 0b1111111) {
2947                 case 0: op = rv_op_srliw; break;
2948                 case 32: op = rv_op_sraiw; break;
2949                 case 48: op = rv_op_roriw; break;
2950                 }
2951                 break;
2952             }
2953             break;
2954         case 8:
2955             switch ((inst >> 12) & 0b111) {
2956             case 0: op = rv_op_sb; break;
2957             case 1: op = rv_op_sh; break;
2958             case 2: op = rv_op_sw; break;
2959             case 3: op = rv_op_sd; break;
2960             case 4: op = rv_op_sq; break;
2961             }
2962             break;
2963         case 9:
2964             switch ((inst >> 12) & 0b111) {
2965             case 0:
2966                 switch ((inst >> 20) & 0b111111111111) {
2967                 case 40: op = rv_op_vs1r_v; break;
2968                 case 552: op = rv_op_vs2r_v; break;
2969                 case 1576: op = rv_op_vs4r_v; break;
2970                 case 3624: op = rv_op_vs8r_v; break;
2971                 }
2972                 switch ((inst >> 26) & 0b111) {
2973                 case 0:
2974                     switch ((inst >> 20) & 0b11111) {
2975                     case 0: op = rv_op_vse8_v; break;
2976                     case 11: op = rv_op_vsm_v; break;
2977                     }
2978                     break;
2979                 case 1: op = rv_op_vsuxei8_v; break;
2980                 case 2: op = rv_op_vsse8_v; break;
2981                 case 3: op = rv_op_vsoxei8_v; break;
2982                 }
2983                 break;
2984             case 1: op = rv_op_fsh; break;
2985             case 2: op = rv_op_fsw; break;
2986             case 3: op = rv_op_fsd; break;
2987             case 4: op = rv_op_fsq; break;
2988             case 5:
2989                 switch ((inst >> 26) & 0b111) {
2990                 case 0:
2991                     switch ((inst >> 20) & 0b11111) {
2992                     case 0: op = rv_op_vse16_v; break;
2993                     }
2994                     break;
2995                 case 1: op = rv_op_vsuxei16_v; break;
2996                 case 2: op = rv_op_vsse16_v; break;
2997                 case 3: op = rv_op_vsoxei16_v; break;
2998                 }
2999                 break;
3000             case 6:
3001                 switch ((inst >> 26) & 0b111) {
3002                 case 0:
3003                     switch ((inst >> 20) & 0b11111) {
3004                     case 0: op = rv_op_vse32_v; break;
3005                     }
3006                     break;
3007                 case 1: op = rv_op_vsuxei32_v; break;
3008                 case 2: op = rv_op_vsse32_v; break;
3009                 case 3: op = rv_op_vsoxei32_v; break;
3010                 }
3011                 break;
3012             case 7:
3013                 switch ((inst >> 26) & 0b111) {
3014                 case 0:
3015                     switch ((inst >> 20) & 0b11111) {
3016                     case 0: op = rv_op_vse64_v; break;
3017                     }
3018                     break;
3019                 case 1: op = rv_op_vsuxei64_v; break;
3020                 case 2: op = rv_op_vsse64_v; break;
3021                 case 3: op = rv_op_vsoxei64_v; break;
3022                 }
3023                 break;
3024             }
3025             break;
3026         case 11:
3027             switch (((inst >> 24) & 0b11111000) |
3028                     ((inst >> 12) & 0b00000111)) {
3029             case 0: op = rv_op_amoadd_b; break;
3030             case 1: op = rv_op_amoadd_h; break;
3031             case 2: op = rv_op_amoadd_w; break;
3032             case 3: op = rv_op_amoadd_d; break;
3033             case 4: op = rv_op_amoadd_q; break;
3034             case 8: op = rv_op_amoswap_b; break;
3035             case 9: op = rv_op_amoswap_h; break;
3036             case 10: op = rv_op_amoswap_w; break;
3037             case 11: op = rv_op_amoswap_d; break;
3038             case 12: op = rv_op_amoswap_q; break;
3039             case 18:
3040                 switch ((inst >> 20) & 0b11111) {
3041                 case 0: op = rv_op_lr_w; break;
3042                 }
3043                 break;
3044             case 19:
3045                 switch ((inst >> 20) & 0b11111) {
3046                 case 0: op = rv_op_lr_d; break;
3047                 }
3048                 break;
3049             case 20:
3050                 switch ((inst >> 20) & 0b11111) {
3051                 case 0: op = rv_op_lr_q; break;
3052                 }
3053                 break;
3054             case 26: op = rv_op_sc_w; break;
3055             case 27: op = rv_op_sc_d; break;
3056             case 28: op = rv_op_sc_q; break;
3057             case 32: op = rv_op_amoxor_b; break;
3058             case 33: op = rv_op_amoxor_h; break;
3059             case 34: op = rv_op_amoxor_w; break;
3060             case 35: op = rv_op_amoxor_d; break;
3061             case 36: op = rv_op_amoxor_q; break;
3062             case 40: op = rv_op_amocas_b; break;
3063             case 41: op = rv_op_amocas_h; break;
3064             case 42: op = rv_op_amocas_w; break;
3065             case 43: op = rv_op_amocas_d; break;
3066             case 44: op = rv_op_amocas_q; break;
3067             case 64: op = rv_op_amoor_b; break;
3068             case 65: op = rv_op_amoor_h; break;
3069             case 66: op = rv_op_amoor_w; break;
3070             case 67: op = rv_op_amoor_d; break;
3071             case 68: op = rv_op_amoor_q; break;
3072             case 96: op = rv_op_amoand_b; break;
3073             case 97: op = rv_op_amoand_h; break;
3074             case 98: op = rv_op_amoand_w; break;
3075             case 99: op = rv_op_amoand_d; break;
3076             case 100: op = rv_op_amoand_q; break;
3077             case 128: op = rv_op_amomin_b; break;
3078             case 129: op = rv_op_amomin_h; break;
3079             case 130: op = rv_op_amomin_w; break;
3080             case 131: op = rv_op_amomin_d; break;
3081             case 132: op = rv_op_amomin_q; break;
3082             case 160: op = rv_op_amomax_b; break;
3083             case 161: op = rv_op_amomax_h; break;
3084             case 162: op = rv_op_amomax_w; break;
3085             case 163: op = rv_op_amomax_d; break;
3086             case 164: op = rv_op_amomax_q; break;
3087             case 192: op = rv_op_amominu_b; break;
3088             case 193: op = rv_op_amominu_h; break;
3089             case 194: op = rv_op_amominu_w; break;
3090             case 195: op = rv_op_amominu_d; break;
3091             case 196: op = rv_op_amominu_q; break;
3092             case 224: op = rv_op_amomaxu_b; break;
3093             case 225: op = rv_op_amomaxu_h; break;
3094             case 226: op = rv_op_amomaxu_w; break;
3095             case 227: op = rv_op_amomaxu_d; break;
3096             case 228: op = rv_op_amomaxu_q; break;
3097             }
3098             break;
3099         case 12:
3100             switch (((inst >> 22) & 0b1111111000) |
3101                     ((inst >> 12) & 0b0000000111)) {
3102             case 0: op = rv_op_add; break;
3103             case 1: op = rv_op_sll; break;
3104             case 2: op = rv_op_slt; break;
3105             case 3: op = rv_op_sltu; break;
3106             case 4: op = rv_op_xor; break;
3107             case 5: op = rv_op_srl; break;
3108             case 6: op = rv_op_or; break;
3109             case 7: op = rv_op_and; break;
3110             case 8: op = rv_op_mul; break;
3111             case 9: op = rv_op_mulh; break;
3112             case 10: op = rv_op_mulhsu; break;
3113             case 11: op = rv_op_mulhu; break;
3114             case 12: op = rv_op_div; break;
3115             case 13: op = rv_op_divu; break;
3116             case 14: op = rv_op_rem; break;
3117             case 15: op = rv_op_remu; break;
3118             case 36:
3119                 switch ((inst >> 20) & 0b11111) {
3120                 case 0: op = rv_op_zext_h; break;
3121                 default: op = rv_op_pack; break;
3122                 }
3123                 break;
3124             case 39: op = rv_op_packh; break;
3125 
3126             case 41: op = rv_op_clmul; break;
3127             case 42: op = rv_op_clmulr; break;
3128             case 43: op = rv_op_clmulh; break;
3129             case 44: op = rv_op_min; break;
3130             case 45: op = rv_op_minu; break;
3131             case 46: op = rv_op_max; break;
3132             case 47: op = rv_op_maxu; break;
3133             case 075: op = rv_op_czero_eqz; break;
3134             case 077: op = rv_op_czero_nez; break;
3135             case 130: op = rv_op_sh1add; break;
3136             case 132: op = rv_op_sh2add; break;
3137             case 134: op = rv_op_sh3add; break;
3138             case 161: op = rv_op_bset; break;
3139             case 162: op = rv_op_xperm4; break;
3140             case 164: op = rv_op_xperm8; break;
3141             case 200: op = rv_op_aes64es; break;
3142             case 216: op = rv_op_aes64esm; break;
3143             case 232: op = rv_op_aes64ds; break;
3144             case 248: op = rv_op_aes64dsm; break;
3145             case 256: op = rv_op_sub; break;
3146             case 260: op = rv_op_xnor; break;
3147             case 261: op = rv_op_sra; break;
3148             case 262: op = rv_op_orn; break;
3149             case 263: op = rv_op_andn; break;
3150             case 289: op = rv_op_bclr; break;
3151             case 293: op = rv_op_bext; break;
3152             case 320: op = rv_op_sha512sum0r; break;
3153             case 328: op = rv_op_sha512sum1r; break;
3154             case 336: op = rv_op_sha512sig0l; break;
3155             case 344: op = rv_op_sha512sig1l; break;
3156             case 368: op = rv_op_sha512sig0h; break;
3157             case 376: op = rv_op_sha512sig1h; break;
3158             case 385: op = rv_op_rol; break;
3159             case 389: op = rv_op_ror; break;
3160             case 417: op = rv_op_binv; break;
3161             case 504: op = rv_op_aes64ks2; break;
3162             }
3163             switch ((inst >> 25) & 0b0011111) {
3164             case 17: op = rv_op_aes32esi; break;
3165             case 19: op = rv_op_aes32esmi; break;
3166             case 21: op = rv_op_aes32dsi; break;
3167             case 23: op = rv_op_aes32dsmi; break;
3168             case 24: op = rv_op_sm4ed; break;
3169             case 26: op = rv_op_sm4ks; break;
3170             }
3171             break;
3172         case 13: op = rv_op_lui; break;
3173         case 14:
3174             switch (((inst >> 22) & 0b1111111000) |
3175                     ((inst >> 12) & 0b0000000111)) {
3176             case 0: op = rv_op_addw; break;
3177             case 1: op = rv_op_sllw; break;
3178             case 5: op = rv_op_srlw; break;
3179             case 8: op = rv_op_mulw; break;
3180             case 12: op = rv_op_divw; break;
3181             case 13: op = rv_op_divuw; break;
3182             case 14: op = rv_op_remw; break;
3183             case 15: op = rv_op_remuw; break;
3184             case 32: op = rv_op_add_uw; break;
3185             case 36:
3186                 switch ((inst >> 20) & 0b11111) {
3187                 case 0: op = rv_op_zext_h; break;
3188                 default: op = rv_op_packw; break;
3189                 }
3190                 break;
3191             case 130: op = rv_op_sh1add_uw; break;
3192             case 132: op = rv_op_sh2add_uw; break;
3193             case 134: op = rv_op_sh3add_uw; break;
3194             case 256: op = rv_op_subw; break;
3195             case 261: op = rv_op_sraw; break;
3196             case 385: op = rv_op_rolw; break;
3197             case 389: op = rv_op_rorw; break;
3198             }
3199             break;
3200         case 16:
3201             switch ((inst >> 25) & 0b11) {
3202             case 0: op = rv_op_fmadd_s; break;
3203             case 1: op = rv_op_fmadd_d; break;
3204             case 3: op = rv_op_fmadd_q; break;
3205             }
3206             break;
3207         case 17:
3208             switch ((inst >> 25) & 0b11) {
3209             case 0: op = rv_op_fmsub_s; break;
3210             case 1: op = rv_op_fmsub_d; break;
3211             case 3: op = rv_op_fmsub_q; break;
3212             }
3213             break;
3214         case 18:
3215             switch ((inst >> 25) & 0b11) {
3216             case 0: op = rv_op_fnmsub_s; break;
3217             case 1: op = rv_op_fnmsub_d; break;
3218             case 3: op = rv_op_fnmsub_q; break;
3219             }
3220             break;
3221         case 19:
3222             switch ((inst >> 25) & 0b11) {
3223             case 0: op = rv_op_fnmadd_s; break;
3224             case 1: op = rv_op_fnmadd_d; break;
3225             case 3: op = rv_op_fnmadd_q; break;
3226             }
3227             break;
3228         case 20:
3229             switch ((inst >> 25) & 0b1111111) {
3230             case 0: op = rv_op_fadd_s; break;
3231             case 1: op = rv_op_fadd_d; break;
3232             case 3: op = rv_op_fadd_q; break;
3233             case 4: op = rv_op_fsub_s; break;
3234             case 5: op = rv_op_fsub_d; break;
3235             case 7: op = rv_op_fsub_q; break;
3236             case 8: op = rv_op_fmul_s; break;
3237             case 9: op = rv_op_fmul_d; break;
3238             case 11: op = rv_op_fmul_q; break;
3239             case 12: op = rv_op_fdiv_s; break;
3240             case 13: op = rv_op_fdiv_d; break;
3241             case 15: op = rv_op_fdiv_q; break;
3242             case 16:
3243                 switch ((inst >> 12) & 0b111) {
3244                 case 0: op = rv_op_fsgnj_s; break;
3245                 case 1: op = rv_op_fsgnjn_s; break;
3246                 case 2: op = rv_op_fsgnjx_s; break;
3247                 }
3248                 break;
3249             case 17:
3250                 switch ((inst >> 12) & 0b111) {
3251                 case 0: op = rv_op_fsgnj_d; break;
3252                 case 1: op = rv_op_fsgnjn_d; break;
3253                 case 2: op = rv_op_fsgnjx_d; break;
3254                 }
3255                 break;
3256             case 19:
3257                 switch ((inst >> 12) & 0b111) {
3258                 case 0: op = rv_op_fsgnj_q; break;
3259                 case 1: op = rv_op_fsgnjn_q; break;
3260                 case 2: op = rv_op_fsgnjx_q; break;
3261                 }
3262                 break;
3263             case 20:
3264                 switch ((inst >> 12) & 0b111) {
3265                 case 0: op = rv_op_fmin_s; break;
3266                 case 1: op = rv_op_fmax_s; break;
3267                 case 2: op = rv_op_fminm_s; break;
3268                 case 3: op = rv_op_fmaxm_s; break;
3269                 }
3270                 break;
3271             case 21:
3272                 switch ((inst >> 12) & 0b111) {
3273                 case 0: op = rv_op_fmin_d; break;
3274                 case 1: op = rv_op_fmax_d; break;
3275                 case 2: op = rv_op_fminm_d; break;
3276                 case 3: op = rv_op_fmaxm_d; break;
3277                 }
3278                 break;
3279             case 22:
3280                 switch (((inst >> 12) & 0b111)) {
3281                 case 2: op = rv_op_fminm_h; break;
3282                 case 3: op = rv_op_fmaxm_h; break;
3283                 }
3284                 break;
3285             case 23:
3286                 switch ((inst >> 12) & 0b111) {
3287                 case 0: op = rv_op_fmin_q; break;
3288                 case 1: op = rv_op_fmax_q; break;
3289                 case 2: op = rv_op_fminm_q; break;
3290                 case 3: op = rv_op_fmaxm_q; break;
3291                 }
3292                 break;
3293             case 32:
3294                 switch ((inst >> 20) & 0b11111) {
3295                 case 1: op = rv_op_fcvt_s_d; break;
3296                 case 3: op = rv_op_fcvt_s_q; break;
3297                 case 4: op = rv_op_fround_s; break;
3298                 case 5: op = rv_op_froundnx_s; break;
3299                 case 6: op = rv_op_fcvt_s_bf16; break;
3300                 }
3301                 break;
3302             case 33:
3303                 switch ((inst >> 20) & 0b11111) {
3304                 case 0: op = rv_op_fcvt_d_s; break;
3305                 case 3: op = rv_op_fcvt_d_q; break;
3306                 case 4: op = rv_op_fround_d; break;
3307                 case 5: op = rv_op_froundnx_d; break;
3308                 }
3309                 break;
3310             case 34:
3311                 switch (((inst >> 20) & 0b11111)) {
3312                 case 4: op = rv_op_fround_h; break;
3313                 case 5: op = rv_op_froundnx_h; break;
3314                 case 8: op = rv_op_fcvt_bf16_s; break;
3315                 }
3316                 break;
3317             case 35:
3318                 switch ((inst >> 20) & 0b11111) {
3319                 case 0: op = rv_op_fcvt_q_s; break;
3320                 case 1: op = rv_op_fcvt_q_d; break;
3321                 case 4: op = rv_op_fround_q; break;
3322                 case 5: op = rv_op_froundnx_q; break;
3323                 }
3324                 break;
3325             case 44:
3326                 switch ((inst >> 20) & 0b11111) {
3327                 case 0: op = rv_op_fsqrt_s; break;
3328                 }
3329                 break;
3330             case 45:
3331                 switch ((inst >> 20) & 0b11111) {
3332                 case 0: op = rv_op_fsqrt_d; break;
3333                 }
3334                 break;
3335             case 47:
3336                 switch ((inst >> 20) & 0b11111) {
3337                 case 0: op = rv_op_fsqrt_q; break;
3338                 }
3339                 break;
3340             case 80:
3341                 switch ((inst >> 12) & 0b111) {
3342                 case 0: op = rv_op_fle_s; break;
3343                 case 1: op = rv_op_flt_s; break;
3344                 case 2: op = rv_op_feq_s; break;
3345                 case 4: op = rv_op_fleq_s; break;
3346                 case 5: op = rv_op_fltq_s; break;
3347                 }
3348                 break;
3349             case 81:
3350                 switch ((inst >> 12) & 0b111) {
3351                 case 0: op = rv_op_fle_d; break;
3352                 case 1: op = rv_op_flt_d; break;
3353                 case 2: op = rv_op_feq_d; break;
3354                 case 4: op = rv_op_fleq_d; break;
3355                 case 5: op = rv_op_fltq_d; break;
3356                 }
3357                 break;
3358             case 82:
3359                 switch (((inst >> 12) & 0b111)) {
3360                 case 4: op = rv_op_fleq_h; break;
3361                 case 5: op = rv_op_fltq_h; break;
3362                 }
3363                 break;
3364             case 83:
3365                 switch ((inst >> 12) & 0b111) {
3366                 case 0: op = rv_op_fle_q; break;
3367                 case 1: op = rv_op_flt_q; break;
3368                 case 2: op = rv_op_feq_q; break;
3369                 case 4: op = rv_op_fleq_q; break;
3370                 case 5: op = rv_op_fltq_q; break;
3371                 }
3372                 break;
3373             case 89:
3374                 switch (((inst >> 12) & 0b111)) {
3375                 case 0: op = rv_op_fmvp_d_x; break;
3376                 }
3377                 break;
3378             case 91:
3379                 switch (((inst >> 12) & 0b111)) {
3380                 case 0: op = rv_op_fmvp_q_x; break;
3381                 }
3382                 break;
3383             case 96:
3384                 switch ((inst >> 20) & 0b11111) {
3385                 case 0: op = rv_op_fcvt_w_s; break;
3386                 case 1: op = rv_op_fcvt_wu_s; break;
3387                 case 2: op = rv_op_fcvt_l_s; break;
3388                 case 3: op = rv_op_fcvt_lu_s; break;
3389                 }
3390                 break;
3391             case 97:
3392                 switch ((inst >> 20) & 0b11111) {
3393                 case 0: op = rv_op_fcvt_w_d; break;
3394                 case 1: op = rv_op_fcvt_wu_d; break;
3395                 case 2: op = rv_op_fcvt_l_d; break;
3396                 case 3: op = rv_op_fcvt_lu_d; break;
3397                 case 8: op = rv_op_fcvtmod_w_d; break;
3398                 }
3399                 break;
3400             case 99:
3401                 switch ((inst >> 20) & 0b11111) {
3402                 case 0: op = rv_op_fcvt_w_q; break;
3403                 case 1: op = rv_op_fcvt_wu_q; break;
3404                 case 2: op = rv_op_fcvt_l_q; break;
3405                 case 3: op = rv_op_fcvt_lu_q; break;
3406                 }
3407                 break;
3408             case 104:
3409                 switch ((inst >> 20) & 0b11111) {
3410                 case 0: op = rv_op_fcvt_s_w; break;
3411                 case 1: op = rv_op_fcvt_s_wu; break;
3412                 case 2: op = rv_op_fcvt_s_l; break;
3413                 case 3: op = rv_op_fcvt_s_lu; break;
3414                 }
3415                 break;
3416             case 105:
3417                 switch ((inst >> 20) & 0b11111) {
3418                 case 0: op = rv_op_fcvt_d_w; break;
3419                 case 1: op = rv_op_fcvt_d_wu; break;
3420                 case 2: op = rv_op_fcvt_d_l; break;
3421                 case 3: op = rv_op_fcvt_d_lu; break;
3422                 }
3423                 break;
3424             case 107:
3425                 switch ((inst >> 20) & 0b11111) {
3426                 case 0: op = rv_op_fcvt_q_w; break;
3427                 case 1: op = rv_op_fcvt_q_wu; break;
3428                 case 2: op = rv_op_fcvt_q_l; break;
3429                 case 3: op = rv_op_fcvt_q_lu; break;
3430                 }
3431                 break;
3432             case 112:
3433                 switch (((inst >> 17) & 0b11111000) |
3434                         ((inst >> 12) & 0b00000111)) {
3435                 case 0: op = rv_op_fmv_x_s; break;
3436                 case 1: op = rv_op_fclass_s; break;
3437                 }
3438                 break;
3439             case 113:
3440                 switch (((inst >> 17) & 0b11111000) |
3441                         ((inst >> 12) & 0b00000111)) {
3442                 case 0: op = rv_op_fmv_x_d; break;
3443                 case 1: op = rv_op_fclass_d; break;
3444                 case 8: op = rv_op_fmvh_x_d; break;
3445                 }
3446                 break;
3447             case 114:
3448                 switch (((inst >> 17) & 0b11111000) |
3449                         ((inst >> 12) & 0b00000111)) {
3450                 case 0: op = rv_op_fmv_x_h; break;
3451                 }
3452                 break;
3453             case 115:
3454                 switch (((inst >> 17) & 0b11111000) |
3455                         ((inst >> 12) & 0b00000111)) {
3456                 case 0: op = rv_op_fmv_x_q; break;
3457                 case 1: op = rv_op_fclass_q; break;
3458                 case 8: op = rv_op_fmvh_x_q; break;
3459                 }
3460                 break;
3461             case 120:
3462                 switch (((inst >> 17) & 0b11111000) |
3463                         ((inst >> 12) & 0b00000111)) {
3464                 case 0: op = rv_op_fmv_s_x; break;
3465                 case 8: op = rv_op_fli_s; break;
3466                 }
3467                 break;
3468             case 121:
3469                 switch (((inst >> 17) & 0b11111000) |
3470                         ((inst >> 12) & 0b00000111)) {
3471                 case 0: op = rv_op_fmv_d_x; break;
3472                 case 8: op = rv_op_fli_d; break;
3473                 }
3474                 break;
3475             case 122:
3476                 switch (((inst >> 17) & 0b11111000) |
3477                         ((inst >> 12) & 0b00000111)) {
3478                 case 0: op = rv_op_fmv_h_x; break;
3479                 case 8: op = rv_op_fli_h; break;
3480                 }
3481                 break;
3482             case 123:
3483                 switch (((inst >> 17) & 0b11111000) |
3484                         ((inst >> 12) & 0b00000111)) {
3485                 case 0: op = rv_op_fmv_q_x; break;
3486                 case 8: op = rv_op_fli_q; break;
3487                 }
3488                 break;
3489             }
3490             break;
3491         case 21:
3492             switch ((inst >> 12) & 0b111) {
3493             case 0:
3494                 switch ((inst >> 26) & 0b111111) {
3495                 case 0: op = rv_op_vadd_vv; break;
3496                 case 1: op = rv_op_vandn_vv; break;
3497                 case 2: op = rv_op_vsub_vv; break;
3498                 case 4: op = rv_op_vminu_vv; break;
3499                 case 5: op = rv_op_vmin_vv; break;
3500                 case 6: op = rv_op_vmaxu_vv; break;
3501                 case 7: op = rv_op_vmax_vv; break;
3502                 case 9: op = rv_op_vand_vv; break;
3503                 case 10: op = rv_op_vor_vv; break;
3504                 case 11: op = rv_op_vxor_vv; break;
3505                 case 12: op = rv_op_vrgather_vv; break;
3506                 case 14: op = rv_op_vrgatherei16_vv; break;
3507                 case 16:
3508                     if (((inst >> 25) & 1) == 0) {
3509                         op = rv_op_vadc_vvm;
3510                     }
3511                     break;
3512                 case 17: op = rv_op_vmadc_vvm; break;
3513                 case 18:
3514                     if (((inst >> 25) & 1) == 0) {
3515                         op = rv_op_vsbc_vvm;
3516                     }
3517                     break;
3518                 case 19: op = rv_op_vmsbc_vvm; break;
3519                 case 20: op = rv_op_vror_vv; break;
3520                 case 21: op = rv_op_vrol_vv; break;
3521                 case 23:
3522                     if (((inst >> 20) & 0b111111) == 32)
3523                         op = rv_op_vmv_v_v;
3524                     else if (((inst >> 25) & 1) == 0)
3525                         op = rv_op_vmerge_vvm;
3526                     break;
3527                 case 24: op = rv_op_vmseq_vv; break;
3528                 case 25: op = rv_op_vmsne_vv; break;
3529                 case 26: op = rv_op_vmsltu_vv; break;
3530                 case 27: op = rv_op_vmslt_vv; break;
3531                 case 28: op = rv_op_vmsleu_vv; break;
3532                 case 29: op = rv_op_vmsle_vv; break;
3533                 case 32: op = rv_op_vsaddu_vv; break;
3534                 case 33: op = rv_op_vsadd_vv; break;
3535                 case 34: op = rv_op_vssubu_vv; break;
3536                 case 35: op = rv_op_vssub_vv; break;
3537                 case 37: op = rv_op_vsll_vv; break;
3538                 case 39: op = rv_op_vsmul_vv; break;
3539                 case 40: op = rv_op_vsrl_vv; break;
3540                 case 41: op = rv_op_vsra_vv; break;
3541                 case 42: op = rv_op_vssrl_vv; break;
3542                 case 43: op = rv_op_vssra_vv; break;
3543                 case 44: op = rv_op_vnsrl_wv; break;
3544                 case 45: op = rv_op_vnsra_wv; break;
3545                 case 46: op = rv_op_vnclipu_wv; break;
3546                 case 47: op = rv_op_vnclip_wv; break;
3547                 case 48: op = rv_op_vwredsumu_vs; break;
3548                 case 49: op = rv_op_vwredsum_vs; break;
3549                 case 53: op = rv_op_vwsll_vv; break;
3550                 }
3551                 break;
3552             case 1:
3553                 switch ((inst >> 26) & 0b111111) {
3554                 case 0: op = rv_op_vfadd_vv; break;
3555                 case 1: op = rv_op_vfredusum_vs; break;
3556                 case 2: op = rv_op_vfsub_vv; break;
3557                 case 3: op = rv_op_vfredosum_vs; break;
3558                 case 4: op = rv_op_vfmin_vv; break;
3559                 case 5: op = rv_op_vfredmin_vs; break;
3560                 case 6: op = rv_op_vfmax_vv; break;
3561                 case 7: op = rv_op_vfredmax_vs; break;
3562                 case 8: op = rv_op_vfsgnj_vv; break;
3563                 case 9: op = rv_op_vfsgnjn_vv; break;
3564                 case 10: op = rv_op_vfsgnjx_vv; break;
3565                 case 16:
3566                     switch ((inst >> 15) & 0b11111) {
3567                     case 0: if ((inst >> 25) & 1) op = rv_op_vfmv_f_s; break;
3568                     }
3569                     break;
3570                 case 18:
3571                     switch ((inst >> 15) & 0b11111) {
3572                     case 0: op = rv_op_vfcvt_xu_f_v; break;
3573                     case 1: op = rv_op_vfcvt_x_f_v; break;
3574                     case 2: op = rv_op_vfcvt_f_xu_v; break;
3575                     case 3: op = rv_op_vfcvt_f_x_v; break;
3576                     case 6: op = rv_op_vfcvt_rtz_xu_f_v; break;
3577                     case 7: op = rv_op_vfcvt_rtz_x_f_v; break;
3578                     case 8: op = rv_op_vfwcvt_xu_f_v; break;
3579                     case 9: op = rv_op_vfwcvt_x_f_v; break;
3580                     case 10: op = rv_op_vfwcvt_f_xu_v; break;
3581                     case 11: op = rv_op_vfwcvt_f_x_v; break;
3582                     case 12: op = rv_op_vfwcvt_f_f_v; break;
3583                     case 13: op = rv_op_vfwcvtbf16_f_f_v; break;
3584                     case 14: op = rv_op_vfwcvt_rtz_xu_f_v; break;
3585                     case 15: op = rv_op_vfwcvt_rtz_x_f_v; break;
3586                     case 16: op = rv_op_vfncvt_xu_f_w; break;
3587                     case 17: op = rv_op_vfncvt_x_f_w; break;
3588                     case 18: op = rv_op_vfncvt_f_xu_w; break;
3589                     case 19: op = rv_op_vfncvt_f_x_w; break;
3590                     case 20: op = rv_op_vfncvt_f_f_w; break;
3591                     case 21: op = rv_op_vfncvt_rod_f_f_w; break;
3592                     case 22: op = rv_op_vfncvt_rtz_xu_f_w; break;
3593                     case 23: op = rv_op_vfncvt_rtz_x_f_w; break;
3594                     case 29: op = rv_op_vfncvtbf16_f_f_w; break;
3595                     }
3596                     break;
3597                 case 19:
3598                     switch ((inst >> 15) & 0b11111) {
3599                     case 0: op = rv_op_vfsqrt_v; break;
3600                     case 4: op = rv_op_vfrsqrt7_v; break;
3601                     case 5: op = rv_op_vfrec7_v; break;
3602                     case 16: op = rv_op_vfclass_v; break;
3603                     }
3604                     break;
3605                 case 24: op = rv_op_vmfeq_vv; break;
3606                 case 25: op = rv_op_vmfle_vv; break;
3607                 case 27: op = rv_op_vmflt_vv; break;
3608                 case 28: op = rv_op_vmfne_vv; break;
3609                 case 32: op = rv_op_vfdiv_vv; break;
3610                 case 36: op = rv_op_vfmul_vv; break;
3611                 case 40: op = rv_op_vfmadd_vv; break;
3612                 case 41: op = rv_op_vfnmadd_vv; break;
3613                 case 42: op = rv_op_vfmsub_vv; break;
3614                 case 43: op = rv_op_vfnmsub_vv; break;
3615                 case 44: op = rv_op_vfmacc_vv; break;
3616                 case 45: op = rv_op_vfnmacc_vv; break;
3617                 case 46: op = rv_op_vfmsac_vv; break;
3618                 case 47: op = rv_op_vfnmsac_vv; break;
3619                 case 48: op = rv_op_vfwadd_vv; break;
3620                 case 49: op = rv_op_vfwredusum_vs; break;
3621                 case 50: op = rv_op_vfwsub_vv; break;
3622                 case 51: op = rv_op_vfwredosum_vs; break;
3623                 case 52: op = rv_op_vfwadd_wv; break;
3624                 case 54: op = rv_op_vfwsub_wv; break;
3625                 case 56: op = rv_op_vfwmul_vv; break;
3626                 case 59: op = rv_op_vfwmaccbf16_vv; break;
3627                 case 60: op = rv_op_vfwmacc_vv; break;
3628                 case 61: op = rv_op_vfwnmacc_vv; break;
3629                 case 62: op = rv_op_vfwmsac_vv; break;
3630                 case 63: op = rv_op_vfwnmsac_vv; break;
3631                 }
3632                 break;
3633             case 2:
3634                 switch ((inst >> 26) & 0b111111) {
3635                 case 0: op = rv_op_vredsum_vs; break;
3636                 case 1: op = rv_op_vredand_vs; break;
3637                 case 2: op = rv_op_vredor_vs; break;
3638                 case 3: op = rv_op_vredxor_vs; break;
3639                 case 4: op = rv_op_vredminu_vs; break;
3640                 case 5: op = rv_op_vredmin_vs; break;
3641                 case 6: op = rv_op_vredmaxu_vs; break;
3642                 case 7: op = rv_op_vredmax_vs; break;
3643                 case 8: op = rv_op_vaaddu_vv; break;
3644                 case 9: op = rv_op_vaadd_vv; break;
3645                 case 10: op = rv_op_vasubu_vv; break;
3646                 case 11: op = rv_op_vasub_vv; break;
3647                 case 12: op = rv_op_vclmul_vv; break;
3648                 case 13: op = rv_op_vclmulh_vv; break;
3649                 case 16:
3650                     switch ((inst >> 15) & 0b11111) {
3651                     case 0: if ((inst >> 25) & 1) op = rv_op_vmv_x_s; break;
3652                     case 16: op = rv_op_vcpop_m; break;
3653                     case 17: op = rv_op_vfirst_m; break;
3654                     }
3655                     break;
3656                 case 18:
3657                     switch ((inst >> 15) & 0b11111) {
3658                     case 2: op = rv_op_vzext_vf8; break;
3659                     case 3: op = rv_op_vsext_vf8; break;
3660                     case 4: op = rv_op_vzext_vf4; break;
3661                     case 5: op = rv_op_vsext_vf4; break;
3662                     case 6: op = rv_op_vzext_vf2; break;
3663                     case 7: op = rv_op_vsext_vf2; break;
3664                     case 8: op = rv_op_vbrev8_v; break;
3665                     case 9: op = rv_op_vrev8_v; break;
3666                     case 10: op = rv_op_vbrev_v; break;
3667                     case 12: op = rv_op_vclz_v; break;
3668                     case 13: op = rv_op_vctz_v; break;
3669                     case 14: op = rv_op_vcpop_v; break;
3670                     }
3671                     break;
3672                 case 20:
3673                     switch ((inst >> 15) & 0b11111) {
3674                     case 1: op = rv_op_vmsbf_m;  break;
3675                     case 2: op = rv_op_vmsof_m; break;
3676                     case 3: op = rv_op_vmsif_m; break;
3677                     case 16: op = rv_op_viota_m; break;
3678                     case 17:
3679                         if (((inst >> 20) & 0b11111) == 0) {
3680                             op = rv_op_vid_v;
3681                         }
3682                         break;
3683                     }
3684                     break;
3685                 case 23: if ((inst >> 25) & 1) op = rv_op_vcompress_vm; break;
3686                 case 24: if ((inst >> 25) & 1) op = rv_op_vmandn_mm; break;
3687                 case 25: if ((inst >> 25) & 1) op = rv_op_vmand_mm; break;
3688                 case 26: if ((inst >> 25) & 1) op = rv_op_vmor_mm; break;
3689                 case 27: if ((inst >> 25) & 1) op = rv_op_vmxor_mm; break;
3690                 case 28: if ((inst >> 25) & 1) op = rv_op_vmorn_mm; break;
3691                 case 29: if ((inst >> 25) & 1) op = rv_op_vmnand_mm; break;
3692                 case 30: if ((inst >> 25) & 1) op = rv_op_vmnor_mm; break;
3693                 case 31: if ((inst >> 25) & 1) op = rv_op_vmxnor_mm; break;
3694                 case 32: op = rv_op_vdivu_vv; break;
3695                 case 33: op = rv_op_vdiv_vv; break;
3696                 case 34: op = rv_op_vremu_vv; break;
3697                 case 35: op = rv_op_vrem_vv; break;
3698                 case 36: op = rv_op_vmulhu_vv; break;
3699                 case 37: op = rv_op_vmul_vv; break;
3700                 case 38: op = rv_op_vmulhsu_vv; break;
3701                 case 39: op = rv_op_vmulh_vv; break;
3702                 case 41: op = rv_op_vmadd_vv; break;
3703                 case 43: op = rv_op_vnmsub_vv; break;
3704                 case 45: op = rv_op_vmacc_vv; break;
3705                 case 47: op = rv_op_vnmsac_vv; break;
3706                 case 48: op = rv_op_vwaddu_vv; break;
3707                 case 49: op = rv_op_vwadd_vv; break;
3708                 case 50: op = rv_op_vwsubu_vv; break;
3709                 case 51: op = rv_op_vwsub_vv; break;
3710                 case 52: op = rv_op_vwaddu_wv; break;
3711                 case 53: op = rv_op_vwadd_wv; break;
3712                 case 54: op = rv_op_vwsubu_wv; break;
3713                 case 55: op = rv_op_vwsub_wv; break;
3714                 case 56: op = rv_op_vwmulu_vv; break;
3715                 case 58: op = rv_op_vwmulsu_vv; break;
3716                 case 59: op = rv_op_vwmul_vv; break;
3717                 case 60: op = rv_op_vwmaccu_vv; break;
3718                 case 61: op = rv_op_vwmacc_vv; break;
3719                 case 63: op = rv_op_vwmaccsu_vv; break;
3720                 }
3721                 break;
3722             case 3:
3723                 switch ((inst >> 26) & 0b111111) {
3724                 case 0: op = rv_op_vadd_vi; break;
3725                 case 3: op = rv_op_vrsub_vi; break;
3726                 case 9: op = rv_op_vand_vi; break;
3727                 case 10: op = rv_op_vor_vi; break;
3728                 case 11: op = rv_op_vxor_vi; break;
3729                 case 12: op = rv_op_vrgather_vi; break;
3730                 case 14: op = rv_op_vslideup_vi; break;
3731                 case 15: op = rv_op_vslidedown_vi; break;
3732                 case 16:
3733                     if (((inst >> 25) & 1) == 0) {
3734                         op = rv_op_vadc_vim;
3735                     }
3736                     break;
3737                 case 17: op = rv_op_vmadc_vim; break;
3738                 case 20: case 21: op = rv_op_vror_vi; break;
3739                 case 23:
3740                     if (((inst >> 20) & 0b111111) == 32)
3741                         op = rv_op_vmv_v_i;
3742                     else if (((inst >> 25) & 1) == 0)
3743                         op = rv_op_vmerge_vim;
3744                     break;
3745                 case 24: op = rv_op_vmseq_vi; break;
3746                 case 25: op = rv_op_vmsne_vi; break;
3747                 case 28: op = rv_op_vmsleu_vi; break;
3748                 case 29: op = rv_op_vmsle_vi; break;
3749                 case 30: op = rv_op_vmsgtu_vi; break;
3750                 case 31: op = rv_op_vmsgt_vi; break;
3751                 case 32: op = rv_op_vsaddu_vi; break;
3752                 case 33: op = rv_op_vsadd_vi; break;
3753                 case 37: op = rv_op_vsll_vi; break;
3754                 case 39:
3755                     switch ((inst >> 15) & 0b11111) {
3756                     case 0: op = rv_op_vmv1r_v; break;
3757                     case 1: op = rv_op_vmv2r_v; break;
3758                     case 3: op = rv_op_vmv4r_v; break;
3759                     case 7: op = rv_op_vmv8r_v; break;
3760                     }
3761                     break;
3762                 case 40: op = rv_op_vsrl_vi; break;
3763                 case 41: op = rv_op_vsra_vi; break;
3764                 case 42: op = rv_op_vssrl_vi; break;
3765                 case 43: op = rv_op_vssra_vi; break;
3766                 case 44: op = rv_op_vnsrl_wi; break;
3767                 case 45: op = rv_op_vnsra_wi; break;
3768                 case 46: op = rv_op_vnclipu_wi; break;
3769                 case 47: op = rv_op_vnclip_wi; break;
3770                 case 53: op = rv_op_vwsll_vi; break;
3771                 }
3772                 break;
3773             case 4:
3774                 switch ((inst >> 26) & 0b111111) {
3775                 case 0: op = rv_op_vadd_vx; break;
3776                 case 1: op = rv_op_vandn_vx; break;
3777                 case 2: op = rv_op_vsub_vx; break;
3778                 case 3: op = rv_op_vrsub_vx; break;
3779                 case 4: op = rv_op_vminu_vx; break;
3780                 case 5: op = rv_op_vmin_vx; break;
3781                 case 6: op = rv_op_vmaxu_vx; break;
3782                 case 7: op = rv_op_vmax_vx; break;
3783                 case 9: op = rv_op_vand_vx; break;
3784                 case 10: op = rv_op_vor_vx; break;
3785                 case 11: op = rv_op_vxor_vx; break;
3786                 case 12: op = rv_op_vrgather_vx; break;
3787                 case 14: op = rv_op_vslideup_vx; break;
3788                 case 15: op = rv_op_vslidedown_vx; break;
3789                 case 16:
3790                     if (((inst >> 25) & 1) == 0) {
3791                         op = rv_op_vadc_vxm;
3792                     }
3793                     break;
3794                 case 17: op = rv_op_vmadc_vxm; break;
3795                 case 18:
3796                     if (((inst >> 25) & 1) == 0) {
3797                         op = rv_op_vsbc_vxm;
3798                     }
3799                     break;
3800                 case 19: op = rv_op_vmsbc_vxm; break;
3801                 case 20: op = rv_op_vror_vx; break;
3802                 case 21: op = rv_op_vrol_vx; break;
3803                 case 23:
3804                     if (((inst >> 20) & 0b111111) == 32)
3805                         op = rv_op_vmv_v_x;
3806                     else if (((inst >> 25) & 1) == 0)
3807                         op = rv_op_vmerge_vxm;
3808                     break;
3809                 case 24: op = rv_op_vmseq_vx; break;
3810                 case 25: op = rv_op_vmsne_vx; break;
3811                 case 26: op = rv_op_vmsltu_vx; break;
3812                 case 27: op = rv_op_vmslt_vx; break;
3813                 case 28: op = rv_op_vmsleu_vx; break;
3814                 case 29: op = rv_op_vmsle_vx; break;
3815                 case 30: op = rv_op_vmsgtu_vx; break;
3816                 case 31: op = rv_op_vmsgt_vx; break;
3817                 case 32: op = rv_op_vsaddu_vx; break;
3818                 case 33: op = rv_op_vsadd_vx; break;
3819                 case 34: op = rv_op_vssubu_vx; break;
3820                 case 35: op = rv_op_vssub_vx; break;
3821                 case 37: op = rv_op_vsll_vx; break;
3822                 case 39: op = rv_op_vsmul_vx; break;
3823                 case 40: op = rv_op_vsrl_vx; break;
3824                 case 41: op = rv_op_vsra_vx; break;
3825                 case 42: op = rv_op_vssrl_vx; break;
3826                 case 43: op = rv_op_vssra_vx; break;
3827                 case 44: op = rv_op_vnsrl_wx; break;
3828                 case 45: op = rv_op_vnsra_wx; break;
3829                 case 46: op = rv_op_vnclipu_wx; break;
3830                 case 47: op = rv_op_vnclip_wx; break;
3831                 case 53: op = rv_op_vwsll_vx; break;
3832                 }
3833                 break;
3834             case 5:
3835                 switch ((inst >> 26) & 0b111111) {
3836                 case 0: op = rv_op_vfadd_vf; break;
3837                 case 2: op = rv_op_vfsub_vf; break;
3838                 case 4: op = rv_op_vfmin_vf; break;
3839                 case 6: op = rv_op_vfmax_vf; break;
3840                 case 8: op = rv_op_vfsgnj_vf; break;
3841                 case 9: op = rv_op_vfsgnjn_vf; break;
3842                 case 10: op = rv_op_vfsgnjx_vf; break;
3843                 case 14: op = rv_op_vfslide1up_vf; break;
3844                 case 15: op = rv_op_vfslide1down_vf; break;
3845                 case 16:
3846                     switch ((inst >> 20) & 0b11111) {
3847                     case 0: if ((inst >> 25) & 1) op = rv_op_vfmv_s_f; break;
3848                     }
3849                     break;
3850                 case 23:
3851                     if (((inst >> 25) & 1) == 0)
3852                         op = rv_op_vfmerge_vfm;
3853                     else if (((inst >> 20) & 0b111111) == 32)
3854                         op = rv_op_vfmv_v_f;
3855                     break;
3856                 case 24: op = rv_op_vmfeq_vf; break;
3857                 case 25: op = rv_op_vmfle_vf; break;
3858                 case 27: op = rv_op_vmflt_vf; break;
3859                 case 28: op = rv_op_vmfne_vf; break;
3860                 case 29: op = rv_op_vmfgt_vf; break;
3861                 case 31: op = rv_op_vmfge_vf; break;
3862                 case 32: op = rv_op_vfdiv_vf; break;
3863                 case 33: op = rv_op_vfrdiv_vf; break;
3864                 case 36: op = rv_op_vfmul_vf; break;
3865                 case 39: op = rv_op_vfrsub_vf; break;
3866                 case 40: op = rv_op_vfmadd_vf; break;
3867                 case 41: op = rv_op_vfnmadd_vf; break;
3868                 case 42: op = rv_op_vfmsub_vf; break;
3869                 case 43: op = rv_op_vfnmsub_vf; break;
3870                 case 44: op = rv_op_vfmacc_vf; break;
3871                 case 45: op = rv_op_vfnmacc_vf; break;
3872                 case 46: op = rv_op_vfmsac_vf; break;
3873                 case 47: op = rv_op_vfnmsac_vf; break;
3874                 case 48: op = rv_op_vfwadd_vf; break;
3875                 case 50: op = rv_op_vfwsub_vf; break;
3876                 case 52: op = rv_op_vfwadd_wf; break;
3877                 case 54: op = rv_op_vfwsub_wf; break;
3878                 case 56: op = rv_op_vfwmul_vf; break;
3879                 case 59: op = rv_op_vfwmaccbf16_vf; break;
3880                 case 60: op = rv_op_vfwmacc_vf; break;
3881                 case 61: op = rv_op_vfwnmacc_vf; break;
3882                 case 62: op = rv_op_vfwmsac_vf; break;
3883                 case 63: op = rv_op_vfwnmsac_vf; break;
3884                 }
3885                 break;
3886             case 6:
3887                 switch ((inst >> 26) & 0b111111) {
3888                 case 8: op = rv_op_vaaddu_vx; break;
3889                 case 9: op = rv_op_vaadd_vx; break;
3890                 case 10: op = rv_op_vasubu_vx; break;
3891                 case 11: op = rv_op_vasub_vx; break;
3892                 case 12: op = rv_op_vclmul_vx; break;
3893                 case 13: op = rv_op_vclmulh_vx; break;
3894                 case 14: op = rv_op_vslide1up_vx; break;
3895                 case 15: op = rv_op_vslide1down_vx; break;
3896                 case 16:
3897                     switch ((inst >> 20) & 0b11111) {
3898                     case 0: if ((inst >> 25) & 1) op = rv_op_vmv_s_x; break;
3899                     }
3900                     break;
3901                 case 32: op = rv_op_vdivu_vx; break;
3902                 case 33: op = rv_op_vdiv_vx; break;
3903                 case 34: op = rv_op_vremu_vx; break;
3904                 case 35: op = rv_op_vrem_vx; break;
3905                 case 36: op = rv_op_vmulhu_vx; break;
3906                 case 37: op = rv_op_vmul_vx; break;
3907                 case 38: op = rv_op_vmulhsu_vx; break;
3908                 case 39: op = rv_op_vmulh_vx; break;
3909                 case 41: op = rv_op_vmadd_vx; break;
3910                 case 43: op = rv_op_vnmsub_vx; break;
3911                 case 45: op = rv_op_vmacc_vx; break;
3912                 case 47: op = rv_op_vnmsac_vx; break;
3913                 case 48: op = rv_op_vwaddu_vx; break;
3914                 case 49: op = rv_op_vwadd_vx; break;
3915                 case 50: op = rv_op_vwsubu_vx; break;
3916                 case 51: op = rv_op_vwsub_vx; break;
3917                 case 52: op = rv_op_vwaddu_wx; break;
3918                 case 53: op = rv_op_vwadd_wx; break;
3919                 case 54: op = rv_op_vwsubu_wx; break;
3920                 case 55: op = rv_op_vwsub_wx; break;
3921                 case 56: op = rv_op_vwmulu_vx; break;
3922                 case 58: op = rv_op_vwmulsu_vx; break;
3923                 case 59: op = rv_op_vwmul_vx; break;
3924                 case 60: op = rv_op_vwmaccu_vx; break;
3925                 case 61: op = rv_op_vwmacc_vx; break;
3926                 case 62: op = rv_op_vwmaccus_vx; break;
3927                 case 63: op = rv_op_vwmaccsu_vx; break;
3928                 }
3929                 break;
3930             case 7:
3931                 if (((inst >> 31) & 1) == 0) {
3932                     op = rv_op_vsetvli;
3933                 } else if ((inst >> 30) & 1) {
3934                     op = rv_op_vsetivli;
3935                 } else if (((inst >> 25) & 0b11111) == 0) {
3936                     op = rv_op_vsetvl;
3937                 }
3938                 break;
3939             }
3940             break;
3941         case 22:
3942             switch ((inst >> 12) & 0b111) {
3943             case 0: op = rv_op_addid; break;
3944             case 1:
3945                 switch ((inst >> 26) & 0b111111) {
3946                 case 0: op = rv_op_sllid; break;
3947                 }
3948                 break;
3949             case 5:
3950                 switch ((inst >> 26) & 0b111111) {
3951                 case 0: op = rv_op_srlid; break;
3952                 case 16: op = rv_op_sraid; break;
3953                 }
3954                 break;
3955             }
3956             break;
3957         case 24:
3958             switch ((inst >> 12) & 0b111) {
3959             case 0: op = rv_op_beq; break;
3960             case 1: op = rv_op_bne; break;
3961             case 4: op = rv_op_blt; break;
3962             case 5: op = rv_op_bge; break;
3963             case 6: op = rv_op_bltu; break;
3964             case 7: op = rv_op_bgeu; break;
3965             }
3966             break;
3967         case 25:
3968             switch ((inst >> 12) & 0b111) {
3969             case 0: op = rv_op_jalr; break;
3970             }
3971             break;
3972         case 27: op = rv_op_jal; break;
3973         case 28:
3974             switch ((inst >> 12) & 0b111) {
3975             case 0:
3976                 switch (((inst >> 20) & 0b111111100000) |
3977                         ((inst >> 7) & 0b000000011111)) {
3978                 case 0:
3979                     switch ((inst >> 15) & 0b1111111111) {
3980                     case 0: op = rv_op_ecall; break;
3981                     case 32: op = rv_op_ebreak; break;
3982                     case 64: op = rv_op_uret; break;
3983                     }
3984                     break;
3985                 case 256:
3986                     switch ((inst >> 20) & 0b11111) {
3987                     case 2:
3988                         switch ((inst >> 15) & 0b11111) {
3989                         case 0: op = rv_op_sret; break;
3990                         }
3991                         break;
3992                     case 4: op = rv_op_sfence_vm; break;
3993                     case 5:
3994                         switch ((inst >> 15) & 0b11111) {
3995                         case 0: op = rv_op_wfi; break;
3996                         }
3997                         break;
3998                     }
3999                     break;
4000                 case 288: op = rv_op_sfence_vma; break;
4001                 case 512:
4002                     switch ((inst >> 15) & 0b1111111111) {
4003                     case 64: op = rv_op_hret; break;
4004                     }
4005                     break;
4006                 case 768:
4007                     switch ((inst >> 15) & 0b1111111111) {
4008                     case 64: op = rv_op_mret; break;
4009                     }
4010                     break;
4011                 case 1952:
4012                     switch ((inst >> 15) & 0b1111111111) {
4013                     case 576: op = rv_op_dret; break;
4014                     }
4015                     break;
4016                 }
4017                 break;
4018             case 1: op = rv_op_csrrw; break;
4019             case 2: op = rv_op_csrrs; break;
4020             case 3: op = rv_op_csrrc; break;
4021             case 4:
4022                 if (dec->cfg->ext_zimop) {
4023                     int imm_mop5, imm_mop3;
4024                     if ((extract32(inst, 22, 10) & 0b1011001111)
4025                         == 0b1000000111) {
4026                         imm_mop5 = deposit32(deposit32(extract32(inst, 20, 2),
4027                                                        2, 2,
4028                                                        extract32(inst, 26, 2)),
4029                                              4, 1, extract32(inst, 30, 1));
4030                         op = rv_mop_r_0 + imm_mop5;
4031                     } else if ((extract32(inst, 25, 7) & 0b1011001)
4032                                == 0b1000001) {
4033                         imm_mop3 = deposit32(extract32(inst, 26, 2),
4034                                              2, 1, extract32(inst, 30, 1));
4035                         op = rv_mop_rr_0 + imm_mop3;
4036                     }
4037                 }
4038                 break;
4039             case 5: op = rv_op_csrrwi; break;
4040             case 6: op = rv_op_csrrsi; break;
4041             case 7: op = rv_op_csrrci; break;
4042             }
4043             break;
4044         case 29:
4045             if (((inst >> 25) & 1) == 1 && ((inst >> 12) & 0b111) == 2) {
4046                 switch ((inst >> 26) & 0b111111) {
4047                 case 32: op = rv_op_vsm3me_vv; break;
4048                 case 33: op = rv_op_vsm4k_vi; break;
4049                 case 34: op = rv_op_vaeskf1_vi; break;
4050                 case 40:
4051                     switch ((inst >> 15) & 0b11111) {
4052                     case 0: op = rv_op_vaesdm_vv; break;
4053                     case 1: op = rv_op_vaesdf_vv; break;
4054                     case 2: op = rv_op_vaesem_vv; break;
4055                     case 3: op = rv_op_vaesef_vv; break;
4056                     case 16: op = rv_op_vsm4r_vv; break;
4057                     case 17: op = rv_op_vgmul_vv; break;
4058                     }
4059                     break;
4060                 case 41:
4061                     switch ((inst >> 15) & 0b11111) {
4062                     case 0: op = rv_op_vaesdm_vs; break;
4063                     case 1: op = rv_op_vaesdf_vs; break;
4064                     case 2: op = rv_op_vaesem_vs; break;
4065                     case 3: op = rv_op_vaesef_vs; break;
4066                     case 7: op = rv_op_vaesz_vs; break;
4067                     case 16: op = rv_op_vsm4r_vs; break;
4068                     }
4069                     break;
4070                 case 42: op = rv_op_vaeskf2_vi; break;
4071                 case 43: op = rv_op_vsm3c_vi; break;
4072                 case 44: op = rv_op_vghsh_vv; break;
4073                 case 45: op = rv_op_vsha2ms_vv; break;
4074                 case 46: op = rv_op_vsha2ch_vv; break;
4075                 case 47: op = rv_op_vsha2cl_vv; break;
4076                 }
4077             }
4078             break;
4079         case 30:
4080             switch (((inst >> 22) & 0b1111111000) |
4081                     ((inst >> 12) & 0b0000000111)) {
4082             case 0: op = rv_op_addd; break;
4083             case 1: op = rv_op_slld; break;
4084             case 5: op = rv_op_srld; break;
4085             case 8: op = rv_op_muld; break;
4086             case 12: op = rv_op_divd; break;
4087             case 13: op = rv_op_divud; break;
4088             case 14: op = rv_op_remd; break;
4089             case 15: op = rv_op_remud; break;
4090             case 256: op = rv_op_subd; break;
4091             case 261: op = rv_op_srad; break;
4092             }
4093             break;
4094         }
4095         break;
4096     }
4097     dec->op = op;
4098 }
4099 
4100 /* operand extractors */
4101 
4102 static uint32_t operand_rd(rv_inst inst)
4103 {
4104     return (inst << 52) >> 59;
4105 }
4106 
4107 static uint32_t operand_rs1(rv_inst inst)
4108 {
4109     return (inst << 44) >> 59;
4110 }
4111 
4112 static uint32_t operand_rs2(rv_inst inst)
4113 {
4114     return (inst << 39) >> 59;
4115 }
4116 
4117 static uint32_t operand_rs3(rv_inst inst)
4118 {
4119     return (inst << 32) >> 59;
4120 }
4121 
4122 static uint32_t operand_aq(rv_inst inst)
4123 {
4124     return (inst << 37) >> 63;
4125 }
4126 
4127 static uint32_t operand_rl(rv_inst inst)
4128 {
4129     return (inst << 38) >> 63;
4130 }
4131 
4132 static uint32_t operand_pred(rv_inst inst)
4133 {
4134     return (inst << 36) >> 60;
4135 }
4136 
4137 static uint32_t operand_succ(rv_inst inst)
4138 {
4139     return (inst << 40) >> 60;
4140 }
4141 
4142 static uint32_t operand_rm(rv_inst inst)
4143 {
4144     return (inst << 49) >> 61;
4145 }
4146 
4147 static uint32_t operand_shamt5(rv_inst inst)
4148 {
4149     return (inst << 39) >> 59;
4150 }
4151 
4152 static uint32_t operand_shamt6(rv_inst inst)
4153 {
4154     return (inst << 38) >> 58;
4155 }
4156 
4157 static uint32_t operand_shamt7(rv_inst inst)
4158 {
4159     return (inst << 37) >> 57;
4160 }
4161 
4162 static uint32_t operand_crdq(rv_inst inst)
4163 {
4164     return (inst << 59) >> 61;
4165 }
4166 
4167 static uint32_t operand_crs1q(rv_inst inst)
4168 {
4169     return (inst << 54) >> 61;
4170 }
4171 
4172 static uint32_t operand_crs1rdq(rv_inst inst)
4173 {
4174     return (inst << 54) >> 61;
4175 }
4176 
4177 static uint32_t operand_crs2q(rv_inst inst)
4178 {
4179     return (inst << 59) >> 61;
4180 }
4181 
4182 static uint32_t calculate_xreg(uint32_t sreg)
4183 {
4184     return sreg < 2 ? sreg + 8 : sreg + 16;
4185 }
4186 
4187 static uint32_t operand_sreg1(rv_inst inst)
4188 {
4189     return calculate_xreg((inst << 54) >> 61);
4190 }
4191 
4192 static uint32_t operand_sreg2(rv_inst inst)
4193 {
4194     return calculate_xreg((inst << 59) >> 61);
4195 }
4196 
4197 static uint32_t operand_crd(rv_inst inst)
4198 {
4199     return (inst << 52) >> 59;
4200 }
4201 
4202 static uint32_t operand_crs1(rv_inst inst)
4203 {
4204     return (inst << 52) >> 59;
4205 }
4206 
4207 static uint32_t operand_crs1rd(rv_inst inst)
4208 {
4209     return (inst << 52) >> 59;
4210 }
4211 
4212 static uint32_t operand_crs2(rv_inst inst)
4213 {
4214     return (inst << 57) >> 59;
4215 }
4216 
4217 static uint32_t operand_cimmsh5(rv_inst inst)
4218 {
4219     return (inst << 57) >> 59;
4220 }
4221 
4222 static uint32_t operand_csr12(rv_inst inst)
4223 {
4224     return (inst << 32) >> 52;
4225 }
4226 
4227 static int32_t operand_imm12(rv_inst inst)
4228 {
4229     return ((int64_t)inst << 32) >> 52;
4230 }
4231 
4232 static int32_t operand_imm20(rv_inst inst)
4233 {
4234     return (((int64_t)inst << 32) >> 44) << 12;
4235 }
4236 
4237 static int32_t operand_jimm20(rv_inst inst)
4238 {
4239     return (((int64_t)inst << 32) >> 63) << 20 |
4240         ((inst << 33) >> 54) << 1 |
4241         ((inst << 43) >> 63) << 11 |
4242         ((inst << 44) >> 56) << 12;
4243 }
4244 
4245 static int32_t operand_simm12(rv_inst inst)
4246 {
4247     return (((int64_t)inst << 32) >> 57) << 5 |
4248         (inst << 52) >> 59;
4249 }
4250 
4251 static int32_t operand_sbimm12(rv_inst inst)
4252 {
4253     return (((int64_t)inst << 32) >> 63) << 12 |
4254         ((inst << 33) >> 58) << 5 |
4255         ((inst << 52) >> 60) << 1 |
4256         ((inst << 56) >> 63) << 11;
4257 }
4258 
4259 static uint32_t operand_cimmshl6(rv_inst inst, rv_isa isa)
4260 {
4261     int imm = ((inst << 51) >> 63) << 5 |
4262         (inst << 57) >> 59;
4263     if (isa == rv128) {
4264         imm = imm ? imm : 64;
4265     }
4266     return imm;
4267 }
4268 
4269 static uint32_t operand_cimmshr6(rv_inst inst, rv_isa isa)
4270 {
4271     int imm = ((inst << 51) >> 63) << 5 |
4272         (inst << 57) >> 59;
4273     if (isa == rv128) {
4274         imm = imm | (imm & 32) << 1;
4275         imm = imm ? imm : 64;
4276     }
4277     return imm;
4278 }
4279 
4280 static int32_t operand_cimmi(rv_inst inst)
4281 {
4282     return (((int64_t)inst << 51) >> 63) << 5 |
4283         (inst << 57) >> 59;
4284 }
4285 
4286 static int32_t operand_cimmui(rv_inst inst)
4287 {
4288     return (((int64_t)inst << 51) >> 63) << 17 |
4289         ((inst << 57) >> 59) << 12;
4290 }
4291 
4292 static uint32_t operand_cimmlwsp(rv_inst inst)
4293 {
4294     return ((inst << 51) >> 63) << 5 |
4295         ((inst << 57) >> 61) << 2 |
4296         ((inst << 60) >> 62) << 6;
4297 }
4298 
4299 static uint32_t operand_cimmldsp(rv_inst inst)
4300 {
4301     return ((inst << 51) >> 63) << 5 |
4302         ((inst << 57) >> 62) << 3 |
4303         ((inst << 59) >> 61) << 6;
4304 }
4305 
4306 static uint32_t operand_cimmlqsp(rv_inst inst)
4307 {
4308     return ((inst << 51) >> 63) << 5 |
4309         ((inst << 57) >> 63) << 4 |
4310         ((inst << 58) >> 60) << 6;
4311 }
4312 
4313 static int32_t operand_cimm16sp(rv_inst inst)
4314 {
4315     return (((int64_t)inst << 51) >> 63) << 9 |
4316         ((inst << 57) >> 63) << 4 |
4317         ((inst << 58) >> 63) << 6 |
4318         ((inst << 59) >> 62) << 7 |
4319         ((inst << 61) >> 63) << 5;
4320 }
4321 
4322 static int32_t operand_cimmj(rv_inst inst)
4323 {
4324     return (((int64_t)inst << 51) >> 63) << 11 |
4325         ((inst << 52) >> 63) << 4 |
4326         ((inst << 53) >> 62) << 8 |
4327         ((inst << 55) >> 63) << 10 |
4328         ((inst << 56) >> 63) << 6 |
4329         ((inst << 57) >> 63) << 7 |
4330         ((inst << 58) >> 61) << 1 |
4331         ((inst << 61) >> 63) << 5;
4332 }
4333 
4334 static int32_t operand_cimmb(rv_inst inst)
4335 {
4336     return (((int64_t)inst << 51) >> 63) << 8 |
4337         ((inst << 52) >> 62) << 3 |
4338         ((inst << 57) >> 62) << 6 |
4339         ((inst << 59) >> 62) << 1 |
4340         ((inst << 61) >> 63) << 5;
4341 }
4342 
4343 static uint32_t operand_cimmswsp(rv_inst inst)
4344 {
4345     return ((inst << 51) >> 60) << 2 |
4346         ((inst << 55) >> 62) << 6;
4347 }
4348 
4349 static uint32_t operand_cimmsdsp(rv_inst inst)
4350 {
4351     return ((inst << 51) >> 61) << 3 |
4352         ((inst << 54) >> 61) << 6;
4353 }
4354 
4355 static uint32_t operand_cimmsqsp(rv_inst inst)
4356 {
4357     return ((inst << 51) >> 62) << 4 |
4358         ((inst << 53) >> 60) << 6;
4359 }
4360 
4361 static uint32_t operand_cimm4spn(rv_inst inst)
4362 {
4363     return ((inst << 51) >> 62) << 4 |
4364         ((inst << 53) >> 60) << 6 |
4365         ((inst << 57) >> 63) << 2 |
4366         ((inst << 58) >> 63) << 3;
4367 }
4368 
4369 static uint32_t operand_cimmw(rv_inst inst)
4370 {
4371     return ((inst << 51) >> 61) << 3 |
4372         ((inst << 57) >> 63) << 2 |
4373         ((inst << 58) >> 63) << 6;
4374 }
4375 
4376 static uint32_t operand_cimmd(rv_inst inst)
4377 {
4378     return ((inst << 51) >> 61) << 3 |
4379         ((inst << 57) >> 62) << 6;
4380 }
4381 
4382 static uint32_t operand_cimmq(rv_inst inst)
4383 {
4384     return ((inst << 51) >> 62) << 4 |
4385         ((inst << 53) >> 63) << 8 |
4386         ((inst << 57) >> 62) << 6;
4387 }
4388 
4389 static uint32_t operand_vimm(rv_inst inst)
4390 {
4391     return (int64_t)(inst << 44) >> 59;
4392 }
4393 
4394 static uint32_t operand_vzimm11(rv_inst inst)
4395 {
4396     return (inst << 33) >> 53;
4397 }
4398 
4399 static uint32_t operand_vzimm10(rv_inst inst)
4400 {
4401     return (inst << 34) >> 54;
4402 }
4403 
4404 static uint32_t operand_vzimm6(rv_inst inst)
4405 {
4406     return ((inst << 37) >> 63) << 5 |
4407         ((inst << 44) >> 59);
4408 }
4409 
4410 static uint32_t operand_bs(rv_inst inst)
4411 {
4412     return (inst << 32) >> 62;
4413 }
4414 
4415 static uint32_t operand_rnum(rv_inst inst)
4416 {
4417     return (inst << 40) >> 60;
4418 }
4419 
4420 static uint32_t operand_vm(rv_inst inst)
4421 {
4422     return (inst << 38) >> 63;
4423 }
4424 
4425 static uint32_t operand_uimm_c_lb(rv_inst inst)
4426 {
4427     return (((inst << 58) >> 63) << 1) |
4428         ((inst << 57) >> 63);
4429 }
4430 
4431 static uint32_t operand_uimm_c_lh(rv_inst inst)
4432 {
4433     return (((inst << 58) >> 63) << 1);
4434 }
4435 
4436 static uint32_t operand_zcmp_spimm(rv_inst inst)
4437 {
4438     return ((inst << 60) >> 62) << 4;
4439 }
4440 
4441 static uint32_t operand_zcmp_rlist(rv_inst inst)
4442 {
4443     return ((inst << 56) >> 60);
4444 }
4445 
4446 static uint32_t operand_imm6(rv_inst inst)
4447 {
4448     return (inst << 38) >> 60;
4449 }
4450 
4451 static uint32_t operand_imm2(rv_inst inst)
4452 {
4453     return (inst << 37) >> 62;
4454 }
4455 
4456 static uint32_t operand_immh(rv_inst inst)
4457 {
4458     return (inst << 32) >> 58;
4459 }
4460 
4461 static uint32_t operand_imml(rv_inst inst)
4462 {
4463     return (inst << 38) >> 58;
4464 }
4465 
4466 static uint32_t calculate_stack_adj(rv_isa isa, uint32_t rlist, uint32_t spimm)
4467 {
4468     int xlen_bytes_log2 = isa == rv64 ? 3 : 2;
4469     int regs = rlist == 15 ? 13 : rlist - 3;
4470     uint32_t stack_adj_base = ROUND_UP(regs << xlen_bytes_log2, 16);
4471     return stack_adj_base + spimm;
4472 }
4473 
4474 static uint32_t operand_zcmp_stack_adj(rv_inst inst, rv_isa isa)
4475 {
4476     return calculate_stack_adj(isa, operand_zcmp_rlist(inst),
4477                                operand_zcmp_spimm(inst));
4478 }
4479 
4480 static uint32_t operand_tbl_index(rv_inst inst)
4481 {
4482     return ((inst << 54) >> 56);
4483 }
4484 
4485 /* decode operands */
4486 
4487 static void decode_inst_operands(rv_decode *dec, rv_isa isa)
4488 {
4489     const rv_opcode_data *opcode_data = dec->opcode_data;
4490     rv_inst inst = dec->inst;
4491     dec->codec = opcode_data[dec->op].codec;
4492     switch (dec->codec) {
4493     case rv_codec_none:
4494         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4495         dec->imm = 0;
4496         break;
4497     case rv_codec_u:
4498         dec->rd = operand_rd(inst);
4499         dec->rs1 = dec->rs2 = rv_ireg_zero;
4500         dec->imm = operand_imm20(inst);
4501         break;
4502     case rv_codec_uj:
4503         dec->rd = operand_rd(inst);
4504         dec->rs1 = dec->rs2 = rv_ireg_zero;
4505         dec->imm = operand_jimm20(inst);
4506         break;
4507     case rv_codec_i:
4508         dec->rd = operand_rd(inst);
4509         dec->rs1 = operand_rs1(inst);
4510         dec->rs2 = rv_ireg_zero;
4511         dec->imm = operand_imm12(inst);
4512         break;
4513     case rv_codec_i_sh5:
4514         dec->rd = operand_rd(inst);
4515         dec->rs1 = operand_rs1(inst);
4516         dec->rs2 = rv_ireg_zero;
4517         dec->imm = operand_shamt5(inst);
4518         break;
4519     case rv_codec_i_sh6:
4520         dec->rd = operand_rd(inst);
4521         dec->rs1 = operand_rs1(inst);
4522         dec->rs2 = rv_ireg_zero;
4523         dec->imm = operand_shamt6(inst);
4524         break;
4525     case rv_codec_i_sh7:
4526         dec->rd = operand_rd(inst);
4527         dec->rs1 = operand_rs1(inst);
4528         dec->rs2 = rv_ireg_zero;
4529         dec->imm = operand_shamt7(inst);
4530         break;
4531     case rv_codec_i_csr:
4532         dec->rd = operand_rd(inst);
4533         dec->rs1 = operand_rs1(inst);
4534         dec->rs2 = rv_ireg_zero;
4535         dec->imm = operand_csr12(inst);
4536         break;
4537     case rv_codec_s:
4538         dec->rd = rv_ireg_zero;
4539         dec->rs1 = operand_rs1(inst);
4540         dec->rs2 = operand_rs2(inst);
4541         dec->imm = operand_simm12(inst);
4542         break;
4543     case rv_codec_sb:
4544         dec->rd = rv_ireg_zero;
4545         dec->rs1 = operand_rs1(inst);
4546         dec->rs2 = operand_rs2(inst);
4547         dec->imm = operand_sbimm12(inst);
4548         break;
4549     case rv_codec_r:
4550         dec->rd = operand_rd(inst);
4551         dec->rs1 = operand_rs1(inst);
4552         dec->rs2 = operand_rs2(inst);
4553         dec->imm = 0;
4554         break;
4555     case rv_codec_r_m:
4556         dec->rd = operand_rd(inst);
4557         dec->rs1 = operand_rs1(inst);
4558         dec->rs2 = operand_rs2(inst);
4559         dec->imm = 0;
4560         dec->rm = operand_rm(inst);
4561         break;
4562     case rv_codec_r4_m:
4563         dec->rd = operand_rd(inst);
4564         dec->rs1 = operand_rs1(inst);
4565         dec->rs2 = operand_rs2(inst);
4566         dec->rs3 = operand_rs3(inst);
4567         dec->imm = 0;
4568         dec->rm = operand_rm(inst);
4569         break;
4570     case rv_codec_r_a:
4571         dec->rd = operand_rd(inst);
4572         dec->rs1 = operand_rs1(inst);
4573         dec->rs2 = operand_rs2(inst);
4574         dec->imm = 0;
4575         dec->aq = operand_aq(inst);
4576         dec->rl = operand_rl(inst);
4577         break;
4578     case rv_codec_r_l:
4579         dec->rd = operand_rd(inst);
4580         dec->rs1 = operand_rs1(inst);
4581         dec->rs2 = rv_ireg_zero;
4582         dec->imm = 0;
4583         dec->aq = operand_aq(inst);
4584         dec->rl = operand_rl(inst);
4585         break;
4586     case rv_codec_r_f:
4587         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4588         dec->pred = operand_pred(inst);
4589         dec->succ = operand_succ(inst);
4590         dec->imm = 0;
4591         break;
4592     case rv_codec_cb:
4593         dec->rd = rv_ireg_zero;
4594         dec->rs1 = operand_crs1q(inst) + 8;
4595         dec->rs2 = rv_ireg_zero;
4596         dec->imm = operand_cimmb(inst);
4597         break;
4598     case rv_codec_cb_imm:
4599         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4600         dec->rs2 = rv_ireg_zero;
4601         dec->imm = operand_cimmi(inst);
4602         break;
4603     case rv_codec_cb_sh5:
4604         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4605         dec->rs2 = rv_ireg_zero;
4606         dec->imm = operand_cimmsh5(inst);
4607         break;
4608     case rv_codec_cb_sh6:
4609         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4610         dec->rs2 = rv_ireg_zero;
4611         dec->imm = operand_cimmshr6(inst, isa);
4612         break;
4613     case rv_codec_ci:
4614         dec->rd = dec->rs1 = operand_crs1rd(inst);
4615         dec->rs2 = rv_ireg_zero;
4616         dec->imm = operand_cimmi(inst);
4617         break;
4618     case rv_codec_ci_sh5:
4619         dec->rd = dec->rs1 = operand_crs1rd(inst);
4620         dec->rs2 = rv_ireg_zero;
4621         dec->imm = operand_cimmsh5(inst);
4622         break;
4623     case rv_codec_ci_sh6:
4624         dec->rd = dec->rs1 = operand_crs1rd(inst);
4625         dec->rs2 = rv_ireg_zero;
4626         dec->imm = operand_cimmshl6(inst, isa);
4627         break;
4628     case rv_codec_ci_16sp:
4629         dec->rd = rv_ireg_sp;
4630         dec->rs1 = rv_ireg_sp;
4631         dec->rs2 = rv_ireg_zero;
4632         dec->imm = operand_cimm16sp(inst);
4633         break;
4634     case rv_codec_ci_lwsp:
4635         dec->rd = operand_crd(inst);
4636         dec->rs1 = rv_ireg_sp;
4637         dec->rs2 = rv_ireg_zero;
4638         dec->imm = operand_cimmlwsp(inst);
4639         break;
4640     case rv_codec_ci_ldsp:
4641         dec->rd = operand_crd(inst);
4642         dec->rs1 = rv_ireg_sp;
4643         dec->rs2 = rv_ireg_zero;
4644         dec->imm = operand_cimmldsp(inst);
4645         break;
4646     case rv_codec_ci_lqsp:
4647         dec->rd = operand_crd(inst);
4648         dec->rs1 = rv_ireg_sp;
4649         dec->rs2 = rv_ireg_zero;
4650         dec->imm = operand_cimmlqsp(inst);
4651         break;
4652     case rv_codec_ci_li:
4653         dec->rd = operand_crd(inst);
4654         dec->rs1 = rv_ireg_zero;
4655         dec->rs2 = rv_ireg_zero;
4656         dec->imm = operand_cimmi(inst);
4657         break;
4658     case rv_codec_ci_lui:
4659         dec->rd = operand_crd(inst);
4660         dec->rs1 = rv_ireg_zero;
4661         dec->rs2 = rv_ireg_zero;
4662         dec->imm = operand_cimmui(inst);
4663         break;
4664     case rv_codec_ci_none:
4665         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4666         dec->imm = 0;
4667         break;
4668     case rv_codec_ciw_4spn:
4669         dec->rd = operand_crdq(inst) + 8;
4670         dec->rs1 = rv_ireg_sp;
4671         dec->rs2 = rv_ireg_zero;
4672         dec->imm = operand_cimm4spn(inst);
4673         break;
4674     case rv_codec_cj:
4675         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4676         dec->imm = operand_cimmj(inst);
4677         break;
4678     case rv_codec_cj_jal:
4679         dec->rd = rv_ireg_ra;
4680         dec->rs1 = dec->rs2 = rv_ireg_zero;
4681         dec->imm = operand_cimmj(inst);
4682         break;
4683     case rv_codec_cl_lw:
4684         dec->rd = operand_crdq(inst) + 8;
4685         dec->rs1 = operand_crs1q(inst) + 8;
4686         dec->rs2 = rv_ireg_zero;
4687         dec->imm = operand_cimmw(inst);
4688         break;
4689     case rv_codec_cl_ld:
4690         dec->rd = operand_crdq(inst) + 8;
4691         dec->rs1 = operand_crs1q(inst) + 8;
4692         dec->rs2 = rv_ireg_zero;
4693         dec->imm = operand_cimmd(inst);
4694         break;
4695     case rv_codec_cl_lq:
4696         dec->rd = operand_crdq(inst) + 8;
4697         dec->rs1 = operand_crs1q(inst) + 8;
4698         dec->rs2 = rv_ireg_zero;
4699         dec->imm = operand_cimmq(inst);
4700         break;
4701     case rv_codec_cr:
4702         dec->rd = dec->rs1 = operand_crs1rd(inst);
4703         dec->rs2 = operand_crs2(inst);
4704         dec->imm = 0;
4705         break;
4706     case rv_codec_cr_mv:
4707         dec->rd = operand_crd(inst);
4708         dec->rs1 = operand_crs2(inst);
4709         dec->rs2 = rv_ireg_zero;
4710         dec->imm = 0;
4711         break;
4712     case rv_codec_cr_jalr:
4713         dec->rd = rv_ireg_ra;
4714         dec->rs1 = operand_crs1(inst);
4715         dec->rs2 = rv_ireg_zero;
4716         dec->imm = 0;
4717         break;
4718     case rv_codec_cr_jr:
4719         dec->rd = rv_ireg_zero;
4720         dec->rs1 = operand_crs1(inst);
4721         dec->rs2 = rv_ireg_zero;
4722         dec->imm = 0;
4723         break;
4724     case rv_codec_cs:
4725         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4726         dec->rs2 = operand_crs2q(inst) + 8;
4727         dec->imm = 0;
4728         break;
4729     case rv_codec_cs_sw:
4730         dec->rd = rv_ireg_zero;
4731         dec->rs1 = operand_crs1q(inst) + 8;
4732         dec->rs2 = operand_crs2q(inst) + 8;
4733         dec->imm = operand_cimmw(inst);
4734         break;
4735     case rv_codec_cs_sd:
4736         dec->rd = rv_ireg_zero;
4737         dec->rs1 = operand_crs1q(inst) + 8;
4738         dec->rs2 = operand_crs2q(inst) + 8;
4739         dec->imm = operand_cimmd(inst);
4740         break;
4741     case rv_codec_cs_sq:
4742         dec->rd = rv_ireg_zero;
4743         dec->rs1 = operand_crs1q(inst) + 8;
4744         dec->rs2 = operand_crs2q(inst) + 8;
4745         dec->imm = operand_cimmq(inst);
4746         break;
4747     case rv_codec_css_swsp:
4748         dec->rd = rv_ireg_zero;
4749         dec->rs1 = rv_ireg_sp;
4750         dec->rs2 = operand_crs2(inst);
4751         dec->imm = operand_cimmswsp(inst);
4752         break;
4753     case rv_codec_css_sdsp:
4754         dec->rd = rv_ireg_zero;
4755         dec->rs1 = rv_ireg_sp;
4756         dec->rs2 = operand_crs2(inst);
4757         dec->imm = operand_cimmsdsp(inst);
4758         break;
4759     case rv_codec_css_sqsp:
4760         dec->rd = rv_ireg_zero;
4761         dec->rs1 = rv_ireg_sp;
4762         dec->rs2 = operand_crs2(inst);
4763         dec->imm = operand_cimmsqsp(inst);
4764         break;
4765     case rv_codec_k_bs:
4766         dec->rs1 = operand_rs1(inst);
4767         dec->rs2 = operand_rs2(inst);
4768         dec->bs = operand_bs(inst);
4769         break;
4770     case rv_codec_k_rnum:
4771         dec->rd = operand_rd(inst);
4772         dec->rs1 = operand_rs1(inst);
4773         dec->rnum = operand_rnum(inst);
4774         break;
4775     case rv_codec_v_r:
4776         dec->rd = operand_rd(inst);
4777         dec->rs1 = operand_rs1(inst);
4778         dec->rs2 = operand_rs2(inst);
4779         dec->vm = operand_vm(inst);
4780         break;
4781     case rv_codec_v_ldst:
4782         dec->rd = operand_rd(inst);
4783         dec->rs1 = operand_rs1(inst);
4784         dec->vm = operand_vm(inst);
4785         break;
4786     case rv_codec_v_i:
4787         dec->rd = operand_rd(inst);
4788         dec->rs2 = operand_rs2(inst);
4789         dec->imm = operand_vimm(inst);
4790         dec->vm = operand_vm(inst);
4791         break;
4792     case rv_codec_vror_vi:
4793         dec->rd = operand_rd(inst);
4794         dec->rs2 = operand_rs2(inst);
4795         dec->imm = operand_vzimm6(inst);
4796         dec->vm = operand_vm(inst);
4797         break;
4798     case rv_codec_vsetvli:
4799         dec->rd = operand_rd(inst);
4800         dec->rs1 = operand_rs1(inst);
4801         dec->vzimm = operand_vzimm11(inst);
4802         break;
4803     case rv_codec_vsetivli:
4804         dec->rd = operand_rd(inst);
4805         dec->imm = operand_vimm(inst);
4806         dec->vzimm = operand_vzimm10(inst);
4807         break;
4808     case rv_codec_zcb_lb:
4809         dec->rs1 = operand_crs1q(inst) + 8;
4810         dec->rs2 = operand_crs2q(inst) + 8;
4811         dec->imm = operand_uimm_c_lb(inst);
4812         break;
4813     case rv_codec_zcb_lh:
4814         dec->rs1 = operand_crs1q(inst) + 8;
4815         dec->rs2 = operand_crs2q(inst) + 8;
4816         dec->imm = operand_uimm_c_lh(inst);
4817         break;
4818     case rv_codec_zcb_ext:
4819         dec->rd = operand_crs1q(inst) + 8;
4820         break;
4821     case rv_codec_zcb_mul:
4822         dec->rd = operand_crs1rdq(inst) + 8;
4823         dec->rs2 = operand_crs2q(inst) + 8;
4824         break;
4825     case rv_codec_zcmp_cm_pushpop:
4826         dec->imm = operand_zcmp_stack_adj(inst, isa);
4827         dec->rlist = operand_zcmp_rlist(inst);
4828         break;
4829     case rv_codec_zcmp_cm_mv:
4830         dec->rd = operand_sreg1(inst);
4831         dec->rs2 = operand_sreg2(inst);
4832         break;
4833     case rv_codec_zcmt_jt:
4834         dec->imm = operand_tbl_index(inst);
4835         break;
4836     case rv_codec_fli:
4837         dec->rd = operand_rd(inst);
4838         dec->imm = operand_rs1(inst);
4839         break;
4840     case rv_codec_r2_imm5:
4841         dec->rd = operand_rd(inst);
4842         dec->rs1 = operand_rs1(inst);
4843         dec->imm = operand_rs2(inst);
4844         break;
4845     case rv_codec_r2:
4846         dec->rd = operand_rd(inst);
4847         dec->rs1 = operand_rs1(inst);
4848         break;
4849     case rv_codec_r2_imm6:
4850         dec->rd = operand_rd(inst);
4851         dec->rs1 = operand_rs1(inst);
4852         dec->imm = operand_imm6(inst);
4853         break;
4854     case rv_codec_r_imm2:
4855         dec->rd = operand_rd(inst);
4856         dec->rs1 = operand_rs1(inst);
4857         dec->rs2 = operand_rs2(inst);
4858         dec->imm = operand_imm2(inst);
4859         break;
4860     case rv_codec_r2_immhl:
4861         dec->rd = operand_rd(inst);
4862         dec->rs1 = operand_rs1(inst);
4863         dec->imm = operand_immh(inst);
4864         dec->imm1 = operand_imml(inst);
4865         break;
4866     case rv_codec_r2_imm2_imm5:
4867         dec->rd = operand_rd(inst);
4868         dec->rs1 = operand_rs1(inst);
4869         dec->imm = sextract32(operand_rs2(inst), 0, 5);
4870         dec->imm1 = operand_imm2(inst);
4871         break;
4872     };
4873 }
4874 
4875 /* check constraint */
4876 
4877 static bool check_constraints(rv_decode *dec, const rvc_constraint *c)
4878 {
4879     int32_t imm = dec->imm;
4880     uint8_t rd = dec->rd, rs1 = dec->rs1, rs2 = dec->rs2;
4881     while (*c != rvc_end) {
4882         switch (*c) {
4883         case rvc_rd_eq_ra:
4884             if (!(rd == 1)) {
4885                 return false;
4886             }
4887             break;
4888         case rvc_rd_eq_x0:
4889             if (!(rd == 0)) {
4890                 return false;
4891             }
4892             break;
4893         case rvc_rs1_eq_x0:
4894             if (!(rs1 == 0)) {
4895                 return false;
4896             }
4897             break;
4898         case rvc_rs2_eq_x0:
4899             if (!(rs2 == 0)) {
4900                 return false;
4901             }
4902             break;
4903         case rvc_rs2_eq_rs1:
4904             if (!(rs2 == rs1)) {
4905                 return false;
4906             }
4907             break;
4908         case rvc_rs1_eq_ra:
4909             if (!(rs1 == 1)) {
4910                 return false;
4911             }
4912             break;
4913         case rvc_imm_eq_zero:
4914             if (!(imm == 0)) {
4915                 return false;
4916             }
4917             break;
4918         case rvc_imm_eq_n1:
4919             if (!(imm == -1)) {
4920                 return false;
4921             }
4922             break;
4923         case rvc_imm_eq_p1:
4924             if (!(imm == 1)) {
4925                 return false;
4926             }
4927             break;
4928         case rvc_csr_eq_0x001:
4929             if (!(imm == 0x001)) {
4930                 return false;
4931             }
4932             break;
4933         case rvc_csr_eq_0x002:
4934             if (!(imm == 0x002)) {
4935                 return false;
4936             }
4937             break;
4938         case rvc_csr_eq_0x003:
4939             if (!(imm == 0x003)) {
4940                 return false;
4941             }
4942             break;
4943         case rvc_csr_eq_0xc00:
4944             if (!(imm == 0xc00)) {
4945                 return false;
4946             }
4947             break;
4948         case rvc_csr_eq_0xc01:
4949             if (!(imm == 0xc01)) {
4950                 return false;
4951             }
4952             break;
4953         case rvc_csr_eq_0xc02:
4954             if (!(imm == 0xc02)) {
4955                 return false;
4956             }
4957             break;
4958         case rvc_csr_eq_0xc80:
4959             if (!(imm == 0xc80)) {
4960                 return false;
4961             }
4962             break;
4963         case rvc_csr_eq_0xc81:
4964             if (!(imm == 0xc81)) {
4965                 return false;
4966             }
4967             break;
4968         case rvc_csr_eq_0xc82:
4969             if (!(imm == 0xc82)) {
4970                 return false;
4971             }
4972             break;
4973         default: break;
4974         }
4975         c++;
4976     }
4977     return true;
4978 }
4979 
4980 /* instruction length */
4981 
4982 static size_t inst_length(rv_inst inst)
4983 {
4984     /* NOTE: supports maximum instruction size of 64-bits */
4985 
4986     /*
4987      * instruction length coding
4988      *
4989      *      aa - 16 bit aa != 11
4990      *   bbb11 - 32 bit bbb != 111
4991      *  011111 - 48 bit
4992      * 0111111 - 64 bit
4993      */
4994 
4995     return (inst &      0b11) != 0b11      ? 2
4996          : (inst &   0b11100) != 0b11100   ? 4
4997          : (inst &  0b111111) == 0b011111  ? 6
4998          : (inst & 0b1111111) == 0b0111111 ? 8
4999          : 0;
5000 }
5001 
5002 /* format instruction */
5003 
5004 static GString *format_inst(size_t tab, rv_decode *dec)
5005 {
5006     const rv_opcode_data *opcode_data = dec->opcode_data;
5007     GString *buf = g_string_sized_new(64);
5008     const char *fmt;
5009 
5010     fmt = opcode_data[dec->op].format;
5011     while (*fmt) {
5012         switch (*fmt) {
5013         case 'O':
5014             g_string_append(buf, opcode_data[dec->op].name);
5015             break;
5016         case '(':
5017         case ',':
5018         case ')':
5019         case '-':
5020             g_string_append_c(buf, *fmt);
5021             break;
5022         case 'b':
5023             g_string_append_printf(buf, "%d", dec->bs);
5024             break;
5025         case 'n':
5026             g_string_append_printf(buf, "%d", dec->rnum);
5027             break;
5028         case '0':
5029             g_string_append(buf, rv_ireg_name_sym[dec->rd]);
5030             break;
5031         case '1':
5032             g_string_append(buf, rv_ireg_name_sym[dec->rs1]);
5033             break;
5034         case '2':
5035             g_string_append(buf, rv_ireg_name_sym[dec->rs2]);
5036             break;
5037         case '3':
5038             if (dec->cfg->ext_zfinx) {
5039                 g_string_append(buf, rv_ireg_name_sym[dec->rd]);
5040             } else {
5041                 g_string_append(buf, rv_freg_name_sym[dec->rd]);
5042             }
5043             break;
5044         case '4':
5045             if (dec->cfg->ext_zfinx) {
5046                 g_string_append(buf, rv_ireg_name_sym[dec->rs1]);
5047             } else {
5048                 g_string_append(buf, rv_freg_name_sym[dec->rs1]);
5049             }
5050             break;
5051         case '5':
5052             if (dec->cfg->ext_zfinx) {
5053                 g_string_append(buf, rv_ireg_name_sym[dec->rs2]);
5054             } else {
5055                 g_string_append(buf, rv_freg_name_sym[dec->rs2]);
5056             }
5057             break;
5058         case '6':
5059             if (dec->cfg->ext_zfinx) {
5060                 g_string_append(buf, rv_ireg_name_sym[dec->rs3]);
5061             } else {
5062                 g_string_append(buf, rv_freg_name_sym[dec->rs3]);
5063             }
5064             break;
5065         case '7':
5066             g_string_append_printf(buf, "%d", dec->rs1);
5067             break;
5068         case 'i':
5069             g_string_append_printf(buf, "%d", dec->imm);
5070             break;
5071         case 'u':
5072             g_string_append_printf(buf, "%u", ((uint32_t)dec->imm & 0b111111));
5073             break;
5074         case 'j':
5075             g_string_append_printf(buf, "%d", dec->imm1);
5076             break;
5077         case 'o':
5078             g_string_append_printf(buf, "%d", dec->imm);
5079             while (buf->len < tab * 2) {
5080                 g_string_append_c(buf, ' ');
5081             }
5082             g_string_append_printf(buf, "# 0x%" PRIx64, dec->pc + dec->imm);
5083             break;
5084         case 'U':
5085             fmt++;
5086             g_string_append_printf(buf, "%d", dec->imm >> 12);
5087             if (*fmt == 'o') {
5088                 while (buf->len < tab * 2) {
5089                     g_string_append_c(buf, ' ');
5090                 }
5091                 g_string_append_printf(buf, "# 0x%" PRIx64, dec->pc + dec->imm);
5092             }
5093             break;
5094         case 'c': {
5095             const char *name = csr_name(dec->imm & 0xfff);
5096             if (name) {
5097                 g_string_append(buf, name);
5098             } else {
5099                 g_string_append_printf(buf, "0x%03x", dec->imm & 0xfff);
5100             }
5101             break;
5102         }
5103         case 'r':
5104             switch (dec->rm) {
5105             case rv_rm_rne:
5106                 g_string_append(buf, "rne");
5107                 break;
5108             case rv_rm_rtz:
5109                 g_string_append(buf, "rtz");
5110                 break;
5111             case rv_rm_rdn:
5112                 g_string_append(buf, "rdn");
5113                 break;
5114             case rv_rm_rup:
5115                 g_string_append(buf, "rup");
5116                 break;
5117             case rv_rm_rmm:
5118                 g_string_append(buf, "rmm");
5119                 break;
5120             case rv_rm_dyn:
5121                 g_string_append(buf, "dyn");
5122                 break;
5123             default:
5124                 g_string_append(buf, "inv");
5125                 break;
5126             }
5127             break;
5128         case 'p':
5129             if (dec->pred & rv_fence_i) {
5130                 g_string_append_c(buf, 'i');
5131             }
5132             if (dec->pred & rv_fence_o) {
5133                 g_string_append_c(buf, 'o');
5134             }
5135             if (dec->pred & rv_fence_r) {
5136                 g_string_append_c(buf, 'r');
5137             }
5138             if (dec->pred & rv_fence_w) {
5139                 g_string_append_c(buf, 'w');
5140             }
5141             break;
5142         case 's':
5143             if (dec->succ & rv_fence_i) {
5144                 g_string_append_c(buf, 'i');
5145             }
5146             if (dec->succ & rv_fence_o) {
5147                 g_string_append_c(buf, 'o');
5148             }
5149             if (dec->succ & rv_fence_r) {
5150                 g_string_append_c(buf, 'r');
5151             }
5152             if (dec->succ & rv_fence_w) {
5153                 g_string_append_c(buf, 'w');
5154             }
5155             break;
5156         case '\t':
5157             while (buf->len < tab) {
5158                 g_string_append_c(buf, ' ');
5159             }
5160             break;
5161         case 'A':
5162             if (dec->aq) {
5163                 g_string_append(buf, ".aq");
5164             }
5165             break;
5166         case 'R':
5167             if (dec->rl) {
5168                 g_string_append(buf, ".rl");
5169             }
5170             break;
5171         case 'l':
5172             g_string_append(buf, ",v0");
5173             break;
5174         case 'm':
5175             if (dec->vm == 0) {
5176                 g_string_append(buf, ",v0.t");
5177             }
5178             break;
5179         case 'D':
5180             g_string_append(buf, rv_vreg_name_sym[dec->rd]);
5181             break;
5182         case 'E':
5183             g_string_append(buf, rv_vreg_name_sym[dec->rs1]);
5184             break;
5185         case 'F':
5186             g_string_append(buf, rv_vreg_name_sym[dec->rs2]);
5187             break;
5188         case 'G':
5189             g_string_append(buf, rv_vreg_name_sym[dec->rs3]);
5190             break;
5191         case 'v': {
5192             const int sew = 1 << (((dec->vzimm >> 3) & 0b111) + 3);
5193             const int lmul = dec->vzimm & 0b11;
5194             const int flmul = (dec->vzimm >> 2) & 1;
5195             const char *vta = (dec->vzimm >> 6) & 1 ? "ta" : "tu";
5196             const char *vma = (dec->vzimm >> 7) & 1 ? "ma" : "mu";
5197 
5198             g_string_append_printf(buf, "e%d,m", sew);
5199             if (flmul) {
5200                 switch (lmul) {
5201                 case 3:
5202                     g_string_append(buf, "f2");
5203                     break;
5204                 case 2:
5205                     g_string_append(buf, "f4");
5206                     break;
5207                 case 1:
5208                     g_string_append(buf, "f8");
5209                     break;
5210                 }
5211             } else {
5212                 g_string_append_printf(buf, "%d", 1 << lmul);
5213             }
5214             g_string_append_c(buf, ',');
5215             g_string_append(buf, vta);
5216             g_string_append_c(buf, ',');
5217             g_string_append(buf, vma);
5218             break;
5219         }
5220         case 'x': {
5221             switch (dec->rlist) {
5222             case 4:
5223                 g_string_append(buf, "{ra}");
5224                 break;
5225             case 5:
5226                 g_string_append(buf, "{ra, s0}");
5227                 break;
5228             case 15:
5229                 g_string_append(buf, "{ra, s0-s11}");
5230                 break;
5231             default:
5232                 g_string_append_printf(buf, "{ra, s0-s%d}", dec->rlist - 5);
5233                 break;
5234             }
5235             break;
5236         }
5237         case 'h':
5238             g_string_append(buf, rv_fli_name_const[dec->imm]);
5239             break;
5240         default:
5241             break;
5242         }
5243         fmt++;
5244     }
5245 
5246     return buf;
5247 }
5248 
5249 /* lift instruction to pseudo-instruction */
5250 
5251 static void decode_inst_lift_pseudo(rv_decode *dec)
5252 {
5253     const rv_opcode_data *opcode_data = dec->opcode_data;
5254     const rv_comp_data *comp_data = opcode_data[dec->op].pseudo;
5255     if (!comp_data) {
5256         return;
5257     }
5258     while (comp_data->constraints) {
5259         if (check_constraints(dec, comp_data->constraints)) {
5260             dec->op = comp_data->op;
5261             dec->codec = opcode_data[dec->op].codec;
5262             return;
5263         }
5264         comp_data++;
5265     }
5266 }
5267 
5268 /* decompress instruction */
5269 
5270 static void decode_inst_decompress_rv32(rv_decode *dec)
5271 {
5272     const rv_opcode_data *opcode_data = dec->opcode_data;
5273     int decomp_op = opcode_data[dec->op].decomp_rv32;
5274     if (decomp_op != rv_op_illegal) {
5275         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
5276             && dec->imm == 0) {
5277             dec->op = rv_op_illegal;
5278         } else {
5279             dec->op = decomp_op;
5280             dec->codec = opcode_data[decomp_op].codec;
5281         }
5282     }
5283 }
5284 
5285 static void decode_inst_decompress_rv64(rv_decode *dec)
5286 {
5287     const rv_opcode_data *opcode_data = dec->opcode_data;
5288     int decomp_op = opcode_data[dec->op].decomp_rv64;
5289     if (decomp_op != rv_op_illegal) {
5290         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
5291             && dec->imm == 0) {
5292             dec->op = rv_op_illegal;
5293         } else {
5294             dec->op = decomp_op;
5295             dec->codec = opcode_data[decomp_op].codec;
5296         }
5297     }
5298 }
5299 
5300 static void decode_inst_decompress_rv128(rv_decode *dec)
5301 {
5302     const rv_opcode_data *opcode_data = dec->opcode_data;
5303     int decomp_op = opcode_data[dec->op].decomp_rv128;
5304     if (decomp_op != rv_op_illegal) {
5305         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
5306             && dec->imm == 0) {
5307             dec->op = rv_op_illegal;
5308         } else {
5309             dec->op = decomp_op;
5310             dec->codec = opcode_data[decomp_op].codec;
5311         }
5312     }
5313 }
5314 
5315 static void decode_inst_decompress(rv_decode *dec, rv_isa isa)
5316 {
5317     switch (isa) {
5318     case rv32:
5319         decode_inst_decompress_rv32(dec);
5320         break;
5321     case rv64:
5322         decode_inst_decompress_rv64(dec);
5323         break;
5324     case rv128:
5325         decode_inst_decompress_rv128(dec);
5326         break;
5327     }
5328 }
5329 
5330 /* disassemble instruction */
5331 
5332 static GString *disasm_inst(rv_isa isa, uint64_t pc, rv_inst inst,
5333                             RISCVCPUConfig *cfg)
5334 {
5335     rv_decode dec = { 0 };
5336     dec.pc = pc;
5337     dec.inst = inst;
5338     dec.cfg = cfg;
5339 
5340     static const struct {
5341         bool (*guard_func)(const RISCVCPUConfig *);
5342         const rv_opcode_data *opcode_data;
5343         void (*decode_func)(rv_decode *, rv_isa);
5344     } decoders[] = {
5345         { always_true_p, rvi_opcode_data, decode_inst_opcode },
5346         { has_xtheadba_p, xthead_opcode_data, decode_xtheadba },
5347         { has_xtheadbb_p, xthead_opcode_data, decode_xtheadbb },
5348         { has_xtheadbs_p, xthead_opcode_data, decode_xtheadbs },
5349         { has_xtheadcmo_p, xthead_opcode_data, decode_xtheadcmo },
5350         { has_xtheadcondmov_p, xthead_opcode_data, decode_xtheadcondmov },
5351         { has_xtheadfmemidx_p, xthead_opcode_data, decode_xtheadfmemidx },
5352         { has_xtheadfmv_p, xthead_opcode_data, decode_xtheadfmv },
5353         { has_xtheadmac_p, xthead_opcode_data, decode_xtheadmac },
5354         { has_xtheadmemidx_p, xthead_opcode_data, decode_xtheadmemidx },
5355         { has_xtheadmempair_p, xthead_opcode_data, decode_xtheadmempair },
5356         { has_xtheadsync_p, xthead_opcode_data, decode_xtheadsync },
5357         { has_XVentanaCondOps_p, ventana_opcode_data, decode_xventanacondops },
5358     };
5359 
5360     for (size_t i = 0; i < ARRAY_SIZE(decoders); i++) {
5361         bool (*guard_func)(const RISCVCPUConfig *) = decoders[i].guard_func;
5362         const rv_opcode_data *opcode_data = decoders[i].opcode_data;
5363         void (*decode_func)(rv_decode *, rv_isa) = decoders[i].decode_func;
5364 
5365         if (guard_func(cfg)) {
5366             dec.opcode_data = opcode_data;
5367             decode_func(&dec, isa);
5368             if (dec.op != rv_op_illegal)
5369                 break;
5370         }
5371     }
5372 
5373     if (dec.op == rv_op_illegal) {
5374         dec.opcode_data = rvi_opcode_data;
5375     }
5376 
5377     decode_inst_operands(&dec, isa);
5378     decode_inst_decompress(&dec, isa);
5379     decode_inst_lift_pseudo(&dec);
5380     return format_inst(24, &dec);
5381 }
5382 
5383 #define INST_FMT_2 "%04" PRIx64 "              "
5384 #define INST_FMT_4 "%08" PRIx64 "          "
5385 #define INST_FMT_6 "%012" PRIx64 "      "
5386 #define INST_FMT_8 "%016" PRIx64 "  "
5387 
5388 static int
5389 print_insn_riscv(bfd_vma memaddr, struct disassemble_info *info, rv_isa isa)
5390 {
5391     bfd_byte packet[2];
5392     rv_inst inst = 0;
5393     size_t len = 2;
5394     bfd_vma n;
5395     int status;
5396 
5397     /* Instructions are made of 2-byte packets in little-endian order */
5398     for (n = 0; n < len; n += 2) {
5399         status = (*info->read_memory_func)(memaddr + n, packet, 2, info);
5400         if (status != 0) {
5401             /* Don't fail just because we fell off the end.  */
5402             if (n > 0) {
5403                 break;
5404             }
5405             (*info->memory_error_func)(status, memaddr, info);
5406             return status;
5407         }
5408         inst |= ((rv_inst) bfd_getl16(packet)) << (8 * n);
5409         if (n == 0) {
5410             len = inst_length(inst);
5411         }
5412     }
5413 
5414     if (info->show_opcodes) {
5415         switch (len) {
5416         case 2:
5417             (*info->fprintf_func)(info->stream, INST_FMT_2, inst);
5418             break;
5419         case 4:
5420             (*info->fprintf_func)(info->stream, INST_FMT_4, inst);
5421             break;
5422         case 6:
5423             (*info->fprintf_func)(info->stream, INST_FMT_6, inst);
5424             break;
5425         default:
5426             (*info->fprintf_func)(info->stream, INST_FMT_8, inst);
5427             break;
5428         }
5429     }
5430 
5431     g_autoptr(GString) str =
5432         disasm_inst(isa, memaddr, inst, (RISCVCPUConfig *)info->target_info);
5433     (*info->fprintf_func)(info->stream, "%s", str->str);
5434 
5435     return len;
5436 }
5437 
5438 int print_insn_riscv32(bfd_vma memaddr, struct disassemble_info *info)
5439 {
5440     return print_insn_riscv(memaddr, info, rv32);
5441 }
5442 
5443 int print_insn_riscv64(bfd_vma memaddr, struct disassemble_info *info)
5444 {
5445     return print_insn_riscv(memaddr, info, rv64);
5446 }
5447 
5448 int print_insn_riscv128(bfd_vma memaddr, struct disassemble_info *info)
5449 {
5450     return print_insn_riscv(memaddr, info, rv128);
5451 }
5452