xref: /openbmc/qemu/disas/riscv.c (revision 6eece7f5)
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 "disas/dis-asm.h"
22 
23 
24 /* types */
25 
26 typedef uint64_t rv_inst;
27 typedef uint16_t rv_opcode;
28 
29 /* enums */
30 
31 typedef enum {
32     rv32,
33     rv64,
34     rv128
35 } rv_isa;
36 
37 typedef enum {
38     rv_rm_rne = 0,
39     rv_rm_rtz = 1,
40     rv_rm_rdn = 2,
41     rv_rm_rup = 3,
42     rv_rm_rmm = 4,
43     rv_rm_dyn = 7,
44 } rv_rm;
45 
46 typedef enum {
47     rv_fence_i = 8,
48     rv_fence_o = 4,
49     rv_fence_r = 2,
50     rv_fence_w = 1,
51 } rv_fence;
52 
53 typedef enum {
54     rv_ireg_zero,
55     rv_ireg_ra,
56     rv_ireg_sp,
57     rv_ireg_gp,
58     rv_ireg_tp,
59     rv_ireg_t0,
60     rv_ireg_t1,
61     rv_ireg_t2,
62     rv_ireg_s0,
63     rv_ireg_s1,
64     rv_ireg_a0,
65     rv_ireg_a1,
66     rv_ireg_a2,
67     rv_ireg_a3,
68     rv_ireg_a4,
69     rv_ireg_a5,
70     rv_ireg_a6,
71     rv_ireg_a7,
72     rv_ireg_s2,
73     rv_ireg_s3,
74     rv_ireg_s4,
75     rv_ireg_s5,
76     rv_ireg_s6,
77     rv_ireg_s7,
78     rv_ireg_s8,
79     rv_ireg_s9,
80     rv_ireg_s10,
81     rv_ireg_s11,
82     rv_ireg_t3,
83     rv_ireg_t4,
84     rv_ireg_t5,
85     rv_ireg_t6,
86 } rv_ireg;
87 
88 typedef enum {
89     rvc_end,
90     rvc_rd_eq_ra,
91     rvc_rd_eq_x0,
92     rvc_rs1_eq_x0,
93     rvc_rs2_eq_x0,
94     rvc_rs2_eq_rs1,
95     rvc_rs1_eq_ra,
96     rvc_imm_eq_zero,
97     rvc_imm_eq_n1,
98     rvc_imm_eq_p1,
99     rvc_csr_eq_0x001,
100     rvc_csr_eq_0x002,
101     rvc_csr_eq_0x003,
102     rvc_csr_eq_0xc00,
103     rvc_csr_eq_0xc01,
104     rvc_csr_eq_0xc02,
105     rvc_csr_eq_0xc80,
106     rvc_csr_eq_0xc81,
107     rvc_csr_eq_0xc82,
108 } rvc_constraint;
109 
110 typedef enum {
111     rv_codec_illegal,
112     rv_codec_none,
113     rv_codec_u,
114     rv_codec_uj,
115     rv_codec_i,
116     rv_codec_i_sh5,
117     rv_codec_i_sh6,
118     rv_codec_i_sh7,
119     rv_codec_i_csr,
120     rv_codec_s,
121     rv_codec_sb,
122     rv_codec_r,
123     rv_codec_r_m,
124     rv_codec_r4_m,
125     rv_codec_r_a,
126     rv_codec_r_l,
127     rv_codec_r_f,
128     rv_codec_cb,
129     rv_codec_cb_imm,
130     rv_codec_cb_sh5,
131     rv_codec_cb_sh6,
132     rv_codec_ci,
133     rv_codec_ci_sh5,
134     rv_codec_ci_sh6,
135     rv_codec_ci_16sp,
136     rv_codec_ci_lwsp,
137     rv_codec_ci_ldsp,
138     rv_codec_ci_lqsp,
139     rv_codec_ci_li,
140     rv_codec_ci_lui,
141     rv_codec_ci_none,
142     rv_codec_ciw_4spn,
143     rv_codec_cj,
144     rv_codec_cj_jal,
145     rv_codec_cl_lw,
146     rv_codec_cl_ld,
147     rv_codec_cl_lq,
148     rv_codec_cr,
149     rv_codec_cr_mv,
150     rv_codec_cr_jalr,
151     rv_codec_cr_jr,
152     rv_codec_cs,
153     rv_codec_cs_sw,
154     rv_codec_cs_sd,
155     rv_codec_cs_sq,
156     rv_codec_css_swsp,
157     rv_codec_css_sdsp,
158     rv_codec_css_sqsp,
159     rv_codec_k_bs,
160     rv_codec_k_rnum,
161     rv_codec_v_r,
162     rv_codec_v_ldst,
163     rv_codec_v_i,
164     rv_codec_vsetvli,
165     rv_codec_vsetivli,
166 } rv_codec;
167 
168 typedef enum {
169     rv_op_illegal = 0,
170     rv_op_lui = 1,
171     rv_op_auipc = 2,
172     rv_op_jal = 3,
173     rv_op_jalr = 4,
174     rv_op_beq = 5,
175     rv_op_bne = 6,
176     rv_op_blt = 7,
177     rv_op_bge = 8,
178     rv_op_bltu = 9,
179     rv_op_bgeu = 10,
180     rv_op_lb = 11,
181     rv_op_lh = 12,
182     rv_op_lw = 13,
183     rv_op_lbu = 14,
184     rv_op_lhu = 15,
185     rv_op_sb = 16,
186     rv_op_sh = 17,
187     rv_op_sw = 18,
188     rv_op_addi = 19,
189     rv_op_slti = 20,
190     rv_op_sltiu = 21,
191     rv_op_xori = 22,
192     rv_op_ori = 23,
193     rv_op_andi = 24,
194     rv_op_slli = 25,
195     rv_op_srli = 26,
196     rv_op_srai = 27,
197     rv_op_add = 28,
198     rv_op_sub = 29,
199     rv_op_sll = 30,
200     rv_op_slt = 31,
201     rv_op_sltu = 32,
202     rv_op_xor = 33,
203     rv_op_srl = 34,
204     rv_op_sra = 35,
205     rv_op_or = 36,
206     rv_op_and = 37,
207     rv_op_fence = 38,
208     rv_op_fence_i = 39,
209     rv_op_lwu = 40,
210     rv_op_ld = 41,
211     rv_op_sd = 42,
212     rv_op_addiw = 43,
213     rv_op_slliw = 44,
214     rv_op_srliw = 45,
215     rv_op_sraiw = 46,
216     rv_op_addw = 47,
217     rv_op_subw = 48,
218     rv_op_sllw = 49,
219     rv_op_srlw = 50,
220     rv_op_sraw = 51,
221     rv_op_ldu = 52,
222     rv_op_lq = 53,
223     rv_op_sq = 54,
224     rv_op_addid = 55,
225     rv_op_sllid = 56,
226     rv_op_srlid = 57,
227     rv_op_sraid = 58,
228     rv_op_addd = 59,
229     rv_op_subd = 60,
230     rv_op_slld = 61,
231     rv_op_srld = 62,
232     rv_op_srad = 63,
233     rv_op_mul = 64,
234     rv_op_mulh = 65,
235     rv_op_mulhsu = 66,
236     rv_op_mulhu = 67,
237     rv_op_div = 68,
238     rv_op_divu = 69,
239     rv_op_rem = 70,
240     rv_op_remu = 71,
241     rv_op_mulw = 72,
242     rv_op_divw = 73,
243     rv_op_divuw = 74,
244     rv_op_remw = 75,
245     rv_op_remuw = 76,
246     rv_op_muld = 77,
247     rv_op_divd = 78,
248     rv_op_divud = 79,
249     rv_op_remd = 80,
250     rv_op_remud = 81,
251     rv_op_lr_w = 82,
252     rv_op_sc_w = 83,
253     rv_op_amoswap_w = 84,
254     rv_op_amoadd_w = 85,
255     rv_op_amoxor_w = 86,
256     rv_op_amoor_w = 87,
257     rv_op_amoand_w = 88,
258     rv_op_amomin_w = 89,
259     rv_op_amomax_w = 90,
260     rv_op_amominu_w = 91,
261     rv_op_amomaxu_w = 92,
262     rv_op_lr_d = 93,
263     rv_op_sc_d = 94,
264     rv_op_amoswap_d = 95,
265     rv_op_amoadd_d = 96,
266     rv_op_amoxor_d = 97,
267     rv_op_amoor_d = 98,
268     rv_op_amoand_d = 99,
269     rv_op_amomin_d = 100,
270     rv_op_amomax_d = 101,
271     rv_op_amominu_d = 102,
272     rv_op_amomaxu_d = 103,
273     rv_op_lr_q = 104,
274     rv_op_sc_q = 105,
275     rv_op_amoswap_q = 106,
276     rv_op_amoadd_q = 107,
277     rv_op_amoxor_q = 108,
278     rv_op_amoor_q = 109,
279     rv_op_amoand_q = 110,
280     rv_op_amomin_q = 111,
281     rv_op_amomax_q = 112,
282     rv_op_amominu_q = 113,
283     rv_op_amomaxu_q = 114,
284     rv_op_ecall = 115,
285     rv_op_ebreak = 116,
286     rv_op_uret = 117,
287     rv_op_sret = 118,
288     rv_op_hret = 119,
289     rv_op_mret = 120,
290     rv_op_dret = 121,
291     rv_op_sfence_vm = 122,
292     rv_op_sfence_vma = 123,
293     rv_op_wfi = 124,
294     rv_op_csrrw = 125,
295     rv_op_csrrs = 126,
296     rv_op_csrrc = 127,
297     rv_op_csrrwi = 128,
298     rv_op_csrrsi = 129,
299     rv_op_csrrci = 130,
300     rv_op_flw = 131,
301     rv_op_fsw = 132,
302     rv_op_fmadd_s = 133,
303     rv_op_fmsub_s = 134,
304     rv_op_fnmsub_s = 135,
305     rv_op_fnmadd_s = 136,
306     rv_op_fadd_s = 137,
307     rv_op_fsub_s = 138,
308     rv_op_fmul_s = 139,
309     rv_op_fdiv_s = 140,
310     rv_op_fsgnj_s = 141,
311     rv_op_fsgnjn_s = 142,
312     rv_op_fsgnjx_s = 143,
313     rv_op_fmin_s = 144,
314     rv_op_fmax_s = 145,
315     rv_op_fsqrt_s = 146,
316     rv_op_fle_s = 147,
317     rv_op_flt_s = 148,
318     rv_op_feq_s = 149,
319     rv_op_fcvt_w_s = 150,
320     rv_op_fcvt_wu_s = 151,
321     rv_op_fcvt_s_w = 152,
322     rv_op_fcvt_s_wu = 153,
323     rv_op_fmv_x_s = 154,
324     rv_op_fclass_s = 155,
325     rv_op_fmv_s_x = 156,
326     rv_op_fcvt_l_s = 157,
327     rv_op_fcvt_lu_s = 158,
328     rv_op_fcvt_s_l = 159,
329     rv_op_fcvt_s_lu = 160,
330     rv_op_fld = 161,
331     rv_op_fsd = 162,
332     rv_op_fmadd_d = 163,
333     rv_op_fmsub_d = 164,
334     rv_op_fnmsub_d = 165,
335     rv_op_fnmadd_d = 166,
336     rv_op_fadd_d = 167,
337     rv_op_fsub_d = 168,
338     rv_op_fmul_d = 169,
339     rv_op_fdiv_d = 170,
340     rv_op_fsgnj_d = 171,
341     rv_op_fsgnjn_d = 172,
342     rv_op_fsgnjx_d = 173,
343     rv_op_fmin_d = 174,
344     rv_op_fmax_d = 175,
345     rv_op_fcvt_s_d = 176,
346     rv_op_fcvt_d_s = 177,
347     rv_op_fsqrt_d = 178,
348     rv_op_fle_d = 179,
349     rv_op_flt_d = 180,
350     rv_op_feq_d = 181,
351     rv_op_fcvt_w_d = 182,
352     rv_op_fcvt_wu_d = 183,
353     rv_op_fcvt_d_w = 184,
354     rv_op_fcvt_d_wu = 185,
355     rv_op_fclass_d = 186,
356     rv_op_fcvt_l_d = 187,
357     rv_op_fcvt_lu_d = 188,
358     rv_op_fmv_x_d = 189,
359     rv_op_fcvt_d_l = 190,
360     rv_op_fcvt_d_lu = 191,
361     rv_op_fmv_d_x = 192,
362     rv_op_flq = 193,
363     rv_op_fsq = 194,
364     rv_op_fmadd_q = 195,
365     rv_op_fmsub_q = 196,
366     rv_op_fnmsub_q = 197,
367     rv_op_fnmadd_q = 198,
368     rv_op_fadd_q = 199,
369     rv_op_fsub_q = 200,
370     rv_op_fmul_q = 201,
371     rv_op_fdiv_q = 202,
372     rv_op_fsgnj_q = 203,
373     rv_op_fsgnjn_q = 204,
374     rv_op_fsgnjx_q = 205,
375     rv_op_fmin_q = 206,
376     rv_op_fmax_q = 207,
377     rv_op_fcvt_s_q = 208,
378     rv_op_fcvt_q_s = 209,
379     rv_op_fcvt_d_q = 210,
380     rv_op_fcvt_q_d = 211,
381     rv_op_fsqrt_q = 212,
382     rv_op_fle_q = 213,
383     rv_op_flt_q = 214,
384     rv_op_feq_q = 215,
385     rv_op_fcvt_w_q = 216,
386     rv_op_fcvt_wu_q = 217,
387     rv_op_fcvt_q_w = 218,
388     rv_op_fcvt_q_wu = 219,
389     rv_op_fclass_q = 220,
390     rv_op_fcvt_l_q = 221,
391     rv_op_fcvt_lu_q = 222,
392     rv_op_fcvt_q_l = 223,
393     rv_op_fcvt_q_lu = 224,
394     rv_op_fmv_x_q = 225,
395     rv_op_fmv_q_x = 226,
396     rv_op_c_addi4spn = 227,
397     rv_op_c_fld = 228,
398     rv_op_c_lw = 229,
399     rv_op_c_flw = 230,
400     rv_op_c_fsd = 231,
401     rv_op_c_sw = 232,
402     rv_op_c_fsw = 233,
403     rv_op_c_nop = 234,
404     rv_op_c_addi = 235,
405     rv_op_c_jal = 236,
406     rv_op_c_li = 237,
407     rv_op_c_addi16sp = 238,
408     rv_op_c_lui = 239,
409     rv_op_c_srli = 240,
410     rv_op_c_srai = 241,
411     rv_op_c_andi = 242,
412     rv_op_c_sub = 243,
413     rv_op_c_xor = 244,
414     rv_op_c_or = 245,
415     rv_op_c_and = 246,
416     rv_op_c_subw = 247,
417     rv_op_c_addw = 248,
418     rv_op_c_j = 249,
419     rv_op_c_beqz = 250,
420     rv_op_c_bnez = 251,
421     rv_op_c_slli = 252,
422     rv_op_c_fldsp = 253,
423     rv_op_c_lwsp = 254,
424     rv_op_c_flwsp = 255,
425     rv_op_c_jr = 256,
426     rv_op_c_mv = 257,
427     rv_op_c_ebreak = 258,
428     rv_op_c_jalr = 259,
429     rv_op_c_add = 260,
430     rv_op_c_fsdsp = 261,
431     rv_op_c_swsp = 262,
432     rv_op_c_fswsp = 263,
433     rv_op_c_ld = 264,
434     rv_op_c_sd = 265,
435     rv_op_c_addiw = 266,
436     rv_op_c_ldsp = 267,
437     rv_op_c_sdsp = 268,
438     rv_op_c_lq = 269,
439     rv_op_c_sq = 270,
440     rv_op_c_lqsp = 271,
441     rv_op_c_sqsp = 272,
442     rv_op_nop = 273,
443     rv_op_mv = 274,
444     rv_op_not = 275,
445     rv_op_neg = 276,
446     rv_op_negw = 277,
447     rv_op_sext_w = 278,
448     rv_op_seqz = 279,
449     rv_op_snez = 280,
450     rv_op_sltz = 281,
451     rv_op_sgtz = 282,
452     rv_op_fmv_s = 283,
453     rv_op_fabs_s = 284,
454     rv_op_fneg_s = 285,
455     rv_op_fmv_d = 286,
456     rv_op_fabs_d = 287,
457     rv_op_fneg_d = 288,
458     rv_op_fmv_q = 289,
459     rv_op_fabs_q = 290,
460     rv_op_fneg_q = 291,
461     rv_op_beqz = 292,
462     rv_op_bnez = 293,
463     rv_op_blez = 294,
464     rv_op_bgez = 295,
465     rv_op_bltz = 296,
466     rv_op_bgtz = 297,
467     rv_op_ble = 298,
468     rv_op_bleu = 299,
469     rv_op_bgt = 300,
470     rv_op_bgtu = 301,
471     rv_op_j = 302,
472     rv_op_ret = 303,
473     rv_op_jr = 304,
474     rv_op_rdcycle = 305,
475     rv_op_rdtime = 306,
476     rv_op_rdinstret = 307,
477     rv_op_rdcycleh = 308,
478     rv_op_rdtimeh = 309,
479     rv_op_rdinstreth = 310,
480     rv_op_frcsr = 311,
481     rv_op_frrm = 312,
482     rv_op_frflags = 313,
483     rv_op_fscsr = 314,
484     rv_op_fsrm = 315,
485     rv_op_fsflags = 316,
486     rv_op_fsrmi = 317,
487     rv_op_fsflagsi = 318,
488     rv_op_bseti = 319,
489     rv_op_bclri = 320,
490     rv_op_binvi = 321,
491     rv_op_bexti = 322,
492     rv_op_rori = 323,
493     rv_op_clz = 324,
494     rv_op_ctz = 325,
495     rv_op_cpop = 326,
496     rv_op_sext_h = 327,
497     rv_op_sext_b = 328,
498     rv_op_xnor = 329,
499     rv_op_orn = 330,
500     rv_op_andn = 331,
501     rv_op_rol = 332,
502     rv_op_ror = 333,
503     rv_op_sh1add = 334,
504     rv_op_sh2add = 335,
505     rv_op_sh3add = 336,
506     rv_op_sh1add_uw = 337,
507     rv_op_sh2add_uw = 338,
508     rv_op_sh3add_uw = 339,
509     rv_op_clmul = 340,
510     rv_op_clmulr = 341,
511     rv_op_clmulh = 342,
512     rv_op_min = 343,
513     rv_op_minu = 344,
514     rv_op_max = 345,
515     rv_op_maxu = 346,
516     rv_op_clzw = 347,
517     rv_op_ctzw = 348,
518     rv_op_cpopw = 349,
519     rv_op_slli_uw = 350,
520     rv_op_add_uw = 351,
521     rv_op_rolw = 352,
522     rv_op_rorw = 353,
523     rv_op_rev8 = 354,
524     rv_op_zext_h = 355,
525     rv_op_roriw = 356,
526     rv_op_orc_b = 357,
527     rv_op_bset = 358,
528     rv_op_bclr = 359,
529     rv_op_binv = 360,
530     rv_op_bext = 361,
531     rv_op_aes32esmi = 362,
532     rv_op_aes32esi = 363,
533     rv_op_aes32dsmi = 364,
534     rv_op_aes32dsi = 365,
535     rv_op_aes64ks1i = 366,
536     rv_op_aes64ks2 = 367,
537     rv_op_aes64im = 368,
538     rv_op_aes64esm = 369,
539     rv_op_aes64es = 370,
540     rv_op_aes64dsm = 371,
541     rv_op_aes64ds = 372,
542     rv_op_sha256sig0 = 373,
543     rv_op_sha256sig1 = 374,
544     rv_op_sha256sum0 = 375,
545     rv_op_sha256sum1 = 376,
546     rv_op_sha512sig0 = 377,
547     rv_op_sha512sig1 = 378,
548     rv_op_sha512sum0 = 379,
549     rv_op_sha512sum1 = 380,
550     rv_op_sha512sum0r = 381,
551     rv_op_sha512sum1r = 382,
552     rv_op_sha512sig0l = 383,
553     rv_op_sha512sig0h = 384,
554     rv_op_sha512sig1l = 385,
555     rv_op_sha512sig1h = 386,
556     rv_op_sm3p0 = 387,
557     rv_op_sm3p1 = 388,
558     rv_op_sm4ed = 389,
559     rv_op_sm4ks = 390,
560     rv_op_brev8 = 391,
561     rv_op_pack = 392,
562     rv_op_packh = 393,
563     rv_op_packw = 394,
564     rv_op_unzip = 395,
565     rv_op_zip = 396,
566     rv_op_xperm4 = 397,
567     rv_op_xperm8 = 398,
568     rv_op_vle8_v = 399,
569     rv_op_vle16_v = 400,
570     rv_op_vle32_v = 401,
571     rv_op_vle64_v = 402,
572     rv_op_vse8_v = 403,
573     rv_op_vse16_v = 404,
574     rv_op_vse32_v = 405,
575     rv_op_vse64_v = 406,
576     rv_op_vlm_v = 407,
577     rv_op_vsm_v = 408,
578     rv_op_vlse8_v = 409,
579     rv_op_vlse16_v = 410,
580     rv_op_vlse32_v = 411,
581     rv_op_vlse64_v = 412,
582     rv_op_vsse8_v = 413,
583     rv_op_vsse16_v = 414,
584     rv_op_vsse32_v = 415,
585     rv_op_vsse64_v = 416,
586     rv_op_vluxei8_v = 417,
587     rv_op_vluxei16_v = 418,
588     rv_op_vluxei32_v = 419,
589     rv_op_vluxei64_v = 420,
590     rv_op_vloxei8_v = 421,
591     rv_op_vloxei16_v = 422,
592     rv_op_vloxei32_v = 423,
593     rv_op_vloxei64_v = 424,
594     rv_op_vsuxei8_v = 425,
595     rv_op_vsuxei16_v = 426,
596     rv_op_vsuxei32_v = 427,
597     rv_op_vsuxei64_v = 428,
598     rv_op_vsoxei8_v = 429,
599     rv_op_vsoxei16_v = 430,
600     rv_op_vsoxei32_v = 431,
601     rv_op_vsoxei64_v = 432,
602     rv_op_vle8ff_v = 433,
603     rv_op_vle16ff_v = 434,
604     rv_op_vle32ff_v = 435,
605     rv_op_vle64ff_v = 436,
606     rv_op_vl1re8_v = 437,
607     rv_op_vl1re16_v = 438,
608     rv_op_vl1re32_v = 439,
609     rv_op_vl1re64_v = 440,
610     rv_op_vl2re8_v = 441,
611     rv_op_vl2re16_v = 442,
612     rv_op_vl2re32_v = 443,
613     rv_op_vl2re64_v = 444,
614     rv_op_vl4re8_v = 445,
615     rv_op_vl4re16_v = 446,
616     rv_op_vl4re32_v = 447,
617     rv_op_vl4re64_v = 448,
618     rv_op_vl8re8_v = 449,
619     rv_op_vl8re16_v = 450,
620     rv_op_vl8re32_v = 451,
621     rv_op_vl8re64_v = 452,
622     rv_op_vs1r_v = 453,
623     rv_op_vs2r_v = 454,
624     rv_op_vs4r_v = 455,
625     rv_op_vs8r_v = 456,
626     rv_op_vadd_vv = 457,
627     rv_op_vadd_vx = 458,
628     rv_op_vadd_vi = 459,
629     rv_op_vsub_vv = 460,
630     rv_op_vsub_vx = 461,
631     rv_op_vrsub_vx = 462,
632     rv_op_vrsub_vi = 463,
633     rv_op_vwaddu_vv = 464,
634     rv_op_vwaddu_vx = 465,
635     rv_op_vwadd_vv = 466,
636     rv_op_vwadd_vx = 467,
637     rv_op_vwsubu_vv = 468,
638     rv_op_vwsubu_vx = 469,
639     rv_op_vwsub_vv = 470,
640     rv_op_vwsub_vx = 471,
641     rv_op_vwaddu_wv = 472,
642     rv_op_vwaddu_wx = 473,
643     rv_op_vwadd_wv = 474,
644     rv_op_vwadd_wx = 475,
645     rv_op_vwsubu_wv = 476,
646     rv_op_vwsubu_wx = 477,
647     rv_op_vwsub_wv = 478,
648     rv_op_vwsub_wx = 479,
649     rv_op_vadc_vvm = 480,
650     rv_op_vadc_vxm = 481,
651     rv_op_vadc_vim = 482,
652     rv_op_vmadc_vvm = 483,
653     rv_op_vmadc_vxm = 484,
654     rv_op_vmadc_vim = 485,
655     rv_op_vsbc_vvm = 486,
656     rv_op_vsbc_vxm = 487,
657     rv_op_vmsbc_vvm = 488,
658     rv_op_vmsbc_vxm = 489,
659     rv_op_vand_vv = 490,
660     rv_op_vand_vx = 491,
661     rv_op_vand_vi = 492,
662     rv_op_vor_vv = 493,
663     rv_op_vor_vx = 494,
664     rv_op_vor_vi = 495,
665     rv_op_vxor_vv = 496,
666     rv_op_vxor_vx = 497,
667     rv_op_vxor_vi = 498,
668     rv_op_vsll_vv = 499,
669     rv_op_vsll_vx = 500,
670     rv_op_vsll_vi = 501,
671     rv_op_vsrl_vv = 502,
672     rv_op_vsrl_vx = 503,
673     rv_op_vsrl_vi = 504,
674     rv_op_vsra_vv = 505,
675     rv_op_vsra_vx = 506,
676     rv_op_vsra_vi = 507,
677     rv_op_vnsrl_wv = 508,
678     rv_op_vnsrl_wx = 509,
679     rv_op_vnsrl_wi = 510,
680     rv_op_vnsra_wv = 511,
681     rv_op_vnsra_wx = 512,
682     rv_op_vnsra_wi = 513,
683     rv_op_vmseq_vv = 514,
684     rv_op_vmseq_vx = 515,
685     rv_op_vmseq_vi = 516,
686     rv_op_vmsne_vv = 517,
687     rv_op_vmsne_vx = 518,
688     rv_op_vmsne_vi = 519,
689     rv_op_vmsltu_vv = 520,
690     rv_op_vmsltu_vx = 521,
691     rv_op_vmslt_vv = 522,
692     rv_op_vmslt_vx = 523,
693     rv_op_vmsleu_vv = 524,
694     rv_op_vmsleu_vx = 525,
695     rv_op_vmsleu_vi = 526,
696     rv_op_vmsle_vv = 527,
697     rv_op_vmsle_vx = 528,
698     rv_op_vmsle_vi = 529,
699     rv_op_vmsgtu_vx = 530,
700     rv_op_vmsgtu_vi = 531,
701     rv_op_vmsgt_vx = 532,
702     rv_op_vmsgt_vi = 533,
703     rv_op_vminu_vv = 534,
704     rv_op_vminu_vx = 535,
705     rv_op_vmin_vv = 536,
706     rv_op_vmin_vx = 537,
707     rv_op_vmaxu_vv = 538,
708     rv_op_vmaxu_vx = 539,
709     rv_op_vmax_vv = 540,
710     rv_op_vmax_vx = 541,
711     rv_op_vmul_vv = 542,
712     rv_op_vmul_vx = 543,
713     rv_op_vmulh_vv = 544,
714     rv_op_vmulh_vx = 545,
715     rv_op_vmulhu_vv = 546,
716     rv_op_vmulhu_vx = 547,
717     rv_op_vmulhsu_vv = 548,
718     rv_op_vmulhsu_vx = 549,
719     rv_op_vdivu_vv = 550,
720     rv_op_vdivu_vx = 551,
721     rv_op_vdiv_vv = 552,
722     rv_op_vdiv_vx = 553,
723     rv_op_vremu_vv = 554,
724     rv_op_vremu_vx = 555,
725     rv_op_vrem_vv = 556,
726     rv_op_vrem_vx = 557,
727     rv_op_vwmulu_vv = 558,
728     rv_op_vwmulu_vx = 559,
729     rv_op_vwmulsu_vv = 560,
730     rv_op_vwmulsu_vx = 561,
731     rv_op_vwmul_vv = 562,
732     rv_op_vwmul_vx = 563,
733     rv_op_vmacc_vv = 564,
734     rv_op_vmacc_vx = 565,
735     rv_op_vnmsac_vv = 566,
736     rv_op_vnmsac_vx = 567,
737     rv_op_vmadd_vv = 568,
738     rv_op_vmadd_vx = 569,
739     rv_op_vnmsub_vv = 570,
740     rv_op_vnmsub_vx = 571,
741     rv_op_vwmaccu_vv = 572,
742     rv_op_vwmaccu_vx = 573,
743     rv_op_vwmacc_vv = 574,
744     rv_op_vwmacc_vx = 575,
745     rv_op_vwmaccsu_vv = 576,
746     rv_op_vwmaccsu_vx = 577,
747     rv_op_vwmaccus_vx = 578,
748     rv_op_vmv_v_v = 579,
749     rv_op_vmv_v_x = 580,
750     rv_op_vmv_v_i = 581,
751     rv_op_vmerge_vvm = 582,
752     rv_op_vmerge_vxm = 583,
753     rv_op_vmerge_vim = 584,
754     rv_op_vsaddu_vv = 585,
755     rv_op_vsaddu_vx = 586,
756     rv_op_vsaddu_vi = 587,
757     rv_op_vsadd_vv = 588,
758     rv_op_vsadd_vx = 589,
759     rv_op_vsadd_vi = 590,
760     rv_op_vssubu_vv = 591,
761     rv_op_vssubu_vx = 592,
762     rv_op_vssub_vv = 593,
763     rv_op_vssub_vx = 594,
764     rv_op_vaadd_vv = 595,
765     rv_op_vaadd_vx = 596,
766     rv_op_vaaddu_vv = 597,
767     rv_op_vaaddu_vx = 598,
768     rv_op_vasub_vv = 599,
769     rv_op_vasub_vx = 600,
770     rv_op_vasubu_vv = 601,
771     rv_op_vasubu_vx = 602,
772     rv_op_vsmul_vv = 603,
773     rv_op_vsmul_vx = 604,
774     rv_op_vssrl_vv = 605,
775     rv_op_vssrl_vx = 606,
776     rv_op_vssrl_vi = 607,
777     rv_op_vssra_vv = 608,
778     rv_op_vssra_vx = 609,
779     rv_op_vssra_vi = 610,
780     rv_op_vnclipu_wv = 611,
781     rv_op_vnclipu_wx = 612,
782     rv_op_vnclipu_wi = 613,
783     rv_op_vnclip_wv = 614,
784     rv_op_vnclip_wx = 615,
785     rv_op_vnclip_wi = 616,
786     rv_op_vfadd_vv = 617,
787     rv_op_vfadd_vf = 618,
788     rv_op_vfsub_vv = 619,
789     rv_op_vfsub_vf = 620,
790     rv_op_vfrsub_vf = 621,
791     rv_op_vfwadd_vv = 622,
792     rv_op_vfwadd_vf = 623,
793     rv_op_vfwadd_wv = 624,
794     rv_op_vfwadd_wf = 625,
795     rv_op_vfwsub_vv = 626,
796     rv_op_vfwsub_vf = 627,
797     rv_op_vfwsub_wv = 628,
798     rv_op_vfwsub_wf = 629,
799     rv_op_vfmul_vv = 630,
800     rv_op_vfmul_vf = 631,
801     rv_op_vfdiv_vv = 632,
802     rv_op_vfdiv_vf = 633,
803     rv_op_vfrdiv_vf = 634,
804     rv_op_vfwmul_vv = 635,
805     rv_op_vfwmul_vf = 636,
806     rv_op_vfmacc_vv = 637,
807     rv_op_vfmacc_vf = 638,
808     rv_op_vfnmacc_vv = 639,
809     rv_op_vfnmacc_vf = 640,
810     rv_op_vfmsac_vv = 641,
811     rv_op_vfmsac_vf = 642,
812     rv_op_vfnmsac_vv = 643,
813     rv_op_vfnmsac_vf = 644,
814     rv_op_vfmadd_vv = 645,
815     rv_op_vfmadd_vf = 646,
816     rv_op_vfnmadd_vv = 647,
817     rv_op_vfnmadd_vf = 648,
818     rv_op_vfmsub_vv = 649,
819     rv_op_vfmsub_vf = 650,
820     rv_op_vfnmsub_vv = 651,
821     rv_op_vfnmsub_vf = 652,
822     rv_op_vfwmacc_vv = 653,
823     rv_op_vfwmacc_vf = 654,
824     rv_op_vfwnmacc_vv = 655,
825     rv_op_vfwnmacc_vf = 656,
826     rv_op_vfwmsac_vv = 657,
827     rv_op_vfwmsac_vf = 658,
828     rv_op_vfwnmsac_vv = 659,
829     rv_op_vfwnmsac_vf = 660,
830     rv_op_vfsqrt_v = 661,
831     rv_op_vfrsqrt7_v = 662,
832     rv_op_vfrec7_v = 663,
833     rv_op_vfmin_vv = 664,
834     rv_op_vfmin_vf = 665,
835     rv_op_vfmax_vv = 666,
836     rv_op_vfmax_vf = 667,
837     rv_op_vfsgnj_vv = 668,
838     rv_op_vfsgnj_vf = 669,
839     rv_op_vfsgnjn_vv = 670,
840     rv_op_vfsgnjn_vf = 671,
841     rv_op_vfsgnjx_vv = 672,
842     rv_op_vfsgnjx_vf = 673,
843     rv_op_vfslide1up_vf = 674,
844     rv_op_vfslide1down_vf = 675,
845     rv_op_vmfeq_vv = 676,
846     rv_op_vmfeq_vf = 677,
847     rv_op_vmfne_vv = 678,
848     rv_op_vmfne_vf = 679,
849     rv_op_vmflt_vv = 680,
850     rv_op_vmflt_vf = 681,
851     rv_op_vmfle_vv = 682,
852     rv_op_vmfle_vf = 683,
853     rv_op_vmfgt_vf = 684,
854     rv_op_vmfge_vf = 685,
855     rv_op_vfclass_v = 686,
856     rv_op_vfmerge_vfm = 687,
857     rv_op_vfmv_v_f = 688,
858     rv_op_vfcvt_xu_f_v = 689,
859     rv_op_vfcvt_x_f_v = 690,
860     rv_op_vfcvt_f_xu_v = 691,
861     rv_op_vfcvt_f_x_v = 692,
862     rv_op_vfcvt_rtz_xu_f_v = 693,
863     rv_op_vfcvt_rtz_x_f_v = 694,
864     rv_op_vfwcvt_xu_f_v = 695,
865     rv_op_vfwcvt_x_f_v = 696,
866     rv_op_vfwcvt_f_xu_v = 697,
867     rv_op_vfwcvt_f_x_v = 698,
868     rv_op_vfwcvt_f_f_v = 699,
869     rv_op_vfwcvt_rtz_xu_f_v = 700,
870     rv_op_vfwcvt_rtz_x_f_v = 701,
871     rv_op_vfncvt_xu_f_w = 702,
872     rv_op_vfncvt_x_f_w = 703,
873     rv_op_vfncvt_f_xu_w = 704,
874     rv_op_vfncvt_f_x_w = 705,
875     rv_op_vfncvt_f_f_w = 706,
876     rv_op_vfncvt_rod_f_f_w = 707,
877     rv_op_vfncvt_rtz_xu_f_w = 708,
878     rv_op_vfncvt_rtz_x_f_w = 709,
879     rv_op_vredsum_vs = 710,
880     rv_op_vredand_vs = 711,
881     rv_op_vredor_vs = 712,
882     rv_op_vredxor_vs = 713,
883     rv_op_vredminu_vs = 714,
884     rv_op_vredmin_vs = 715,
885     rv_op_vredmaxu_vs = 716,
886     rv_op_vredmax_vs = 717,
887     rv_op_vwredsumu_vs = 718,
888     rv_op_vwredsum_vs = 719,
889     rv_op_vfredusum_vs = 720,
890     rv_op_vfredosum_vs = 721,
891     rv_op_vfredmin_vs = 722,
892     rv_op_vfredmax_vs = 723,
893     rv_op_vfwredusum_vs = 724,
894     rv_op_vfwredosum_vs = 725,
895     rv_op_vmand_mm = 726,
896     rv_op_vmnand_mm = 727,
897     rv_op_vmandn_mm = 728,
898     rv_op_vmxor_mm = 729,
899     rv_op_vmor_mm = 730,
900     rv_op_vmnor_mm = 731,
901     rv_op_vmorn_mm = 732,
902     rv_op_vmxnor_mm = 733,
903     rv_op_vcpop_m = 734,
904     rv_op_vfirst_m = 735,
905     rv_op_vmsbf_m = 736,
906     rv_op_vmsif_m = 737,
907     rv_op_vmsof_m = 738,
908     rv_op_viota_m = 739,
909     rv_op_vid_v = 740,
910     rv_op_vmv_x_s = 741,
911     rv_op_vmv_s_x = 742,
912     rv_op_vfmv_f_s = 743,
913     rv_op_vfmv_s_f = 744,
914     rv_op_vslideup_vx = 745,
915     rv_op_vslideup_vi = 746,
916     rv_op_vslide1up_vx = 747,
917     rv_op_vslidedown_vx = 748,
918     rv_op_vslidedown_vi = 749,
919     rv_op_vslide1down_vx = 750,
920     rv_op_vrgather_vv = 751,
921     rv_op_vrgatherei16_vv = 752,
922     rv_op_vrgather_vx = 753,
923     rv_op_vrgather_vi = 754,
924     rv_op_vcompress_vm = 755,
925     rv_op_vmv1r_v = 756,
926     rv_op_vmv2r_v = 757,
927     rv_op_vmv4r_v = 758,
928     rv_op_vmv8r_v = 759,
929     rv_op_vzext_vf2 = 760,
930     rv_op_vzext_vf4 = 761,
931     rv_op_vzext_vf8 = 762,
932     rv_op_vsext_vf2 = 763,
933     rv_op_vsext_vf4 = 764,
934     rv_op_vsext_vf8 = 765,
935     rv_op_vsetvli = 766,
936     rv_op_vsetivli = 767,
937     rv_op_vsetvl = 768,
938 } rv_op;
939 
940 /* structures */
941 
942 typedef struct {
943     uint64_t  pc;
944     uint64_t  inst;
945     int32_t   imm;
946     uint16_t  op;
947     uint8_t   codec;
948     uint8_t   rd;
949     uint8_t   rs1;
950     uint8_t   rs2;
951     uint8_t   rs3;
952     uint8_t   rm;
953     uint8_t   pred;
954     uint8_t   succ;
955     uint8_t   aq;
956     uint8_t   rl;
957     uint8_t   bs;
958     uint8_t   rnum;
959     uint8_t   vm;
960     uint32_t  vzimm;
961 } rv_decode;
962 
963 typedef struct {
964     const int op;
965     const rvc_constraint *constraints;
966 } rv_comp_data;
967 
968 enum {
969     rvcd_imm_nz = 0x1
970 };
971 
972 typedef struct {
973     const char * const name;
974     const rv_codec codec;
975     const char * const format;
976     const rv_comp_data *pseudo;
977     const short decomp_rv32;
978     const short decomp_rv64;
979     const short decomp_rv128;
980     const short decomp_data;
981 } rv_opcode_data;
982 
983 /* register names */
984 
985 static const char rv_ireg_name_sym[32][5] = {
986     "zero", "ra",   "sp",   "gp",   "tp",   "t0",   "t1",   "t2",
987     "s0",   "s1",   "a0",   "a1",   "a2",   "a3",   "a4",   "a5",
988     "a6",   "a7",   "s2",   "s3",   "s4",   "s5",   "s6",   "s7",
989     "s8",   "s9",   "s10",  "s11",  "t3",   "t4",   "t5",   "t6",
990 };
991 
992 static const char rv_freg_name_sym[32][5] = {
993     "ft0",  "ft1",  "ft2",  "ft3",  "ft4",  "ft5",  "ft6",  "ft7",
994     "fs0",  "fs1",  "fa0",  "fa1",  "fa2",  "fa3",  "fa4",  "fa5",
995     "fa6",  "fa7",  "fs2",  "fs3",  "fs4",  "fs5",  "fs6",  "fs7",
996     "fs8",  "fs9",  "fs10", "fs11", "ft8",  "ft9",  "ft10", "ft11",
997 };
998 
999 static const char rv_vreg_name_sym[32][4] = {
1000     "v0",  "v1",  "v2",  "v3",  "v4",  "v5",  "v6",  "v7",
1001     "v8",  "v9",  "v10", "v11", "v12", "v13", "v14", "v15",
1002     "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
1003     "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31"
1004 };
1005 
1006 /* instruction formats */
1007 
1008 #define rv_fmt_none                   "O\t"
1009 #define rv_fmt_rs1                    "O\t1"
1010 #define rv_fmt_offset                 "O\to"
1011 #define rv_fmt_pred_succ              "O\tp,s"
1012 #define rv_fmt_rs1_rs2                "O\t1,2"
1013 #define rv_fmt_rd_imm                 "O\t0,i"
1014 #define rv_fmt_rd_offset              "O\t0,o"
1015 #define rv_fmt_rd_rs1_rs2             "O\t0,1,2"
1016 #define rv_fmt_frd_rs1                "O\t3,1"
1017 #define rv_fmt_frd_frs1               "O\t3,4"
1018 #define rv_fmt_rd_frs1                "O\t0,4"
1019 #define rv_fmt_rd_frs1_frs2           "O\t0,4,5"
1020 #define rv_fmt_frd_frs1_frs2          "O\t3,4,5"
1021 #define rv_fmt_rm_frd_frs1            "O\tr,3,4"
1022 #define rv_fmt_rm_frd_rs1             "O\tr,3,1"
1023 #define rv_fmt_rm_rd_frs1             "O\tr,0,4"
1024 #define rv_fmt_rm_frd_frs1_frs2       "O\tr,3,4,5"
1025 #define rv_fmt_rm_frd_frs1_frs2_frs3  "O\tr,3,4,5,6"
1026 #define rv_fmt_rd_rs1_imm             "O\t0,1,i"
1027 #define rv_fmt_rd_rs1_offset          "O\t0,1,i"
1028 #define rv_fmt_rd_offset_rs1          "O\t0,i(1)"
1029 #define rv_fmt_frd_offset_rs1         "O\t3,i(1)"
1030 #define rv_fmt_rd_csr_rs1             "O\t0,c,1"
1031 #define rv_fmt_rd_csr_zimm            "O\t0,c,7"
1032 #define rv_fmt_rs2_offset_rs1         "O\t2,i(1)"
1033 #define rv_fmt_frs2_offset_rs1        "O\t5,i(1)"
1034 #define rv_fmt_rs1_rs2_offset         "O\t1,2,o"
1035 #define rv_fmt_rs2_rs1_offset         "O\t2,1,o"
1036 #define rv_fmt_aqrl_rd_rs2_rs1        "OAR\t0,2,(1)"
1037 #define rv_fmt_aqrl_rd_rs1            "OAR\t0,(1)"
1038 #define rv_fmt_rd                     "O\t0"
1039 #define rv_fmt_rd_zimm                "O\t0,7"
1040 #define rv_fmt_rd_rs1                 "O\t0,1"
1041 #define rv_fmt_rd_rs2                 "O\t0,2"
1042 #define rv_fmt_rs1_offset             "O\t1,o"
1043 #define rv_fmt_rs2_offset             "O\t2,o"
1044 #define rv_fmt_rs1_rs2_bs             "O\t1,2,b"
1045 #define rv_fmt_rd_rs1_rnum            "O\t0,1,n"
1046 #define rv_fmt_ldst_vd_rs1_vm         "O\tD,(1)m"
1047 #define rv_fmt_ldst_vd_rs1_rs2_vm     "O\tD,(1),2m"
1048 #define rv_fmt_ldst_vd_rs1_vs2_vm     "O\tD,(1),Fm"
1049 #define rv_fmt_vd_vs2_vs1             "O\tD,F,E"
1050 #define rv_fmt_vd_vs2_vs1_vl          "O\tD,F,El"
1051 #define rv_fmt_vd_vs2_vs1_vm          "O\tD,F,Em"
1052 #define rv_fmt_vd_vs2_rs1_vl          "O\tD,F,1l"
1053 #define rv_fmt_vd_vs2_fs1_vl          "O\tD,F,4l"
1054 #define rv_fmt_vd_vs2_rs1_vm          "O\tD,F,1m"
1055 #define rv_fmt_vd_vs2_fs1_vm          "O\tD,F,4m"
1056 #define rv_fmt_vd_vs2_imm_vl          "O\tD,F,il"
1057 #define rv_fmt_vd_vs2_imm_vm          "O\tD,F,im"
1058 #define rv_fmt_vd_vs2_uimm_vm         "O\tD,F,um"
1059 #define rv_fmt_vd_vs1_vs2_vm          "O\tD,E,Fm"
1060 #define rv_fmt_vd_rs1_vs2_vm          "O\tD,1,Fm"
1061 #define rv_fmt_vd_fs1_vs2_vm          "O\tD,4,Fm"
1062 #define rv_fmt_vd_vs1                 "O\tD,E"
1063 #define rv_fmt_vd_rs1                 "O\tD,1"
1064 #define rv_fmt_vd_fs1                 "O\tD,4"
1065 #define rv_fmt_vd_imm                 "O\tD,i"
1066 #define rv_fmt_vd_vs2                 "O\tD,F"
1067 #define rv_fmt_vd_vs2_vm              "O\tD,Fm"
1068 #define rv_fmt_rd_vs2_vm              "O\t0,Fm"
1069 #define rv_fmt_rd_vs2                 "O\t0,F"
1070 #define rv_fmt_fd_vs2                 "O\t3,F"
1071 #define rv_fmt_vd_vm                  "O\tDm"
1072 #define rv_fmt_vsetvli                "O\t0,1,v"
1073 #define rv_fmt_vsetivli               "O\t0,u,v"
1074 
1075 /* pseudo-instruction constraints */
1076 
1077 static const rvc_constraint rvcc_jal[] = { rvc_rd_eq_ra, rvc_end };
1078 static const rvc_constraint rvcc_jalr[] = { rvc_rd_eq_ra, rvc_imm_eq_zero, rvc_end };
1079 static const rvc_constraint rvcc_nop[] = { rvc_rd_eq_x0, rvc_rs1_eq_x0, rvc_imm_eq_zero, rvc_end };
1080 static const rvc_constraint rvcc_mv[] = { rvc_imm_eq_zero, rvc_end };
1081 static const rvc_constraint rvcc_not[] = { rvc_imm_eq_n1, rvc_end };
1082 static const rvc_constraint rvcc_neg[] = { rvc_rs1_eq_x0, rvc_end };
1083 static const rvc_constraint rvcc_negw[] = { rvc_rs1_eq_x0, rvc_end };
1084 static const rvc_constraint rvcc_sext_w[] = { rvc_imm_eq_zero, rvc_end };
1085 static const rvc_constraint rvcc_seqz[] = { rvc_imm_eq_p1, rvc_end };
1086 static const rvc_constraint rvcc_snez[] = { rvc_rs1_eq_x0, rvc_end };
1087 static const rvc_constraint rvcc_sltz[] = { rvc_rs2_eq_x0, rvc_end };
1088 static const rvc_constraint rvcc_sgtz[] = { rvc_rs1_eq_x0, rvc_end };
1089 static const rvc_constraint rvcc_fmv_s[] = { rvc_rs2_eq_rs1, rvc_end };
1090 static const rvc_constraint rvcc_fabs_s[] = { rvc_rs2_eq_rs1, rvc_end };
1091 static const rvc_constraint rvcc_fneg_s[] = { rvc_rs2_eq_rs1, rvc_end };
1092 static const rvc_constraint rvcc_fmv_d[] = { rvc_rs2_eq_rs1, rvc_end };
1093 static const rvc_constraint rvcc_fabs_d[] = { rvc_rs2_eq_rs1, rvc_end };
1094 static const rvc_constraint rvcc_fneg_d[] = { rvc_rs2_eq_rs1, rvc_end };
1095 static const rvc_constraint rvcc_fmv_q[] = { rvc_rs2_eq_rs1, rvc_end };
1096 static const rvc_constraint rvcc_fabs_q[] = { rvc_rs2_eq_rs1, rvc_end };
1097 static const rvc_constraint rvcc_fneg_q[] = { rvc_rs2_eq_rs1, rvc_end };
1098 static const rvc_constraint rvcc_beqz[] = { rvc_rs2_eq_x0, rvc_end };
1099 static const rvc_constraint rvcc_bnez[] = { rvc_rs2_eq_x0, rvc_end };
1100 static const rvc_constraint rvcc_blez[] = { rvc_rs1_eq_x0, rvc_end };
1101 static const rvc_constraint rvcc_bgez[] = { rvc_rs2_eq_x0, rvc_end };
1102 static const rvc_constraint rvcc_bltz[] = { rvc_rs2_eq_x0, rvc_end };
1103 static const rvc_constraint rvcc_bgtz[] = { rvc_rs1_eq_x0, rvc_end };
1104 static const rvc_constraint rvcc_ble[] = { rvc_end };
1105 static const rvc_constraint rvcc_bleu[] = { rvc_end };
1106 static const rvc_constraint rvcc_bgt[] = { rvc_end };
1107 static const rvc_constraint rvcc_bgtu[] = { rvc_end };
1108 static const rvc_constraint rvcc_j[] = { rvc_rd_eq_x0, rvc_end };
1109 static const rvc_constraint rvcc_ret[] = { rvc_rd_eq_x0, rvc_rs1_eq_ra, rvc_end };
1110 static const rvc_constraint rvcc_jr[] = { rvc_rd_eq_x0, rvc_imm_eq_zero, rvc_end };
1111 static const rvc_constraint rvcc_rdcycle[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc00, rvc_end };
1112 static const rvc_constraint rvcc_rdtime[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc01, rvc_end };
1113 static const rvc_constraint rvcc_rdinstret[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc02, rvc_end };
1114 static const rvc_constraint rvcc_rdcycleh[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc80, rvc_end };
1115 static const rvc_constraint rvcc_rdtimeh[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc81, rvc_end };
1116 static const rvc_constraint rvcc_rdinstreth[] = { rvc_rs1_eq_x0,
1117                                                   rvc_csr_eq_0xc82, rvc_end };
1118 static const rvc_constraint rvcc_frcsr[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x003, rvc_end };
1119 static const rvc_constraint rvcc_frrm[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x002, rvc_end };
1120 static const rvc_constraint rvcc_frflags[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x001, rvc_end };
1121 static const rvc_constraint rvcc_fscsr[] = { rvc_csr_eq_0x003, rvc_end };
1122 static const rvc_constraint rvcc_fsrm[] = { rvc_csr_eq_0x002, rvc_end };
1123 static const rvc_constraint rvcc_fsflags[] = { rvc_csr_eq_0x001, rvc_end };
1124 static const rvc_constraint rvcc_fsrmi[] = { rvc_csr_eq_0x002, rvc_end };
1125 static const rvc_constraint rvcc_fsflagsi[] = { rvc_csr_eq_0x001, rvc_end };
1126 
1127 /* pseudo-instruction metadata */
1128 
1129 static const rv_comp_data rvcp_jal[] = {
1130     { rv_op_j, rvcc_j },
1131     { rv_op_jal, rvcc_jal },
1132     { rv_op_illegal, NULL }
1133 };
1134 
1135 static const rv_comp_data rvcp_jalr[] = {
1136     { rv_op_ret, rvcc_ret },
1137     { rv_op_jr, rvcc_jr },
1138     { rv_op_jalr, rvcc_jalr },
1139     { rv_op_illegal, NULL }
1140 };
1141 
1142 static const rv_comp_data rvcp_beq[] = {
1143     { rv_op_beqz, rvcc_beqz },
1144     { rv_op_illegal, NULL }
1145 };
1146 
1147 static const rv_comp_data rvcp_bne[] = {
1148     { rv_op_bnez, rvcc_bnez },
1149     { rv_op_illegal, NULL }
1150 };
1151 
1152 static const rv_comp_data rvcp_blt[] = {
1153     { rv_op_bltz, rvcc_bltz },
1154     { rv_op_bgtz, rvcc_bgtz },
1155     { rv_op_bgt, rvcc_bgt },
1156     { rv_op_illegal, NULL }
1157 };
1158 
1159 static const rv_comp_data rvcp_bge[] = {
1160     { rv_op_blez, rvcc_blez },
1161     { rv_op_bgez, rvcc_bgez },
1162     { rv_op_ble, rvcc_ble },
1163     { rv_op_illegal, NULL }
1164 };
1165 
1166 static const rv_comp_data rvcp_bltu[] = {
1167     { rv_op_bgtu, rvcc_bgtu },
1168     { rv_op_illegal, NULL }
1169 };
1170 
1171 static const rv_comp_data rvcp_bgeu[] = {
1172     { rv_op_bleu, rvcc_bleu },
1173     { rv_op_illegal, NULL }
1174 };
1175 
1176 static const rv_comp_data rvcp_addi[] = {
1177     { rv_op_nop, rvcc_nop },
1178     { rv_op_mv, rvcc_mv },
1179     { rv_op_illegal, NULL }
1180 };
1181 
1182 static const rv_comp_data rvcp_sltiu[] = {
1183     { rv_op_seqz, rvcc_seqz },
1184     { rv_op_illegal, NULL }
1185 };
1186 
1187 static const rv_comp_data rvcp_xori[] = {
1188     { rv_op_not, rvcc_not },
1189     { rv_op_illegal, NULL }
1190 };
1191 
1192 static const rv_comp_data rvcp_sub[] = {
1193     { rv_op_neg, rvcc_neg },
1194     { rv_op_illegal, NULL }
1195 };
1196 
1197 static const rv_comp_data rvcp_slt[] = {
1198     { rv_op_sltz, rvcc_sltz },
1199     { rv_op_sgtz, rvcc_sgtz },
1200     { rv_op_illegal, NULL }
1201 };
1202 
1203 static const rv_comp_data rvcp_sltu[] = {
1204     { rv_op_snez, rvcc_snez },
1205     { rv_op_illegal, NULL }
1206 };
1207 
1208 static const rv_comp_data rvcp_addiw[] = {
1209     { rv_op_sext_w, rvcc_sext_w },
1210     { rv_op_illegal, NULL }
1211 };
1212 
1213 static const rv_comp_data rvcp_subw[] = {
1214     { rv_op_negw, rvcc_negw },
1215     { rv_op_illegal, NULL }
1216 };
1217 
1218 static const rv_comp_data rvcp_csrrw[] = {
1219     { rv_op_fscsr, rvcc_fscsr },
1220     { rv_op_fsrm, rvcc_fsrm },
1221     { rv_op_fsflags, rvcc_fsflags },
1222     { rv_op_illegal, NULL }
1223 };
1224 
1225 
1226 static const rv_comp_data rvcp_csrrs[] = {
1227     { rv_op_rdcycle, rvcc_rdcycle },
1228     { rv_op_rdtime, rvcc_rdtime },
1229     { rv_op_rdinstret, rvcc_rdinstret },
1230     { rv_op_rdcycleh, rvcc_rdcycleh },
1231     { rv_op_rdtimeh, rvcc_rdtimeh },
1232     { rv_op_rdinstreth, rvcc_rdinstreth },
1233     { rv_op_frcsr, rvcc_frcsr },
1234     { rv_op_frrm, rvcc_frrm },
1235     { rv_op_frflags, rvcc_frflags },
1236     { rv_op_illegal, NULL }
1237 };
1238 
1239 static const rv_comp_data rvcp_csrrwi[] = {
1240     { rv_op_fsrmi, rvcc_fsrmi },
1241     { rv_op_fsflagsi, rvcc_fsflagsi },
1242     { rv_op_illegal, NULL }
1243 };
1244 
1245 static const rv_comp_data rvcp_fsgnj_s[] = {
1246     { rv_op_fmv_s, rvcc_fmv_s },
1247     { rv_op_illegal, NULL }
1248 };
1249 
1250 static const rv_comp_data rvcp_fsgnjn_s[] = {
1251     { rv_op_fneg_s, rvcc_fneg_s },
1252     { rv_op_illegal, NULL }
1253 };
1254 
1255 static const rv_comp_data rvcp_fsgnjx_s[] = {
1256     { rv_op_fabs_s, rvcc_fabs_s },
1257     { rv_op_illegal, NULL }
1258 };
1259 
1260 static const rv_comp_data rvcp_fsgnj_d[] = {
1261     { rv_op_fmv_d, rvcc_fmv_d },
1262     { rv_op_illegal, NULL }
1263 };
1264 
1265 static const rv_comp_data rvcp_fsgnjn_d[] = {
1266     { rv_op_fneg_d, rvcc_fneg_d },
1267     { rv_op_illegal, NULL }
1268 };
1269 
1270 static const rv_comp_data rvcp_fsgnjx_d[] = {
1271     { rv_op_fabs_d, rvcc_fabs_d },
1272     { rv_op_illegal, NULL }
1273 };
1274 
1275 static const rv_comp_data rvcp_fsgnj_q[] = {
1276     { rv_op_fmv_q, rvcc_fmv_q },
1277     { rv_op_illegal, NULL }
1278 };
1279 
1280 static const rv_comp_data rvcp_fsgnjn_q[] = {
1281     { rv_op_fneg_q, rvcc_fneg_q },
1282     { rv_op_illegal, NULL }
1283 };
1284 
1285 static const rv_comp_data rvcp_fsgnjx_q[] = {
1286     { rv_op_fabs_q, rvcc_fabs_q },
1287     { rv_op_illegal, NULL }
1288 };
1289 
1290 /* instruction metadata */
1291 
1292 const rv_opcode_data opcode_data[] = {
1293     { "illegal", rv_codec_illegal, rv_fmt_none, NULL, 0, 0, 0 },
1294     { "lui", rv_codec_u, rv_fmt_rd_imm, NULL, 0, 0, 0 },
1295     { "auipc", rv_codec_u, rv_fmt_rd_offset, NULL, 0, 0, 0 },
1296     { "jal", rv_codec_uj, rv_fmt_rd_offset, rvcp_jal, 0, 0, 0 },
1297     { "jalr", rv_codec_i, rv_fmt_rd_rs1_offset, rvcp_jalr, 0, 0, 0 },
1298     { "beq", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_beq, 0, 0, 0 },
1299     { "bne", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bne, 0, 0, 0 },
1300     { "blt", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_blt, 0, 0, 0 },
1301     { "bge", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bge, 0, 0, 0 },
1302     { "bltu", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bltu, 0, 0, 0 },
1303     { "bgeu", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bgeu, 0, 0, 0 },
1304     { "lb", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1305     { "lh", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1306     { "lw", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1307     { "lbu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1308     { "lhu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1309     { "sb", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1310     { "sh", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1311     { "sw", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1312     { "addi", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_addi, 0, 0, 0 },
1313     { "slti", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1314     { "sltiu", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_sltiu, 0, 0, 0 },
1315     { "xori", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_xori, 0, 0, 0 },
1316     { "ori", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1317     { "andi", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1318     { "slli", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1319     { "srli", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1320     { "srai", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1321     { "add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1322     { "sub", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_sub, 0, 0, 0 },
1323     { "sll", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1324     { "slt", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_slt, 0, 0, 0 },
1325     { "sltu", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_sltu, 0, 0, 0 },
1326     { "xor", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1327     { "srl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1328     { "sra", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1329     { "or", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1330     { "and", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1331     { "fence", rv_codec_r_f, rv_fmt_pred_succ, NULL, 0, 0, 0 },
1332     { "fence.i", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1333     { "lwu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1334     { "ld", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1335     { "sd", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1336     { "addiw", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_addiw, 0, 0, 0 },
1337     { "slliw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1338     { "srliw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1339     { "sraiw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1340     { "addw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1341     { "subw", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_subw, 0, 0, 0 },
1342     { "sllw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1343     { "srlw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1344     { "sraw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1345     { "ldu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1346     { "lq", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1347     { "sq", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1348     { "addid", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1349     { "sllid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1350     { "srlid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1351     { "sraid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1352     { "addd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1353     { "subd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1354     { "slld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1355     { "srld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1356     { "srad", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1357     { "mul", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1358     { "mulh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1359     { "mulhsu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1360     { "mulhu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1361     { "div", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1362     { "divu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1363     { "rem", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1364     { "remu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1365     { "mulw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1366     { "divw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1367     { "divuw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1368     { "remw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1369     { "remuw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1370     { "muld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1371     { "divd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1372     { "divud", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1373     { "remd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1374     { "remud", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1375     { "lr.w", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1376     { "sc.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1377     { "amoswap.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1378     { "amoadd.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1379     { "amoxor.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1380     { "amoor.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1381     { "amoand.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1382     { "amomin.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1383     { "amomax.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1384     { "amominu.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1385     { "amomaxu.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1386     { "lr.d", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1387     { "sc.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1388     { "amoswap.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1389     { "amoadd.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1390     { "amoxor.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1391     { "amoor.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1392     { "amoand.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1393     { "amomin.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1394     { "amomax.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1395     { "amominu.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1396     { "amomaxu.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1397     { "lr.q", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1398     { "sc.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1399     { "amoswap.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1400     { "amoadd.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1401     { "amoxor.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1402     { "amoor.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1403     { "amoand.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1404     { "amomin.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1405     { "amomax.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1406     { "amominu.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1407     { "amomaxu.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1408     { "ecall", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1409     { "ebreak", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1410     { "uret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1411     { "sret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1412     { "hret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1413     { "mret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1414     { "dret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1415     { "sfence.vm", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 },
1416     { "sfence.vma", rv_codec_r, rv_fmt_rs1_rs2, NULL, 0, 0, 0 },
1417     { "wfi", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1418     { "csrrw", rv_codec_i_csr, rv_fmt_rd_csr_rs1, rvcp_csrrw, 0, 0, 0 },
1419     { "csrrs", rv_codec_i_csr, rv_fmt_rd_csr_rs1, rvcp_csrrs, 0, 0, 0 },
1420     { "csrrc", rv_codec_i_csr, rv_fmt_rd_csr_rs1, NULL, 0, 0, 0 },
1421     { "csrrwi", rv_codec_i_csr, rv_fmt_rd_csr_zimm, rvcp_csrrwi, 0, 0, 0 },
1422     { "csrrsi", rv_codec_i_csr, rv_fmt_rd_csr_zimm, NULL, 0, 0, 0 },
1423     { "csrrci", rv_codec_i_csr, rv_fmt_rd_csr_zimm, NULL, 0, 0, 0 },
1424     { "flw", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1425     { "fsw", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1426     { "fmadd.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1427     { "fmsub.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1428     { "fnmsub.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1429     { "fnmadd.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1430     { "fadd.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1431     { "fsub.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1432     { "fmul.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1433     { "fdiv.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1434     { "fsgnj.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_s, 0, 0, 0 },
1435     { "fsgnjn.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_s, 0, 0, 0 },
1436     { "fsgnjx.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_s, 0, 0, 0 },
1437     { "fmin.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1438     { "fmax.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1439     { "fsqrt.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1440     { "fle.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1441     { "flt.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1442     { "feq.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1443     { "fcvt.w.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1444     { "fcvt.wu.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1445     { "fcvt.s.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1446     { "fcvt.s.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1447     { "fmv.x.s", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1448     { "fclass.s", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1449     { "fmv.s.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1450     { "fcvt.l.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1451     { "fcvt.lu.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1452     { "fcvt.s.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1453     { "fcvt.s.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1454     { "fld", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1455     { "fsd", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1456     { "fmadd.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1457     { "fmsub.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1458     { "fnmsub.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1459     { "fnmadd.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1460     { "fadd.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1461     { "fsub.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1462     { "fmul.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1463     { "fdiv.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1464     { "fsgnj.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_d, 0, 0, 0 },
1465     { "fsgnjn.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_d, 0, 0, 0 },
1466     { "fsgnjx.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_d, 0, 0, 0 },
1467     { "fmin.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1468     { "fmax.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1469     { "fcvt.s.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1470     { "fcvt.d.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1471     { "fsqrt.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1472     { "fle.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1473     { "flt.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1474     { "feq.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1475     { "fcvt.w.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1476     { "fcvt.wu.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1477     { "fcvt.d.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1478     { "fcvt.d.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1479     { "fclass.d", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1480     { "fcvt.l.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1481     { "fcvt.lu.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1482     { "fmv.x.d", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1483     { "fcvt.d.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1484     { "fcvt.d.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1485     { "fmv.d.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1486     { "flq", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1487     { "fsq", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1488     { "fmadd.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1489     { "fmsub.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1490     { "fnmsub.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1491     { "fnmadd.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1492     { "fadd.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1493     { "fsub.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1494     { "fmul.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1495     { "fdiv.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1496     { "fsgnj.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_q, 0, 0, 0 },
1497     { "fsgnjn.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_q, 0, 0, 0 },
1498     { "fsgnjx.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_q, 0, 0, 0 },
1499     { "fmin.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1500     { "fmax.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1501     { "fcvt.s.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1502     { "fcvt.q.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1503     { "fcvt.d.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1504     { "fcvt.q.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1505     { "fsqrt.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1506     { "fle.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1507     { "flt.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1508     { "feq.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1509     { "fcvt.w.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1510     { "fcvt.wu.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1511     { "fcvt.q.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1512     { "fcvt.q.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1513     { "fclass.q", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1514     { "fcvt.l.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1515     { "fcvt.lu.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1516     { "fcvt.q.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1517     { "fcvt.q.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1518     { "fmv.x.q", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1519     { "fmv.q.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1520     { "c.addi4spn", rv_codec_ciw_4spn, rv_fmt_rd_rs1_imm, NULL, rv_op_addi,
1521       rv_op_addi, rv_op_addi, rvcd_imm_nz },
1522     { "c.fld", rv_codec_cl_ld, rv_fmt_frd_offset_rs1, NULL, rv_op_fld, rv_op_fld, 0 },
1523     { "c.lw", rv_codec_cl_lw, rv_fmt_rd_offset_rs1, NULL, rv_op_lw, rv_op_lw, rv_op_lw },
1524     { "c.flw", rv_codec_cl_lw, rv_fmt_frd_offset_rs1, NULL, rv_op_flw, 0, 0 },
1525     { "c.fsd", rv_codec_cs_sd, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd, rv_op_fsd, 0 },
1526     { "c.sw", rv_codec_cs_sw, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw, rv_op_sw, rv_op_sw },
1527     { "c.fsw", rv_codec_cs_sw, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsw, 0, 0 },
1528     { "c.nop", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_addi, rv_op_addi, rv_op_addi },
1529     { "c.addi", rv_codec_ci, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi,
1530       rv_op_addi, rvcd_imm_nz },
1531     { "c.jal", rv_codec_cj_jal, rv_fmt_rd_offset, NULL, rv_op_jal, 0, 0 },
1532     { "c.li", rv_codec_ci_li, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi, rv_op_addi },
1533     { "c.addi16sp", rv_codec_ci_16sp, rv_fmt_rd_rs1_imm, NULL, rv_op_addi,
1534       rv_op_addi, rv_op_addi, rvcd_imm_nz },
1535     { "c.lui", rv_codec_ci_lui, rv_fmt_rd_imm, NULL, rv_op_lui, rv_op_lui,
1536       rv_op_lui, rvcd_imm_nz },
1537     { "c.srli", rv_codec_cb_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_srli,
1538       rv_op_srli, rv_op_srli, rvcd_imm_nz },
1539     { "c.srai", rv_codec_cb_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_srai,
1540       rv_op_srai, rv_op_srai, rvcd_imm_nz },
1541     { "c.andi", rv_codec_cb_imm, rv_fmt_rd_rs1_imm, NULL, rv_op_andi,
1542       rv_op_andi, rv_op_andi },
1543     { "c.sub", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_sub, rv_op_sub, rv_op_sub },
1544     { "c.xor", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_xor, rv_op_xor, rv_op_xor },
1545     { "c.or", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_or, rv_op_or, rv_op_or },
1546     { "c.and", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_and, rv_op_and, rv_op_and },
1547     { "c.subw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_subw, rv_op_subw, rv_op_subw },
1548     { "c.addw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_addw, rv_op_addw, rv_op_addw },
1549     { "c.j", rv_codec_cj, rv_fmt_rd_offset, NULL, rv_op_jal, rv_op_jal, rv_op_jal },
1550     { "c.beqz", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_beq, rv_op_beq, rv_op_beq },
1551     { "c.bnez", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_bne, rv_op_bne, rv_op_bne },
1552     { "c.slli", rv_codec_ci_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_slli,
1553       rv_op_slli, rv_op_slli, rvcd_imm_nz },
1554     { "c.fldsp", rv_codec_ci_ldsp, rv_fmt_frd_offset_rs1, NULL, rv_op_fld, rv_op_fld, rv_op_fld },
1555     { "c.lwsp", rv_codec_ci_lwsp, rv_fmt_rd_offset_rs1, NULL, rv_op_lw, rv_op_lw, rv_op_lw },
1556     { "c.flwsp", rv_codec_ci_lwsp, rv_fmt_frd_offset_rs1, NULL, rv_op_flw, 0, 0 },
1557     { "c.jr", rv_codec_cr_jr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr, rv_op_jalr, rv_op_jalr },
1558     { "c.mv", rv_codec_cr_mv, rv_fmt_rd_rs1_rs2, NULL, rv_op_addi, rv_op_addi, rv_op_addi },
1559     { "c.ebreak", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_ebreak, rv_op_ebreak, rv_op_ebreak },
1560     { "c.jalr", rv_codec_cr_jalr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr, rv_op_jalr, rv_op_jalr },
1561     { "c.add", rv_codec_cr, rv_fmt_rd_rs1_rs2, NULL, rv_op_add, rv_op_add, rv_op_add },
1562     { "c.fsdsp", rv_codec_css_sdsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd, rv_op_fsd, rv_op_fsd },
1563     { "c.swsp", rv_codec_css_swsp, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw, rv_op_sw, rv_op_sw },
1564     { "c.fswsp", rv_codec_css_swsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsw, 0, 0 },
1565     { "c.ld", rv_codec_cl_ld, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld, rv_op_ld },
1566     { "c.sd", rv_codec_cs_sd, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd, rv_op_sd },
1567     { "c.addiw", rv_codec_ci, rv_fmt_rd_rs1_imm, NULL, 0, rv_op_addiw, rv_op_addiw },
1568     { "c.ldsp", rv_codec_ci_ldsp, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld, rv_op_ld },
1569     { "c.sdsp", rv_codec_css_sdsp, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd, rv_op_sd },
1570     { "c.lq", rv_codec_cl_lq, rv_fmt_rd_offset_rs1, NULL, 0, 0, rv_op_lq },
1571     { "c.sq", rv_codec_cs_sq, rv_fmt_rs2_offset_rs1, NULL, 0, 0, rv_op_sq },
1572     { "c.lqsp", rv_codec_ci_lqsp, rv_fmt_rd_offset_rs1, NULL, 0, 0, rv_op_lq },
1573     { "c.sqsp", rv_codec_css_sqsp, rv_fmt_rs2_offset_rs1, NULL, 0, 0, rv_op_sq },
1574     { "nop", rv_codec_i, rv_fmt_none, NULL, 0, 0, 0 },
1575     { "mv", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1576     { "not", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1577     { "neg", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1578     { "negw", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1579     { "sext.w", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1580     { "seqz", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1581     { "snez", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1582     { "sltz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1583     { "sgtz", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1584     { "fmv.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1585     { "fabs.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1586     { "fneg.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1587     { "fmv.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1588     { "fabs.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1589     { "fneg.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1590     { "fmv.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1591     { "fabs.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1592     { "fneg.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1593     { "beqz", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1594     { "bnez", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1595     { "blez", rv_codec_sb, rv_fmt_rs2_offset, NULL, 0, 0, 0 },
1596     { "bgez", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1597     { "bltz", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1598     { "bgtz", rv_codec_sb, rv_fmt_rs2_offset, NULL, 0, 0, 0 },
1599     { "ble", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1600     { "bleu", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1601     { "bgt", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1602     { "bgtu", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1603     { "j", rv_codec_uj, rv_fmt_offset, NULL, 0, 0, 0 },
1604     { "ret", rv_codec_i, rv_fmt_none, NULL, 0, 0, 0 },
1605     { "jr", rv_codec_i, rv_fmt_rs1, NULL, 0, 0, 0 },
1606     { "rdcycle", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1607     { "rdtime", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1608     { "rdinstret", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1609     { "rdcycleh", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1610     { "rdtimeh", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1611     { "rdinstreth", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1612     { "frcsr", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1613     { "frrm", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1614     { "frflags", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1615     { "fscsr", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1616     { "fsrm", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1617     { "fsflags", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1618     { "fsrmi", rv_codec_i_csr, rv_fmt_rd_zimm, NULL, 0, 0, 0 },
1619     { "fsflagsi", rv_codec_i_csr, rv_fmt_rd_zimm, NULL, 0, 0, 0 },
1620     { "bseti", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1621     { "bclri", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1622     { "binvi", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1623     { "bexti", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1624     { "rori", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1625     { "clz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1626     { "ctz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1627     { "cpop", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1628     { "sext.h", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1629     { "sext.b", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1630     { "xnor", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1631     { "orn", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1632     { "andn", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1633     { "rol", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1634     { "ror", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1635     { "sh1add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1636     { "sh2add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1637     { "sh3add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1638     { "sh1add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1639     { "sh2add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1640     { "sh3add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1641     { "clmul", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1642     { "clmulr", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1643     { "clmulh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1644     { "min", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1645     { "minu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1646     { "max", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1647     { "maxu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1648     { "clzw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1649     { "ctzw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1650     { "cpopw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1651     { "slli.uw", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1652     { "add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1653     { "rolw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1654     { "rorw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1655     { "rev8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1656     { "zext.h", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1657     { "roriw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1658     { "orc.b", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1659     { "bset", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1660     { "bclr", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1661     { "binv", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1662     { "bext", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1663     { "aes32esmi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1664     { "aes32esi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1665     { "aes32dsmi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1666     { "aes32dsi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1667     { "aes64ks1i", rv_codec_k_rnum,  rv_fmt_rd_rs1_rnum, NULL, 0, 0, 0 },
1668     { "aes64ks2", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1669     { "aes64im", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1670     { "aes64esm", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1671     { "aes64es", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1672     { "aes64dsm", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1673     { "aes64ds", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1674     { "sha256sig0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1675     { "sha256sig1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1676     { "sha256sum0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1677     { "sha256sum1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1678     { "sha512sig0", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1679     { "sha512sig1", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1680     { "sha512sum0", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1681     { "sha512sum1", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1682     { "sha512sum0r", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1683     { "sha512sum1r", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1684     { "sha512sig0l", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1685     { "sha512sig0h", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1686     { "sha512sig1l", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1687     { "sha512sig1h", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1688     { "sm3p0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1689     { "sm3p1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1690     { "sm4ed", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1691     { "sm4ks", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1692     { "brev8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1693     { "pack", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1694     { "packh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1695     { "packw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1696     { "unzip", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1697     { "zip", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1698     { "xperm4", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1699     { "xperm8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1700     { "vle8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vle8_v, rv_op_vle8_v, 0 },
1701     { "vle16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vle16_v, rv_op_vle16_v, 0 },
1702     { "vle32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vle32_v, rv_op_vle32_v, 0 },
1703     { "vle64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vle64_v, rv_op_vle64_v, 0 },
1704     { "vse8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vse8_v, rv_op_vse8_v, 0 },
1705     { "vse16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vse16_v, rv_op_vse16_v, 0 },
1706     { "vse32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vse32_v, rv_op_vse32_v, 0 },
1707     { "vse64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vse64_v, rv_op_vse64_v, 0 },
1708     { "vlm.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vlm_v, rv_op_vlm_v, 0 },
1709     { "vsm.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vsm_v, rv_op_vsm_v, 0 },
1710     { "vlse8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, rv_op_vlse8_v, rv_op_vlse8_v, 0 },
1711     { "vlse16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, rv_op_vlse16_v, rv_op_vlse16_v, 0 },
1712     { "vlse32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, rv_op_vlse32_v, rv_op_vlse32_v, 0 },
1713     { "vlse64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, rv_op_vlse64_v, rv_op_vlse64_v, 0 },
1714     { "vsse8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, rv_op_vsse8_v, rv_op_vsse8_v, 0 },
1715     { "vsse16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, rv_op_vsse16_v, rv_op_vsse16_v, 0 },
1716     { "vsse32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, rv_op_vsse32_v, rv_op_vsse32_v, 0 },
1717     { "vsse64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, rv_op_vsse64_v, rv_op_vsse64_v, 0 },
1718     { "vluxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vluxei8_v, rv_op_vluxei8_v, 0 },
1719     { "vluxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vluxei16_v, rv_op_vluxei16_v, 0 },
1720     { "vluxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vluxei32_v, rv_op_vluxei32_v, 0 },
1721     { "vluxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vluxei64_v, rv_op_vluxei64_v, 0 },
1722     { "vloxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vloxei8_v, rv_op_vloxei8_v, 0 },
1723     { "vloxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vloxei16_v, rv_op_vloxei16_v, 0 },
1724     { "vloxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vloxei32_v, rv_op_vloxei32_v, 0 },
1725     { "vloxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vloxei64_v, rv_op_vloxei64_v, 0 },
1726     { "vsuxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vsuxei8_v, rv_op_vsuxei8_v, 0 },
1727     { "vsuxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vsuxei16_v, rv_op_vsuxei16_v, 0 },
1728     { "vsuxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vsuxei32_v, rv_op_vsuxei32_v, 0 },
1729     { "vsuxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vsuxei64_v, rv_op_vsuxei64_v, 0 },
1730     { "vsoxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vsoxei8_v, rv_op_vsoxei8_v, 0 },
1731     { "vsoxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vsoxei16_v, rv_op_vsoxei16_v, 0 },
1732     { "vsoxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vsoxei32_v, rv_op_vsoxei32_v, 0 },
1733     { "vsoxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, rv_op_vsoxei64_v, rv_op_vsoxei64_v, 0 },
1734     { "vle8ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vle8ff_v, rv_op_vle8ff_v, 0 },
1735     { "vle16ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vle16ff_v, rv_op_vle16ff_v, 0 },
1736     { "vle32ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vle32ff_v, rv_op_vle32ff_v, 0 },
1737     { "vle64ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vle64ff_v, rv_op_vle64ff_v, 0 },
1738     { "vl1re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl1re8_v, rv_op_vl1re8_v, 0 },
1739     { "vl1re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl1re16_v, rv_op_vl1re16_v, 0 },
1740     { "vl1re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl1re32_v, rv_op_vl1re32_v, 0 },
1741     { "vl1re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl1re64_v, rv_op_vl1re64_v, 0 },
1742     { "vl2re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl2re8_v, rv_op_vl2re8_v, 0 },
1743     { "vl2re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl2re16_v, rv_op_vl2re16_v, 0 },
1744     { "vl2re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl2re32_v, rv_op_vl2re32_v, 0 },
1745     { "vl2re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl2re64_v, rv_op_vl2re64_v, 0 },
1746     { "vl4re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl4re8_v, rv_op_vl4re8_v, 0 },
1747     { "vl4re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl4re16_v, rv_op_vl4re16_v, 0 },
1748     { "vl4re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl4re32_v, rv_op_vl4re32_v, 0 },
1749     { "vl4re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl4re64_v, rv_op_vl4re64_v, 0 },
1750     { "vl8re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl8re8_v, rv_op_vl8re8_v, 0 },
1751     { "vl8re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl8re16_v, rv_op_vl8re16_v, 0 },
1752     { "vl8re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl8re32_v, rv_op_vl8re32_v, 0 },
1753     { "vl8re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vl8re64_v, rv_op_vl8re64_v, 0 },
1754     { "vs1r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vs1r_v, rv_op_vs1r_v, 0 },
1755     { "vs2r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vs2r_v, rv_op_vs2r_v, 0 },
1756     { "vs4r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vs4r_v, rv_op_vs4r_v, 0 },
1757     { "vs8r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, rv_op_vs8r_v, rv_op_vs8r_v, 0 },
1758     { "vadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vadd_vv, rv_op_vadd_vv, 0 },
1759     { "vadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vadd_vx, rv_op_vadd_vx, 0 },
1760     { "vadd.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vadd_vi, rv_op_vadd_vi, 0 },
1761     { "vsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vsub_vv, rv_op_vsub_vv, 0 },
1762     { "vsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vsub_vx, rv_op_vsub_vx, 0 },
1763     { "vrsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vrsub_vx, rv_op_vrsub_vx, 0 },
1764     { "vrsub.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vrsub_vi, rv_op_vrsub_vi, 0 },
1765     { "vwaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwaddu_vv, rv_op_vwaddu_vv, 0 },
1766     { "vwaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vwaddu_vx, rv_op_vwaddu_vx, 0 },
1767     { "vwadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwadd_vv, rv_op_vwadd_vv, 0 },
1768     { "vwadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vwadd_vx, rv_op_vwadd_vx, 0 },
1769     { "vwsubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwsubu_vv, rv_op_vwsubu_vv, 0 },
1770     { "vwsubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vwsubu_vx, rv_op_vwsubu_vx, 0 },
1771     { "vwsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwsub_vv, rv_op_vwsub_vv, 0 },
1772     { "vwsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vwsub_vx, rv_op_vwsub_vx, 0 },
1773     { "vwaddu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwaddu_wv, rv_op_vwaddu_wv, 0 },
1774     { "vwaddu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vwaddu_wx, rv_op_vwaddu_wx, 0 },
1775     { "vwadd.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwadd_wv, rv_op_vwadd_wv, 0 },
1776     { "vwadd.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vwadd_wx, rv_op_vwadd_wx, 0 },
1777     { "vwsubu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwsubu_wv, rv_op_vwsubu_wv, 0 },
1778     { "vwsubu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vwsubu_wx, rv_op_vwsubu_wx, 0 },
1779     { "vwsub.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwsub_wv, rv_op_vwsub_wv, 0 },
1780     { "vwsub.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vwsub_wx, rv_op_vwsub_wx, 0 },
1781     { "vadc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, rv_op_vadc_vvm, rv_op_vadc_vvm, 0 },
1782     { "vadc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, rv_op_vadc_vxm, rv_op_vadc_vxm, 0 },
1783     { "vadc.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, rv_op_vadc_vim, rv_op_vadc_vim, 0 },
1784     { "vmadc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, rv_op_vmadc_vvm, rv_op_vmadc_vvm, 0 },
1785     { "vmadc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, rv_op_vmadc_vxm, rv_op_vmadc_vxm, 0 },
1786     { "vmadc.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, rv_op_vmadc_vim, rv_op_vmadc_vim, 0 },
1787     { "vsbc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, rv_op_vsbc_vvm, rv_op_vsbc_vvm, 0 },
1788     { "vsbc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, rv_op_vsbc_vxm, rv_op_vsbc_vxm, 0 },
1789     { "vmsbc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, rv_op_vmsbc_vvm, rv_op_vmsbc_vvm, 0 },
1790     { "vmsbc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, rv_op_vmsbc_vxm, rv_op_vmsbc_vxm, 0 },
1791     { "vand.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vand_vv, rv_op_vand_vv, 0 },
1792     { "vand.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vand_vx, rv_op_vand_vx, 0 },
1793     { "vand.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vand_vi, rv_op_vand_vi, 0 },
1794     { "vor.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vor_vv, rv_op_vor_vv, 0 },
1795     { "vor.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vor_vx, rv_op_vor_vx, 0 },
1796     { "vor.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vor_vi, rv_op_vor_vi, 0 },
1797     { "vxor.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vxor_vv, rv_op_vxor_vv, 0 },
1798     { "vxor.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vxor_vx, rv_op_vxor_vx, 0 },
1799     { "vxor.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vxor_vi, rv_op_vxor_vi, 0 },
1800     { "vsll.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vsll_vv, rv_op_vsll_vv, 0 },
1801     { "vsll.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vsll_vx, rv_op_vsll_vx, 0 },
1802     { "vsll.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vsll_vi, rv_op_vsll_vi, 0 },
1803     { "vsrl.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vsrl_vv, rv_op_vsrl_vv, 0 },
1804     { "vsrl.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vsrl_vx, rv_op_vsrl_vx, 0 },
1805     { "vsrl.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vsrl_vi, rv_op_vsrl_vi, 0 },
1806     { "vsra.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vsra_vv, rv_op_vsra_vv, 0 },
1807     { "vsra.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vsra_vx, rv_op_vsra_vx, 0 },
1808     { "vsra.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vsra_vi, rv_op_vsra_vi, 0 },
1809     { "vnsrl.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vnsrl_wv, rv_op_vnsrl_wv, 0 },
1810     { "vnsrl.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vnsrl_wx, rv_op_vnsrl_wx, 0 },
1811     { "vnsrl.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vnsrl_wi, rv_op_vnsrl_wi, 0 },
1812     { "vnsra.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vnsra_wv, rv_op_vnsra_wv, 0 },
1813     { "vnsra.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vnsra_wx, rv_op_vnsra_wx, 0 },
1814     { "vnsra.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vnsra_wi, rv_op_vnsra_wi, 0 },
1815     { "vmseq.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmseq_vv, rv_op_vmseq_vv, 0 },
1816     { "vmseq.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmseq_vx, rv_op_vmseq_vx, 0 },
1817     { "vmseq.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vmseq_vi, rv_op_vmseq_vi, 0 },
1818     { "vmsne.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmsne_vv, rv_op_vmsne_vv, 0 },
1819     { "vmsne.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmsne_vx, rv_op_vmsne_vx, 0 },
1820     { "vmsne.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vmsne_vi, rv_op_vmsne_vi, 0 },
1821     { "vmsltu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmsltu_vv, rv_op_vmsltu_vv, 0 },
1822     { "vmsltu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmsltu_vx, rv_op_vmsltu_vx, 0 },
1823     { "vmslt.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmslt_vv, rv_op_vmslt_vv, 0 },
1824     { "vmslt.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmslt_vx, rv_op_vmslt_vx, 0 },
1825     { "vmsleu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmsleu_vv, rv_op_vmsleu_vv, 0 },
1826     { "vmsleu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmsleu_vx, rv_op_vmsleu_vx, 0 },
1827     { "vmsleu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vmsleu_vi, rv_op_vmsleu_vi, 0 },
1828     { "vmsle.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmsle_vv, rv_op_vmsle_vv, 0 },
1829     { "vmsle.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmsle_vx, rv_op_vmsle_vx, 0 },
1830     { "vmsle.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vmsle_vi, rv_op_vmsle_vi, 0 },
1831     { "vmsgtu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmsgtu_vx, rv_op_vmsgtu_vx, 0 },
1832     { "vmsgtu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vmsgtu_vi, rv_op_vmsgtu_vi, 0 },
1833     { "vmsgt.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmsgt_vx, rv_op_vmsgt_vx, 0 },
1834     { "vmsgt.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vmsgt_vi, rv_op_vmsgt_vi, 0 },
1835     { "vminu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vminu_vv, rv_op_vminu_vv, 0 },
1836     { "vminu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vminu_vx, rv_op_vminu_vx, 0 },
1837     { "vmin.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmin_vv, rv_op_vmin_vv, 0 },
1838     { "vmin.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmin_vx, rv_op_vmin_vx, 0 },
1839     { "vmaxu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmaxu_vv, rv_op_vmaxu_vv, 0 },
1840     { "vmaxu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmaxu_vx, rv_op_vmaxu_vx, 0 },
1841     { "vmax.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmax_vv, rv_op_vmax_vv, 0 },
1842     { "vmax.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmax_vx, rv_op_vmax_vx, 0 },
1843     { "vmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmul_vv, rv_op_vmul_vv, 0 },
1844     { "vmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmul_vx, rv_op_vmul_vx, 0 },
1845     { "vmulh.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmulh_vv, rv_op_vmulh_vv, 0 },
1846     { "vmulh.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmulh_vx, rv_op_vmulh_vx, 0 },
1847     { "vmulhu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmulhu_vv, rv_op_vmulhu_vv, 0 },
1848     { "vmulhu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmulhu_vx, rv_op_vmulhu_vx, 0 },
1849     { "vmulhsu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmulhsu_vv, rv_op_vmulhsu_vv, 0 },
1850     { "vmulhsu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vmulhsu_vx, rv_op_vmulhsu_vx, 0 },
1851     { "vdivu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vdivu_vv, rv_op_vdivu_vv, 0 },
1852     { "vdivu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vdivu_vx, rv_op_vdivu_vx, 0 },
1853     { "vdiv.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vdiv_vv, rv_op_vdiv_vv, 0 },
1854     { "vdiv.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vdiv_vx, rv_op_vdiv_vx, 0 },
1855     { "vremu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vremu_vv, rv_op_vremu_vv, 0 },
1856     { "vremu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vremu_vx, rv_op_vremu_vx, 0 },
1857     { "vrem.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vrem_vv, rv_op_vrem_vv, 0 },
1858     { "vrem.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vrem_vx, rv_op_vrem_vx, 0 },
1859     { "vwmulu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwmulu_vv, rv_op_vwmulu_vv, 0 },
1860     { "vwmulu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vwmulu_vx, rv_op_vwmulu_vx, 0 },
1861     { "vwmulsu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwmulsu_vv, rv_op_vwmulsu_vv, 0 },
1862     { "vwmulsu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vwmulsu_vx, rv_op_vwmulsu_vx, 0 },
1863     { "vwmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwmul_vv, rv_op_vwmul_vv, 0 },
1864     { "vwmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vwmul_vx, rv_op_vwmul_vx, 0 },
1865     { "vmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vmacc_vv, rv_op_vmacc_vv, 0 },
1866     { "vmacc.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, rv_op_vmacc_vx, rv_op_vmacc_vx, 0 },
1867     { "vnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vnmsac_vv, rv_op_vnmsac_vv, 0 },
1868     { "vnmsac.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, rv_op_vnmsac_vx, rv_op_vnmsac_vx, 0 },
1869     { "vmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vmadd_vv, rv_op_vmadd_vv, 0 },
1870     { "vmadd.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, rv_op_vmadd_vx, rv_op_vmadd_vx, 0 },
1871     { "vnmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vnmsub_vv, rv_op_vnmsub_vv, 0 },
1872     { "vnmsub.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, rv_op_vnmsub_vx, rv_op_vnmsub_vx, 0 },
1873     { "vwmaccu.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vwmaccu_vv, rv_op_vwmaccu_vv, 0 },
1874     { "vwmaccu.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, rv_op_vwmaccu_vx, rv_op_vwmaccu_vx, 0 },
1875     { "vwmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vwmacc_vv, rv_op_vwmacc_vv, 0 },
1876     { "vwmacc.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, rv_op_vwmacc_vx, rv_op_vwmacc_vx, 0 },
1877     { "vwmaccsu.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vwmaccsu_vv, rv_op_vwmaccsu_vv, 0 },
1878     { "vwmaccsu.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, rv_op_vwmaccsu_vx, rv_op_vwmaccsu_vx, 0 },
1879     { "vwmaccus.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, rv_op_vwmaccus_vx, rv_op_vwmaccus_vx, 0 },
1880     { "vmv.v.v", rv_codec_v_r, rv_fmt_vd_vs1, NULL, rv_op_vmv_v_v, rv_op_vmv_v_v, 0 },
1881     { "vmv.v.x", rv_codec_v_r, rv_fmt_vd_rs1, NULL, rv_op_vmv_v_x, rv_op_vmv_v_x, 0 },
1882     { "vmv.v.i", rv_codec_v_i, rv_fmt_vd_imm, NULL, rv_op_vmv_v_i, rv_op_vmv_v_i, 0 },
1883     { "vmerge.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, rv_op_vmerge_vvm, rv_op_vmerge_vvm, 0 },
1884     { "vmerge.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, rv_op_vmerge_vxm, rv_op_vmerge_vxm, 0 },
1885     { "vmerge.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, rv_op_vmerge_vim, rv_op_vmerge_vim, 0 },
1886     { "vsaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vsaddu_vv, rv_op_vsaddu_vv, 0 },
1887     { "vsaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vsaddu_vx, rv_op_vsaddu_vx, 0 },
1888     { "vsaddu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vsaddu_vi, rv_op_vsaddu_vi, 0 },
1889     { "vsadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vsadd_vv, rv_op_vsadd_vv, 0 },
1890     { "vsadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vsadd_vx, rv_op_vsadd_vx, 0 },
1891     { "vsadd.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, rv_op_vsadd_vi, rv_op_vsadd_vi, 0 },
1892     { "vssubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vssubu_vv, rv_op_vssubu_vv, 0 },
1893     { "vssubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vssubu_vx, rv_op_vssubu_vx, 0 },
1894     { "vssub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vssub_vv, rv_op_vssub_vv, 0 },
1895     { "vssub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vssub_vx, rv_op_vssub_vx, 0 },
1896     { "vaadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vaadd_vv, rv_op_vaadd_vv, 0 },
1897     { "vaadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vaadd_vx, rv_op_vaadd_vx, 0 },
1898     { "vaaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vaaddu_vv, rv_op_vaaddu_vv, 0 },
1899     { "vaaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vaaddu_vx, rv_op_vaaddu_vx, 0 },
1900     { "vasub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vasub_vv, rv_op_vasub_vv, 0 },
1901     { "vasub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vasub_vx, rv_op_vasub_vx, 0 },
1902     { "vasubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vasubu_vv, rv_op_vasubu_vv, 0 },
1903     { "vasubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vasubu_vx, rv_op_vasubu_vx, 0 },
1904     { "vsmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vsmul_vv, rv_op_vsmul_vv, 0 },
1905     { "vsmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vsmul_vx, rv_op_vsmul_vx, 0 },
1906     { "vssrl.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vssrl_vv, rv_op_vssrl_vv, 0 },
1907     { "vssrl.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vssrl_vx, rv_op_vssrl_vx, 0 },
1908     { "vssrl.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vssrl_vi, rv_op_vssrl_vi, 0 },
1909     { "vssra.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vssra_vv, rv_op_vssra_vv, 0 },
1910     { "vssra.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vssra_vx, rv_op_vssra_vx, 0 },
1911     { "vssra.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vssra_vi, rv_op_vssra_vi, 0 },
1912     { "vnclipu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vnclipu_wv, rv_op_vnclipu_wv, 0 },
1913     { "vnclipu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vnclipu_wx, rv_op_vnclipu_wx, 0 },
1914     { "vnclipu.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vnclipu_wi, rv_op_vnclipu_wi, 0 },
1915     { "vnclip.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vnclip_wv, rv_op_vnclip_wv, 0 },
1916     { "vnclip.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vnclip_wx, rv_op_vnclip_wx, 0 },
1917     { "vnclip.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vnclip_wi, rv_op_vnclip_wi, 0 },
1918     { "vfadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfadd_vv, rv_op_vfadd_vv, 0 },
1919     { "vfadd.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfadd_vf, rv_op_vfadd_vf, 0 },
1920     { "vfsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfsub_vv, rv_op_vfsub_vv, 0 },
1921     { "vfsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfsub_vf, rv_op_vfsub_vf, 0 },
1922     { "vfrsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfrsub_vf, rv_op_vfrsub_vf, 0 },
1923     { "vfwadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfwadd_vv, rv_op_vfwadd_vv, 0 },
1924     { "vfwadd.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfwadd_vf, rv_op_vfwadd_vf, 0 },
1925     { "vfwadd.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfwadd_wv, rv_op_vfwadd_wv, 0 },
1926     { "vfwadd.wf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfwadd_wf, rv_op_vfwadd_wf, 0 },
1927     { "vfwsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfwsub_vv, rv_op_vfwsub_vv, 0 },
1928     { "vfwsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfwsub_vf, rv_op_vfwsub_vf, 0 },
1929     { "vfwsub.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfwsub_wv, rv_op_vfwsub_wv, 0 },
1930     { "vfwsub.wf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfwsub_wf, rv_op_vfwsub_wf, 0 },
1931     { "vfmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfmul_vv, rv_op_vfmul_vv, 0 },
1932     { "vfmul.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfmul_vf, rv_op_vfmul_vf, 0 },
1933     { "vfdiv.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfdiv_vv, rv_op_vfdiv_vv, 0 },
1934     { "vfdiv.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfdiv_vf, rv_op_vfdiv_vf, 0 },
1935     { "vfrdiv.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfrdiv_vf, rv_op_vfrdiv_vf, 0 },
1936     { "vfwmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfwmul_vv, rv_op_vfwmul_vv, 0 },
1937     { "vfwmul.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfwmul_vf, rv_op_vfwmul_vf, 0 },
1938     { "vfmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfmacc_vv, rv_op_vfmacc_vv, 0 },
1939     { "vfmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfmacc_vf, rv_op_vfmacc_vf, 0 },
1940     { "vfnmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfnmacc_vv, rv_op_vfnmacc_vv, 0 },
1941     { "vfnmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfnmacc_vf, rv_op_vfnmacc_vf, 0 },
1942     { "vfmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfmsac_vv, rv_op_vfmsac_vv, 0 },
1943     { "vfmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfmsac_vf, rv_op_vfmsac_vf, 0 },
1944     { "vfnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfnmsac_vv, rv_op_vfnmsac_vv, 0 },
1945     { "vfnmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfnmsac_vf, rv_op_vfnmsac_vf, 0 },
1946     { "vfmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfmadd_vv, rv_op_vfmadd_vv, 0 },
1947     { "vfmadd.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfmadd_vf, rv_op_vfmadd_vf, 0 },
1948     { "vfnmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfnmadd_vv, rv_op_vfnmadd_vv, 0 },
1949     { "vfnmadd.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfnmadd_vf, rv_op_vfnmadd_vf, 0 },
1950     { "vfmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfmsub_vv, rv_op_vfmsub_vv, 0 },
1951     { "vfmsub.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfmsub_vf, rv_op_vfmsub_vf, 0 },
1952     { "vfnmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfnmsub_vv, rv_op_vfnmsub_vv, 0 },
1953     { "vfnmsub.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfnmsub_vf, rv_op_vfnmsub_vf, 0 },
1954     { "vfwmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfwmacc_vv, rv_op_vfwmacc_vv, 0 },
1955     { "vfwmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfwmacc_vf, rv_op_vfwmacc_vf, 0 },
1956     { "vfwnmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfwnmacc_vv, rv_op_vfwnmacc_vv, 0 },
1957     { "vfwnmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfwnmacc_vf, rv_op_vfwnmacc_vf, 0 },
1958     { "vfwmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfwmsac_vv, rv_op_vfwmsac_vv, 0 },
1959     { "vfwmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfwmsac_vf, rv_op_vfwmsac_vf, 0 },
1960     { "vfwnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, rv_op_vfwnmsac_vv, rv_op_vfwnmsac_vv, 0 },
1961     { "vfwnmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, rv_op_vfwnmsac_vf, rv_op_vfwnmsac_vf, 0 },
1962     { "vfsqrt.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, rv_op_vfsqrt_v, rv_op_vfsqrt_v, 0 },
1963     { "vfrsqrt7.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, rv_op_vfrsqrt7_v, rv_op_vfrsqrt7_v, 0 },
1964     { "vfrec7.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, rv_op_vfrec7_v, rv_op_vfrec7_v, 0 },
1965     { "vfmin.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfmin_vv, rv_op_vfmin_vv, 0 },
1966     { "vfmin.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfmin_vf, rv_op_vfmin_vf, 0 },
1967     { "vfmax.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfmax_vv, rv_op_vfmax_vv, 0 },
1968     { "vfmax.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfmax_vf, rv_op_vfmax_vf, 0 },
1969     { "vfsgnj.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfsgnj_vv, rv_op_vfsgnj_vv, 0 },
1970     { "vfsgnj.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfsgnj_vf, rv_op_vfsgnj_vf, 0 },
1971     { "vfsgnjn.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfsgnjn_vv, rv_op_vfsgnjn_vv, 0 },
1972     { "vfsgnjn.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfsgnjn_vf, rv_op_vfsgnjn_vf, 0 },
1973     { "vfsgnjx.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfsgnjx_vv, rv_op_vfsgnjx_vv, 0 },
1974     { "vfsgnjx.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfsgnjx_vf, rv_op_vfsgnjx_vf, 0 },
1975     { "vfslide1up.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfslide1up_vf, rv_op_vfslide1up_vf, 0 },
1976     { "vfslide1down.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vfslide1down_vf, rv_op_vfslide1down_vf, 0 },
1977     { "vmfeq.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmfeq_vv, rv_op_vmfeq_vv, 0 },
1978     { "vmfeq.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vmfeq_vf, rv_op_vmfeq_vf, 0 },
1979     { "vmfne.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmfne_vv, rv_op_vmfne_vv, 0 },
1980     { "vmfne.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vmfne_vf, rv_op_vmfne_vf, 0 },
1981     { "vmflt.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmflt_vv, rv_op_vmflt_vv, 0 },
1982     { "vmflt.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vmflt_vf, rv_op_vmflt_vf, 0 },
1983     { "vmfle.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmfle_vv, rv_op_vmfle_vv, 0 },
1984     { "vmfle.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vmfle_vf, rv_op_vmfle_vf, 0 },
1985     { "vmfgt.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vmfgt_vf, rv_op_vmfgt_vf, 0 },
1986     { "vmfge.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, rv_op_vmfge_vf, rv_op_vmfge_vf, 0 },
1987     { "vfclass.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfclass_v, rv_op_vfclass_v, 0 },
1988     { "vfmerge.vfm", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vl, NULL, rv_op_vfmerge_vfm, rv_op_vfmerge_vfm, 0 },
1989     { "vfmv.v.f", rv_codec_v_r, rv_fmt_vd_fs1, NULL, rv_op_vfmv_v_f, rv_op_vfmv_v_f, 0 },
1990     { "vfcvt.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfcvt_xu_f_v, rv_op_vfcvt_xu_f_v, 0 },
1991     { "vfcvt.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfcvt_x_f_v, rv_op_vfcvt_x_f_v, 0 },
1992     { "vfcvt.f.xu.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfcvt_f_xu_v, rv_op_vfcvt_f_xu_v, 0 },
1993     { "vfcvt.f.x.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfcvt_f_x_v, rv_op_vfcvt_f_x_v, 0 },
1994     { "vfcvt.rtz.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfcvt_rtz_xu_f_v, rv_op_vfcvt_rtz_xu_f_v, 0 },
1995     { "vfcvt.rtz.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfcvt_rtz_x_f_v, rv_op_vfcvt_rtz_x_f_v, 0 },
1996     { "vfwcvt.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfwcvt_xu_f_v, rv_op_vfwcvt_xu_f_v, 0 },
1997     { "vfwcvt.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfwcvt_x_f_v, rv_op_vfwcvt_x_f_v, 0 },
1998     { "vfwcvt.f.xu.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfwcvt_f_xu_v, rv_op_vfwcvt_f_xu_v, 0 },
1999     { "vfwcvt.f.x.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfwcvt_f_x_v, rv_op_vfwcvt_f_x_v, 0 },
2000     { "vfwcvt.f.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfwcvt_f_f_v, rv_op_vfwcvt_f_f_v, 0 },
2001     { "vfwcvt.rtz.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfwcvt_rtz_xu_f_v, rv_op_vfwcvt_rtz_xu_f_v, 0 },
2002     { "vfwcvt.rtz.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfwcvt_rtz_x_f_v, rv_op_vfwcvt_rtz_x_f_v, 0 },
2003     { "vfncvt.xu.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfncvt_xu_f_w, rv_op_vfncvt_xu_f_w, 0 },
2004     { "vfncvt.x.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfncvt_x_f_w, rv_op_vfncvt_x_f_w, 0 },
2005     { "vfncvt.f.xu.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfncvt_f_xu_w, rv_op_vfncvt_f_xu_w, 0 },
2006     { "vfncvt.f.x.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfncvt_f_x_w, rv_op_vfncvt_f_x_w, 0 },
2007     { "vfncvt.f.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfncvt_f_f_w, rv_op_vfncvt_f_f_w, 0 },
2008     { "vfncvt.rod.f.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfncvt_rod_f_f_w, rv_op_vfncvt_rod_f_f_w, 0 },
2009     { "vfncvt.rtz.xu.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfncvt_rtz_xu_f_w, rv_op_vfncvt_rtz_xu_f_w, 0 },
2010     { "vfncvt.rtz.x.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vfncvt_rtz_x_f_w, rv_op_vfncvt_rtz_x_f_w, 0 },
2011     { "vredsum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vredsum_vs, rv_op_vredsum_vs, 0 },
2012     { "vredand.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vredand_vs, rv_op_vredand_vs, 0 },
2013     { "vredor.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vredor_vs, rv_op_vredor_vs, 0 },
2014     { "vredxor.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vredxor_vs, rv_op_vredxor_vs, 0 },
2015     { "vredminu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vredminu_vs, rv_op_vredminu_vs, 0 },
2016     { "vredmin.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vredmin_vs, rv_op_vredmin_vs, 0 },
2017     { "vredmaxu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vredmaxu_vs, rv_op_vredmaxu_vs, 0 },
2018     { "vredmax.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vredmax_vs, rv_op_vredmax_vs, 0 },
2019     { "vwredsumu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwredsumu_vs, rv_op_vwredsumu_vs, 0 },
2020     { "vwredsum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vwredsum_vs, rv_op_vwredsum_vs, 0 },
2021     { "vfredusum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfredusum_vs, rv_op_vfredusum_vs, 0 },
2022     { "vfredosum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfredosum_vs, rv_op_vfredosum_vs, 0 },
2023     { "vfredmin.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfredmin_vs, rv_op_vfredmin_vs, 0 },
2024     { "vfredmax.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfredmax_vs, rv_op_vfredmax_vs, 0 },
2025     { "vfwredusum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfwredusum_vs, rv_op_vfwredusum_vs, 0 },
2026     { "vfwredosum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vfwredosum_vs, rv_op_vfwredosum_vs, 0 },
2027     { "vmand.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmand_mm, rv_op_vmand_mm, 0 },
2028     { "vmnand.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmnand_mm, rv_op_vmnand_mm, 0 },
2029     { "vmandn.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmandn_mm, rv_op_vmandn_mm, 0 },
2030     { "vmxor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmxor_mm, rv_op_vmxor_mm, 0 },
2031     { "vmor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmor_mm, rv_op_vmor_mm, 0 },
2032     { "vmnor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmnor_mm, rv_op_vmnor_mm, 0 },
2033     { "vmorn.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmorn_mm, rv_op_vmorn_mm, 0 },
2034     { "vmxnor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vmxnor_mm, rv_op_vmxnor_mm, 0 },
2035     { "vcpop.m", rv_codec_v_r, rv_fmt_rd_vs2_vm, NULL, rv_op_vcpop_m, rv_op_vcpop_m, 0 },
2036     { "vfirst.m", rv_codec_v_r, rv_fmt_rd_vs2_vm, NULL, rv_op_vfirst_m, rv_op_vfirst_m, 0 },
2037     { "vmsbf.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vmsbf_m, rv_op_vmsbf_m, 0 },
2038     { "vmsif.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vmsif_m, rv_op_vmsif_m, 0 },
2039     { "vmsof.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vmsof_m, rv_op_vmsof_m, 0 },
2040     { "viota.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_viota_m, rv_op_viota_m, 0 },
2041     { "vid.v", rv_codec_v_r, rv_fmt_vd_vm, NULL, rv_op_vid_v, rv_op_vid_v, 0 },
2042     { "vmv.x.s", rv_codec_v_r, rv_fmt_rd_vs2, NULL, rv_op_vmv_x_s, rv_op_vmv_x_s, 0 },
2043     { "vmv.s.x", rv_codec_v_r, rv_fmt_vd_rs1, NULL, rv_op_vmv_s_x, rv_op_vmv_s_x, 0 },
2044     { "vfmv.f.s", rv_codec_v_r, rv_fmt_fd_vs2, NULL, rv_op_vfmv_f_s, rv_op_vfmv_f_s, 0 },
2045     { "vfmv.s.f", rv_codec_v_r, rv_fmt_vd_fs1, NULL, rv_op_vfmv_s_f, rv_op_vfmv_s_f, 0 },
2046     { "vslideup.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vslideup_vx, rv_op_vslideup_vx, 0 },
2047     { "vslideup.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vslideup_vi, rv_op_vslideup_vi, 0 },
2048     { "vslide1up.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vslide1up_vx, rv_op_vslide1up_vx, 0 },
2049     { "vslidedown.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vslidedown_vx, rv_op_vslidedown_vx, 0 },
2050     { "vslidedown.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vslidedown_vi, rv_op_vslidedown_vi, 0 },
2051     { "vslide1down.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vslide1down_vx, rv_op_vslide1down_vx, 0 },
2052     { "vrgather.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vrgather_vv, rv_op_vrgather_vv, 0 },
2053     { "vrgatherei16.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, rv_op_vrgatherei16_vv, rv_op_vrgatherei16_vv, 0 },
2054     { "vrgather.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, rv_op_vrgather_vx, rv_op_vrgather_vx, 0 },
2055     { "vrgather.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, rv_op_vrgather_vi, rv_op_vrgather_vi, 0 },
2056     { "vcompress.vm", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, rv_op_vcompress_vm, rv_op_vcompress_vm, 0 },
2057     { "vmv1r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, rv_op_vmv1r_v, rv_op_vmv1r_v, 0 },
2058     { "vmv2r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, rv_op_vmv2r_v, rv_op_vmv2r_v, 0 },
2059     { "vmv4r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, rv_op_vmv4r_v, rv_op_vmv4r_v, 0 },
2060     { "vmv8r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, rv_op_vmv8r_v, rv_op_vmv8r_v, 0 },
2061     { "vzext.vf2", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vzext_vf2, rv_op_vzext_vf2, 0 },
2062     { "vzext.vf4", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vzext_vf4, rv_op_vzext_vf4, 0 },
2063     { "vzext.vf8", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vzext_vf8, rv_op_vzext_vf8, 0 },
2064     { "vsext.vf2", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vsext_vf2, rv_op_vsext_vf2, 0 },
2065     { "vsext.vf4", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vsext_vf4, rv_op_vsext_vf4, 0 },
2066     { "vsext.vf8", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, rv_op_vsext_vf8, rv_op_vsext_vf8, 0 },
2067     { "vsetvli", rv_codec_vsetvli, rv_fmt_vsetvli, NULL, rv_op_vsetvli, rv_op_vsetvli, 0 },
2068     { "vsetivli", rv_codec_vsetivli, rv_fmt_vsetivli, NULL, rv_op_vsetivli, rv_op_vsetivli, 0 },
2069     { "vsetvl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, rv_op_vsetvl, rv_op_vsetvl, 0 }
2070 };
2071 
2072 /* CSR names */
2073 
2074 static const char *csr_name(int csrno)
2075 {
2076     switch (csrno) {
2077     case 0x0000: return "ustatus";
2078     case 0x0001: return "fflags";
2079     case 0x0002: return "frm";
2080     case 0x0003: return "fcsr";
2081     case 0x0004: return "uie";
2082     case 0x0005: return "utvec";
2083     case 0x0008: return "vstart";
2084     case 0x0009: return "vxsat";
2085     case 0x000a: return "vxrm";
2086     case 0x000f: return "vcsr";
2087     case 0x0015: return "seed";
2088     case 0x0040: return "uscratch";
2089     case 0x0041: return "uepc";
2090     case 0x0042: return "ucause";
2091     case 0x0043: return "utval";
2092     case 0x0044: return "uip";
2093     case 0x0100: return "sstatus";
2094     case 0x0104: return "sie";
2095     case 0x0105: return "stvec";
2096     case 0x0106: return "scounteren";
2097     case 0x0140: return "sscratch";
2098     case 0x0141: return "sepc";
2099     case 0x0142: return "scause";
2100     case 0x0143: return "stval";
2101     case 0x0144: return "sip";
2102     case 0x0180: return "satp";
2103     case 0x0200: return "hstatus";
2104     case 0x0202: return "hedeleg";
2105     case 0x0203: return "hideleg";
2106     case 0x0204: return "hie";
2107     case 0x0205: return "htvec";
2108     case 0x0240: return "hscratch";
2109     case 0x0241: return "hepc";
2110     case 0x0242: return "hcause";
2111     case 0x0243: return "hbadaddr";
2112     case 0x0244: return "hip";
2113     case 0x0300: return "mstatus";
2114     case 0x0301: return "misa";
2115     case 0x0302: return "medeleg";
2116     case 0x0303: return "mideleg";
2117     case 0x0304: return "mie";
2118     case 0x0305: return "mtvec";
2119     case 0x0306: return "mcounteren";
2120     case 0x0320: return "mucounteren";
2121     case 0x0321: return "mscounteren";
2122     case 0x0322: return "mhcounteren";
2123     case 0x0323: return "mhpmevent3";
2124     case 0x0324: return "mhpmevent4";
2125     case 0x0325: return "mhpmevent5";
2126     case 0x0326: return "mhpmevent6";
2127     case 0x0327: return "mhpmevent7";
2128     case 0x0328: return "mhpmevent8";
2129     case 0x0329: return "mhpmevent9";
2130     case 0x032a: return "mhpmevent10";
2131     case 0x032b: return "mhpmevent11";
2132     case 0x032c: return "mhpmevent12";
2133     case 0x032d: return "mhpmevent13";
2134     case 0x032e: return "mhpmevent14";
2135     case 0x032f: return "mhpmevent15";
2136     case 0x0330: return "mhpmevent16";
2137     case 0x0331: return "mhpmevent17";
2138     case 0x0332: return "mhpmevent18";
2139     case 0x0333: return "mhpmevent19";
2140     case 0x0334: return "mhpmevent20";
2141     case 0x0335: return "mhpmevent21";
2142     case 0x0336: return "mhpmevent22";
2143     case 0x0337: return "mhpmevent23";
2144     case 0x0338: return "mhpmevent24";
2145     case 0x0339: return "mhpmevent25";
2146     case 0x033a: return "mhpmevent26";
2147     case 0x033b: return "mhpmevent27";
2148     case 0x033c: return "mhpmevent28";
2149     case 0x033d: return "mhpmevent29";
2150     case 0x033e: return "mhpmevent30";
2151     case 0x033f: return "mhpmevent31";
2152     case 0x0340: return "mscratch";
2153     case 0x0341: return "mepc";
2154     case 0x0342: return "mcause";
2155     case 0x0343: return "mtval";
2156     case 0x0344: return "mip";
2157     case 0x0380: return "mbase";
2158     case 0x0381: return "mbound";
2159     case 0x0382: return "mibase";
2160     case 0x0383: return "mibound";
2161     case 0x0384: return "mdbase";
2162     case 0x0385: return "mdbound";
2163     case 0x03a0: return "pmpcfg3";
2164     case 0x03b0: return "pmpaddr0";
2165     case 0x03b1: return "pmpaddr1";
2166     case 0x03b2: return "pmpaddr2";
2167     case 0x03b3: return "pmpaddr3";
2168     case 0x03b4: return "pmpaddr4";
2169     case 0x03b5: return "pmpaddr5";
2170     case 0x03b6: return "pmpaddr6";
2171     case 0x03b7: return "pmpaddr7";
2172     case 0x03b8: return "pmpaddr8";
2173     case 0x03b9: return "pmpaddr9";
2174     case 0x03ba: return "pmpaddr10";
2175     case 0x03bb: return "pmpaddr11";
2176     case 0x03bc: return "pmpaddr12";
2177     case 0x03bd: return "pmpaddr14";
2178     case 0x03be: return "pmpaddr13";
2179     case 0x03bf: return "pmpaddr15";
2180     case 0x0780: return "mtohost";
2181     case 0x0781: return "mfromhost";
2182     case 0x0782: return "mreset";
2183     case 0x0783: return "mipi";
2184     case 0x0784: return "miobase";
2185     case 0x07a0: return "tselect";
2186     case 0x07a1: return "tdata1";
2187     case 0x07a2: return "tdata2";
2188     case 0x07a3: return "tdata3";
2189     case 0x07b0: return "dcsr";
2190     case 0x07b1: return "dpc";
2191     case 0x07b2: return "dscratch";
2192     case 0x0b00: return "mcycle";
2193     case 0x0b01: return "mtime";
2194     case 0x0b02: return "minstret";
2195     case 0x0b03: return "mhpmcounter3";
2196     case 0x0b04: return "mhpmcounter4";
2197     case 0x0b05: return "mhpmcounter5";
2198     case 0x0b06: return "mhpmcounter6";
2199     case 0x0b07: return "mhpmcounter7";
2200     case 0x0b08: return "mhpmcounter8";
2201     case 0x0b09: return "mhpmcounter9";
2202     case 0x0b0a: return "mhpmcounter10";
2203     case 0x0b0b: return "mhpmcounter11";
2204     case 0x0b0c: return "mhpmcounter12";
2205     case 0x0b0d: return "mhpmcounter13";
2206     case 0x0b0e: return "mhpmcounter14";
2207     case 0x0b0f: return "mhpmcounter15";
2208     case 0x0b10: return "mhpmcounter16";
2209     case 0x0b11: return "mhpmcounter17";
2210     case 0x0b12: return "mhpmcounter18";
2211     case 0x0b13: return "mhpmcounter19";
2212     case 0x0b14: return "mhpmcounter20";
2213     case 0x0b15: return "mhpmcounter21";
2214     case 0x0b16: return "mhpmcounter22";
2215     case 0x0b17: return "mhpmcounter23";
2216     case 0x0b18: return "mhpmcounter24";
2217     case 0x0b19: return "mhpmcounter25";
2218     case 0x0b1a: return "mhpmcounter26";
2219     case 0x0b1b: return "mhpmcounter27";
2220     case 0x0b1c: return "mhpmcounter28";
2221     case 0x0b1d: return "mhpmcounter29";
2222     case 0x0b1e: return "mhpmcounter30";
2223     case 0x0b1f: return "mhpmcounter31";
2224     case 0x0b80: return "mcycleh";
2225     case 0x0b81: return "mtimeh";
2226     case 0x0b82: return "minstreth";
2227     case 0x0b83: return "mhpmcounter3h";
2228     case 0x0b84: return "mhpmcounter4h";
2229     case 0x0b85: return "mhpmcounter5h";
2230     case 0x0b86: return "mhpmcounter6h";
2231     case 0x0b87: return "mhpmcounter7h";
2232     case 0x0b88: return "mhpmcounter8h";
2233     case 0x0b89: return "mhpmcounter9h";
2234     case 0x0b8a: return "mhpmcounter10h";
2235     case 0x0b8b: return "mhpmcounter11h";
2236     case 0x0b8c: return "mhpmcounter12h";
2237     case 0x0b8d: return "mhpmcounter13h";
2238     case 0x0b8e: return "mhpmcounter14h";
2239     case 0x0b8f: return "mhpmcounter15h";
2240     case 0x0b90: return "mhpmcounter16h";
2241     case 0x0b91: return "mhpmcounter17h";
2242     case 0x0b92: return "mhpmcounter18h";
2243     case 0x0b93: return "mhpmcounter19h";
2244     case 0x0b94: return "mhpmcounter20h";
2245     case 0x0b95: return "mhpmcounter21h";
2246     case 0x0b96: return "mhpmcounter22h";
2247     case 0x0b97: return "mhpmcounter23h";
2248     case 0x0b98: return "mhpmcounter24h";
2249     case 0x0b99: return "mhpmcounter25h";
2250     case 0x0b9a: return "mhpmcounter26h";
2251     case 0x0b9b: return "mhpmcounter27h";
2252     case 0x0b9c: return "mhpmcounter28h";
2253     case 0x0b9d: return "mhpmcounter29h";
2254     case 0x0b9e: return "mhpmcounter30h";
2255     case 0x0b9f: return "mhpmcounter31h";
2256     case 0x0c00: return "cycle";
2257     case 0x0c01: return "time";
2258     case 0x0c02: return "instret";
2259     case 0x0c20: return "vl";
2260     case 0x0c21: return "vtype";
2261     case 0x0c22: return "vlenb";
2262     case 0x0c80: return "cycleh";
2263     case 0x0c81: return "timeh";
2264     case 0x0c82: return "instreth";
2265     case 0x0d00: return "scycle";
2266     case 0x0d01: return "stime";
2267     case 0x0d02: return "sinstret";
2268     case 0x0d80: return "scycleh";
2269     case 0x0d81: return "stimeh";
2270     case 0x0d82: return "sinstreth";
2271     case 0x0e00: return "hcycle";
2272     case 0x0e01: return "htime";
2273     case 0x0e02: return "hinstret";
2274     case 0x0e80: return "hcycleh";
2275     case 0x0e81: return "htimeh";
2276     case 0x0e82: return "hinstreth";
2277     case 0x0f11: return "mvendorid";
2278     case 0x0f12: return "marchid";
2279     case 0x0f13: return "mimpid";
2280     case 0x0f14: return "mhartid";
2281     default: return NULL;
2282     }
2283 }
2284 
2285 /* decode opcode */
2286 
2287 static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
2288 {
2289     rv_inst inst = dec->inst;
2290     rv_opcode op = rv_op_illegal;
2291     switch (((inst >> 0) & 0b11)) {
2292     case 0:
2293         switch (((inst >> 13) & 0b111)) {
2294         case 0: op = rv_op_c_addi4spn; break;
2295         case 1:
2296             if (isa == rv128) {
2297                 op = rv_op_c_lq;
2298             } else {
2299                 op = rv_op_c_fld;
2300             }
2301             break;
2302         case 2: op = rv_op_c_lw; break;
2303         case 3:
2304             if (isa == rv32) {
2305                 op = rv_op_c_flw;
2306             } else {
2307                 op = rv_op_c_ld;
2308             }
2309             break;
2310         case 5:
2311             if (isa == rv128) {
2312                 op = rv_op_c_sq;
2313             } else {
2314                 op = rv_op_c_fsd;
2315             }
2316             break;
2317         case 6: op = rv_op_c_sw; break;
2318         case 7:
2319             if (isa == rv32) {
2320                 op = rv_op_c_fsw;
2321             } else {
2322                 op = rv_op_c_sd;
2323             }
2324             break;
2325         }
2326         break;
2327     case 1:
2328         switch (((inst >> 13) & 0b111)) {
2329         case 0:
2330             switch (((inst >> 2) & 0b11111111111)) {
2331             case 0: op = rv_op_c_nop; break;
2332             default: op = rv_op_c_addi; break;
2333             }
2334             break;
2335         case 1:
2336             if (isa == rv32) {
2337                 op = rv_op_c_jal;
2338             } else {
2339                 op = rv_op_c_addiw;
2340             }
2341             break;
2342         case 2: op = rv_op_c_li; break;
2343         case 3:
2344             switch (((inst >> 7) & 0b11111)) {
2345             case 2: op = rv_op_c_addi16sp; break;
2346             default: op = rv_op_c_lui; break;
2347             }
2348             break;
2349         case 4:
2350             switch (((inst >> 10) & 0b11)) {
2351             case 0:
2352                 op = rv_op_c_srli;
2353                 break;
2354             case 1:
2355                 op = rv_op_c_srai;
2356                 break;
2357             case 2: op = rv_op_c_andi; break;
2358             case 3:
2359                 switch (((inst >> 10) & 0b100) | ((inst >> 5) & 0b011)) {
2360                 case 0: op = rv_op_c_sub; break;
2361                 case 1: op = rv_op_c_xor; break;
2362                 case 2: op = rv_op_c_or; break;
2363                 case 3: op = rv_op_c_and; break;
2364                 case 4: op = rv_op_c_subw; break;
2365                 case 5: op = rv_op_c_addw; break;
2366                 }
2367                 break;
2368             }
2369             break;
2370         case 5: op = rv_op_c_j; break;
2371         case 6: op = rv_op_c_beqz; break;
2372         case 7: op = rv_op_c_bnez; break;
2373         }
2374         break;
2375     case 2:
2376         switch (((inst >> 13) & 0b111)) {
2377         case 0:
2378             op = rv_op_c_slli;
2379             break;
2380         case 1:
2381             if (isa == rv128) {
2382                 op = rv_op_c_lqsp;
2383             } else {
2384                 op = rv_op_c_fldsp;
2385             }
2386             break;
2387         case 2: op = rv_op_c_lwsp; break;
2388         case 3:
2389             if (isa == rv32) {
2390                 op = rv_op_c_flwsp;
2391             } else {
2392                 op = rv_op_c_ldsp;
2393             }
2394             break;
2395         case 4:
2396             switch (((inst >> 12) & 0b1)) {
2397             case 0:
2398                 switch (((inst >> 2) & 0b11111)) {
2399                 case 0: op = rv_op_c_jr; break;
2400                 default: op = rv_op_c_mv; break;
2401                 }
2402                 break;
2403             case 1:
2404                 switch (((inst >> 2) & 0b11111)) {
2405                 case 0:
2406                     switch (((inst >> 7) & 0b11111)) {
2407                     case 0: op = rv_op_c_ebreak; break;
2408                     default: op = rv_op_c_jalr; break;
2409                     }
2410                     break;
2411                 default: op = rv_op_c_add; break;
2412                 }
2413                 break;
2414             }
2415             break;
2416         case 5:
2417             if (isa == rv128) {
2418                 op = rv_op_c_sqsp;
2419             } else {
2420                 op = rv_op_c_fsdsp;
2421             }
2422             break;
2423         case 6: op = rv_op_c_swsp; break;
2424         case 7:
2425             if (isa == rv32) {
2426                 op = rv_op_c_fswsp;
2427             } else {
2428                 op = rv_op_c_sdsp;
2429             }
2430             break;
2431         }
2432         break;
2433     case 3:
2434         switch (((inst >> 2) & 0b11111)) {
2435         case 0:
2436             switch (((inst >> 12) & 0b111)) {
2437             case 0: op = rv_op_lb; break;
2438             case 1: op = rv_op_lh; break;
2439             case 2: op = rv_op_lw; break;
2440             case 3: op = rv_op_ld; break;
2441             case 4: op = rv_op_lbu; break;
2442             case 5: op = rv_op_lhu; break;
2443             case 6: op = rv_op_lwu; break;
2444             case 7: op = rv_op_ldu; break;
2445             }
2446             break;
2447         case 1:
2448             switch (((inst >> 12) & 0b111)) {
2449             case 0:
2450                 switch (((inst >> 20) & 0b111111111111)) {
2451                 case 40: op = rv_op_vl1re8_v; break;
2452                 case 552: op = rv_op_vl2re8_v; break;
2453                 case 1576: op = rv_op_vl4re8_v; break;
2454                 case 3624: op = rv_op_vl8re8_v; break;
2455                 }
2456                 switch (((inst >> 26) & 0b111)) {
2457                 case 0:
2458                     switch (((inst >> 20) & 0b11111)) {
2459                     case 0: op = rv_op_vle8_v; break;
2460                     case 11: op = rv_op_vlm_v; break;
2461                     case 16: op = rv_op_vle8ff_v; break;
2462                     }
2463                     break;
2464                 case 1: op = rv_op_vluxei8_v; break;
2465                 case 2: op = rv_op_vlse8_v; break;
2466                 case 3: op = rv_op_vloxei8_v; break;
2467                 }
2468                 break;
2469             case 2: op = rv_op_flw; break;
2470             case 3: op = rv_op_fld; break;
2471             case 4: op = rv_op_flq; break;
2472             case 5:
2473                 switch (((inst >> 20) & 0b111111111111)) {
2474                 case 40: op = rv_op_vl1re16_v; break;
2475                 case 552: op = rv_op_vl2re16_v; break;
2476                 case 1576: op = rv_op_vl4re16_v; break;
2477                 case 3624: op = rv_op_vl8re16_v; break;
2478                 }
2479                 switch (((inst >> 26) & 0b111)) {
2480                 case 0:
2481                     switch (((inst >> 20) & 0b11111)) {
2482                     case 0: op = rv_op_vle16_v; break;
2483                     case 16: op = rv_op_vle16ff_v; break;
2484                     }
2485                     break;
2486                 case 1: op = rv_op_vluxei16_v; break;
2487                 case 2: op = rv_op_vlse16_v; break;
2488                 case 3: op = rv_op_vloxei16_v; break;
2489                 }
2490                 break;
2491             case 6:
2492                 switch (((inst >> 20) & 0b111111111111)) {
2493                 case 40: op = rv_op_vl1re32_v; break;
2494                 case 552: op = rv_op_vl2re32_v; break;
2495                 case 1576: op = rv_op_vl4re32_v; break;
2496                 case 3624: op = rv_op_vl8re32_v; break;
2497                 }
2498                 switch (((inst >> 26) & 0b111)) {
2499                 case 0:
2500                     switch (((inst >> 20) & 0b11111)) {
2501                     case 0: op = rv_op_vle32_v; break;
2502                     case 16: op = rv_op_vle32ff_v; break;
2503                     }
2504                     break;
2505                 case 1: op = rv_op_vluxei32_v; break;
2506                 case 2: op = rv_op_vlse32_v; break;
2507                 case 3: op = rv_op_vloxei32_v; break;
2508                 }
2509                 break;
2510             case 7:
2511                 switch (((inst >> 20) & 0b111111111111)) {
2512                 case 40: op = rv_op_vl1re64_v; break;
2513                 case 552: op = rv_op_vl2re64_v; break;
2514                 case 1576: op = rv_op_vl4re64_v; break;
2515                 case 3624: op = rv_op_vl8re64_v; break;
2516                 }
2517                 switch (((inst >> 26) & 0b111)) {
2518                 case 0:
2519                     switch (((inst >> 20) & 0b11111)) {
2520                     case 0: op = rv_op_vle64_v; break;
2521                     case 16: op = rv_op_vle64ff_v; break;
2522                     }
2523                     break;
2524                 case 1: op = rv_op_vluxei64_v; break;
2525                 case 2: op = rv_op_vlse64_v; break;
2526                 case 3: op = rv_op_vloxei64_v; break;
2527                 }
2528                 break;
2529             }
2530             break;
2531         case 3:
2532             switch (((inst >> 12) & 0b111)) {
2533             case 0: op = rv_op_fence; break;
2534             case 1: op = rv_op_fence_i; break;
2535             case 2: op = rv_op_lq; break;
2536             }
2537             break;
2538         case 4:
2539             switch (((inst >> 12) & 0b111)) {
2540             case 0: op = rv_op_addi; break;
2541             case 1:
2542                 switch (((inst >> 27) & 0b11111)) {
2543                 case 0b00000: op = rv_op_slli; break;
2544                 case 0b00001:
2545                     switch (((inst >> 20) & 0b1111111)) {
2546                     case 0b0001111: op = rv_op_zip; break;
2547                     }
2548                     break;
2549                 case 0b00010:
2550                     switch (((inst >> 20) & 0b1111111)) {
2551                     case 0b0000000: op = rv_op_sha256sum0; break;
2552                     case 0b0000001: op = rv_op_sha256sum1; break;
2553                     case 0b0000010: op = rv_op_sha256sig0; break;
2554                     case 0b0000011: op = rv_op_sha256sig1; break;
2555                     case 0b0000100: op = rv_op_sha512sum0; break;
2556                     case 0b0000101: op = rv_op_sha512sum1; break;
2557                     case 0b0000110: op = rv_op_sha512sig0; break;
2558                     case 0b0000111: op = rv_op_sha512sig1; break;
2559                     case 0b0001000: op = rv_op_sm3p0; break;
2560                     case 0b0001001: op = rv_op_sm3p1; break;
2561                     }
2562                     break;
2563                 case 0b00101: op = rv_op_bseti; break;
2564                 case 0b00110:
2565                     switch (((inst >> 20) & 0b1111111)) {
2566                     case 0b0000000: op = rv_op_aes64im; break;
2567                     default:
2568                         if (((inst >> 24) & 0b0111) == 0b001) {
2569                             op = rv_op_aes64ks1i;
2570                         }
2571                         break;
2572                      }
2573                      break;
2574                 case 0b01001: op = rv_op_bclri; break;
2575                 case 0b01101: op = rv_op_binvi; break;
2576                 case 0b01100:
2577                     switch (((inst >> 20) & 0b1111111)) {
2578                     case 0b0000000: op = rv_op_clz; break;
2579                     case 0b0000001: op = rv_op_ctz; break;
2580                     case 0b0000010: op = rv_op_cpop; break;
2581                       /* 0b0000011 */
2582                     case 0b0000100: op = rv_op_sext_b; break;
2583                     case 0b0000101: op = rv_op_sext_h; break;
2584                     }
2585                     break;
2586                 }
2587                 break;
2588             case 2: op = rv_op_slti; break;
2589             case 3: op = rv_op_sltiu; break;
2590             case 4: op = rv_op_xori; break;
2591             case 5:
2592                 switch (((inst >> 27) & 0b11111)) {
2593                 case 0b00000: op = rv_op_srli; break;
2594                 case 0b00001:
2595                     switch (((inst >> 20) & 0b1111111)) {
2596                     case 0b0001111: op = rv_op_unzip; break;
2597                     }
2598                     break;
2599                 case 0b00101: op = rv_op_orc_b; break;
2600                 case 0b01000: op = rv_op_srai; break;
2601                 case 0b01001: op = rv_op_bexti; break;
2602                 case 0b01100: op = rv_op_rori; break;
2603                 case 0b01101:
2604                     switch ((inst >> 20) & 0b1111111) {
2605                     case 0b0011000: op = rv_op_rev8; break;
2606                     case 0b0111000: op = rv_op_rev8; break;
2607                     case 0b0000111: op = rv_op_brev8; break;
2608                     }
2609                     break;
2610                 }
2611                 break;
2612             case 6: op = rv_op_ori; break;
2613             case 7: op = rv_op_andi; break;
2614             }
2615             break;
2616         case 5: op = rv_op_auipc; break;
2617         case 6:
2618             switch (((inst >> 12) & 0b111)) {
2619             case 0: op = rv_op_addiw; break;
2620             case 1:
2621                 switch (((inst >> 26) & 0b111111)) {
2622                 case 0: op = rv_op_slliw; break;
2623                 case 2: op = rv_op_slli_uw; break;
2624                 case 24:
2625                     switch ((inst >> 20) & 0b11111) {
2626                     case 0b00000: op = rv_op_clzw; break;
2627                     case 0b00001: op = rv_op_ctzw; break;
2628                     case 0b00010: op = rv_op_cpopw; break;
2629                     }
2630                     break;
2631                 }
2632                 break;
2633             case 5:
2634                 switch (((inst >> 25) & 0b1111111)) {
2635                 case 0: op = rv_op_srliw; break;
2636                 case 32: op = rv_op_sraiw; break;
2637                 case 48: op = rv_op_roriw; break;
2638                 }
2639                 break;
2640             }
2641             break;
2642         case 8:
2643             switch (((inst >> 12) & 0b111)) {
2644             case 0: op = rv_op_sb; break;
2645             case 1: op = rv_op_sh; break;
2646             case 2: op = rv_op_sw; break;
2647             case 3: op = rv_op_sd; break;
2648             case 4: op = rv_op_sq; break;
2649             }
2650             break;
2651         case 9:
2652             switch (((inst >> 12) & 0b111)) {
2653             case 0:
2654                 switch (((inst >> 20) & 0b111111111111)) {
2655                 case 40: op = rv_op_vs1r_v; break;
2656                 case 552: op = rv_op_vs2r_v; break;
2657                 case 1576: op = rv_op_vs4r_v; break;
2658                 case 3624: op = rv_op_vs8r_v; break;
2659                 }
2660                 switch (((inst >> 26) & 0b111)) {
2661                 case 0:
2662                     switch (((inst >> 20) & 0b11111)) {
2663                     case 0: op = rv_op_vse8_v; break;
2664                     case 11: op = rv_op_vsm_v; break;
2665                     }
2666                     break;
2667                 case 1: op = rv_op_vsuxei8_v; break;
2668                 case 2: op = rv_op_vsse8_v; break;
2669                 case 3: op = rv_op_vsoxei8_v; break;
2670                 }
2671                 break;
2672             case 2: op = rv_op_fsw; break;
2673             case 3: op = rv_op_fsd; break;
2674             case 4: op = rv_op_fsq; break;
2675             case 5:
2676                 switch (((inst >> 26) & 0b111)) {
2677                 case 0:
2678                     switch (((inst >> 20) & 0b11111)) {
2679                     case 0: op = rv_op_vse16_v; break;
2680                     }
2681                     break;
2682                 case 1: op = rv_op_vsuxei16_v; break;
2683                 case 2: op = rv_op_vsse16_v; break;
2684                 case 3: op = rv_op_vsoxei16_v; break;
2685                 }
2686                 break;
2687             case 6:
2688                 switch (((inst >> 26) & 0b111)) {
2689                 case 0:
2690                     switch (((inst >> 20) & 0b11111)) {
2691                     case 0: op = rv_op_vse32_v; break;
2692                     }
2693                     break;
2694                 case 1: op = rv_op_vsuxei32_v; break;
2695                 case 2: op = rv_op_vsse32_v; break;
2696                 case 3: op = rv_op_vsoxei32_v; break;
2697                 }
2698                 break;
2699             case 7:
2700                 switch (((inst >> 26) & 0b111)) {
2701                 case 0:
2702                     switch (((inst >> 20) & 0b11111)) {
2703                     case 0: op = rv_op_vse64_v; break;
2704                     }
2705                     break;
2706                 case 1: op = rv_op_vsuxei64_v; break;
2707                 case 2: op = rv_op_vsse64_v; break;
2708                 case 3: op = rv_op_vsoxei64_v; break;
2709                 }
2710                 break;
2711             }
2712             break;
2713         case 11:
2714             switch (((inst >> 24) & 0b11111000) | ((inst >> 12) & 0b00000111)) {
2715             case 2: op = rv_op_amoadd_w; break;
2716             case 3: op = rv_op_amoadd_d; break;
2717             case 4: op = rv_op_amoadd_q; break;
2718             case 10: op = rv_op_amoswap_w; break;
2719             case 11: op = rv_op_amoswap_d; break;
2720             case 12: op = rv_op_amoswap_q; break;
2721             case 18:
2722                 switch (((inst >> 20) & 0b11111)) {
2723                 case 0: op = rv_op_lr_w; break;
2724                 }
2725                 break;
2726             case 19:
2727                 switch (((inst >> 20) & 0b11111)) {
2728                 case 0: op = rv_op_lr_d; break;
2729                 }
2730                 break;
2731             case 20:
2732                 switch (((inst >> 20) & 0b11111)) {
2733                 case 0: op = rv_op_lr_q; break;
2734                 }
2735                 break;
2736             case 26: op = rv_op_sc_w; break;
2737             case 27: op = rv_op_sc_d; break;
2738             case 28: op = rv_op_sc_q; break;
2739             case 34: op = rv_op_amoxor_w; break;
2740             case 35: op = rv_op_amoxor_d; break;
2741             case 36: op = rv_op_amoxor_q; break;
2742             case 66: op = rv_op_amoor_w; break;
2743             case 67: op = rv_op_amoor_d; break;
2744             case 68: op = rv_op_amoor_q; break;
2745             case 98: op = rv_op_amoand_w; break;
2746             case 99: op = rv_op_amoand_d; break;
2747             case 100: op = rv_op_amoand_q; break;
2748             case 130: op = rv_op_amomin_w; break;
2749             case 131: op = rv_op_amomin_d; break;
2750             case 132: op = rv_op_amomin_q; break;
2751             case 162: op = rv_op_amomax_w; break;
2752             case 163: op = rv_op_amomax_d; break;
2753             case 164: op = rv_op_amomax_q; break;
2754             case 194: op = rv_op_amominu_w; break;
2755             case 195: op = rv_op_amominu_d; break;
2756             case 196: op = rv_op_amominu_q; break;
2757             case 226: op = rv_op_amomaxu_w; break;
2758             case 227: op = rv_op_amomaxu_d; break;
2759             case 228: op = rv_op_amomaxu_q; break;
2760             }
2761             break;
2762         case 12:
2763             switch (((inst >> 22) & 0b1111111000) | ((inst >> 12) & 0b0000000111)) {
2764             case 0: op = rv_op_add; break;
2765             case 1: op = rv_op_sll; break;
2766             case 2: op = rv_op_slt; break;
2767             case 3: op = rv_op_sltu; break;
2768             case 4: op = rv_op_xor; break;
2769             case 5: op = rv_op_srl; break;
2770             case 6: op = rv_op_or; break;
2771             case 7: op = rv_op_and; break;
2772             case 8: op = rv_op_mul; break;
2773             case 9: op = rv_op_mulh; break;
2774             case 10: op = rv_op_mulhsu; break;
2775             case 11: op = rv_op_mulhu; break;
2776             case 12: op = rv_op_div; break;
2777             case 13: op = rv_op_divu; break;
2778             case 14: op = rv_op_rem; break;
2779             case 15: op = rv_op_remu; break;
2780             case 36:
2781                 switch ((inst >> 20) & 0b11111) {
2782                 case 0: op = rv_op_zext_h; break;
2783                 default: op = rv_op_pack; break;
2784                 }
2785                 break;
2786             case 39: op = rv_op_packh; break;
2787 
2788             case 41: op = rv_op_clmul; break;
2789             case 42: op = rv_op_clmulr; break;
2790             case 43: op = rv_op_clmulh; break;
2791             case 44: op = rv_op_min; break;
2792             case 45: op = rv_op_minu; break;
2793             case 46: op = rv_op_max; break;
2794             case 47: op = rv_op_maxu; break;
2795             case 130: op = rv_op_sh1add; break;
2796             case 132: op = rv_op_sh2add; break;
2797             case 134: op = rv_op_sh3add; break;
2798             case 161: op = rv_op_bset; break;
2799             case 162: op = rv_op_xperm4; break;
2800             case 164: op = rv_op_xperm8; break;
2801             case 200: op = rv_op_aes64es; break;
2802             case 216: op = rv_op_aes64esm; break;
2803             case 232: op = rv_op_aes64ds; break;
2804             case 248: op = rv_op_aes64dsm; break;
2805             case 256: op = rv_op_sub; break;
2806             case 260: op = rv_op_xnor; break;
2807             case 261: op = rv_op_sra; break;
2808             case 262: op = rv_op_orn; break;
2809             case 263: op = rv_op_andn; break;
2810             case 289: op = rv_op_bclr; break;
2811             case 293: op = rv_op_bext; break;
2812             case 320: op = rv_op_sha512sum0r; break;
2813             case 328: op = rv_op_sha512sum1r; break;
2814             case 336: op = rv_op_sha512sig0l; break;
2815             case 344: op = rv_op_sha512sig1l; break;
2816             case 368: op = rv_op_sha512sig0h; break;
2817             case 376: op = rv_op_sha512sig1h; break;
2818             case 385: op = rv_op_rol; break;
2819             case 389: op = rv_op_ror; break;
2820             case 417: op = rv_op_binv; break;
2821             case 504: op = rv_op_aes64ks2; break;
2822             }
2823             switch ((inst >> 25) & 0b0011111) {
2824             case 17: op = rv_op_aes32esi; break;
2825             case 19: op = rv_op_aes32esmi; break;
2826             case 21: op = rv_op_aes32dsi; break;
2827             case 23: op = rv_op_aes32dsmi; break;
2828             case 24: op = rv_op_sm4ed; break;
2829             case 26: op = rv_op_sm4ks; break;
2830             }
2831             break;
2832         case 13: op = rv_op_lui; break;
2833         case 14:
2834             switch (((inst >> 22) & 0b1111111000) | ((inst >> 12) & 0b0000000111)) {
2835             case 0: op = rv_op_addw; break;
2836             case 1: op = rv_op_sllw; break;
2837             case 5: op = rv_op_srlw; break;
2838             case 8: op = rv_op_mulw; break;
2839             case 12: op = rv_op_divw; break;
2840             case 13: op = rv_op_divuw; break;
2841             case 14: op = rv_op_remw; break;
2842             case 15: op = rv_op_remuw; break;
2843             case 32: op = rv_op_add_uw; break;
2844             case 36:
2845                 switch ((inst >> 20) & 0b11111) {
2846                 case 0: op = rv_op_zext_h; break;
2847                 default: op = rv_op_packw; break;
2848                 }
2849                 break;
2850             case 130: op = rv_op_sh1add_uw; break;
2851             case 132: op = rv_op_sh2add_uw; break;
2852             case 134: op = rv_op_sh3add_uw; break;
2853             case 256: op = rv_op_subw; break;
2854             case 261: op = rv_op_sraw; break;
2855             case 385: op = rv_op_rolw; break;
2856             case 389: op = rv_op_rorw; break;
2857             }
2858             break;
2859         case 16:
2860             switch (((inst >> 25) & 0b11)) {
2861             case 0: op = rv_op_fmadd_s; break;
2862             case 1: op = rv_op_fmadd_d; break;
2863             case 3: op = rv_op_fmadd_q; break;
2864             }
2865             break;
2866         case 17:
2867             switch (((inst >> 25) & 0b11)) {
2868             case 0: op = rv_op_fmsub_s; break;
2869             case 1: op = rv_op_fmsub_d; break;
2870             case 3: op = rv_op_fmsub_q; break;
2871             }
2872             break;
2873         case 18:
2874             switch (((inst >> 25) & 0b11)) {
2875             case 0: op = rv_op_fnmsub_s; break;
2876             case 1: op = rv_op_fnmsub_d; break;
2877             case 3: op = rv_op_fnmsub_q; break;
2878             }
2879             break;
2880         case 19:
2881             switch (((inst >> 25) & 0b11)) {
2882             case 0: op = rv_op_fnmadd_s; break;
2883             case 1: op = rv_op_fnmadd_d; break;
2884             case 3: op = rv_op_fnmadd_q; break;
2885             }
2886             break;
2887         case 20:
2888             switch (((inst >> 25) & 0b1111111)) {
2889             case 0: op = rv_op_fadd_s; break;
2890             case 1: op = rv_op_fadd_d; break;
2891             case 3: op = rv_op_fadd_q; break;
2892             case 4: op = rv_op_fsub_s; break;
2893             case 5: op = rv_op_fsub_d; break;
2894             case 7: op = rv_op_fsub_q; break;
2895             case 8: op = rv_op_fmul_s; break;
2896             case 9: op = rv_op_fmul_d; break;
2897             case 11: op = rv_op_fmul_q; break;
2898             case 12: op = rv_op_fdiv_s; break;
2899             case 13: op = rv_op_fdiv_d; break;
2900             case 15: op = rv_op_fdiv_q; break;
2901             case 16:
2902                 switch (((inst >> 12) & 0b111)) {
2903                 case 0: op = rv_op_fsgnj_s; break;
2904                 case 1: op = rv_op_fsgnjn_s; break;
2905                 case 2: op = rv_op_fsgnjx_s; break;
2906                 }
2907                 break;
2908             case 17:
2909                 switch (((inst >> 12) & 0b111)) {
2910                 case 0: op = rv_op_fsgnj_d; break;
2911                 case 1: op = rv_op_fsgnjn_d; break;
2912                 case 2: op = rv_op_fsgnjx_d; break;
2913                 }
2914                 break;
2915             case 19:
2916                 switch (((inst >> 12) & 0b111)) {
2917                 case 0: op = rv_op_fsgnj_q; break;
2918                 case 1: op = rv_op_fsgnjn_q; break;
2919                 case 2: op = rv_op_fsgnjx_q; break;
2920                 }
2921                 break;
2922             case 20:
2923                 switch (((inst >> 12) & 0b111)) {
2924                 case 0: op = rv_op_fmin_s; break;
2925                 case 1: op = rv_op_fmax_s; break;
2926                 }
2927                 break;
2928             case 21:
2929                 switch (((inst >> 12) & 0b111)) {
2930                 case 0: op = rv_op_fmin_d; break;
2931                 case 1: op = rv_op_fmax_d; break;
2932                 }
2933                 break;
2934             case 23:
2935                 switch (((inst >> 12) & 0b111)) {
2936                 case 0: op = rv_op_fmin_q; break;
2937                 case 1: op = rv_op_fmax_q; break;
2938                 }
2939                 break;
2940             case 32:
2941                 switch (((inst >> 20) & 0b11111)) {
2942                 case 1: op = rv_op_fcvt_s_d; break;
2943                 case 3: op = rv_op_fcvt_s_q; break;
2944                 }
2945                 break;
2946             case 33:
2947                 switch (((inst >> 20) & 0b11111)) {
2948                 case 0: op = rv_op_fcvt_d_s; break;
2949                 case 3: op = rv_op_fcvt_d_q; break;
2950                 }
2951                 break;
2952             case 35:
2953                 switch (((inst >> 20) & 0b11111)) {
2954                 case 0: op = rv_op_fcvt_q_s; break;
2955                 case 1: op = rv_op_fcvt_q_d; break;
2956                 }
2957                 break;
2958             case 44:
2959                 switch (((inst >> 20) & 0b11111)) {
2960                 case 0: op = rv_op_fsqrt_s; break;
2961                 }
2962                 break;
2963             case 45:
2964                 switch (((inst >> 20) & 0b11111)) {
2965                 case 0: op = rv_op_fsqrt_d; break;
2966                 }
2967                 break;
2968             case 47:
2969                 switch (((inst >> 20) & 0b11111)) {
2970                 case 0: op = rv_op_fsqrt_q; break;
2971                 }
2972                 break;
2973             case 80:
2974                 switch (((inst >> 12) & 0b111)) {
2975                 case 0: op = rv_op_fle_s; break;
2976                 case 1: op = rv_op_flt_s; break;
2977                 case 2: op = rv_op_feq_s; break;
2978                 }
2979                 break;
2980             case 81:
2981                 switch (((inst >> 12) & 0b111)) {
2982                 case 0: op = rv_op_fle_d; break;
2983                 case 1: op = rv_op_flt_d; break;
2984                 case 2: op = rv_op_feq_d; break;
2985                 }
2986                 break;
2987             case 83:
2988                 switch (((inst >> 12) & 0b111)) {
2989                 case 0: op = rv_op_fle_q; break;
2990                 case 1: op = rv_op_flt_q; break;
2991                 case 2: op = rv_op_feq_q; break;
2992                 }
2993                 break;
2994             case 96:
2995                 switch (((inst >> 20) & 0b11111)) {
2996                 case 0: op = rv_op_fcvt_w_s; break;
2997                 case 1: op = rv_op_fcvt_wu_s; break;
2998                 case 2: op = rv_op_fcvt_l_s; break;
2999                 case 3: op = rv_op_fcvt_lu_s; break;
3000                 }
3001                 break;
3002             case 97:
3003                 switch (((inst >> 20) & 0b11111)) {
3004                 case 0: op = rv_op_fcvt_w_d; break;
3005                 case 1: op = rv_op_fcvt_wu_d; break;
3006                 case 2: op = rv_op_fcvt_l_d; break;
3007                 case 3: op = rv_op_fcvt_lu_d; break;
3008                 }
3009                 break;
3010             case 99:
3011                 switch (((inst >> 20) & 0b11111)) {
3012                 case 0: op = rv_op_fcvt_w_q; break;
3013                 case 1: op = rv_op_fcvt_wu_q; break;
3014                 case 2: op = rv_op_fcvt_l_q; break;
3015                 case 3: op = rv_op_fcvt_lu_q; break;
3016                 }
3017                 break;
3018             case 104:
3019                 switch (((inst >> 20) & 0b11111)) {
3020                 case 0: op = rv_op_fcvt_s_w; break;
3021                 case 1: op = rv_op_fcvt_s_wu; break;
3022                 case 2: op = rv_op_fcvt_s_l; break;
3023                 case 3: op = rv_op_fcvt_s_lu; break;
3024                 }
3025                 break;
3026             case 105:
3027                 switch (((inst >> 20) & 0b11111)) {
3028                 case 0: op = rv_op_fcvt_d_w; break;
3029                 case 1: op = rv_op_fcvt_d_wu; break;
3030                 case 2: op = rv_op_fcvt_d_l; break;
3031                 case 3: op = rv_op_fcvt_d_lu; break;
3032                 }
3033                 break;
3034             case 107:
3035                 switch (((inst >> 20) & 0b11111)) {
3036                 case 0: op = rv_op_fcvt_q_w; break;
3037                 case 1: op = rv_op_fcvt_q_wu; break;
3038                 case 2: op = rv_op_fcvt_q_l; break;
3039                 case 3: op = rv_op_fcvt_q_lu; break;
3040                 }
3041                 break;
3042             case 112:
3043                 switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) {
3044                 case 0: op = rv_op_fmv_x_s; break;
3045                 case 1: op = rv_op_fclass_s; break;
3046                 }
3047                 break;
3048             case 113:
3049                 switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) {
3050                 case 0: op = rv_op_fmv_x_d; break;
3051                 case 1: op = rv_op_fclass_d; break;
3052                 }
3053                 break;
3054             case 115:
3055                 switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) {
3056                 case 0: op = rv_op_fmv_x_q; break;
3057                 case 1: op = rv_op_fclass_q; break;
3058                 }
3059                 break;
3060             case 120:
3061                 switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) {
3062                 case 0: op = rv_op_fmv_s_x; break;
3063                 }
3064                 break;
3065             case 121:
3066                 switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) {
3067                 case 0: op = rv_op_fmv_d_x; break;
3068                 }
3069                 break;
3070             case 123:
3071                 switch (((inst >> 17) & 0b11111000) | ((inst >> 12) & 0b00000111)) {
3072                 case 0: op = rv_op_fmv_q_x; break;
3073                 }
3074                 break;
3075             }
3076             break;
3077         case 21:
3078             switch (((inst >> 12) & 0b111)) {
3079             case 0:
3080                 switch (((inst >> 26) & 0b111111)) {
3081                 case 0: op = rv_op_vadd_vv; break;
3082                 case 2: op = rv_op_vsub_vv; break;
3083                 case 4: op = rv_op_vminu_vv; break;
3084                 case 5: op = rv_op_vmin_vv; break;
3085                 case 6: op = rv_op_vmaxu_vv; break;
3086                 case 7: op = rv_op_vmax_vv; break;
3087                 case 9: op = rv_op_vand_vv; break;
3088                 case 10: op = rv_op_vor_vv; break;
3089                 case 11: op = rv_op_vxor_vv; break;
3090                 case 12: op = rv_op_vrgather_vv; break;
3091                 case 14: op = rv_op_vrgatherei16_vv; break;
3092                 case 16: if (((inst >> 25) & 1) == 0) op = rv_op_vadc_vvm; break;
3093                 case 17: op = rv_op_vmadc_vvm; break;
3094                 case 18: if (((inst >> 25) & 1) == 0) op = rv_op_vsbc_vvm; break;
3095                 case 19: op = rv_op_vmsbc_vvm; break;
3096                 case 23:
3097                     if (((inst >> 20) & 0b111111) == 32)
3098                         op = rv_op_vmv_v_v;
3099                     else if (((inst >> 25) & 1) == 0)
3100                         op = rv_op_vmerge_vvm;
3101                     break;
3102                 case 24: op = rv_op_vmseq_vv; break;
3103                 case 25: op = rv_op_vmsne_vv; break;
3104                 case 26: op = rv_op_vmsltu_vv; break;
3105                 case 27: op = rv_op_vmslt_vv; break;
3106                 case 28: op = rv_op_vmsleu_vv; break;
3107                 case 29: op = rv_op_vmsle_vv; break;
3108                 case 32: op = rv_op_vsaddu_vv; break;
3109                 case 33: op = rv_op_vsadd_vv; break;
3110                 case 34: op = rv_op_vssubu_vv; break;
3111                 case 35: op = rv_op_vssub_vv; break;
3112                 case 37: op = rv_op_vsll_vv; break;
3113                 case 39: op = rv_op_vsmul_vv; break;
3114                 case 40: op = rv_op_vsrl_vv; break;
3115                 case 41: op = rv_op_vsra_vv; break;
3116                 case 42: op = rv_op_vssrl_vv; break;
3117                 case 43: op = rv_op_vssra_vv; break;
3118                 case 44: op = rv_op_vnsrl_wv; break;
3119                 case 45: op = rv_op_vnsra_wv; break;
3120                 case 46: op = rv_op_vnclipu_wv; break;
3121                 case 47: op = rv_op_vnclip_wv; break;
3122                 case 48: op = rv_op_vwredsumu_vs; break;
3123                 case 49: op = rv_op_vwredsum_vs; break;
3124                 }
3125                 break;
3126             case 1:
3127                 switch (((inst >> 26) & 0b111111)) {
3128                 case 0: op = rv_op_vfadd_vv; break;
3129                 case 1: op = rv_op_vfredusum_vs; break;
3130                 case 2: op = rv_op_vfsub_vv; break;
3131                 case 3: op = rv_op_vfredosum_vs; break;
3132                 case 4: op = rv_op_vfmin_vv; break;
3133                 case 5: op = rv_op_vfredmin_vs; break;
3134                 case 6: op = rv_op_vfmax_vv; break;
3135                 case 7: op = rv_op_vfredmax_vs; break;
3136                 case 8: op = rv_op_vfsgnj_vv; break;
3137                 case 9: op = rv_op_vfsgnjn_vv; break;
3138                 case 10: op = rv_op_vfsgnjx_vv; break;
3139                 case 16:
3140                     switch (((inst >> 15) & 0b11111)) {
3141                     case 0: if ((inst >> 25) & 1) op = rv_op_vfmv_f_s; break;
3142                     }
3143                     break;
3144                 case 18:
3145                     switch (((inst >> 15) & 0b11111)) {
3146                     case 0: op = rv_op_vfcvt_xu_f_v; break;
3147                     case 1: op = rv_op_vfcvt_x_f_v; break;
3148                     case 2: op = rv_op_vfcvt_f_xu_v; break;
3149                     case 3: op = rv_op_vfcvt_f_x_v; break;
3150                     case 6: op = rv_op_vfcvt_rtz_xu_f_v; break;
3151                     case 7: op = rv_op_vfcvt_rtz_x_f_v; break;
3152                     case 8: op = rv_op_vfwcvt_xu_f_v; break;
3153                     case 9: op = rv_op_vfwcvt_x_f_v; break;
3154                     case 10: op = rv_op_vfwcvt_f_xu_v; break;
3155                     case 11: op = rv_op_vfwcvt_f_x_v; break;
3156                     case 12: op = rv_op_vfwcvt_f_f_v; break;
3157                     case 14: op = rv_op_vfwcvt_rtz_xu_f_v; break;
3158                     case 15: op = rv_op_vfwcvt_rtz_x_f_v; break;
3159                     case 16: op = rv_op_vfncvt_xu_f_w; break;
3160                     case 17: op = rv_op_vfncvt_x_f_w; break;
3161                     case 18: op = rv_op_vfncvt_f_xu_w; break;
3162                     case 19: op = rv_op_vfncvt_f_x_w; break;
3163                     case 20: op = rv_op_vfncvt_f_f_w; break;
3164                     case 21: op = rv_op_vfncvt_rod_f_f_w; break;
3165                     case 22: op = rv_op_vfncvt_rtz_xu_f_w; break;
3166                     case 23: op = rv_op_vfncvt_rtz_x_f_w; break;
3167                     }
3168                     break;
3169                 case 19:
3170                     switch (((inst >> 15) & 0b11111)) {
3171                     case 0: op = rv_op_vfsqrt_v; break;
3172                     case 4: op = rv_op_vfrsqrt7_v; break;
3173                     case 5: op = rv_op_vfrec7_v; break;
3174                     case 16: op = rv_op_vfclass_v; break;
3175                     }
3176                     break;
3177                 case 24: op = rv_op_vmfeq_vv; break;
3178                 case 25: op = rv_op_vmfle_vv; break;
3179                 case 27: op = rv_op_vmflt_vv; break;
3180                 case 28: op = rv_op_vmfne_vv; break;
3181                 case 32: op = rv_op_vfdiv_vv; break;
3182                 case 36: op = rv_op_vfmul_vv; break;
3183                 case 40: op = rv_op_vfmadd_vv; break;
3184                 case 41: op = rv_op_vfnmadd_vv; break;
3185                 case 42: op = rv_op_vfmsub_vv; break;
3186                 case 43: op = rv_op_vfnmsub_vv; break;
3187                 case 44: op = rv_op_vfmacc_vv; break;
3188                 case 45: op = rv_op_vfnmacc_vv; break;
3189                 case 46: op = rv_op_vfmsac_vv; break;
3190                 case 47: op = rv_op_vfnmsac_vv; break;
3191                 case 48: op = rv_op_vfwadd_vv; break;
3192                 case 49: op = rv_op_vfwredusum_vs; break;
3193                 case 50: op = rv_op_vfwsub_vv; break;
3194                 case 51: op = rv_op_vfwredosum_vs; break;
3195                 case 52: op = rv_op_vfwadd_wv; break;
3196                 case 54: op = rv_op_vfwsub_wv; break;
3197                 case 56: op = rv_op_vfwmul_vv; break;
3198                 case 60: op = rv_op_vfwmacc_vv; break;
3199                 case 61: op = rv_op_vfwnmacc_vv; break;
3200                 case 62: op = rv_op_vfwmsac_vv; break;
3201                 case 63: op = rv_op_vfwnmsac_vv; break;
3202                 }
3203                 break;
3204             case 2:
3205                 switch (((inst >> 26) & 0b111111)) {
3206                 case 0: op = rv_op_vredsum_vs; break;
3207                 case 1: op = rv_op_vredand_vs; break;
3208                 case 2: op = rv_op_vredor_vs; break;
3209                 case 3: op = rv_op_vredxor_vs; break;
3210                 case 4: op = rv_op_vredminu_vs; break;
3211                 case 5: op = rv_op_vredmin_vs; break;
3212                 case 6: op = rv_op_vredmaxu_vs; break;
3213                 case 7: op = rv_op_vredmax_vs; break;
3214                 case 8: op = rv_op_vaaddu_vv; break;
3215                 case 9: op = rv_op_vaadd_vv; break;
3216                 case 10: op = rv_op_vasubu_vv; break;
3217                 case 11: op = rv_op_vasub_vv; break;
3218                 case 16:
3219                     switch (((inst >> 15) & 0b11111)) {
3220                     case 0: if ((inst >> 25) & 1) op = rv_op_vmv_x_s; break;
3221                     case 16: op = rv_op_vcpop_m; break;
3222                     case 17: op = rv_op_vfirst_m; break;
3223                     }
3224                     break;
3225                 case 18:
3226                     switch (((inst >> 15) & 0b11111)) {
3227                     case 2: op = rv_op_vzext_vf8; break;
3228                     case 3: op = rv_op_vsext_vf8; break;
3229                     case 4: op = rv_op_vzext_vf4; break;
3230                     case 5: op = rv_op_vsext_vf4; break;
3231                     case 6: op = rv_op_vzext_vf2; break;
3232                     case 7: op = rv_op_vsext_vf2; break;
3233                     }
3234                     break;
3235                 case 20:
3236                     switch (((inst >> 15) & 0b11111)) {
3237                     case 1: op = rv_op_vmsbf_m;  break;
3238                     case 2: op = rv_op_vmsof_m; break;
3239                     case 3: op = rv_op_vmsif_m; break;
3240                     case 16: op = rv_op_viota_m; break;
3241                     case 17: if (((inst >> 20) & 0b11111) == 0) op = rv_op_vid_v; break;
3242                     }
3243                     break;
3244                 case 23: if ((inst >> 25) & 1) op = rv_op_vcompress_vm; break;
3245                 case 24: if ((inst >> 25) & 1) op = rv_op_vmandn_mm; break;
3246                 case 25: if ((inst >> 25) & 1) op = rv_op_vmand_mm; break;
3247                 case 26: if ((inst >> 25) & 1) op = rv_op_vmor_mm; break;
3248                 case 27: if ((inst >> 25) & 1) op = rv_op_vmxor_mm; break;
3249                 case 28: if ((inst >> 25) & 1) op = rv_op_vmorn_mm; break;
3250                 case 29: if ((inst >> 25) & 1) op = rv_op_vmnand_mm; break;
3251                 case 30: if ((inst >> 25) & 1) op = rv_op_vmnor_mm; break;
3252                 case 31: if ((inst >> 25) & 1) op = rv_op_vmxnor_mm; break;
3253                 case 32: op = rv_op_vdivu_vv; break;
3254                 case 33: op = rv_op_vdiv_vv; break;
3255                 case 34: op = rv_op_vremu_vv; break;
3256                 case 35: op = rv_op_vrem_vv; break;
3257                 case 36: op = rv_op_vmulhu_vv; break;
3258                 case 37: op = rv_op_vmul_vv; break;
3259                 case 38: op = rv_op_vmulhsu_vv; break;
3260                 case 39: op = rv_op_vmulh_vv; break;
3261                 case 41: op = rv_op_vmadd_vv; break;
3262                 case 43: op = rv_op_vnmsub_vv; break;
3263                 case 45: op = rv_op_vmacc_vv; break;
3264                 case 47: op = rv_op_vnmsac_vv; break;
3265                 case 48: op = rv_op_vwaddu_vv; break;
3266                 case 49: op = rv_op_vwadd_vv; break;
3267                 case 50: op = rv_op_vwsubu_vv; break;
3268                 case 51: op = rv_op_vwsub_vv; break;
3269                 case 52: op = rv_op_vwaddu_wv; break;
3270                 case 53: op = rv_op_vwadd_wv; break;
3271                 case 54: op = rv_op_vwsubu_wv; break;
3272                 case 55: op = rv_op_vwsub_wv; break;
3273                 case 56: op = rv_op_vwmulu_vv; break;
3274                 case 58: op = rv_op_vwmulsu_vv; break;
3275                 case 59: op = rv_op_vwmul_vv; break;
3276                 case 60: op = rv_op_vwmaccu_vv; break;
3277                 case 61: op = rv_op_vwmacc_vv; break;
3278                 case 63: op = rv_op_vwmaccsu_vv; break;
3279                 }
3280                 break;
3281             case 3:
3282                 switch (((inst >> 26) & 0b111111)) {
3283                 case 0: op = rv_op_vadd_vi; break;
3284                 case 3: op = rv_op_vrsub_vi; break;
3285                 case 9: op = rv_op_vand_vi; break;
3286                 case 10: op = rv_op_vor_vi; break;
3287                 case 11: op = rv_op_vxor_vi; break;
3288                 case 12: op = rv_op_vrgather_vi; break;
3289                 case 14: op = rv_op_vslideup_vi; break;
3290                 case 15: op = rv_op_vslidedown_vi; break;
3291                 case 16: if (((inst >> 25) & 1) == 0) op = rv_op_vadc_vim; break;
3292                 case 17: op = rv_op_vmadc_vim; break;
3293                 case 23:
3294                     if (((inst >> 20) & 0b111111) == 32)
3295                         op = rv_op_vmv_v_i;
3296                     else if (((inst >> 25) & 1) == 0)
3297                         op = rv_op_vmerge_vim;
3298                     break;
3299                 case 24: op = rv_op_vmseq_vi; break;
3300                 case 25: op = rv_op_vmsne_vi; break;
3301                 case 28: op = rv_op_vmsleu_vi; break;
3302                 case 29: op = rv_op_vmsle_vi; break;
3303                 case 30: op = rv_op_vmsgtu_vi; break;
3304                 case 31: op = rv_op_vmsgt_vi; break;
3305                 case 32: op = rv_op_vsaddu_vi; break;
3306                 case 33: op = rv_op_vsadd_vi; break;
3307                 case 37: op = rv_op_vsll_vi; break;
3308                 case 39:
3309                     switch (((inst >> 15) & 0b11111)) {
3310                     case 0: op = rv_op_vmv1r_v; break;
3311                     case 1: op = rv_op_vmv2r_v; break;
3312                     case 3: op = rv_op_vmv4r_v; break;
3313                     case 7: op = rv_op_vmv8r_v; break;
3314                     }
3315                     break;
3316                 case 40: op = rv_op_vsrl_vi; break;
3317                 case 41: op = rv_op_vsra_vi; break;
3318                 case 42: op = rv_op_vssrl_vi; break;
3319                 case 43: op = rv_op_vssra_vi; break;
3320                 case 44: op = rv_op_vnsrl_wi; break;
3321                 case 45: op = rv_op_vnsra_wi; break;
3322                 case 46: op = rv_op_vnclipu_wi; break;
3323                 case 47: op = rv_op_vnclip_wi; break;
3324                 }
3325                 break;
3326             case 4:
3327                 switch (((inst >> 26) & 0b111111)) {
3328                 case 0: op = rv_op_vadd_vx; break;
3329                 case 2: op = rv_op_vsub_vx; break;
3330                 case 3: op = rv_op_vrsub_vx; break;
3331                 case 4: op = rv_op_vminu_vx; break;
3332                 case 5: op = rv_op_vmin_vx; break;
3333                 case 6: op = rv_op_vmaxu_vx; break;
3334                 case 7: op = rv_op_vmax_vx; break;
3335                 case 9: op = rv_op_vand_vx; break;
3336                 case 10: op = rv_op_vor_vx; break;
3337                 case 11: op = rv_op_vxor_vx; break;
3338                 case 12: op = rv_op_vrgather_vx; break;
3339                 case 14: op = rv_op_vslideup_vx; break;
3340                 case 15: op = rv_op_vslidedown_vx; break;
3341                 case 16: if (((inst >> 25) & 1) == 0) op = rv_op_vadc_vxm; break;
3342                 case 17: op = rv_op_vmadc_vxm; break;
3343                 case 18: if (((inst >> 25) & 1) == 0) op = rv_op_vsbc_vxm; break;
3344                 case 19: op = rv_op_vmsbc_vxm; break;
3345                 case 23:
3346                     if (((inst >> 20) & 0b111111) == 32)
3347                         op = rv_op_vmv_v_x;
3348                     else if (((inst >> 25) & 1) == 0)
3349                         op = rv_op_vmerge_vxm;
3350                     break;
3351                 case 24: op = rv_op_vmseq_vx; break;
3352                 case 25: op = rv_op_vmsne_vx; break;
3353                 case 26: op = rv_op_vmsltu_vx; break;
3354                 case 27: op = rv_op_vmslt_vx; break;
3355                 case 28: op = rv_op_vmsleu_vx; break;
3356                 case 29: op = rv_op_vmsle_vx; break;
3357                 case 30: op = rv_op_vmsgtu_vx; break;
3358                 case 31: op = rv_op_vmsgt_vx; break;
3359                 case 32: op = rv_op_vsaddu_vx; break;
3360                 case 33: op = rv_op_vsadd_vx; break;
3361                 case 34: op = rv_op_vssubu_vx; break;
3362                 case 35: op = rv_op_vssub_vx; break;
3363                 case 37: op = rv_op_vsll_vx; break;
3364                 case 39: op = rv_op_vsmul_vx; break;
3365                 case 40: op = rv_op_vsrl_vx; break;
3366                 case 41: op = rv_op_vsra_vx; break;
3367                 case 42: op = rv_op_vssrl_vx; break;
3368                 case 43: op = rv_op_vssra_vx; break;
3369                 case 44: op = rv_op_vnsrl_wx; break;
3370                 case 45: op = rv_op_vnsra_wx; break;
3371                 case 46: op = rv_op_vnclipu_wx; break;
3372                 case 47: op = rv_op_vnclip_wx; break;
3373                 }
3374                 break;
3375             case 5:
3376                 switch (((inst >> 26) & 0b111111)) {
3377                 case 0: op = rv_op_vfadd_vf; break;
3378                 case 2: op = rv_op_vfsub_vf; break;
3379                 case 4: op = rv_op_vfmin_vf; break;
3380                 case 6: op = rv_op_vfmax_vf; break;
3381                 case 8: op = rv_op_vfsgnj_vf; break;
3382                 case 9: op = rv_op_vfsgnjn_vf; break;
3383                 case 10: op = rv_op_vfsgnjx_vf; break;
3384                 case 14: op = rv_op_vfslide1up_vf; break;
3385                 case 15: op = rv_op_vfslide1down_vf; break;
3386                 case 16:
3387                     switch (((inst >> 20) & 0b11111)) {
3388                     case 0: if ((inst >> 25) & 1) op = rv_op_vfmv_s_f; break;
3389                     }
3390                     break;
3391                 case 23:
3392                     if (((inst >> 25) & 1) == 0)
3393                         op = rv_op_vfmerge_vfm;
3394                     else if (((inst >> 20) & 0b111111) == 32)
3395                         op = rv_op_vfmv_v_f;
3396                     break;
3397                 case 24: op = rv_op_vmfeq_vf; break;
3398                 case 25: op = rv_op_vmfle_vf; break;
3399                 case 27: op = rv_op_vmflt_vf; break;
3400                 case 28: op = rv_op_vmfne_vf; break;
3401                 case 29: op = rv_op_vmfgt_vf; break;
3402                 case 31: op = rv_op_vmfge_vf; break;
3403                 case 32: op = rv_op_vfdiv_vf; break;
3404                 case 33: op = rv_op_vfrdiv_vf; break;
3405                 case 36: op = rv_op_vfmul_vf; break;
3406                 case 39: op = rv_op_vfrsub_vf; break;
3407                 case 40: op = rv_op_vfmadd_vf; break;
3408                 case 41: op = rv_op_vfnmadd_vf; break;
3409                 case 42: op = rv_op_vfmsub_vf; break;
3410                 case 43: op = rv_op_vfnmsub_vf; break;
3411                 case 44: op = rv_op_vfmacc_vf; break;
3412                 case 45: op = rv_op_vfnmacc_vf; break;
3413                 case 46: op = rv_op_vfmsac_vf; break;
3414                 case 47: op = rv_op_vfnmsac_vf; break;
3415                 case 48: op = rv_op_vfwadd_vf; break;
3416                 case 50: op = rv_op_vfwsub_vf; break;
3417                 case 52: op = rv_op_vfwadd_wf; break;
3418                 case 54: op = rv_op_vfwsub_wf; break;
3419                 case 56: op = rv_op_vfwmul_vf; break;
3420                 case 60: op = rv_op_vfwmacc_vf; break;
3421                 case 61: op = rv_op_vfwnmacc_vf; break;
3422                 case 62: op = rv_op_vfwmsac_vf; break;
3423                 case 63: op = rv_op_vfwnmsac_vf; break;
3424                 }
3425                 break;
3426             case 6:
3427                 switch (((inst >> 26) & 0b111111)) {
3428                 case 8: op = rv_op_vaaddu_vx; break;
3429                 case 9: op = rv_op_vaadd_vx; break;
3430                 case 10: op = rv_op_vasubu_vx; break;
3431                 case 11: op = rv_op_vasub_vx; break;
3432                 case 14: op = rv_op_vslide1up_vx; break;
3433                 case 15: op = rv_op_vslide1down_vx; break;
3434                 case 16:
3435                     switch (((inst >> 20) & 0b11111)) {
3436                     case 0: if ((inst >> 25) & 1) op = rv_op_vmv_s_x; break;
3437                     }
3438                     break;
3439                 case 32: op = rv_op_vdivu_vx; break;
3440                 case 33: op = rv_op_vdiv_vx; break;
3441                 case 34: op = rv_op_vremu_vx; break;
3442                 case 35: op = rv_op_vrem_vx; break;
3443                 case 36: op = rv_op_vmulhu_vx; break;
3444                 case 37: op = rv_op_vmul_vx; break;
3445                 case 38: op = rv_op_vmulhsu_vx; break;
3446                 case 39: op = rv_op_vmulh_vx; break;
3447                 case 41: op = rv_op_vmadd_vx; break;
3448                 case 43: op = rv_op_vnmsub_vx; break;
3449                 case 45: op = rv_op_vmacc_vx; break;
3450                 case 47: op = rv_op_vnmsac_vx; break;
3451                 case 48: op = rv_op_vwaddu_vx; break;
3452                 case 49: op = rv_op_vwadd_vx; break;
3453                 case 50: op = rv_op_vwsubu_vx; break;
3454                 case 51: op = rv_op_vwsub_vx; break;
3455                 case 52: op = rv_op_vwaddu_wx; break;
3456                 case 53: op = rv_op_vwadd_wx; break;
3457                 case 54: op = rv_op_vwsubu_wx; break;
3458                 case 55: op = rv_op_vwsub_wx; break;
3459                 case 56: op = rv_op_vwmulu_vx; break;
3460                 case 58: op = rv_op_vwmulsu_vx; break;
3461                 case 59: op = rv_op_vwmul_vx; break;
3462                 case 60: op = rv_op_vwmaccu_vx; break;
3463                 case 61: op = rv_op_vwmacc_vx; break;
3464                 case 62: op = rv_op_vwmaccus_vx; break;
3465                 case 63: op = rv_op_vwmaccsu_vx; break;
3466                 }
3467                 break;
3468             case 7:
3469                 if (((inst >> 31) & 1) == 0) {
3470                     op = rv_op_vsetvli;
3471                 } else if ((inst >> 30) & 1) {
3472                     op = rv_op_vsetivli;
3473                 } else if (((inst >> 25) & 0b11111) == 0) {
3474                     op = rv_op_vsetvl;
3475                 }
3476                 break;
3477             }
3478             break;
3479         case 22:
3480             switch (((inst >> 12) & 0b111)) {
3481             case 0: op = rv_op_addid; break;
3482             case 1:
3483                 switch (((inst >> 26) & 0b111111)) {
3484                 case 0: op = rv_op_sllid; break;
3485                 }
3486                 break;
3487             case 5:
3488                 switch (((inst >> 26) & 0b111111)) {
3489                 case 0: op = rv_op_srlid; break;
3490                 case 16: op = rv_op_sraid; break;
3491                 }
3492                 break;
3493             }
3494             break;
3495         case 24:
3496             switch (((inst >> 12) & 0b111)) {
3497             case 0: op = rv_op_beq; break;
3498             case 1: op = rv_op_bne; break;
3499             case 4: op = rv_op_blt; break;
3500             case 5: op = rv_op_bge; break;
3501             case 6: op = rv_op_bltu; break;
3502             case 7: op = rv_op_bgeu; break;
3503             }
3504             break;
3505         case 25:
3506             switch (((inst >> 12) & 0b111)) {
3507             case 0: op = rv_op_jalr; break;
3508             }
3509             break;
3510         case 27: op = rv_op_jal; break;
3511         case 28:
3512             switch (((inst >> 12) & 0b111)) {
3513             case 0:
3514                 switch (((inst >> 20) & 0b111111100000) | ((inst >> 7) & 0b000000011111)) {
3515                 case 0:
3516                     switch (((inst >> 15) & 0b1111111111)) {
3517                     case 0: op = rv_op_ecall; break;
3518                     case 32: op = rv_op_ebreak; break;
3519                     case 64: op = rv_op_uret; break;
3520                     }
3521                     break;
3522                 case 256:
3523                     switch (((inst >> 20) & 0b11111)) {
3524                     case 2:
3525                         switch (((inst >> 15) & 0b11111)) {
3526                         case 0: op = rv_op_sret; break;
3527                         }
3528                         break;
3529                     case 4: op = rv_op_sfence_vm; break;
3530                     case 5:
3531                         switch (((inst >> 15) & 0b11111)) {
3532                         case 0: op = rv_op_wfi; break;
3533                         }
3534                         break;
3535                     }
3536                     break;
3537                 case 288: op = rv_op_sfence_vma; break;
3538                 case 512:
3539                     switch (((inst >> 15) & 0b1111111111)) {
3540                     case 64: op = rv_op_hret; break;
3541                     }
3542                     break;
3543                 case 768:
3544                     switch (((inst >> 15) & 0b1111111111)) {
3545                     case 64: op = rv_op_mret; break;
3546                     }
3547                     break;
3548                 case 1952:
3549                     switch (((inst >> 15) & 0b1111111111)) {
3550                     case 576: op = rv_op_dret; break;
3551                     }
3552                     break;
3553                 }
3554                 break;
3555             case 1: op = rv_op_csrrw; break;
3556             case 2: op = rv_op_csrrs; break;
3557             case 3: op = rv_op_csrrc; break;
3558             case 5: op = rv_op_csrrwi; break;
3559             case 6: op = rv_op_csrrsi; break;
3560             case 7: op = rv_op_csrrci; break;
3561             }
3562             break;
3563         case 30:
3564             switch (((inst >> 22) & 0b1111111000) | ((inst >> 12) & 0b0000000111)) {
3565             case 0: op = rv_op_addd; break;
3566             case 1: op = rv_op_slld; break;
3567             case 5: op = rv_op_srld; break;
3568             case 8: op = rv_op_muld; break;
3569             case 12: op = rv_op_divd; break;
3570             case 13: op = rv_op_divud; break;
3571             case 14: op = rv_op_remd; break;
3572             case 15: op = rv_op_remud; break;
3573             case 256: op = rv_op_subd; break;
3574             case 261: op = rv_op_srad; break;
3575             }
3576             break;
3577         }
3578         break;
3579     }
3580     dec->op = op;
3581 }
3582 
3583 /* operand extractors */
3584 
3585 static uint32_t operand_rd(rv_inst inst)
3586 {
3587     return (inst << 52) >> 59;
3588 }
3589 
3590 static uint32_t operand_rs1(rv_inst inst)
3591 {
3592     return (inst << 44) >> 59;
3593 }
3594 
3595 static uint32_t operand_rs2(rv_inst inst)
3596 {
3597     return (inst << 39) >> 59;
3598 }
3599 
3600 static uint32_t operand_rs3(rv_inst inst)
3601 {
3602     return (inst << 32) >> 59;
3603 }
3604 
3605 static uint32_t operand_aq(rv_inst inst)
3606 {
3607     return (inst << 37) >> 63;
3608 }
3609 
3610 static uint32_t operand_rl(rv_inst inst)
3611 {
3612     return (inst << 38) >> 63;
3613 }
3614 
3615 static uint32_t operand_pred(rv_inst inst)
3616 {
3617     return (inst << 36) >> 60;
3618 }
3619 
3620 static uint32_t operand_succ(rv_inst inst)
3621 {
3622     return (inst << 40) >> 60;
3623 }
3624 
3625 static uint32_t operand_rm(rv_inst inst)
3626 {
3627     return (inst << 49) >> 61;
3628 }
3629 
3630 static uint32_t operand_shamt5(rv_inst inst)
3631 {
3632     return (inst << 39) >> 59;
3633 }
3634 
3635 static uint32_t operand_shamt6(rv_inst inst)
3636 {
3637     return (inst << 38) >> 58;
3638 }
3639 
3640 static uint32_t operand_shamt7(rv_inst inst)
3641 {
3642     return (inst << 37) >> 57;
3643 }
3644 
3645 static uint32_t operand_crdq(rv_inst inst)
3646 {
3647     return (inst << 59) >> 61;
3648 }
3649 
3650 static uint32_t operand_crs1q(rv_inst inst)
3651 {
3652     return (inst << 54) >> 61;
3653 }
3654 
3655 static uint32_t operand_crs1rdq(rv_inst inst)
3656 {
3657     return (inst << 54) >> 61;
3658 }
3659 
3660 static uint32_t operand_crs2q(rv_inst inst)
3661 {
3662     return (inst << 59) >> 61;
3663 }
3664 
3665 static uint32_t operand_crd(rv_inst inst)
3666 {
3667     return (inst << 52) >> 59;
3668 }
3669 
3670 static uint32_t operand_crs1(rv_inst inst)
3671 {
3672     return (inst << 52) >> 59;
3673 }
3674 
3675 static uint32_t operand_crs1rd(rv_inst inst)
3676 {
3677     return (inst << 52) >> 59;
3678 }
3679 
3680 static uint32_t operand_crs2(rv_inst inst)
3681 {
3682     return (inst << 57) >> 59;
3683 }
3684 
3685 static uint32_t operand_cimmsh5(rv_inst inst)
3686 {
3687     return (inst << 57) >> 59;
3688 }
3689 
3690 static uint32_t operand_csr12(rv_inst inst)
3691 {
3692     return (inst << 32) >> 52;
3693 }
3694 
3695 static int32_t operand_imm12(rv_inst inst)
3696 {
3697     return ((int64_t)inst << 32) >> 52;
3698 }
3699 
3700 static int32_t operand_imm20(rv_inst inst)
3701 {
3702     return (((int64_t)inst << 32) >> 44) << 12;
3703 }
3704 
3705 static int32_t operand_jimm20(rv_inst inst)
3706 {
3707     return (((int64_t)inst << 32) >> 63) << 20 |
3708         ((inst << 33) >> 54) << 1 |
3709         ((inst << 43) >> 63) << 11 |
3710         ((inst << 44) >> 56) << 12;
3711 }
3712 
3713 static int32_t operand_simm12(rv_inst inst)
3714 {
3715     return (((int64_t)inst << 32) >> 57) << 5 |
3716         (inst << 52) >> 59;
3717 }
3718 
3719 static int32_t operand_sbimm12(rv_inst inst)
3720 {
3721     return (((int64_t)inst << 32) >> 63) << 12 |
3722         ((inst << 33) >> 58) << 5 |
3723         ((inst << 52) >> 60) << 1 |
3724         ((inst << 56) >> 63) << 11;
3725 }
3726 
3727 static uint32_t operand_cimmshl6(rv_inst inst, rv_isa isa)
3728 {
3729     int imm = ((inst << 51) >> 63) << 5 |
3730         (inst << 57) >> 59;
3731     if (isa == rv128) {
3732         imm = imm ? imm : 64;
3733     }
3734     return imm;
3735 }
3736 
3737 static uint32_t operand_cimmshr6(rv_inst inst, rv_isa isa)
3738 {
3739     int imm = ((inst << 51) >> 63) << 5 |
3740         (inst << 57) >> 59;
3741     if (isa == rv128) {
3742         imm = imm | (imm & 32) << 1;
3743         imm = imm ? imm : 64;
3744     }
3745     return imm;
3746 }
3747 
3748 static int32_t operand_cimmi(rv_inst inst)
3749 {
3750     return (((int64_t)inst << 51) >> 63) << 5 |
3751         (inst << 57) >> 59;
3752 }
3753 
3754 static int32_t operand_cimmui(rv_inst inst)
3755 {
3756     return (((int64_t)inst << 51) >> 63) << 17 |
3757         ((inst << 57) >> 59) << 12;
3758 }
3759 
3760 static uint32_t operand_cimmlwsp(rv_inst inst)
3761 {
3762     return ((inst << 51) >> 63) << 5 |
3763         ((inst << 57) >> 61) << 2 |
3764         ((inst << 60) >> 62) << 6;
3765 }
3766 
3767 static uint32_t operand_cimmldsp(rv_inst inst)
3768 {
3769     return ((inst << 51) >> 63) << 5 |
3770         ((inst << 57) >> 62) << 3 |
3771         ((inst << 59) >> 61) << 6;
3772 }
3773 
3774 static uint32_t operand_cimmlqsp(rv_inst inst)
3775 {
3776     return ((inst << 51) >> 63) << 5 |
3777         ((inst << 57) >> 63) << 4 |
3778         ((inst << 58) >> 60) << 6;
3779 }
3780 
3781 static int32_t operand_cimm16sp(rv_inst inst)
3782 {
3783     return (((int64_t)inst << 51) >> 63) << 9 |
3784         ((inst << 57) >> 63) << 4 |
3785         ((inst << 58) >> 63) << 6 |
3786         ((inst << 59) >> 62) << 7 |
3787         ((inst << 61) >> 63) << 5;
3788 }
3789 
3790 static int32_t operand_cimmj(rv_inst inst)
3791 {
3792     return (((int64_t)inst << 51) >> 63) << 11 |
3793         ((inst << 52) >> 63) << 4 |
3794         ((inst << 53) >> 62) << 8 |
3795         ((inst << 55) >> 63) << 10 |
3796         ((inst << 56) >> 63) << 6 |
3797         ((inst << 57) >> 63) << 7 |
3798         ((inst << 58) >> 61) << 1 |
3799         ((inst << 61) >> 63) << 5;
3800 }
3801 
3802 static int32_t operand_cimmb(rv_inst inst)
3803 {
3804     return (((int64_t)inst << 51) >> 63) << 8 |
3805         ((inst << 52) >> 62) << 3 |
3806         ((inst << 57) >> 62) << 6 |
3807         ((inst << 59) >> 62) << 1 |
3808         ((inst << 61) >> 63) << 5;
3809 }
3810 
3811 static uint32_t operand_cimmswsp(rv_inst inst)
3812 {
3813     return ((inst << 51) >> 60) << 2 |
3814         ((inst << 55) >> 62) << 6;
3815 }
3816 
3817 static uint32_t operand_cimmsdsp(rv_inst inst)
3818 {
3819     return ((inst << 51) >> 61) << 3 |
3820         ((inst << 54) >> 61) << 6;
3821 }
3822 
3823 static uint32_t operand_cimmsqsp(rv_inst inst)
3824 {
3825     return ((inst << 51) >> 62) << 4 |
3826         ((inst << 53) >> 60) << 6;
3827 }
3828 
3829 static uint32_t operand_cimm4spn(rv_inst inst)
3830 {
3831     return ((inst << 51) >> 62) << 4 |
3832         ((inst << 53) >> 60) << 6 |
3833         ((inst << 57) >> 63) << 2 |
3834         ((inst << 58) >> 63) << 3;
3835 }
3836 
3837 static uint32_t operand_cimmw(rv_inst inst)
3838 {
3839     return ((inst << 51) >> 61) << 3 |
3840         ((inst << 57) >> 63) << 2 |
3841         ((inst << 58) >> 63) << 6;
3842 }
3843 
3844 static uint32_t operand_cimmd(rv_inst inst)
3845 {
3846     return ((inst << 51) >> 61) << 3 |
3847         ((inst << 57) >> 62) << 6;
3848 }
3849 
3850 static uint32_t operand_cimmq(rv_inst inst)
3851 {
3852     return ((inst << 51) >> 62) << 4 |
3853         ((inst << 53) >> 63) << 8 |
3854         ((inst << 57) >> 62) << 6;
3855 }
3856 
3857 static uint32_t operand_vimm(rv_inst inst)
3858 {
3859     return (int64_t)(inst << 44) >> 59;
3860 }
3861 
3862 static uint32_t operand_vzimm11(rv_inst inst)
3863 {
3864     return (inst << 33) >> 53;
3865 }
3866 
3867 static uint32_t operand_vzimm10(rv_inst inst)
3868 {
3869     return (inst << 34) >> 54;
3870 }
3871 
3872 static uint32_t operand_bs(rv_inst inst)
3873 {
3874     return (inst << 32) >> 62;
3875 }
3876 
3877 static uint32_t operand_rnum(rv_inst inst)
3878 {
3879     return (inst << 40) >> 60;
3880 }
3881 
3882 static uint32_t operand_vm(rv_inst inst)
3883 {
3884     return (inst << 38) >> 63;
3885 }
3886 
3887 /* decode operands */
3888 
3889 static void decode_inst_operands(rv_decode *dec, rv_isa isa)
3890 {
3891     rv_inst inst = dec->inst;
3892     dec->codec = opcode_data[dec->op].codec;
3893     switch (dec->codec) {
3894     case rv_codec_none:
3895         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
3896         dec->imm = 0;
3897         break;
3898     case rv_codec_u:
3899         dec->rd = operand_rd(inst);
3900         dec->rs1 = dec->rs2 = rv_ireg_zero;
3901         dec->imm = operand_imm20(inst);
3902         break;
3903     case rv_codec_uj:
3904         dec->rd = operand_rd(inst);
3905         dec->rs1 = dec->rs2 = rv_ireg_zero;
3906         dec->imm = operand_jimm20(inst);
3907         break;
3908     case rv_codec_i:
3909         dec->rd = operand_rd(inst);
3910         dec->rs1 = operand_rs1(inst);
3911         dec->rs2 = rv_ireg_zero;
3912         dec->imm = operand_imm12(inst);
3913         break;
3914     case rv_codec_i_sh5:
3915         dec->rd = operand_rd(inst);
3916         dec->rs1 = operand_rs1(inst);
3917         dec->rs2 = rv_ireg_zero;
3918         dec->imm = operand_shamt5(inst);
3919         break;
3920     case rv_codec_i_sh6:
3921         dec->rd = operand_rd(inst);
3922         dec->rs1 = operand_rs1(inst);
3923         dec->rs2 = rv_ireg_zero;
3924         dec->imm = operand_shamt6(inst);
3925         break;
3926     case rv_codec_i_sh7:
3927         dec->rd = operand_rd(inst);
3928         dec->rs1 = operand_rs1(inst);
3929         dec->rs2 = rv_ireg_zero;
3930         dec->imm = operand_shamt7(inst);
3931         break;
3932     case rv_codec_i_csr:
3933         dec->rd = operand_rd(inst);
3934         dec->rs1 = operand_rs1(inst);
3935         dec->rs2 = rv_ireg_zero;
3936         dec->imm = operand_csr12(inst);
3937         break;
3938     case rv_codec_s:
3939         dec->rd = rv_ireg_zero;
3940         dec->rs1 = operand_rs1(inst);
3941         dec->rs2 = operand_rs2(inst);
3942         dec->imm = operand_simm12(inst);
3943         break;
3944     case rv_codec_sb:
3945         dec->rd = rv_ireg_zero;
3946         dec->rs1 = operand_rs1(inst);
3947         dec->rs2 = operand_rs2(inst);
3948         dec->imm = operand_sbimm12(inst);
3949         break;
3950     case rv_codec_r:
3951         dec->rd = operand_rd(inst);
3952         dec->rs1 = operand_rs1(inst);
3953         dec->rs2 = operand_rs2(inst);
3954         dec->imm = 0;
3955         break;
3956     case rv_codec_r_m:
3957         dec->rd = operand_rd(inst);
3958         dec->rs1 = operand_rs1(inst);
3959         dec->rs2 = operand_rs2(inst);
3960         dec->imm = 0;
3961         dec->rm = operand_rm(inst);
3962         break;
3963     case rv_codec_r4_m:
3964         dec->rd = operand_rd(inst);
3965         dec->rs1 = operand_rs1(inst);
3966         dec->rs2 = operand_rs2(inst);
3967         dec->rs3 = operand_rs3(inst);
3968         dec->imm = 0;
3969         dec->rm = operand_rm(inst);
3970         break;
3971     case rv_codec_r_a:
3972         dec->rd = operand_rd(inst);
3973         dec->rs1 = operand_rs1(inst);
3974         dec->rs2 = operand_rs2(inst);
3975         dec->imm = 0;
3976         dec->aq = operand_aq(inst);
3977         dec->rl = operand_rl(inst);
3978         break;
3979     case rv_codec_r_l:
3980         dec->rd = operand_rd(inst);
3981         dec->rs1 = operand_rs1(inst);
3982         dec->rs2 = rv_ireg_zero;
3983         dec->imm = 0;
3984         dec->aq = operand_aq(inst);
3985         dec->rl = operand_rl(inst);
3986         break;
3987     case rv_codec_r_f:
3988         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
3989         dec->pred = operand_pred(inst);
3990         dec->succ = operand_succ(inst);
3991         dec->imm = 0;
3992         break;
3993     case rv_codec_cb:
3994         dec->rd = rv_ireg_zero;
3995         dec->rs1 = operand_crs1q(inst) + 8;
3996         dec->rs2 = rv_ireg_zero;
3997         dec->imm = operand_cimmb(inst);
3998         break;
3999     case rv_codec_cb_imm:
4000         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4001         dec->rs2 = rv_ireg_zero;
4002         dec->imm = operand_cimmi(inst);
4003         break;
4004     case rv_codec_cb_sh5:
4005         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4006         dec->rs2 = rv_ireg_zero;
4007         dec->imm = operand_cimmsh5(inst);
4008         break;
4009     case rv_codec_cb_sh6:
4010         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4011         dec->rs2 = rv_ireg_zero;
4012         dec->imm = operand_cimmshr6(inst, isa);
4013         break;
4014     case rv_codec_ci:
4015         dec->rd = dec->rs1 = operand_crs1rd(inst);
4016         dec->rs2 = rv_ireg_zero;
4017         dec->imm = operand_cimmi(inst);
4018         break;
4019     case rv_codec_ci_sh5:
4020         dec->rd = dec->rs1 = operand_crs1rd(inst);
4021         dec->rs2 = rv_ireg_zero;
4022         dec->imm = operand_cimmsh5(inst);
4023         break;
4024     case rv_codec_ci_sh6:
4025         dec->rd = dec->rs1 = operand_crs1rd(inst);
4026         dec->rs2 = rv_ireg_zero;
4027         dec->imm = operand_cimmshl6(inst, isa);
4028         break;
4029     case rv_codec_ci_16sp:
4030         dec->rd = rv_ireg_sp;
4031         dec->rs1 = rv_ireg_sp;
4032         dec->rs2 = rv_ireg_zero;
4033         dec->imm = operand_cimm16sp(inst);
4034         break;
4035     case rv_codec_ci_lwsp:
4036         dec->rd = operand_crd(inst);
4037         dec->rs1 = rv_ireg_sp;
4038         dec->rs2 = rv_ireg_zero;
4039         dec->imm = operand_cimmlwsp(inst);
4040         break;
4041     case rv_codec_ci_ldsp:
4042         dec->rd = operand_crd(inst);
4043         dec->rs1 = rv_ireg_sp;
4044         dec->rs2 = rv_ireg_zero;
4045         dec->imm = operand_cimmldsp(inst);
4046         break;
4047     case rv_codec_ci_lqsp:
4048         dec->rd = operand_crd(inst);
4049         dec->rs1 = rv_ireg_sp;
4050         dec->rs2 = rv_ireg_zero;
4051         dec->imm = operand_cimmlqsp(inst);
4052         break;
4053     case rv_codec_ci_li:
4054         dec->rd = operand_crd(inst);
4055         dec->rs1 = rv_ireg_zero;
4056         dec->rs2 = rv_ireg_zero;
4057         dec->imm = operand_cimmi(inst);
4058         break;
4059     case rv_codec_ci_lui:
4060         dec->rd = operand_crd(inst);
4061         dec->rs1 = rv_ireg_zero;
4062         dec->rs2 = rv_ireg_zero;
4063         dec->imm = operand_cimmui(inst);
4064         break;
4065     case rv_codec_ci_none:
4066         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4067         dec->imm = 0;
4068         break;
4069     case rv_codec_ciw_4spn:
4070         dec->rd = operand_crdq(inst) + 8;
4071         dec->rs1 = rv_ireg_sp;
4072         dec->rs2 = rv_ireg_zero;
4073         dec->imm = operand_cimm4spn(inst);
4074         break;
4075     case rv_codec_cj:
4076         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4077         dec->imm = operand_cimmj(inst);
4078         break;
4079     case rv_codec_cj_jal:
4080         dec->rd = rv_ireg_ra;
4081         dec->rs1 = dec->rs2 = rv_ireg_zero;
4082         dec->imm = operand_cimmj(inst);
4083         break;
4084     case rv_codec_cl_lw:
4085         dec->rd = operand_crdq(inst) + 8;
4086         dec->rs1 = operand_crs1q(inst) + 8;
4087         dec->rs2 = rv_ireg_zero;
4088         dec->imm = operand_cimmw(inst);
4089         break;
4090     case rv_codec_cl_ld:
4091         dec->rd = operand_crdq(inst) + 8;
4092         dec->rs1 = operand_crs1q(inst) + 8;
4093         dec->rs2 = rv_ireg_zero;
4094         dec->imm = operand_cimmd(inst);
4095         break;
4096     case rv_codec_cl_lq:
4097         dec->rd = operand_crdq(inst) + 8;
4098         dec->rs1 = operand_crs1q(inst) + 8;
4099         dec->rs2 = rv_ireg_zero;
4100         dec->imm = operand_cimmq(inst);
4101         break;
4102     case rv_codec_cr:
4103         dec->rd = dec->rs1 = operand_crs1rd(inst);
4104         dec->rs2 = operand_crs2(inst);
4105         dec->imm = 0;
4106         break;
4107     case rv_codec_cr_mv:
4108         dec->rd = operand_crd(inst);
4109         dec->rs1 = operand_crs2(inst);
4110         dec->rs2 = rv_ireg_zero;
4111         dec->imm = 0;
4112         break;
4113     case rv_codec_cr_jalr:
4114         dec->rd = rv_ireg_ra;
4115         dec->rs1 = operand_crs1(inst);
4116         dec->rs2 = rv_ireg_zero;
4117         dec->imm = 0;
4118         break;
4119     case rv_codec_cr_jr:
4120         dec->rd = rv_ireg_zero;
4121         dec->rs1 = operand_crs1(inst);
4122         dec->rs2 = rv_ireg_zero;
4123         dec->imm = 0;
4124         break;
4125     case rv_codec_cs:
4126         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4127         dec->rs2 = operand_crs2q(inst) + 8;
4128         dec->imm = 0;
4129         break;
4130     case rv_codec_cs_sw:
4131         dec->rd = rv_ireg_zero;
4132         dec->rs1 = operand_crs1q(inst) + 8;
4133         dec->rs2 = operand_crs2q(inst) + 8;
4134         dec->imm = operand_cimmw(inst);
4135         break;
4136     case rv_codec_cs_sd:
4137         dec->rd = rv_ireg_zero;
4138         dec->rs1 = operand_crs1q(inst) + 8;
4139         dec->rs2 = operand_crs2q(inst) + 8;
4140         dec->imm = operand_cimmd(inst);
4141         break;
4142     case rv_codec_cs_sq:
4143         dec->rd = rv_ireg_zero;
4144         dec->rs1 = operand_crs1q(inst) + 8;
4145         dec->rs2 = operand_crs2q(inst) + 8;
4146         dec->imm = operand_cimmq(inst);
4147         break;
4148     case rv_codec_css_swsp:
4149         dec->rd = rv_ireg_zero;
4150         dec->rs1 = rv_ireg_sp;
4151         dec->rs2 = operand_crs2(inst);
4152         dec->imm = operand_cimmswsp(inst);
4153         break;
4154     case rv_codec_css_sdsp:
4155         dec->rd = rv_ireg_zero;
4156         dec->rs1 = rv_ireg_sp;
4157         dec->rs2 = operand_crs2(inst);
4158         dec->imm = operand_cimmsdsp(inst);
4159         break;
4160     case rv_codec_css_sqsp:
4161         dec->rd = rv_ireg_zero;
4162         dec->rs1 = rv_ireg_sp;
4163         dec->rs2 = operand_crs2(inst);
4164         dec->imm = operand_cimmsqsp(inst);
4165         break;
4166     case rv_codec_k_bs:
4167         dec->rs1 = operand_rs1(inst);
4168         dec->rs2 = operand_rs2(inst);
4169         dec->bs = operand_bs(inst);
4170         break;
4171     case rv_codec_k_rnum:
4172         dec->rd = operand_rd(inst);
4173         dec->rs1 = operand_rs1(inst);
4174         dec->rnum = operand_rnum(inst);
4175         break;
4176     case rv_codec_v_r:
4177         dec->rd = operand_rd(inst);
4178         dec->rs1 = operand_rs1(inst);
4179         dec->rs2 = operand_rs2(inst);
4180         dec->vm = operand_vm(inst);
4181         break;
4182     case rv_codec_v_ldst:
4183         dec->rd = operand_rd(inst);
4184         dec->rs1 = operand_rs1(inst);
4185         dec->vm = operand_vm(inst);
4186         break;
4187     case rv_codec_v_i:
4188         dec->rd = operand_rd(inst);
4189         dec->rs2 = operand_rs2(inst);
4190         dec->imm = operand_vimm(inst);
4191         dec->vm = operand_vm(inst);
4192         break;
4193     case rv_codec_vsetvli:
4194         dec->rd = operand_rd(inst);
4195         dec->rs1 = operand_rs1(inst);
4196         dec->vzimm = operand_vzimm11(inst);
4197         break;
4198     case rv_codec_vsetivli:
4199         dec->rd = operand_rd(inst);
4200         dec->imm = operand_vimm(inst);
4201         dec->vzimm = operand_vzimm10(inst);
4202         break;
4203     };
4204 }
4205 
4206 /* check constraint */
4207 
4208 static bool check_constraints(rv_decode *dec, const rvc_constraint *c)
4209 {
4210     int32_t imm = dec->imm;
4211     uint8_t rd = dec->rd, rs1 = dec->rs1, rs2 = dec->rs2;
4212     while (*c != rvc_end) {
4213         switch (*c) {
4214         case rvc_rd_eq_ra:
4215             if (!(rd == 1)) {
4216                 return false;
4217             }
4218             break;
4219         case rvc_rd_eq_x0:
4220             if (!(rd == 0)) {
4221                 return false;
4222             }
4223             break;
4224         case rvc_rs1_eq_x0:
4225             if (!(rs1 == 0)) {
4226                 return false;
4227             }
4228             break;
4229         case rvc_rs2_eq_x0:
4230             if (!(rs2 == 0)) {
4231                 return false;
4232             }
4233             break;
4234         case rvc_rs2_eq_rs1:
4235             if (!(rs2 == rs1)) {
4236                 return false;
4237             }
4238             break;
4239         case rvc_rs1_eq_ra:
4240             if (!(rs1 == 1)) {
4241                 return false;
4242             }
4243             break;
4244         case rvc_imm_eq_zero:
4245             if (!(imm == 0)) {
4246                 return false;
4247             }
4248             break;
4249         case rvc_imm_eq_n1:
4250             if (!(imm == -1)) {
4251                 return false;
4252             }
4253             break;
4254         case rvc_imm_eq_p1:
4255             if (!(imm == 1)) {
4256                 return false;
4257             }
4258             break;
4259         case rvc_csr_eq_0x001:
4260             if (!(imm == 0x001)) {
4261                 return false;
4262             }
4263             break;
4264         case rvc_csr_eq_0x002:
4265             if (!(imm == 0x002)) {
4266                 return false;
4267             }
4268             break;
4269         case rvc_csr_eq_0x003:
4270             if (!(imm == 0x003)) {
4271                 return false;
4272             }
4273             break;
4274         case rvc_csr_eq_0xc00:
4275             if (!(imm == 0xc00)) {
4276                 return false;
4277             }
4278             break;
4279         case rvc_csr_eq_0xc01:
4280             if (!(imm == 0xc01)) {
4281                 return false;
4282             }
4283             break;
4284         case rvc_csr_eq_0xc02:
4285             if (!(imm == 0xc02)) {
4286                 return false;
4287             }
4288             break;
4289         case rvc_csr_eq_0xc80:
4290             if (!(imm == 0xc80)) {
4291                 return false;
4292             }
4293             break;
4294         case rvc_csr_eq_0xc81:
4295             if (!(imm == 0xc81)) {
4296                 return false;
4297             }
4298             break;
4299         case rvc_csr_eq_0xc82:
4300             if (!(imm == 0xc82)) {
4301                 return false;
4302             }
4303             break;
4304         default: break;
4305         }
4306         c++;
4307     }
4308     return true;
4309 }
4310 
4311 /* instruction length */
4312 
4313 static size_t inst_length(rv_inst inst)
4314 {
4315     /* NOTE: supports maximum instruction size of 64-bits */
4316 
4317     /* instruction length coding
4318      *
4319      *      aa - 16 bit aa != 11
4320      *   bbb11 - 32 bit bbb != 111
4321      *  011111 - 48 bit
4322      * 0111111 - 64 bit
4323      */
4324 
4325     return (inst &      0b11) != 0b11      ? 2
4326          : (inst &   0b11100) != 0b11100   ? 4
4327          : (inst &  0b111111) == 0b011111  ? 6
4328          : (inst & 0b1111111) == 0b0111111 ? 8
4329          : 0;
4330 }
4331 
4332 /* format instruction */
4333 
4334 static void append(char *s1, const char *s2, size_t n)
4335 {
4336     size_t l1 = strlen(s1);
4337     if (n - l1 - 1 > 0) {
4338         strncat(s1, s2, n - l1);
4339     }
4340 }
4341 
4342 static void format_inst(char *buf, size_t buflen, size_t tab, rv_decode *dec)
4343 {
4344     char tmp[64];
4345     const char *fmt;
4346 
4347     fmt = opcode_data[dec->op].format;
4348     while (*fmt) {
4349         switch (*fmt) {
4350         case 'O':
4351             append(buf, opcode_data[dec->op].name, buflen);
4352             break;
4353         case '(':
4354             append(buf, "(", buflen);
4355             break;
4356         case ',':
4357             append(buf, ",", buflen);
4358             break;
4359         case ')':
4360             append(buf, ")", buflen);
4361             break;
4362         case 'b':
4363             snprintf(tmp, sizeof(tmp), "%d", dec->bs);
4364             append(buf, tmp, buflen);
4365             break;
4366         case 'n':
4367             snprintf(tmp, sizeof(tmp), "%d", dec->rnum);
4368             append(buf, tmp, buflen);
4369             break;
4370         case '0':
4371             append(buf, rv_ireg_name_sym[dec->rd], buflen);
4372             break;
4373         case '1':
4374             append(buf, rv_ireg_name_sym[dec->rs1], buflen);
4375             break;
4376         case '2':
4377             append(buf, rv_ireg_name_sym[dec->rs2], buflen);
4378             break;
4379         case '3':
4380             append(buf, rv_freg_name_sym[dec->rd], buflen);
4381             break;
4382         case '4':
4383             append(buf, rv_freg_name_sym[dec->rs1], buflen);
4384             break;
4385         case '5':
4386             append(buf, rv_freg_name_sym[dec->rs2], buflen);
4387             break;
4388         case '6':
4389             append(buf, rv_freg_name_sym[dec->rs3], buflen);
4390             break;
4391         case '7':
4392             snprintf(tmp, sizeof(tmp), "%d", dec->rs1);
4393             append(buf, tmp, buflen);
4394             break;
4395         case 'i':
4396             snprintf(tmp, sizeof(tmp), "%d", dec->imm);
4397             append(buf, tmp, buflen);
4398             break;
4399         case 'u':
4400             snprintf(tmp, sizeof(tmp), "%u", ((uint32_t)dec->imm & 0b11111));
4401             append(buf, tmp, buflen);
4402             break;
4403         case 'o':
4404             snprintf(tmp, sizeof(tmp), "%d", dec->imm);
4405             append(buf, tmp, buflen);
4406             while (strlen(buf) < tab * 2) {
4407                 append(buf, " ", buflen);
4408             }
4409             snprintf(tmp, sizeof(tmp), "# 0x%" PRIx64,
4410                 dec->pc + dec->imm);
4411             append(buf, tmp, buflen);
4412             break;
4413         case 'c': {
4414             const char *name = csr_name(dec->imm & 0xfff);
4415             if (name) {
4416                 append(buf, name, buflen);
4417             } else {
4418                 snprintf(tmp, sizeof(tmp), "0x%03x", dec->imm & 0xfff);
4419                 append(buf, tmp, buflen);
4420             }
4421             break;
4422         }
4423         case 'r':
4424             switch (dec->rm) {
4425             case rv_rm_rne:
4426                 append(buf, "rne", buflen);
4427                 break;
4428             case rv_rm_rtz:
4429                 append(buf, "rtz", buflen);
4430                 break;
4431             case rv_rm_rdn:
4432                 append(buf, "rdn", buflen);
4433                 break;
4434             case rv_rm_rup:
4435                 append(buf, "rup", buflen);
4436                 break;
4437             case rv_rm_rmm:
4438                 append(buf, "rmm", buflen);
4439                 break;
4440             case rv_rm_dyn:
4441                 append(buf, "dyn", buflen);
4442                 break;
4443             default:
4444                 append(buf, "inv", buflen);
4445                 break;
4446             }
4447             break;
4448         case 'p':
4449             if (dec->pred & rv_fence_i) {
4450                 append(buf, "i", buflen);
4451             }
4452             if (dec->pred & rv_fence_o) {
4453                 append(buf, "o", buflen);
4454             }
4455             if (dec->pred & rv_fence_r) {
4456                 append(buf, "r", buflen);
4457             }
4458             if (dec->pred & rv_fence_w) {
4459                 append(buf, "w", buflen);
4460             }
4461             break;
4462         case 's':
4463             if (dec->succ & rv_fence_i) {
4464                 append(buf, "i", buflen);
4465             }
4466             if (dec->succ & rv_fence_o) {
4467                 append(buf, "o", buflen);
4468             }
4469             if (dec->succ & rv_fence_r) {
4470                 append(buf, "r", buflen);
4471             }
4472             if (dec->succ & rv_fence_w) {
4473                 append(buf, "w", buflen);
4474             }
4475             break;
4476         case '\t':
4477             while (strlen(buf) < tab) {
4478                 append(buf, " ", buflen);
4479             }
4480             break;
4481         case 'A':
4482             if (dec->aq) {
4483                 append(buf, ".aq", buflen);
4484             }
4485             break;
4486         case 'R':
4487             if (dec->rl) {
4488                 append(buf, ".rl", buflen);
4489             }
4490             break;
4491         case 'l':
4492             append(buf, ",v0", buflen);
4493             break;
4494         case 'm':
4495             if (dec->vm == 0) {
4496                 append(buf, ",v0.t", buflen);
4497             }
4498             break;
4499         case 'D':
4500             append(buf, rv_vreg_name_sym[dec->rd], buflen);
4501             break;
4502         case 'E':
4503             append(buf, rv_vreg_name_sym[dec->rs1], buflen);
4504             break;
4505         case 'F':
4506             append(buf, rv_vreg_name_sym[dec->rs2], buflen);
4507             break;
4508         case 'G':
4509             append(buf, rv_vreg_name_sym[dec->rs3], buflen);
4510             break;
4511         case 'v': {
4512             char nbuf[32] = {0};
4513             const int sew = 1 << (((dec->vzimm >> 3) & 0b111) + 3);
4514             sprintf(nbuf, "%d", sew);
4515             const int lmul = dec->vzimm & 0b11;
4516             const int flmul = (dec->vzimm >> 2) & 1;
4517             const char *vta = (dec->vzimm >> 6) & 1 ? "ta" : "tu";
4518             const char *vma = (dec->vzimm >> 7) & 1 ? "ma" : "mu";
4519             append(buf, "e", buflen);
4520             append(buf, nbuf, buflen);
4521             append(buf, ",m", buflen);
4522             if (flmul) {
4523                 switch (lmul) {
4524                 case 3:
4525                     sprintf(nbuf, "f2");
4526                     break;
4527                 case 2:
4528                     sprintf(nbuf, "f4");
4529                     break;
4530                 case 1:
4531                     sprintf(nbuf, "f8");
4532                 break;
4533                 }
4534                 append(buf, nbuf, buflen);
4535             } else {
4536                 sprintf(nbuf, "%d", 1 << lmul);
4537                 append(buf, nbuf, buflen);
4538             }
4539             append(buf, ",", buflen);
4540             append(buf, vta, buflen);
4541             append(buf, ",", buflen);
4542             append(buf, vma, buflen);
4543             break;
4544         }
4545         default:
4546             break;
4547         }
4548         fmt++;
4549     }
4550 }
4551 
4552 /* lift instruction to pseudo-instruction */
4553 
4554 static void decode_inst_lift_pseudo(rv_decode *dec)
4555 {
4556     const rv_comp_data *comp_data = opcode_data[dec->op].pseudo;
4557     if (!comp_data) {
4558         return;
4559     }
4560     while (comp_data->constraints) {
4561         if (check_constraints(dec, comp_data->constraints)) {
4562             dec->op = comp_data->op;
4563             dec->codec = opcode_data[dec->op].codec;
4564             return;
4565         }
4566         comp_data++;
4567     }
4568 }
4569 
4570 /* decompress instruction */
4571 
4572 static void decode_inst_decompress_rv32(rv_decode *dec)
4573 {
4574     int decomp_op = opcode_data[dec->op].decomp_rv32;
4575     if (decomp_op != rv_op_illegal) {
4576         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
4577             && dec->imm == 0) {
4578             dec->op = rv_op_illegal;
4579         } else {
4580             dec->op = decomp_op;
4581             dec->codec = opcode_data[decomp_op].codec;
4582         }
4583     }
4584 }
4585 
4586 static void decode_inst_decompress_rv64(rv_decode *dec)
4587 {
4588     int decomp_op = opcode_data[dec->op].decomp_rv64;
4589     if (decomp_op != rv_op_illegal) {
4590         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
4591             && dec->imm == 0) {
4592             dec->op = rv_op_illegal;
4593         } else {
4594             dec->op = decomp_op;
4595             dec->codec = opcode_data[decomp_op].codec;
4596         }
4597     }
4598 }
4599 
4600 static void decode_inst_decompress_rv128(rv_decode *dec)
4601 {
4602     int decomp_op = opcode_data[dec->op].decomp_rv128;
4603     if (decomp_op != rv_op_illegal) {
4604         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
4605             && dec->imm == 0) {
4606             dec->op = rv_op_illegal;
4607         } else {
4608             dec->op = decomp_op;
4609             dec->codec = opcode_data[decomp_op].codec;
4610         }
4611     }
4612 }
4613 
4614 static void decode_inst_decompress(rv_decode *dec, rv_isa isa)
4615 {
4616     switch (isa) {
4617     case rv32:
4618         decode_inst_decompress_rv32(dec);
4619         break;
4620     case rv64:
4621         decode_inst_decompress_rv64(dec);
4622         break;
4623     case rv128:
4624         decode_inst_decompress_rv128(dec);
4625         break;
4626     }
4627 }
4628 
4629 /* disassemble instruction */
4630 
4631 static void
4632 disasm_inst(char *buf, size_t buflen, rv_isa isa, uint64_t pc, rv_inst inst)
4633 {
4634     rv_decode dec = { 0 };
4635     dec.pc = pc;
4636     dec.inst = inst;
4637     decode_inst_opcode(&dec, isa);
4638     decode_inst_operands(&dec, isa);
4639     decode_inst_decompress(&dec, isa);
4640     decode_inst_lift_pseudo(&dec);
4641     format_inst(buf, buflen, 24, &dec);
4642 }
4643 
4644 #define INST_FMT_2 "%04" PRIx64 "              "
4645 #define INST_FMT_4 "%08" PRIx64 "          "
4646 #define INST_FMT_6 "%012" PRIx64 "      "
4647 #define INST_FMT_8 "%016" PRIx64 "  "
4648 
4649 static int
4650 print_insn_riscv(bfd_vma memaddr, struct disassemble_info *info, rv_isa isa)
4651 {
4652     char buf[128] = { 0 };
4653     bfd_byte packet[2];
4654     rv_inst inst = 0;
4655     size_t len = 2;
4656     bfd_vma n;
4657     int status;
4658 
4659     /* Instructions are made of 2-byte packets in little-endian order */
4660     for (n = 0; n < len; n += 2) {
4661         status = (*info->read_memory_func)(memaddr + n, packet, 2, info);
4662         if (status != 0) {
4663             /* Don't fail just because we fell off the end.  */
4664             if (n > 0) {
4665                 break;
4666             }
4667             (*info->memory_error_func)(status, memaddr, info);
4668             return status;
4669         }
4670         inst |= ((rv_inst) bfd_getl16(packet)) << (8 * n);
4671         if (n == 0) {
4672             len = inst_length(inst);
4673         }
4674     }
4675 
4676     switch (len) {
4677     case 2:
4678         (*info->fprintf_func)(info->stream, INST_FMT_2, inst);
4679         break;
4680     case 4:
4681         (*info->fprintf_func)(info->stream, INST_FMT_4, inst);
4682         break;
4683     case 6:
4684         (*info->fprintf_func)(info->stream, INST_FMT_6, inst);
4685         break;
4686     default:
4687         (*info->fprintf_func)(info->stream, INST_FMT_8, inst);
4688         break;
4689     }
4690 
4691     disasm_inst(buf, sizeof(buf), isa, memaddr, inst);
4692     (*info->fprintf_func)(info->stream, "%s", buf);
4693 
4694     return len;
4695 }
4696 
4697 int print_insn_riscv32(bfd_vma memaddr, struct disassemble_info *info)
4698 {
4699     return print_insn_riscv(memaddr, info, rv32);
4700 }
4701 
4702 int print_insn_riscv64(bfd_vma memaddr, struct disassemble_info *info)
4703 {
4704     return print_insn_riscv(memaddr, info, rv64);
4705 }
4706 
4707 int print_insn_riscv128(bfd_vma memaddr, struct disassemble_info *info)
4708 {
4709     return print_insn_riscv(memaddr, info, rv128);
4710 }
4711