disas/riscv.c

   1 /*
   2  * QEMU RISC-V Disassembler
   3  *
   4  * Copyright (c) 2016-2017 Michael Clark <michaeljclark@mac.com>
   5  * Copyright (c) 2017-2018 SiFive, Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms and conditions of the GNU General Public License,
   9  * version 2 or later, as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "qemu/osdep.h"
  21 #include "qemu/bitops.h"
  22 #include "disas/dis-asm.h"
  23 #include "target/riscv/cpu_cfg.h"
  24 #include "disas/riscv.h"
  25
  26 /* Vendor extensions */
  27 #include "disas/riscv-xthead.h"
  28 #include "disas/riscv-xventana.h"
  29
  30 typedef enum {
  31     /* 0 is reserved for rv_op_illegal. */
  32     rv_op_lui = 1,
  33     rv_op_auipc = 2,
  34     rv_op_jal = 3,
  35     rv_op_jalr = 4,
  36     rv_op_beq = 5,
  37     rv_op_bne = 6,
  38     rv_op_blt = 7,
  39     rv_op_bge = 8,
  40     rv_op_bltu = 9,
  41     rv_op_bgeu = 10,
  42     rv_op_lb = 11,
  43     rv_op_lh = 12,
  44     rv_op_lw = 13,
  45     rv_op_lbu = 14,
  46     rv_op_lhu = 15,
  47     rv_op_sb = 16,
  48     rv_op_sh = 17,
  49     rv_op_sw = 18,
  50     rv_op_addi = 19,
  51     rv_op_slti = 20,
  52     rv_op_sltiu = 21,
  53     rv_op_xori = 22,
  54     rv_op_ori = 23,
  55     rv_op_andi = 24,
  56     rv_op_slli = 25,
  57     rv_op_srli = 26,
  58     rv_op_srai = 27,
  59     rv_op_add = 28,
  60     rv_op_sub = 29,
  61     rv_op_sll = 30,
  62     rv_op_slt = 31,
  63     rv_op_sltu = 32,
  64     rv_op_xor = 33,
  65     rv_op_srl = 34,
  66     rv_op_sra = 35,
  67     rv_op_or = 36,
  68     rv_op_and = 37,
  69     rv_op_fence = 38,
  70     rv_op_fence_i = 39,
  71     rv_op_lwu = 40,
  72     rv_op_ld = 41,
  73     rv_op_sd = 42,
  74     rv_op_addiw = 43,
  75     rv_op_slliw = 44,
  76     rv_op_srliw = 45,
  77     rv_op_sraiw = 46,
  78     rv_op_addw = 47,
  79     rv_op_subw = 48,
  80     rv_op_sllw = 49,
  81     rv_op_srlw = 50,
  82     rv_op_sraw = 51,
  83     rv_op_ldu = 52,
  84     rv_op_lq = 53,
  85     rv_op_sq = 54,
  86     rv_op_addid = 55,
  87     rv_op_sllid = 56,
  88     rv_op_srlid = 57,
  89     rv_op_sraid = 58,
  90     rv_op_addd = 59,
  91     rv_op_subd = 60,
  92     rv_op_slld = 61,
  93     rv_op_srld = 62,
  94     rv_op_srad = 63,
  95     rv_op_mul = 64,
  96     rv_op_mulh = 65,
  97     rv_op_mulhsu = 66,
  98     rv_op_mulhu = 67,
  99     rv_op_div = 68,
 100     rv_op_divu = 69,
 101     rv_op_rem = 70,
 102     rv_op_remu = 71,
 103     rv_op_mulw = 72,
 104     rv_op_divw = 73,
 105     rv_op_divuw = 74,
 106     rv_op_remw = 75,
 107     rv_op_remuw = 76,
 108     rv_op_muld = 77,
 109     rv_op_divd = 78,
 110     rv_op_divud = 79,
 111     rv_op_remd = 80,
 112     rv_op_remud = 81,
 113     rv_op_lr_w = 82,
 114     rv_op_sc_w = 83,
 115     rv_op_amoswap_w = 84,
 116     rv_op_amoadd_w = 85,
 117     rv_op_amoxor_w = 86,
 118     rv_op_amoor_w = 87,
 119     rv_op_amoand_w = 88,
 120     rv_op_amomin_w = 89,
 121     rv_op_amomax_w = 90,
 122     rv_op_amominu_w = 91,
 123     rv_op_amomaxu_w = 92,
 124     rv_op_lr_d = 93,
 125     rv_op_sc_d = 94,
 126     rv_op_amoswap_d = 95,
 127     rv_op_amoadd_d = 96,
 128     rv_op_amoxor_d = 97,
 129     rv_op_amoor_d = 98,
 130     rv_op_amoand_d = 99,
 131     rv_op_amomin_d = 100,
 132     rv_op_amomax_d = 101,
 133     rv_op_amominu_d = 102,
 134     rv_op_amomaxu_d = 103,
 135     rv_op_lr_q = 104,
 136     rv_op_sc_q = 105,
 137     rv_op_amoswap_q = 106,
 138     rv_op_amoadd_q = 107,
 139     rv_op_amoxor_q = 108,
 140     rv_op_amoor_q = 109,
 141     rv_op_amoand_q = 110,
 142     rv_op_amomin_q = 111,
 143     rv_op_amomax_q = 112,
 144     rv_op_amominu_q = 113,
 145     rv_op_amomaxu_q = 114,
 146     rv_op_ecall = 115,
 147     rv_op_ebreak = 116,
 148     rv_op_uret = 117,
 149     rv_op_sret = 118,
 150     rv_op_hret = 119,
 151     rv_op_mret = 120,
 152     rv_op_dret = 121,
 153     rv_op_sfence_vm = 122,
 154     rv_op_sfence_vma = 123,
 155     rv_op_wfi = 124,
 156     rv_op_csrrw = 125,
 157     rv_op_csrrs = 126,
 158     rv_op_csrrc = 127,
 159     rv_op_csrrwi = 128,
 160     rv_op_csrrsi = 129,
 161     rv_op_csrrci = 130,
 162     rv_op_flw = 131,
 163     rv_op_fsw = 132,
 164     rv_op_fmadd_s = 133,
 165     rv_op_fmsub_s = 134,
 166     rv_op_fnmsub_s = 135,
 167     rv_op_fnmadd_s = 136,
 168     rv_op_fadd_s = 137,
 169     rv_op_fsub_s = 138,
 170     rv_op_fmul_s = 139,
 171     rv_op_fdiv_s = 140,
 172     rv_op_fsgnj_s = 141,
 173     rv_op_fsgnjn_s = 142,
 174     rv_op_fsgnjx_s = 143,
 175     rv_op_fmin_s = 144,
 176     rv_op_fmax_s = 145,
 177     rv_op_fsqrt_s = 146,
 178     rv_op_fle_s = 147,
 179     rv_op_flt_s = 148,
 180     rv_op_feq_s = 149,
 181     rv_op_fcvt_w_s = 150,
 182     rv_op_fcvt_wu_s = 151,
 183     rv_op_fcvt_s_w = 152,
 184     rv_op_fcvt_s_wu = 153,
 185     rv_op_fmv_x_s = 154,
 186     rv_op_fclass_s = 155,
 187     rv_op_fmv_s_x = 156,
 188     rv_op_fcvt_l_s = 157,
 189     rv_op_fcvt_lu_s = 158,
 190     rv_op_fcvt_s_l = 159,
 191     rv_op_fcvt_s_lu = 160,
 192     rv_op_fld = 161,
 193     rv_op_fsd = 162,
 194     rv_op_fmadd_d = 163,
 195     rv_op_fmsub_d = 164,
 196     rv_op_fnmsub_d = 165,
 197     rv_op_fnmadd_d = 166,
 198     rv_op_fadd_d = 167,
 199     rv_op_fsub_d = 168,
 200     rv_op_fmul_d = 169,
 201     rv_op_fdiv_d = 170,
 202     rv_op_fsgnj_d = 171,
 203     rv_op_fsgnjn_d = 172,
 204     rv_op_fsgnjx_d = 173,
 205     rv_op_fmin_d = 174,
 206     rv_op_fmax_d = 175,
 207     rv_op_fcvt_s_d = 176,
 208     rv_op_fcvt_d_s = 177,
 209     rv_op_fsqrt_d = 178,
 210     rv_op_fle_d = 179,
 211     rv_op_flt_d = 180,
 212     rv_op_feq_d = 181,
 213     rv_op_fcvt_w_d = 182,
 214     rv_op_fcvt_wu_d = 183,
 215     rv_op_fcvt_d_w = 184,
 216     rv_op_fcvt_d_wu = 185,
 217     rv_op_fclass_d = 186,
 218     rv_op_fcvt_l_d = 187,
 219     rv_op_fcvt_lu_d = 188,
 220     rv_op_fmv_x_d = 189,
 221     rv_op_fcvt_d_l = 190,
 222     rv_op_fcvt_d_lu = 191,
 223     rv_op_fmv_d_x = 192,
 224     rv_op_flq = 193,
 225     rv_op_fsq = 194,
 226     rv_op_fmadd_q = 195,
 227     rv_op_fmsub_q = 196,
 228     rv_op_fnmsub_q = 197,
 229     rv_op_fnmadd_q = 198,
 230     rv_op_fadd_q = 199,
 231     rv_op_fsub_q = 200,
 232     rv_op_fmul_q = 201,
 233     rv_op_fdiv_q = 202,
 234     rv_op_fsgnj_q = 203,
 235     rv_op_fsgnjn_q = 204,
 236     rv_op_fsgnjx_q = 205,
 237     rv_op_fmin_q = 206,
 238     rv_op_fmax_q = 207,
 239     rv_op_fcvt_s_q = 208,
 240     rv_op_fcvt_q_s = 209,
 241     rv_op_fcvt_d_q = 210,
 242     rv_op_fcvt_q_d = 211,
 243     rv_op_fsqrt_q = 212,
 244     rv_op_fle_q = 213,
 245     rv_op_flt_q = 214,
 246     rv_op_feq_q = 215,
 247     rv_op_fcvt_w_q = 216,
 248     rv_op_fcvt_wu_q = 217,
 249     rv_op_fcvt_q_w = 218,
 250     rv_op_fcvt_q_wu = 219,
 251     rv_op_fclass_q = 220,
 252     rv_op_fcvt_l_q = 221,
 253     rv_op_fcvt_lu_q = 222,
 254     rv_op_fcvt_q_l = 223,
 255     rv_op_fcvt_q_lu = 224,
 256     rv_op_fmv_x_q = 225,
 257     rv_op_fmv_q_x = 226,
 258     rv_op_c_addi4spn = 227,
 259     rv_op_c_fld = 228,
 260     rv_op_c_lw = 229,
 261     rv_op_c_flw = 230,
 262     rv_op_c_fsd = 231,
 263     rv_op_c_sw = 232,
 264     rv_op_c_fsw = 233,
 265     rv_op_c_nop = 234,
 266     rv_op_c_addi = 235,
 267     rv_op_c_jal = 236,
 268     rv_op_c_li = 237,
 269     rv_op_c_addi16sp = 238,
 270     rv_op_c_lui = 239,
 271     rv_op_c_srli = 240,
 272     rv_op_c_srai = 241,
 273     rv_op_c_andi = 242,
 274     rv_op_c_sub = 243,
 275     rv_op_c_xor = 244,
 276     rv_op_c_or = 245,
 277     rv_op_c_and = 246,
 278     rv_op_c_subw = 247,
 279     rv_op_c_addw = 248,
 280     rv_op_c_j = 249,
 281     rv_op_c_beqz = 250,
 282     rv_op_c_bnez = 251,
 283     rv_op_c_slli = 252,
 284     rv_op_c_fldsp = 253,
 285     rv_op_c_lwsp = 254,
 286     rv_op_c_flwsp = 255,
 287     rv_op_c_jr = 256,
 288     rv_op_c_mv = 257,
 289     rv_op_c_ebreak = 258,
 290     rv_op_c_jalr = 259,
 291     rv_op_c_add = 260,
 292     rv_op_c_fsdsp = 261,
 293     rv_op_c_swsp = 262,
 294     rv_op_c_fswsp = 263,
 295     rv_op_c_ld = 264,
 296     rv_op_c_sd = 265,
 297     rv_op_c_addiw = 266,
 298     rv_op_c_ldsp = 267,
 299     rv_op_c_sdsp = 268,
 300     rv_op_c_lq = 269,
 301     rv_op_c_sq = 270,
 302     rv_op_c_lqsp = 271,
 303     rv_op_c_sqsp = 272,
 304     rv_op_nop = 273,
 305     rv_op_mv = 274,
 306     rv_op_not = 275,
 307     rv_op_neg = 276,
 308     rv_op_negw = 277,
 309     rv_op_sext_w = 278,
 310     rv_op_seqz = 279,
 311     rv_op_snez = 280,
 312     rv_op_sltz = 281,
 313     rv_op_sgtz = 282,
 314     rv_op_fmv_s = 283,
 315     rv_op_fabs_s = 284,
 316     rv_op_fneg_s = 285,
 317     rv_op_fmv_d = 286,
 318     rv_op_fabs_d = 287,
 319     rv_op_fneg_d = 288,
 320     rv_op_fmv_q = 289,
 321     rv_op_fabs_q = 290,
 322     rv_op_fneg_q = 291,
 323     rv_op_beqz = 292,
 324     rv_op_bnez = 293,
 325     rv_op_blez = 294,
 326     rv_op_bgez = 295,
 327     rv_op_bltz = 296,
 328     rv_op_bgtz = 297,
 329     rv_op_ble = 298,
 330     rv_op_bleu = 299,
 331     rv_op_bgt = 300,
 332     rv_op_bgtu = 301,
 333     rv_op_j = 302,
 334     rv_op_ret = 303,
 335     rv_op_jr = 304,
 336     rv_op_rdcycle = 305,
 337     rv_op_rdtime = 306,
 338     rv_op_rdinstret = 307,
 339     rv_op_rdcycleh = 308,
 340     rv_op_rdtimeh = 309,
 341     rv_op_rdinstreth = 310,
 342     rv_op_frcsr = 311,
 343     rv_op_frrm = 312,
 344     rv_op_frflags = 313,
 345     rv_op_fscsr = 314,
 346     rv_op_fsrm = 315,
 347     rv_op_fsflags = 316,
 348     rv_op_fsrmi = 317,
 349     rv_op_fsflagsi = 318,
 350     rv_op_bseti = 319,
 351     rv_op_bclri = 320,
 352     rv_op_binvi = 321,
 353     rv_op_bexti = 322,
 354     rv_op_rori = 323,
 355     rv_op_clz = 324,
 356     rv_op_ctz = 325,
 357     rv_op_cpop = 326,
 358     rv_op_sext_h = 327,
 359     rv_op_sext_b = 328,
 360     rv_op_xnor = 329,
 361     rv_op_orn = 330,
 362     rv_op_andn = 331,
 363     rv_op_rol = 332,
 364     rv_op_ror = 333,
 365     rv_op_sh1add = 334,
 366     rv_op_sh2add = 335,
 367     rv_op_sh3add = 336,
 368     rv_op_sh1add_uw = 337,
 369     rv_op_sh2add_uw = 338,
 370     rv_op_sh3add_uw = 339,
 371     rv_op_clmul = 340,
 372     rv_op_clmulr = 341,
 373     rv_op_clmulh = 342,
 374     rv_op_min = 343,
 375     rv_op_minu = 344,
 376     rv_op_max = 345,
 377     rv_op_maxu = 346,
 378     rv_op_clzw = 347,
 379     rv_op_ctzw = 348,
 380     rv_op_cpopw = 349,
 381     rv_op_slli_uw = 350,
 382     rv_op_add_uw = 351,
 383     rv_op_rolw = 352,
 384     rv_op_rorw = 353,
 385     rv_op_rev8 = 354,
 386     rv_op_zext_h = 355,
 387     rv_op_roriw = 356,
 388     rv_op_orc_b = 357,
 389     rv_op_bset = 358,
 390     rv_op_bclr = 359,
 391     rv_op_binv = 360,
 392     rv_op_bext = 361,
 393     rv_op_aes32esmi = 362,
 394     rv_op_aes32esi = 363,
 395     rv_op_aes32dsmi = 364,
 396     rv_op_aes32dsi = 365,
 397     rv_op_aes64ks1i = 366,
 398     rv_op_aes64ks2 = 367,
 399     rv_op_aes64im = 368,
 400     rv_op_aes64esm = 369,
 401     rv_op_aes64es = 370,
 402     rv_op_aes64dsm = 371,
 403     rv_op_aes64ds = 372,
 404     rv_op_sha256sig0 = 373,
 405     rv_op_sha256sig1 = 374,
 406     rv_op_sha256sum0 = 375,
 407     rv_op_sha256sum1 = 376,
 408     rv_op_sha512sig0 = 377,
 409     rv_op_sha512sig1 = 378,
 410     rv_op_sha512sum0 = 379,
 411     rv_op_sha512sum1 = 380,
 412     rv_op_sha512sum0r = 381,
 413     rv_op_sha512sum1r = 382,
 414     rv_op_sha512sig0l = 383,
 415     rv_op_sha512sig0h = 384,
 416     rv_op_sha512sig1l = 385,
 417     rv_op_sha512sig1h = 386,
 418     rv_op_sm3p0 = 387,
 419     rv_op_sm3p1 = 388,
 420     rv_op_sm4ed = 389,
 421     rv_op_sm4ks = 390,
 422     rv_op_brev8 = 391,
 423     rv_op_pack = 392,
 424     rv_op_packh = 393,
 425     rv_op_packw = 394,
 426     rv_op_unzip = 395,
 427     rv_op_zip = 396,
 428     rv_op_xperm4 = 397,
 429     rv_op_xperm8 = 398,
 430     rv_op_vle8_v = 399,
 431     rv_op_vle16_v = 400,
 432     rv_op_vle32_v = 401,
 433     rv_op_vle64_v = 402,
 434     rv_op_vse8_v = 403,
 435     rv_op_vse16_v = 404,
 436     rv_op_vse32_v = 405,
 437     rv_op_vse64_v = 406,
 438     rv_op_vlm_v = 407,
 439     rv_op_vsm_v = 408,
 440     rv_op_vlse8_v = 409,
 441     rv_op_vlse16_v = 410,
 442     rv_op_vlse32_v = 411,
 443     rv_op_vlse64_v = 412,
 444     rv_op_vsse8_v = 413,
 445     rv_op_vsse16_v = 414,
 446     rv_op_vsse32_v = 415,
 447     rv_op_vsse64_v = 416,
 448     rv_op_vluxei8_v = 417,
 449     rv_op_vluxei16_v = 418,
 450     rv_op_vluxei32_v = 419,
 451     rv_op_vluxei64_v = 420,
 452     rv_op_vloxei8_v = 421,
 453     rv_op_vloxei16_v = 422,
 454     rv_op_vloxei32_v = 423,
 455     rv_op_vloxei64_v = 424,
 456     rv_op_vsuxei8_v = 425,
 457     rv_op_vsuxei16_v = 426,
 458     rv_op_vsuxei32_v = 427,
 459     rv_op_vsuxei64_v = 428,
 460     rv_op_vsoxei8_v = 429,
 461     rv_op_vsoxei16_v = 430,
 462     rv_op_vsoxei32_v = 431,
 463     rv_op_vsoxei64_v = 432,
 464     rv_op_vle8ff_v = 433,
 465     rv_op_vle16ff_v = 434,
 466     rv_op_vle32ff_v = 435,
 467     rv_op_vle64ff_v = 436,
 468     rv_op_vl1re8_v = 437,
 469     rv_op_vl1re16_v = 438,
 470     rv_op_vl1re32_v = 439,
 471     rv_op_vl1re64_v = 440,
 472     rv_op_vl2re8_v = 441,
 473     rv_op_vl2re16_v = 442,
 474     rv_op_vl2re32_v = 443,
 475     rv_op_vl2re64_v = 444,
 476     rv_op_vl4re8_v = 445,
 477     rv_op_vl4re16_v = 446,
 478     rv_op_vl4re32_v = 447,
 479     rv_op_vl4re64_v = 448,
 480     rv_op_vl8re8_v = 449,
 481     rv_op_vl8re16_v = 450,
 482     rv_op_vl8re32_v = 451,
 483     rv_op_vl8re64_v = 452,
 484     rv_op_vs1r_v = 453,
 485     rv_op_vs2r_v = 454,
 486     rv_op_vs4r_v = 455,
 487     rv_op_vs8r_v = 456,
 488     rv_op_vadd_vv = 457,
 489     rv_op_vadd_vx = 458,
 490     rv_op_vadd_vi = 459,
 491     rv_op_vsub_vv = 460,
 492     rv_op_vsub_vx = 461,
 493     rv_op_vrsub_vx = 462,
 494     rv_op_vrsub_vi = 463,
 495     rv_op_vwaddu_vv = 464,
 496     rv_op_vwaddu_vx = 465,
 497     rv_op_vwadd_vv = 466,
 498     rv_op_vwadd_vx = 467,
 499     rv_op_vwsubu_vv = 468,
 500     rv_op_vwsubu_vx = 469,
 501     rv_op_vwsub_vv = 470,
 502     rv_op_vwsub_vx = 471,
 503     rv_op_vwaddu_wv = 472,
 504     rv_op_vwaddu_wx = 473,
 505     rv_op_vwadd_wv = 474,
 506     rv_op_vwadd_wx = 475,
 507     rv_op_vwsubu_wv = 476,
 508     rv_op_vwsubu_wx = 477,
 509     rv_op_vwsub_wv = 478,
 510     rv_op_vwsub_wx = 479,
 511     rv_op_vadc_vvm = 480,
 512     rv_op_vadc_vxm = 481,
 513     rv_op_vadc_vim = 482,
 514     rv_op_vmadc_vvm = 483,
 515     rv_op_vmadc_vxm = 484,
 516     rv_op_vmadc_vim = 485,
 517     rv_op_vsbc_vvm = 486,
 518     rv_op_vsbc_vxm = 487,
 519     rv_op_vmsbc_vvm = 488,
 520     rv_op_vmsbc_vxm = 489,
 521     rv_op_vand_vv = 490,
 522     rv_op_vand_vx = 491,
 523     rv_op_vand_vi = 492,
 524     rv_op_vor_vv = 493,
 525     rv_op_vor_vx = 494,
 526     rv_op_vor_vi = 495,
 527     rv_op_vxor_vv = 496,
 528     rv_op_vxor_vx = 497,
 529     rv_op_vxor_vi = 498,
 530     rv_op_vsll_vv = 499,
 531     rv_op_vsll_vx = 500,
 532     rv_op_vsll_vi = 501,
 533     rv_op_vsrl_vv = 502,
 534     rv_op_vsrl_vx = 503,
 535     rv_op_vsrl_vi = 504,
 536     rv_op_vsra_vv = 505,
 537     rv_op_vsra_vx = 506,
 538     rv_op_vsra_vi = 507,
 539     rv_op_vnsrl_wv = 508,
 540     rv_op_vnsrl_wx = 509,
 541     rv_op_vnsrl_wi = 510,
 542     rv_op_vnsra_wv = 511,
 543     rv_op_vnsra_wx = 512,
 544     rv_op_vnsra_wi = 513,
 545     rv_op_vmseq_vv = 514,
 546     rv_op_vmseq_vx = 515,
 547     rv_op_vmseq_vi = 516,
 548     rv_op_vmsne_vv = 517,
 549     rv_op_vmsne_vx = 518,
 550     rv_op_vmsne_vi = 519,
 551     rv_op_vmsltu_vv = 520,
 552     rv_op_vmsltu_vx = 521,
 553     rv_op_vmslt_vv = 522,
 554     rv_op_vmslt_vx = 523,
 555     rv_op_vmsleu_vv = 524,
 556     rv_op_vmsleu_vx = 525,
 557     rv_op_vmsleu_vi = 526,
 558     rv_op_vmsle_vv = 527,
 559     rv_op_vmsle_vx = 528,
 560     rv_op_vmsle_vi = 529,
 561     rv_op_vmsgtu_vx = 530,
 562     rv_op_vmsgtu_vi = 531,
 563     rv_op_vmsgt_vx = 532,
 564     rv_op_vmsgt_vi = 533,
 565     rv_op_vminu_vv = 534,
 566     rv_op_vminu_vx = 535,
 567     rv_op_vmin_vv = 536,
 568     rv_op_vmin_vx = 537,
 569     rv_op_vmaxu_vv = 538,
 570     rv_op_vmaxu_vx = 539,
 571     rv_op_vmax_vv = 540,
 572     rv_op_vmax_vx = 541,
 573     rv_op_vmul_vv = 542,
 574     rv_op_vmul_vx = 543,
 575     rv_op_vmulh_vv = 544,
 576     rv_op_vmulh_vx = 545,
 577     rv_op_vmulhu_vv = 546,
 578     rv_op_vmulhu_vx = 547,
 579     rv_op_vmulhsu_vv = 548,
 580     rv_op_vmulhsu_vx = 549,
 581     rv_op_vdivu_vv = 550,
 582     rv_op_vdivu_vx = 551,
 583     rv_op_vdiv_vv = 552,
 584     rv_op_vdiv_vx = 553,
 585     rv_op_vremu_vv = 554,
 586     rv_op_vremu_vx = 555,
 587     rv_op_vrem_vv = 556,
 588     rv_op_vrem_vx = 557,
 589     rv_op_vwmulu_vv = 558,
 590     rv_op_vwmulu_vx = 559,
 591     rv_op_vwmulsu_vv = 560,
 592     rv_op_vwmulsu_vx = 561,
 593     rv_op_vwmul_vv = 562,
 594     rv_op_vwmul_vx = 563,
 595     rv_op_vmacc_vv = 564,
 596     rv_op_vmacc_vx = 565,
 597     rv_op_vnmsac_vv = 566,
 598     rv_op_vnmsac_vx = 567,
 599     rv_op_vmadd_vv = 568,
 600     rv_op_vmadd_vx = 569,
 601     rv_op_vnmsub_vv = 570,
 602     rv_op_vnmsub_vx = 571,
 603     rv_op_vwmaccu_vv = 572,
 604     rv_op_vwmaccu_vx = 573,
 605     rv_op_vwmacc_vv = 574,
 606     rv_op_vwmacc_vx = 575,
 607     rv_op_vwmaccsu_vv = 576,
 608     rv_op_vwmaccsu_vx = 577,
 609     rv_op_vwmaccus_vx = 578,
 610     rv_op_vmv_v_v = 579,
 611     rv_op_vmv_v_x = 580,
 612     rv_op_vmv_v_i = 581,
 613     rv_op_vmerge_vvm = 582,
 614     rv_op_vmerge_vxm = 583,
 615     rv_op_vmerge_vim = 584,
 616     rv_op_vsaddu_vv = 585,
 617     rv_op_vsaddu_vx = 586,
 618     rv_op_vsaddu_vi = 587,
 619     rv_op_vsadd_vv = 588,
 620     rv_op_vsadd_vx = 589,
 621     rv_op_vsadd_vi = 590,
 622     rv_op_vssubu_vv = 591,
 623     rv_op_vssubu_vx = 592,
 624     rv_op_vssub_vv = 593,
 625     rv_op_vssub_vx = 594,
 626     rv_op_vaadd_vv = 595,
 627     rv_op_vaadd_vx = 596,
 628     rv_op_vaaddu_vv = 597,
 629     rv_op_vaaddu_vx = 598,
 630     rv_op_vasub_vv = 599,
 631     rv_op_vasub_vx = 600,
 632     rv_op_vasubu_vv = 601,
 633     rv_op_vasubu_vx = 602,
 634     rv_op_vsmul_vv = 603,
 635     rv_op_vsmul_vx = 604,
 636     rv_op_vssrl_vv = 605,
 637     rv_op_vssrl_vx = 606,
 638     rv_op_vssrl_vi = 607,
 639     rv_op_vssra_vv = 608,
 640     rv_op_vssra_vx = 609,
 641     rv_op_vssra_vi = 610,
 642     rv_op_vnclipu_wv = 611,
 643     rv_op_vnclipu_wx = 612,
 644     rv_op_vnclipu_wi = 613,
 645     rv_op_vnclip_wv = 614,
 646     rv_op_vnclip_wx = 615,
 647     rv_op_vnclip_wi = 616,
 648     rv_op_vfadd_vv = 617,
 649     rv_op_vfadd_vf = 618,
 650     rv_op_vfsub_vv = 619,
 651     rv_op_vfsub_vf = 620,
 652     rv_op_vfrsub_vf = 621,
 653     rv_op_vfwadd_vv = 622,
 654     rv_op_vfwadd_vf = 623,
 655     rv_op_vfwadd_wv = 624,
 656     rv_op_vfwadd_wf = 625,
 657     rv_op_vfwsub_vv = 626,
 658     rv_op_vfwsub_vf = 627,
 659     rv_op_vfwsub_wv = 628,
 660     rv_op_vfwsub_wf = 629,
 661     rv_op_vfmul_vv = 630,
 662     rv_op_vfmul_vf = 631,
 663     rv_op_vfdiv_vv = 632,
 664     rv_op_vfdiv_vf = 633,
 665     rv_op_vfrdiv_vf = 634,
 666     rv_op_vfwmul_vv = 635,
 667     rv_op_vfwmul_vf = 636,
 668     rv_op_vfmacc_vv = 637,
 669     rv_op_vfmacc_vf = 638,
 670     rv_op_vfnmacc_vv = 639,
 671     rv_op_vfnmacc_vf = 640,
 672     rv_op_vfmsac_vv = 641,
 673     rv_op_vfmsac_vf = 642,
 674     rv_op_vfnmsac_vv = 643,
 675     rv_op_vfnmsac_vf = 644,
 676     rv_op_vfmadd_vv = 645,
 677     rv_op_vfmadd_vf = 646,
 678     rv_op_vfnmadd_vv = 647,
 679     rv_op_vfnmadd_vf = 648,
 680     rv_op_vfmsub_vv = 649,
 681     rv_op_vfmsub_vf = 650,
 682     rv_op_vfnmsub_vv = 651,
 683     rv_op_vfnmsub_vf = 652,
 684     rv_op_vfwmacc_vv = 653,
 685     rv_op_vfwmacc_vf = 654,
 686     rv_op_vfwnmacc_vv = 655,
 687     rv_op_vfwnmacc_vf = 656,
 688     rv_op_vfwmsac_vv = 657,
 689     rv_op_vfwmsac_vf = 658,
 690     rv_op_vfwnmsac_vv = 659,
 691     rv_op_vfwnmsac_vf = 660,
 692     rv_op_vfsqrt_v = 661,
 693     rv_op_vfrsqrt7_v = 662,
 694     rv_op_vfrec7_v = 663,
 695     rv_op_vfmin_vv = 664,
 696     rv_op_vfmin_vf = 665,
 697     rv_op_vfmax_vv = 666,
 698     rv_op_vfmax_vf = 667,
 699     rv_op_vfsgnj_vv = 668,
 700     rv_op_vfsgnj_vf = 669,
 701     rv_op_vfsgnjn_vv = 670,
 702     rv_op_vfsgnjn_vf = 671,
 703     rv_op_vfsgnjx_vv = 672,
 704     rv_op_vfsgnjx_vf = 673,
 705     rv_op_vfslide1up_vf = 674,
 706     rv_op_vfslide1down_vf = 675,
 707     rv_op_vmfeq_vv = 676,
 708     rv_op_vmfeq_vf = 677,
 709     rv_op_vmfne_vv = 678,
 710     rv_op_vmfne_vf = 679,
 711     rv_op_vmflt_vv = 680,
 712     rv_op_vmflt_vf = 681,
 713     rv_op_vmfle_vv = 682,
 714     rv_op_vmfle_vf = 683,
 715     rv_op_vmfgt_vf = 684,
 716     rv_op_vmfge_vf = 685,
 717     rv_op_vfclass_v = 686,
 718     rv_op_vfmerge_vfm = 687,
 719     rv_op_vfmv_v_f = 688,
 720     rv_op_vfcvt_xu_f_v = 689,
 721     rv_op_vfcvt_x_f_v = 690,
 722     rv_op_vfcvt_f_xu_v = 691,
 723     rv_op_vfcvt_f_x_v = 692,
 724     rv_op_vfcvt_rtz_xu_f_v = 693,
 725     rv_op_vfcvt_rtz_x_f_v = 694,
 726     rv_op_vfwcvt_xu_f_v = 695,
 727     rv_op_vfwcvt_x_f_v = 696,
 728     rv_op_vfwcvt_f_xu_v = 697,
 729     rv_op_vfwcvt_f_x_v = 698,
 730     rv_op_vfwcvt_f_f_v = 699,
 731     rv_op_vfwcvt_rtz_xu_f_v = 700,
 732     rv_op_vfwcvt_rtz_x_f_v = 701,
 733     rv_op_vfncvt_xu_f_w = 702,
 734     rv_op_vfncvt_x_f_w = 703,
 735     rv_op_vfncvt_f_xu_w = 704,
 736     rv_op_vfncvt_f_x_w = 705,
 737     rv_op_vfncvt_f_f_w = 706,
 738     rv_op_vfncvt_rod_f_f_w = 707,
 739     rv_op_vfncvt_rtz_xu_f_w = 708,
 740     rv_op_vfncvt_rtz_x_f_w = 709,
 741     rv_op_vredsum_vs = 710,
 742     rv_op_vredand_vs = 711,
 743     rv_op_vredor_vs = 712,
 744     rv_op_vredxor_vs = 713,
 745     rv_op_vredminu_vs = 714,
 746     rv_op_vredmin_vs = 715,
 747     rv_op_vredmaxu_vs = 716,
 748     rv_op_vredmax_vs = 717,
 749     rv_op_vwredsumu_vs = 718,
 750     rv_op_vwredsum_vs = 719,
 751     rv_op_vfredusum_vs = 720,
 752     rv_op_vfredosum_vs = 721,
 753     rv_op_vfredmin_vs = 722,
 754     rv_op_vfredmax_vs = 723,
 755     rv_op_vfwredusum_vs = 724,
 756     rv_op_vfwredosum_vs = 725,
 757     rv_op_vmand_mm = 726,
 758     rv_op_vmnand_mm = 727,
 759     rv_op_vmandn_mm = 728,
 760     rv_op_vmxor_mm = 729,
 761     rv_op_vmor_mm = 730,
 762     rv_op_vmnor_mm = 731,
 763     rv_op_vmorn_mm = 732,
 764     rv_op_vmxnor_mm = 733,
 765     rv_op_vcpop_m = 734,
 766     rv_op_vfirst_m = 735,
 767     rv_op_vmsbf_m = 736,
 768     rv_op_vmsif_m = 737,
 769     rv_op_vmsof_m = 738,
 770     rv_op_viota_m = 739,
 771     rv_op_vid_v = 740,
 772     rv_op_vmv_x_s = 741,
 773     rv_op_vmv_s_x = 742,
 774     rv_op_vfmv_f_s = 743,
 775     rv_op_vfmv_s_f = 744,
 776     rv_op_vslideup_vx = 745,
 777     rv_op_vslideup_vi = 746,
 778     rv_op_vslide1up_vx = 747,
 779     rv_op_vslidedown_vx = 748,
 780     rv_op_vslidedown_vi = 749,
 781     rv_op_vslide1down_vx = 750,
 782     rv_op_vrgather_vv = 751,
 783     rv_op_vrgatherei16_vv = 752,
 784     rv_op_vrgather_vx = 753,
 785     rv_op_vrgather_vi = 754,
 786     rv_op_vcompress_vm = 755,
 787     rv_op_vmv1r_v = 756,
 788     rv_op_vmv2r_v = 757,
 789     rv_op_vmv4r_v = 758,
 790     rv_op_vmv8r_v = 759,
 791     rv_op_vzext_vf2 = 760,
 792     rv_op_vzext_vf4 = 761,
 793     rv_op_vzext_vf8 = 762,
 794     rv_op_vsext_vf2 = 763,
 795     rv_op_vsext_vf4 = 764,
 796     rv_op_vsext_vf8 = 765,
 797     rv_op_vsetvli = 766,
 798     rv_op_vsetivli = 767,
 799     rv_op_vsetvl = 768,
 800     rv_op_c_zext_b = 769,
 801     rv_op_c_sext_b = 770,
 802     rv_op_c_zext_h = 771,
 803     rv_op_c_sext_h = 772,
 804     rv_op_c_zext_w = 773,
 805     rv_op_c_not = 774,
 806     rv_op_c_mul = 775,
 807     rv_op_c_lbu = 776,
 808     rv_op_c_lhu = 777,
 809     rv_op_c_lh = 778,
 810     rv_op_c_sb = 779,
 811     rv_op_c_sh = 780,
 812     rv_op_cm_push = 781,
 813     rv_op_cm_pop = 782,
 814     rv_op_cm_popret = 783,
 815     rv_op_cm_popretz = 784,
 816     rv_op_cm_mva01s = 785,
 817     rv_op_cm_mvsa01 = 786,
 818     rv_op_cm_jt = 787,
 819     rv_op_cm_jalt = 788,
 820     rv_op_czero_eqz = 789,
 821     rv_op_czero_nez = 790,
 822     rv_op_fcvt_bf16_s = 791,
 823     rv_op_fcvt_s_bf16 = 792,
 824     rv_op_vfncvtbf16_f_f_w = 793,
 825     rv_op_vfwcvtbf16_f_f_v = 794,
 826     rv_op_vfwmaccbf16_vv = 795,
 827     rv_op_vfwmaccbf16_vf = 796,
 828     rv_op_flh = 797,
 829     rv_op_fsh = 798,
 830     rv_op_fmv_h_x = 799,
 831     rv_op_fmv_x_h = 800,
 832     rv_op_fli_s = 801,
 833     rv_op_fli_d = 802,
 834     rv_op_fli_q = 803,
 835     rv_op_fli_h = 804,
 836     rv_op_fminm_s = 805,
 837     rv_op_fmaxm_s = 806,
 838     rv_op_fminm_d = 807,
 839     rv_op_fmaxm_d = 808,
 840     rv_op_fminm_q = 809,
 841     rv_op_fmaxm_q = 810,
 842     rv_op_fminm_h = 811,
 843     rv_op_fmaxm_h = 812,
 844     rv_op_fround_s = 813,
 845     rv_op_froundnx_s = 814,
 846     rv_op_fround_d = 815,
 847     rv_op_froundnx_d = 816,
 848     rv_op_fround_q = 817,
 849     rv_op_froundnx_q = 818,
 850     rv_op_fround_h = 819,
 851     rv_op_froundnx_h = 820,
 852     rv_op_fcvtmod_w_d = 821,
 853     rv_op_fmvh_x_d = 822,
 854     rv_op_fmvp_d_x = 823,
 855     rv_op_fmvh_x_q = 824,
 856     rv_op_fmvp_q_x = 825,
 857     rv_op_fleq_s = 826,
 858     rv_op_fltq_s = 827,
 859     rv_op_fleq_d = 828,
 860     rv_op_fltq_d = 829,
 861     rv_op_fleq_q = 830,
 862     rv_op_fltq_q = 831,
 863     rv_op_fleq_h = 832,
 864     rv_op_fltq_h = 833,
 865     rv_op_vaesdf_vv = 834,
 866     rv_op_vaesdf_vs = 835,
 867     rv_op_vaesdm_vv = 836,
 868     rv_op_vaesdm_vs = 837,
 869     rv_op_vaesef_vv = 838,
 870     rv_op_vaesef_vs = 839,
 871     rv_op_vaesem_vv = 840,
 872     rv_op_vaesem_vs = 841,
 873     rv_op_vaeskf1_vi = 842,
 874     rv_op_vaeskf2_vi = 843,
 875     rv_op_vaesz_vs = 844,
 876     rv_op_vandn_vv = 845,
 877     rv_op_vandn_vx = 846,
 878     rv_op_vbrev_v = 847,
 879     rv_op_vbrev8_v = 848,
 880     rv_op_vclmul_vv = 849,
 881     rv_op_vclmul_vx = 850,
 882     rv_op_vclmulh_vv = 851,
 883     rv_op_vclmulh_vx = 852,
 884     rv_op_vclz_v = 853,
 885     rv_op_vcpop_v = 854,
 886     rv_op_vctz_v = 855,
 887     rv_op_vghsh_vv = 856,
 888     rv_op_vgmul_vv = 857,
 889     rv_op_vrev8_v = 858,
 890     rv_op_vrol_vv = 859,
 891     rv_op_vrol_vx = 860,
 892     rv_op_vror_vv = 861,
 893     rv_op_vror_vx = 862,
 894     rv_op_vror_vi = 863,
 895     rv_op_vsha2ch_vv = 864,
 896     rv_op_vsha2cl_vv = 865,
 897     rv_op_vsha2ms_vv = 866,
 898     rv_op_vsm3c_vi = 867,
 899     rv_op_vsm3me_vv = 868,
 900     rv_op_vsm4k_vi = 869,
 901     rv_op_vsm4r_vv = 870,
 902     rv_op_vsm4r_vs = 871,
 903     rv_op_vwsll_vv = 872,
 904     rv_op_vwsll_vx = 873,
 905     rv_op_vwsll_vi = 874,
 906     rv_op_amocas_w = 875,
 907     rv_op_amocas_d = 876,
 908     rv_op_amocas_q = 877,
 909 } rv_op;
 910
 911 /* register names */
 912
 913 static const char rv_ireg_name_sym[32][5] = {
 914     "zero", "ra",   "sp",   "gp",   "tp",   "t0",   "t1",   "t2",
 915     "s0",   "s1",   "a0",   "a1",   "a2",   "a3",   "a4",   "a5",
 916     "a6",   "a7",   "s2",   "s3",   "s4",   "s5",   "s6",   "s7",
 917     "s8",   "s9",   "s10",  "s11",  "t3",   "t4",   "t5",   "t6",
 918 };
 919
 920 static const char rv_freg_name_sym[32][5] = {
 921     "ft0",  "ft1",  "ft2",  "ft3",  "ft4",  "ft5",  "ft6",  "ft7",
 922     "fs0",  "fs1",  "fa0",  "fa1",  "fa2",  "fa3",  "fa4",  "fa5",
 923     "fa6",  "fa7",  "fs2",  "fs3",  "fs4",  "fs5",  "fs6",  "fs7",
 924     "fs8",  "fs9",  "fs10", "fs11", "ft8",  "ft9",  "ft10", "ft11",
 925 };
 926
 927 static const char rv_vreg_name_sym[32][4] = {
 928     "v0",  "v1",  "v2",  "v3",  "v4",  "v5",  "v6",  "v7",
 929     "v8",  "v9",  "v10", "v11", "v12", "v13", "v14", "v15",
 930     "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
 931     "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31"
 932 };
 933
 934 /* The FLI.[HSDQ] numeric constants (0.0 for symbolic constants).
 935  * The constants use the hex floating-point literal representation
 936  * that is printed when using the printf %a format specifier,
 937  * which matches the output that is generated by the disassembler.
 938  */
 939 static const char rv_fli_name_const[32][9] =
 940 {
 941     "0x1p+0", "min", "0x1p-16", "0x1p-15",
 942     "0x1p-8", "0x1p-7", "0x1p-4", "0x1p-3",
 943     "0x1p-2", "0x1.4p-2", "0x1.8p-2", "0x1.cp-2",
 944     "0x1p-1", "0x1.4p-1", "0x1.8p-1", "0x1.cp-1",
 945     "0x1p+0", "0x1.4p+0", "0x1.8p+0", "0x1.cp+0",
 946     "0x1p+1", "0x1.4p+1", "0x1.8p+1", "0x1p+2",
 947     "0x1p+3", "0x1p+4", "0x1p+7", "0x1p+8",
 948     "0x1p+15", "0x1p+16", "inf", "nan"
 949 };
 950
 951 /* pseudo-instruction constraints */
 952
 953 static const rvc_constraint rvcc_jal[] = { rvc_rd_eq_ra, rvc_end };
 954 static const rvc_constraint rvcc_jalr[] = { rvc_rd_eq_ra, rvc_imm_eq_zero,
 955                                             rvc_end };
 956 static const rvc_constraint rvcc_nop[] = { rvc_rd_eq_x0, rvc_rs1_eq_x0,
 957                                            rvc_imm_eq_zero, rvc_end };
 958 static const rvc_constraint rvcc_mv[] = { rvc_imm_eq_zero, rvc_end };
 959 static const rvc_constraint rvcc_not[] = { rvc_imm_eq_n1, rvc_end };
 960 static const rvc_constraint rvcc_neg[] = { rvc_rs1_eq_x0, rvc_end };
 961 static const rvc_constraint rvcc_negw[] = { rvc_rs1_eq_x0, rvc_end };
 962 static const rvc_constraint rvcc_sext_w[] = { rvc_imm_eq_zero, rvc_end };
 963 static const rvc_constraint rvcc_seqz[] = { rvc_imm_eq_p1, rvc_end };
 964 static const rvc_constraint rvcc_snez[] = { rvc_rs1_eq_x0, rvc_end };
 965 static const rvc_constraint rvcc_sltz[] = { rvc_rs2_eq_x0, rvc_end };
 966 static const rvc_constraint rvcc_sgtz[] = { rvc_rs1_eq_x0, rvc_end };
 967 static const rvc_constraint rvcc_fmv_s[] = { rvc_rs2_eq_rs1, rvc_end };
 968 static const rvc_constraint rvcc_fabs_s[] = { rvc_rs2_eq_rs1, rvc_end };
 969 static const rvc_constraint rvcc_fneg_s[] = { rvc_rs2_eq_rs1, rvc_end };
 970 static const rvc_constraint rvcc_fmv_d[] = { rvc_rs2_eq_rs1, rvc_end };
 971 static const rvc_constraint rvcc_fabs_d[] = { rvc_rs2_eq_rs1, rvc_end };
 972 static const rvc_constraint rvcc_fneg_d[] = { rvc_rs2_eq_rs1, rvc_end };
 973 static const rvc_constraint rvcc_fmv_q[] = { rvc_rs2_eq_rs1, rvc_end };
 974 static const rvc_constraint rvcc_fabs_q[] = { rvc_rs2_eq_rs1, rvc_end };
 975 static const rvc_constraint rvcc_fneg_q[] = { rvc_rs2_eq_rs1, rvc_end };
 976 static const rvc_constraint rvcc_beqz[] = { rvc_rs2_eq_x0, rvc_end };
 977 static const rvc_constraint rvcc_bnez[] = { rvc_rs2_eq_x0, rvc_end };
 978 static const rvc_constraint rvcc_blez[] = { rvc_rs1_eq_x0, rvc_end };
 979 static const rvc_constraint rvcc_bgez[] = { rvc_rs2_eq_x0, rvc_end };
 980 static const rvc_constraint rvcc_bltz[] = { rvc_rs2_eq_x0, rvc_end };
 981 static const rvc_constraint rvcc_bgtz[] = { rvc_rs1_eq_x0, rvc_end };
 982 static const rvc_constraint rvcc_ble[] = { rvc_end };
 983 static const rvc_constraint rvcc_bleu[] = { rvc_end };
 984 static const rvc_constraint rvcc_bgt[] = { rvc_end };
 985 static const rvc_constraint rvcc_bgtu[] = { rvc_end };
 986 static const rvc_constraint rvcc_j[] = { rvc_rd_eq_x0, rvc_end };
 987 static const rvc_constraint rvcc_ret[] = { rvc_rd_eq_x0, rvc_rs1_eq_ra,
 988                                            rvc_end };
 989 static const rvc_constraint rvcc_jr[] = { rvc_rd_eq_x0, rvc_imm_eq_zero,
 990                                           rvc_end };
 991 static const rvc_constraint rvcc_rdcycle[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc00,
 992                                                rvc_end };
 993 static const rvc_constraint rvcc_rdtime[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc01,
 994                                               rvc_end };
 995 static const rvc_constraint rvcc_rdinstret[] = { rvc_rs1_eq_x0,
 996                                                  rvc_csr_eq_0xc02, rvc_end };
 997 static const rvc_constraint rvcc_rdcycleh[] = { rvc_rs1_eq_x0,
 998                                                 rvc_csr_eq_0xc80, rvc_end };
 999 static const rvc_constraint rvcc_rdtimeh[] = { rvc_rs1_eq_x0, rvc_csr_eq_0xc81,
1000                                                rvc_end };
1001 static const rvc_constraint rvcc_rdinstreth[] = { rvc_rs1_eq_x0,
1002                                                   rvc_csr_eq_0xc82, rvc_end };
1003 static const rvc_constraint rvcc_frcsr[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x003,
1004                                              rvc_end };
1005 static const rvc_constraint rvcc_frrm[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x002,
1006                                             rvc_end };
1007 static const rvc_constraint rvcc_frflags[] = { rvc_rs1_eq_x0, rvc_csr_eq_0x001,
1008                                                rvc_end };
1009 static const rvc_constraint rvcc_fscsr[] = { rvc_csr_eq_0x003, rvc_end };
1010 static const rvc_constraint rvcc_fsrm[] = { rvc_csr_eq_0x002, rvc_end };
1011 static const rvc_constraint rvcc_fsflags[] = { rvc_csr_eq_0x001, rvc_end };
1012 static const rvc_constraint rvcc_fsrmi[] = { rvc_csr_eq_0x002, rvc_end };
1013 static const rvc_constraint rvcc_fsflagsi[] = { rvc_csr_eq_0x001, rvc_end };
1014
1015 /* pseudo-instruction metadata */
1016
1017 static const rv_comp_data rvcp_jal[] = {
1018     { rv_op_j, rvcc_j },
1019     { rv_op_jal, rvcc_jal },
1020     { rv_op_illegal, NULL }
1021 };
1022
1023 static const rv_comp_data rvcp_jalr[] = {
1024     { rv_op_ret, rvcc_ret },
1025     { rv_op_jr, rvcc_jr },
1026     { rv_op_jalr, rvcc_jalr },
1027     { rv_op_illegal, NULL }
1028 };
1029
1030 static const rv_comp_data rvcp_beq[] = {
1031     { rv_op_beqz, rvcc_beqz },
1032     { rv_op_illegal, NULL }
1033 };
1034
1035 static const rv_comp_data rvcp_bne[] = {
1036     { rv_op_bnez, rvcc_bnez },
1037     { rv_op_illegal, NULL }
1038 };
1039
1040 static const rv_comp_data rvcp_blt[] = {
1041     { rv_op_bltz, rvcc_bltz },
1042     { rv_op_bgtz, rvcc_bgtz },
1043     { rv_op_bgt, rvcc_bgt },
1044     { rv_op_illegal, NULL }
1045 };
1046
1047 static const rv_comp_data rvcp_bge[] = {
1048     { rv_op_blez, rvcc_blez },
1049     { rv_op_bgez, rvcc_bgez },
1050     { rv_op_ble, rvcc_ble },
1051     { rv_op_illegal, NULL }
1052 };
1053
1054 static const rv_comp_data rvcp_bltu[] = {
1055     { rv_op_bgtu, rvcc_bgtu },
1056     { rv_op_illegal, NULL }
1057 };
1058
1059 static const rv_comp_data rvcp_bgeu[] = {
1060     { rv_op_bleu, rvcc_bleu },
1061     { rv_op_illegal, NULL }
1062 };
1063
1064 static const rv_comp_data rvcp_addi[] = {
1065     { rv_op_nop, rvcc_nop },
1066     { rv_op_mv, rvcc_mv },
1067     { rv_op_illegal, NULL }
1068 };
1069
1070 static const rv_comp_data rvcp_sltiu[] = {
1071     { rv_op_seqz, rvcc_seqz },
1072     { rv_op_illegal, NULL }
1073 };
1074
1075 static const rv_comp_data rvcp_xori[] = {
1076     { rv_op_not, rvcc_not },
1077     { rv_op_illegal, NULL }
1078 };
1079
1080 static const rv_comp_data rvcp_sub[] = {
1081     { rv_op_neg, rvcc_neg },
1082     { rv_op_illegal, NULL }
1083 };
1084
1085 static const rv_comp_data rvcp_slt[] = {
1086     { rv_op_sltz, rvcc_sltz },
1087     { rv_op_sgtz, rvcc_sgtz },
1088     { rv_op_illegal, NULL }
1089 };
1090
1091 static const rv_comp_data rvcp_sltu[] = {
1092     { rv_op_snez, rvcc_snez },
1093     { rv_op_illegal, NULL }
1094 };
1095
1096 static const rv_comp_data rvcp_addiw[] = {
1097     { rv_op_sext_w, rvcc_sext_w },
1098     { rv_op_illegal, NULL }
1099 };
1100
1101 static const rv_comp_data rvcp_subw[] = {
1102     { rv_op_negw, rvcc_negw },
1103     { rv_op_illegal, NULL }
1104 };
1105
1106 static const rv_comp_data rvcp_csrrw[] = {
1107     { rv_op_fscsr, rvcc_fscsr },
1108     { rv_op_fsrm, rvcc_fsrm },
1109     { rv_op_fsflags, rvcc_fsflags },
1110     { rv_op_illegal, NULL }
1111 };
1112
1113
1114 static const rv_comp_data rvcp_csrrs[] = {
1115     { rv_op_rdcycle, rvcc_rdcycle },
1116     { rv_op_rdtime, rvcc_rdtime },
1117     { rv_op_rdinstret, rvcc_rdinstret },
1118     { rv_op_rdcycleh, rvcc_rdcycleh },
1119     { rv_op_rdtimeh, rvcc_rdtimeh },
1120     { rv_op_rdinstreth, rvcc_rdinstreth },
1121     { rv_op_frcsr, rvcc_frcsr },
1122     { rv_op_frrm, rvcc_frrm },
1123     { rv_op_frflags, rvcc_frflags },
1124     { rv_op_illegal, NULL }
1125 };
1126
1127 static const rv_comp_data rvcp_csrrwi[] = {
1128     { rv_op_fsrmi, rvcc_fsrmi },
1129     { rv_op_fsflagsi, rvcc_fsflagsi },
1130     { rv_op_illegal, NULL }
1131 };
1132
1133 static const rv_comp_data rvcp_fsgnj_s[] = {
1134     { rv_op_fmv_s, rvcc_fmv_s },
1135     { rv_op_illegal, NULL }
1136 };
1137
1138 static const rv_comp_data rvcp_fsgnjn_s[] = {
1139     { rv_op_fneg_s, rvcc_fneg_s },
1140     { rv_op_illegal, NULL }
1141 };
1142
1143 static const rv_comp_data rvcp_fsgnjx_s[] = {
1144     { rv_op_fabs_s, rvcc_fabs_s },
1145     { rv_op_illegal, NULL }
1146 };
1147
1148 static const rv_comp_data rvcp_fsgnj_d[] = {
1149     { rv_op_fmv_d, rvcc_fmv_d },
1150     { rv_op_illegal, NULL }
1151 };
1152
1153 static const rv_comp_data rvcp_fsgnjn_d[] = {
1154     { rv_op_fneg_d, rvcc_fneg_d },
1155     { rv_op_illegal, NULL }
1156 };
1157
1158 static const rv_comp_data rvcp_fsgnjx_d[] = {
1159     { rv_op_fabs_d, rvcc_fabs_d },
1160     { rv_op_illegal, NULL }
1161 };
1162
1163 static const rv_comp_data rvcp_fsgnj_q[] = {
1164     { rv_op_fmv_q, rvcc_fmv_q },
1165     { rv_op_illegal, NULL }
1166 };
1167
1168 static const rv_comp_data rvcp_fsgnjn_q[] = {
1169     { rv_op_fneg_q, rvcc_fneg_q },
1170     { rv_op_illegal, NULL }
1171 };
1172
1173 static const rv_comp_data rvcp_fsgnjx_q[] = {
1174     { rv_op_fabs_q, rvcc_fabs_q },
1175     { rv_op_illegal, NULL }
1176 };
1177
1178 /* instruction metadata */
1179
1180 const rv_opcode_data rvi_opcode_data[] = {
1181     { "illegal", rv_codec_illegal, rv_fmt_none, NULL, 0, 0, 0 },
1182     { "lui", rv_codec_u, rv_fmt_rd_uimm, NULL, 0, 0, 0 },
1183     { "auipc", rv_codec_u, rv_fmt_rd_uoffset, NULL, 0, 0, 0 },
1184     { "jal", rv_codec_uj, rv_fmt_rd_offset, rvcp_jal, 0, 0, 0 },
1185     { "jalr", rv_codec_i, rv_fmt_rd_rs1_offset, rvcp_jalr, 0, 0, 0 },
1186     { "beq", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_beq, 0, 0, 0 },
1187     { "bne", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bne, 0, 0, 0 },
1188     { "blt", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_blt, 0, 0, 0 },
1189     { "bge", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bge, 0, 0, 0 },
1190     { "bltu", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bltu, 0, 0, 0 },
1191     { "bgeu", rv_codec_sb, rv_fmt_rs1_rs2_offset, rvcp_bgeu, 0, 0, 0 },
1192     { "lb", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1193     { "lh", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1194     { "lw", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1195     { "lbu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1196     { "lhu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1197     { "sb", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1198     { "sh", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1199     { "sw", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1200     { "addi", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_addi, 0, 0, 0 },
1201     { "slti", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1202     { "sltiu", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_sltiu, 0, 0, 0 },
1203     { "xori", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_xori, 0, 0, 0 },
1204     { "ori", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1205     { "andi", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1206     { "slli", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1207     { "srli", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1208     { "srai", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1209     { "add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1210     { "sub", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_sub, 0, 0, 0 },
1211     { "sll", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1212     { "slt", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_slt, 0, 0, 0 },
1213     { "sltu", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_sltu, 0, 0, 0 },
1214     { "xor", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1215     { "srl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1216     { "sra", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1217     { "or", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1218     { "and", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1219     { "fence", rv_codec_r_f, rv_fmt_pred_succ, NULL, 0, 0, 0 },
1220     { "fence.i", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1221     { "lwu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1222     { "ld", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1223     { "sd", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1224     { "addiw", rv_codec_i, rv_fmt_rd_rs1_imm, rvcp_addiw, 0, 0, 0 },
1225     { "slliw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1226     { "srliw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1227     { "sraiw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1228     { "addw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1229     { "subw", rv_codec_r, rv_fmt_rd_rs1_rs2, rvcp_subw, 0, 0, 0 },
1230     { "sllw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1231     { "srlw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1232     { "sraw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1233     { "ldu", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1234     { "lq", rv_codec_i, rv_fmt_rd_offset_rs1, NULL, 0, 0, 0 },
1235     { "sq", rv_codec_s, rv_fmt_rs2_offset_rs1, NULL, 0, 0, 0 },
1236     { "addid", rv_codec_i, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1237     { "sllid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1238     { "srlid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1239     { "sraid", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1240     { "addd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1241     { "subd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1242     { "slld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1243     { "srld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1244     { "srad", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1245     { "mul", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1246     { "mulh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1247     { "mulhsu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1248     { "mulhu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1249     { "div", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1250     { "divu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1251     { "rem", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1252     { "remu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1253     { "mulw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1254     { "divw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1255     { "divuw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1256     { "remw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1257     { "remuw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1258     { "muld", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1259     { "divd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1260     { "divud", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1261     { "remd", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1262     { "remud", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1263     { "lr.w", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1264     { "sc.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1265     { "amoswap.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1266     { "amoadd.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1267     { "amoxor.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1268     { "amoor.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1269     { "amoand.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1270     { "amomin.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1271     { "amomax.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1272     { "amominu.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1273     { "amomaxu.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1274     { "lr.d", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1275     { "sc.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1276     { "amoswap.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1277     { "amoadd.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1278     { "amoxor.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1279     { "amoor.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1280     { "amoand.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1281     { "amomin.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1282     { "amomax.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1283     { "amominu.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1284     { "amomaxu.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1285     { "lr.q", rv_codec_r_l, rv_fmt_aqrl_rd_rs1, NULL, 0, 0, 0 },
1286     { "sc.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1287     { "amoswap.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1288     { "amoadd.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1289     { "amoxor.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1290     { "amoor.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1291     { "amoand.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1292     { "amomin.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1293     { "amomax.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1294     { "amominu.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1295     { "amomaxu.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
1296     { "ecall", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1297     { "ebreak", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1298     { "uret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1299     { "sret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1300     { "hret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1301     { "mret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1302     { "dret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1303     { "sfence.vm", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 },
1304     { "sfence.vma", rv_codec_r, rv_fmt_rs1_rs2, NULL, 0, 0, 0 },
1305     { "wfi", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 },
1306     { "csrrw", rv_codec_i_csr, rv_fmt_rd_csr_rs1, rvcp_csrrw, 0, 0, 0 },
1307     { "csrrs", rv_codec_i_csr, rv_fmt_rd_csr_rs1, rvcp_csrrs, 0, 0, 0 },
1308     { "csrrc", rv_codec_i_csr, rv_fmt_rd_csr_rs1, NULL, 0, 0, 0 },
1309     { "csrrwi", rv_codec_i_csr, rv_fmt_rd_csr_zimm, rvcp_csrrwi, 0, 0, 0 },
1310     { "csrrsi", rv_codec_i_csr, rv_fmt_rd_csr_zimm, NULL, 0, 0, 0 },
1311     { "csrrci", rv_codec_i_csr, rv_fmt_rd_csr_zimm, NULL, 0, 0, 0 },
1312     { "flw", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1313     { "fsw", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1314     { "fmadd.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1315     { "fmsub.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1316     { "fnmsub.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1317     { "fnmadd.s", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1318     { "fadd.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1319     { "fsub.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1320     { "fmul.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1321     { "fdiv.s", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1322     { "fsgnj.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_s, 0, 0, 0 },
1323     { "fsgnjn.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_s, 0, 0, 0 },
1324     { "fsgnjx.s", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_s, 0, 0, 0 },
1325     { "fmin.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1326     { "fmax.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1327     { "fsqrt.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1328     { "fle.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1329     { "flt.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1330     { "feq.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1331     { "fcvt.w.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1332     { "fcvt.wu.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1333     { "fcvt.s.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1334     { "fcvt.s.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1335     { "fmv.x.s", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1336     { "fclass.s", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1337     { "fmv.s.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1338     { "fcvt.l.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1339     { "fcvt.lu.s", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1340     { "fcvt.s.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1341     { "fcvt.s.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1342     { "fld", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1343     { "fsd", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1344     { "fmadd.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1345     { "fmsub.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1346     { "fnmsub.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1347     { "fnmadd.d", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1348     { "fadd.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1349     { "fsub.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1350     { "fmul.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1351     { "fdiv.d", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1352     { "fsgnj.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_d, 0, 0, 0 },
1353     { "fsgnjn.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_d, 0, 0, 0 },
1354     { "fsgnjx.d", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_d, 0, 0, 0 },
1355     { "fmin.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1356     { "fmax.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1357     { "fcvt.s.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1358     { "fcvt.d.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1359     { "fsqrt.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1360     { "fle.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1361     { "flt.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1362     { "feq.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1363     { "fcvt.w.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1364     { "fcvt.wu.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1365     { "fcvt.d.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1366     { "fcvt.d.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1367     { "fclass.d", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1368     { "fcvt.l.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1369     { "fcvt.lu.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1370     { "fmv.x.d", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1371     { "fcvt.d.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1372     { "fcvt.d.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1373     { "fmv.d.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1374     { "flq", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
1375     { "fsq", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
1376     { "fmadd.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1377     { "fmsub.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1378     { "fnmsub.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1379     { "fnmadd.q", rv_codec_r4_m, rv_fmt_rm_frd_frs1_frs2_frs3, NULL, 0, 0, 0 },
1380     { "fadd.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1381     { "fsub.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1382     { "fmul.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1383     { "fdiv.q", rv_codec_r_m, rv_fmt_rm_frd_frs1_frs2, NULL, 0, 0, 0 },
1384     { "fsgnj.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnj_q, 0, 0, 0 },
1385     { "fsgnjn.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjn_q, 0, 0, 0 },
1386     { "fsgnjx.q", rv_codec_r, rv_fmt_frd_frs1_frs2, rvcp_fsgnjx_q, 0, 0, 0 },
1387     { "fmin.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1388     { "fmax.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
1389     { "fcvt.s.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1390     { "fcvt.q.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1391     { "fcvt.d.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1392     { "fcvt.q.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1393     { "fsqrt.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
1394     { "fle.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1395     { "flt.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1396     { "feq.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
1397     { "fcvt.w.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1398     { "fcvt.wu.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1399     { "fcvt.q.w", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1400     { "fcvt.q.wu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1401     { "fclass.q", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1402     { "fcvt.l.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1403     { "fcvt.lu.q", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
1404     { "fcvt.q.l", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1405     { "fcvt.q.lu", rv_codec_r_m, rv_fmt_rm_frd_rs1, NULL, 0, 0, 0 },
1406     { "fmv.x.q", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
1407     { "fmv.q.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
1408     { "c.addi4spn", rv_codec_ciw_4spn, rv_fmt_rd_rs1_imm, NULL, rv_op_addi,
1409       rv_op_addi, rv_op_addi, rvcd_imm_nz },
1410     { "c.fld", rv_codec_cl_ld, rv_fmt_frd_offset_rs1, NULL, rv_op_fld,
1411       rv_op_fld, 0 },
1412     { "c.lw", rv_codec_cl_lw, rv_fmt_rd_offset_rs1, NULL, rv_op_lw, rv_op_lw,
1413       rv_op_lw },
1414     { "c.flw", rv_codec_cl_lw, rv_fmt_frd_offset_rs1, NULL, rv_op_flw, 0, 0 },
1415     { "c.fsd", rv_codec_cs_sd, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd,
1416       rv_op_fsd, 0 },
1417     { "c.sw", rv_codec_cs_sw, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw, rv_op_sw,
1418       rv_op_sw },
1419     { "c.fsw", rv_codec_cs_sw, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsw, 0, 0 },
1420     { "c.nop", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_addi, rv_op_addi,
1421       rv_op_addi },
1422     { "c.addi", rv_codec_ci, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi,
1423       rv_op_addi, rvcd_imm_nz },
1424     { "c.jal", rv_codec_cj_jal, rv_fmt_rd_offset, NULL, rv_op_jal, 0, 0 },
1425     { "c.li", rv_codec_ci_li, rv_fmt_rd_rs1_imm, NULL, rv_op_addi, rv_op_addi,
1426       rv_op_addi },
1427     { "c.addi16sp", rv_codec_ci_16sp, rv_fmt_rd_rs1_imm, NULL, rv_op_addi,
1428       rv_op_addi, rv_op_addi, rvcd_imm_nz },
1429     { "c.lui", rv_codec_ci_lui, rv_fmt_rd_uimm, NULL, rv_op_lui, rv_op_lui,
1430       rv_op_lui, rvcd_imm_nz },
1431     { "c.srli", rv_codec_cb_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_srli,
1432       rv_op_srli, rv_op_srli, rvcd_imm_nz },
1433     { "c.srai", rv_codec_cb_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_srai,
1434       rv_op_srai, rv_op_srai, rvcd_imm_nz },
1435     { "c.andi", rv_codec_cb_imm, rv_fmt_rd_rs1_imm, NULL, rv_op_andi,
1436       rv_op_andi, rv_op_andi },
1437     { "c.sub", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_sub, rv_op_sub,
1438       rv_op_sub },
1439     { "c.xor", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_xor, rv_op_xor,
1440       rv_op_xor },
1441     { "c.or", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_or, rv_op_or,
1442       rv_op_or },
1443     { "c.and", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_and, rv_op_and,
1444       rv_op_and },
1445     { "c.subw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_subw, rv_op_subw,
1446       rv_op_subw },
1447     { "c.addw", rv_codec_cs, rv_fmt_rd_rs1_rs2, NULL, rv_op_addw, rv_op_addw,
1448       rv_op_addw },
1449     { "c.j", rv_codec_cj, rv_fmt_rd_offset, NULL, rv_op_jal, rv_op_jal,
1450       rv_op_jal },
1451     { "c.beqz", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_beq, rv_op_beq,
1452       rv_op_beq },
1453     { "c.bnez", rv_codec_cb, rv_fmt_rs1_rs2_offset, NULL, rv_op_bne, rv_op_bne,
1454       rv_op_bne },
1455     { "c.slli", rv_codec_ci_sh6, rv_fmt_rd_rs1_imm, NULL, rv_op_slli,
1456       rv_op_slli, rv_op_slli, rvcd_imm_nz },
1457     { "c.fldsp", rv_codec_ci_ldsp, rv_fmt_frd_offset_rs1, NULL, rv_op_fld,
1458       rv_op_fld, rv_op_fld },
1459     { "c.lwsp", rv_codec_ci_lwsp, rv_fmt_rd_offset_rs1, NULL, rv_op_lw,
1460       rv_op_lw, rv_op_lw },
1461     { "c.flwsp", rv_codec_ci_lwsp, rv_fmt_frd_offset_rs1, NULL, rv_op_flw, 0,
1462       0 },
1463     { "c.jr", rv_codec_cr_jr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr,
1464       rv_op_jalr, rv_op_jalr },
1465     { "c.mv", rv_codec_cr_mv, rv_fmt_rd_rs1_rs2, NULL, rv_op_addi, rv_op_addi,
1466       rv_op_addi },
1467     { "c.ebreak", rv_codec_ci_none, rv_fmt_none, NULL, rv_op_ebreak,
1468       rv_op_ebreak, rv_op_ebreak },
1469     { "c.jalr", rv_codec_cr_jalr, rv_fmt_rd_rs1_offset, NULL, rv_op_jalr,
1470       rv_op_jalr, rv_op_jalr },
1471     { "c.add", rv_codec_cr, rv_fmt_rd_rs1_rs2, NULL, rv_op_add, rv_op_add,
1472       rv_op_add },
1473     { "c.fsdsp", rv_codec_css_sdsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsd,
1474       rv_op_fsd, rv_op_fsd },
1475     { "c.swsp", rv_codec_css_swsp, rv_fmt_rs2_offset_rs1, NULL, rv_op_sw,
1476       rv_op_sw, rv_op_sw },
1477     { "c.fswsp", rv_codec_css_swsp, rv_fmt_frs2_offset_rs1, NULL, rv_op_fsw, 0,
1478       0 },
1479     { "c.ld", rv_codec_cl_ld, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld,
1480       rv_op_ld },
1481     { "c.sd", rv_codec_cs_sd, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd,
1482       rv_op_sd },
1483     { "c.addiw", rv_codec_ci, rv_fmt_rd_rs1_imm, NULL, 0, rv_op_addiw,
1484       rv_op_addiw },
1485     { "c.ldsp", rv_codec_ci_ldsp, rv_fmt_rd_offset_rs1, NULL, 0, rv_op_ld,
1486       rv_op_ld },
1487     { "c.sdsp", rv_codec_css_sdsp, rv_fmt_rs2_offset_rs1, NULL, 0, rv_op_sd,
1488       rv_op_sd },
1489     { "c.lq", rv_codec_cl_lq, rv_fmt_rd_offset_rs1, NULL, 0, 0, rv_op_lq },
1490     { "c.sq", rv_codec_cs_sq, rv_fmt_rs2_offset_rs1, NULL, 0, 0, rv_op_sq },
1491     { "c.lqsp", rv_codec_ci_lqsp, rv_fmt_rd_offset_rs1, NULL, 0, 0, rv_op_lq },
1492     { "c.sqsp", rv_codec_css_sqsp, rv_fmt_rs2_offset_rs1, NULL, 0, 0,
1493       rv_op_sq },
1494     { "nop", rv_codec_i, rv_fmt_none, NULL, 0, 0, 0 },
1495     { "mv", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1496     { "not", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1497     { "neg", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1498     { "negw", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1499     { "sext.w", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1500     { "seqz", rv_codec_i, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1501     { "snez", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1502     { "sltz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1503     { "sgtz", rv_codec_r, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
1504     { "fmv.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1505     { "fabs.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1506     { "fneg.s", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1507     { "fmv.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1508     { "fabs.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1509     { "fneg.d", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1510     { "fmv.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1511     { "fabs.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1512     { "fneg.q", rv_codec_r, rv_fmt_frd_frs1, NULL, 0, 0, 0 },
1513     { "beqz", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1514     { "bnez", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1515     { "blez", rv_codec_sb, rv_fmt_rs2_offset, NULL, 0, 0, 0 },
1516     { "bgez", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1517     { "bltz", rv_codec_sb, rv_fmt_rs1_offset, NULL, 0, 0, 0 },
1518     { "bgtz", rv_codec_sb, rv_fmt_rs2_offset, NULL, 0, 0, 0 },
1519     { "ble", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1520     { "bleu", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1521     { "bgt", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1522     { "bgtu", rv_codec_sb, rv_fmt_rs2_rs1_offset, NULL, 0, 0, 0 },
1523     { "j", rv_codec_uj, rv_fmt_offset, NULL, 0, 0, 0 },
1524     { "ret", rv_codec_i, rv_fmt_none, NULL, 0, 0, 0 },
1525     { "jr", rv_codec_i, rv_fmt_rs1, NULL, 0, 0, 0 },
1526     { "rdcycle", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1527     { "rdtime", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1528     { "rdinstret", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1529     { "rdcycleh", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1530     { "rdtimeh", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1531     { "rdinstreth", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1532     { "frcsr", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1533     { "frrm", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1534     { "frflags", rv_codec_i_csr, rv_fmt_rd, NULL, 0, 0, 0 },
1535     { "fscsr", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1536     { "fsrm", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1537     { "fsflags", rv_codec_i_csr, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1538     { "fsrmi", rv_codec_i_csr, rv_fmt_rd_zimm, NULL, 0, 0, 0 },
1539     { "fsflagsi", rv_codec_i_csr, rv_fmt_rd_zimm, NULL, 0, 0, 0 },
1540     { "bseti", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1541     { "bclri", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1542     { "binvi", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1543     { "bexti", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1544     { "rori", rv_codec_i_sh7, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1545     { "clz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1546     { "ctz", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1547     { "cpop", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1548     { "sext.h", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1549     { "sext.b", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1550     { "xnor", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1551     { "orn", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1552     { "andn", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1553     { "rol", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1554     { "ror", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1555     { "sh1add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1556     { "sh2add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1557     { "sh3add", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1558     { "sh1add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1559     { "sh2add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1560     { "sh3add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1561     { "clmul", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1562     { "clmulr", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1563     { "clmulh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1564     { "min", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1565     { "minu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1566     { "max", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1567     { "maxu", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1568     { "clzw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1569     { "ctzw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1570     { "cpopw", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1571     { "slli.uw", rv_codec_i_sh6, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1572     { "add.uw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1573     { "rolw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1574     { "rorw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1575     { "rev8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1576     { "zext.h", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1577     { "roriw", rv_codec_i_sh5, rv_fmt_rd_rs1_imm, NULL, 0, 0, 0 },
1578     { "orc.b", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1579     { "bset", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1580     { "bclr", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1581     { "binv", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1582     { "bext", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1583     { "aes32esmi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1584     { "aes32esi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1585     { "aes32dsmi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1586     { "aes32dsi", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1587     { "aes64ks1i", rv_codec_k_rnum,  rv_fmt_rd_rs1_rnum, NULL, 0, 0, 0 },
1588     { "aes64ks2", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1589     { "aes64im", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1590     { "aes64esm", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1591     { "aes64es", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1592     { "aes64dsm", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1593     { "aes64ds", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1594     { "sha256sig0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1595     { "sha256sig1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1596     { "sha256sum0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1597     { "sha256sum1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1598     { "sha512sig0", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1599     { "sha512sig1", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1600     { "sha512sum0", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1601     { "sha512sum1", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1602     { "sha512sum0r", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1603     { "sha512sum1r", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1604     { "sha512sig0l", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1605     { "sha512sig0h", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1606     { "sha512sig1l", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1607     { "sha512sig1h", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1608     { "sm3p0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1609     { "sm3p1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 },
1610     { "sm4ed", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1611     { "sm4ks", rv_codec_k_bs, rv_fmt_rs1_rs2_bs, NULL, 0, 0, 0 },
1612     { "brev8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1613     { "pack", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1614     { "packh", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1615     { "packw", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1616     { "unzip", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1617     { "zip", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1618     { "xperm4", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1619     { "xperm8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0, 0 },
1620     { "vle8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1621     { "vle16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1622     { "vle32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1623     { "vle64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1624     { "vse8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1625     { "vse16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1626     { "vse32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1627     { "vse64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1628     { "vlm.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1629     { "vsm.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1630     { "vlse8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1631     { "vlse16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1632     { "vlse32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1633     { "vlse64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1634     { "vsse8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1635     { "vsse16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1636     { "vsse32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1637     { "vsse64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_rs2_vm, NULL, 0, 0, 0 },
1638     { "vluxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1639     { "vluxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1640     { "vluxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1641     { "vluxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1642     { "vloxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1643     { "vloxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1644     { "vloxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1645     { "vloxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1646     { "vsuxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1647     { "vsuxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1648     { "vsuxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1649     { "vsuxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1650     { "vsoxei8.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1651     { "vsoxei16.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1652     { "vsoxei32.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1653     { "vsoxei64.v", rv_codec_v_r, rv_fmt_ldst_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1654     { "vle8ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1655     { "vle16ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1656     { "vle32ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1657     { "vle64ff.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1658     { "vl1re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1659     { "vl1re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1660     { "vl1re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1661     { "vl1re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1662     { "vl2re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1663     { "vl2re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1664     { "vl2re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1665     { "vl2re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1666     { "vl4re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1667     { "vl4re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1668     { "vl4re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1669     { "vl4re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1670     { "vl8re8.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1671     { "vl8re16.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1672     { "vl8re32.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1673     { "vl8re64.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1674     { "vs1r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1675     { "vs2r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1676     { "vs4r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1677     { "vs8r.v", rv_codec_v_ldst, rv_fmt_ldst_vd_rs1_vm, NULL, 0, 0, 0 },
1678     { "vadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1679     { "vadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1680     { "vadd.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1681     { "vsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1682     { "vsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1683     { "vrsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1684     { "vrsub.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1685     { "vwaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1686     { "vwaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1687     { "vwadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1688     { "vwadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1689     { "vwsubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1690     { "vwsubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1691     { "vwsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1692     { "vwsub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1693     { "vwaddu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1694     { "vwaddu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1695     { "vwadd.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1696     { "vwadd.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1697     { "vwsubu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1698     { "vwsubu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1699     { "vwsub.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1700     { "vwsub.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1701     { "vadc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1702     { "vadc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1703     { "vadc.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, 0, 0, 0 },
1704     { "vmadc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1705     { "vmadc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1706     { "vmadc.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, 0, 0, 0 },
1707     { "vsbc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1708     { "vsbc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1709     { "vmsbc.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1710     { "vmsbc.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1711     { "vand.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1712     { "vand.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1713     { "vand.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1714     { "vor.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1715     { "vor.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1716     { "vor.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1717     { "vxor.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1718     { "vxor.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1719     { "vxor.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1720     { "vsll.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1721     { "vsll.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1722     { "vsll.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1723     { "vsrl.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1724     { "vsrl.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1725     { "vsrl.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1726     { "vsra.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1727     { "vsra.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1728     { "vsra.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1729     { "vnsrl.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1730     { "vnsrl.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1731     { "vnsrl.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1732     { "vnsra.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1733     { "vnsra.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1734     { "vnsra.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1735     { "vmseq.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1736     { "vmseq.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1737     { "vmseq.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1738     { "vmsne.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1739     { "vmsne.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1740     { "vmsne.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1741     { "vmsltu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1742     { "vmsltu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1743     { "vmslt.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1744     { "vmslt.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1745     { "vmsleu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1746     { "vmsleu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1747     { "vmsleu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1748     { "vmsle.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1749     { "vmsle.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1750     { "vmsle.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1751     { "vmsgtu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1752     { "vmsgtu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1753     { "vmsgt.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1754     { "vmsgt.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1755     { "vminu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1756     { "vminu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1757     { "vmin.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1758     { "vmin.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1759     { "vmaxu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1760     { "vmaxu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1761     { "vmax.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1762     { "vmax.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1763     { "vmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1764     { "vmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1765     { "vmulh.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1766     { "vmulh.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1767     { "vmulhu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1768     { "vmulhu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1769     { "vmulhsu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1770     { "vmulhsu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1771     { "vdivu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1772     { "vdivu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1773     { "vdiv.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1774     { "vdiv.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1775     { "vremu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1776     { "vremu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1777     { "vrem.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1778     { "vrem.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1779     { "vwmulu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1780     { "vwmulu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1781     { "vwmulsu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1782     { "vwmulsu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1783     { "vwmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1784     { "vwmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1785     { "vmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1786     { "vmacc.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1787     { "vnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1788     { "vnmsac.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1789     { "vmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1790     { "vmadd.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1791     { "vnmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1792     { "vnmsub.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1793     { "vwmaccu.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1794     { "vwmaccu.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1795     { "vwmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1796     { "vwmacc.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1797     { "vwmaccsu.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1798     { "vwmaccsu.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1799     { "vwmaccus.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 },
1800     { "vmv.v.v", rv_codec_v_r, rv_fmt_vd_vs1, NULL, 0, 0, 0 },
1801     { "vmv.v.x", rv_codec_v_r, rv_fmt_vd_rs1, NULL, 0, 0, 0 },
1802     { "vmv.v.i", rv_codec_v_i, rv_fmt_vd_imm, NULL, 0, 0, 0 },
1803     { "vmerge.vvm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vl, NULL, 0, 0, 0 },
1804     { "vmerge.vxm", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vl, NULL, 0, 0, 0 },
1805     { "vmerge.vim", rv_codec_v_i, rv_fmt_vd_vs2_imm_vl, NULL, 0, 0, 0 },
1806     { "vsaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1807     { "vsaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1808     { "vsaddu.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1809     { "vsadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1810     { "vsadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1811     { "vsadd.vi", rv_codec_v_i, rv_fmt_vd_vs2_imm_vm, NULL, 0, 0, 0 },
1812     { "vssubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1813     { "vssubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1814     { "vssub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1815     { "vssub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1816     { "vaadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1817     { "vaadd.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1818     { "vaaddu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1819     { "vaaddu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1820     { "vasub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1821     { "vasub.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1822     { "vasubu.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1823     { "vasubu.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1824     { "vsmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1825     { "vsmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1826     { "vssrl.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1827     { "vssrl.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1828     { "vssrl.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1829     { "vssra.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1830     { "vssra.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1831     { "vssra.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1832     { "vnclipu.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1833     { "vnclipu.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1834     { "vnclipu.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1835     { "vnclip.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1836     { "vnclip.wx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1837     { "vnclip.wi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1838     { "vfadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1839     { "vfadd.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1840     { "vfsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1841     { "vfsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1842     { "vfrsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1843     { "vfwadd.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1844     { "vfwadd.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1845     { "vfwadd.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1846     { "vfwadd.wf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1847     { "vfwsub.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1848     { "vfwsub.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1849     { "vfwsub.wv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1850     { "vfwsub.wf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1851     { "vfmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1852     { "vfmul.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1853     { "vfdiv.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1854     { "vfdiv.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1855     { "vfrdiv.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1856     { "vfwmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1857     { "vfwmul.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1858     { "vfmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1859     { "vfmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1860     { "vfnmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1861     { "vfnmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1862     { "vfmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1863     { "vfmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1864     { "vfnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1865     { "vfnmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1866     { "vfmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1867     { "vfmadd.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1868     { "vfnmadd.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1869     { "vfnmadd.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1870     { "vfmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1871     { "vfmsub.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1872     { "vfnmsub.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1873     { "vfnmsub.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1874     { "vfwmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1875     { "vfwmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1876     { "vfwnmacc.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1877     { "vfwnmacc.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1878     { "vfwmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1879     { "vfwmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1880     { "vfwnmsac.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
1881     { "vfwnmsac.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
1882     { "vfsqrt.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1883     { "vfrsqrt7.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1884     { "vfrec7.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1885     { "vfmin.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1886     { "vfmin.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1887     { "vfmax.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1888     { "vfmax.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1889     { "vfsgnj.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1890     { "vfsgnj.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1891     { "vfsgnjn.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1892     { "vfsgnjn.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1893     { "vfsgnjx.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1894     { "vfsgnjx.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1895     { "vfslide1up.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1896     { "vfslide1down.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1897     { "vmfeq.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1898     { "vmfeq.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1899     { "vmfne.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1900     { "vmfne.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1901     { "vmflt.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1902     { "vmflt.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1903     { "vmfle.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1904     { "vmfle.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1905     { "vmfgt.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1906     { "vmfge.vf", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vm, NULL, 0, 0, 0 },
1907     { "vfclass.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1908     { "vfmerge.vfm", rv_codec_v_r, rv_fmt_vd_vs2_fs1_vl, NULL, 0, 0, 0 },
1909     { "vfmv.v.f", rv_codec_v_r, rv_fmt_vd_fs1, NULL, 0, 0, 0 },
1910     { "vfcvt.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1911     { "vfcvt.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1912     { "vfcvt.f.xu.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1913     { "vfcvt.f.x.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1914     { "vfcvt.rtz.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1915     { "vfcvt.rtz.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1916     { "vfwcvt.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1917     { "vfwcvt.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1918     { "vfwcvt.f.xu.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1919     { "vfwcvt.f.x.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1920     { "vfwcvt.f.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1921     { "vfwcvt.rtz.xu.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1922     { "vfwcvt.rtz.x.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1923     { "vfncvt.xu.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1924     { "vfncvt.x.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1925     { "vfncvt.f.xu.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1926     { "vfncvt.f.x.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1927     { "vfncvt.f.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1928     { "vfncvt.rod.f.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1929     { "vfncvt.rtz.xu.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1930     { "vfncvt.rtz.x.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1931     { "vredsum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1932     { "vredand.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1933     { "vredor.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1934     { "vredxor.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1935     { "vredminu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1936     { "vredmin.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1937     { "vredmaxu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1938     { "vredmax.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1939     { "vwredsumu.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1940     { "vwredsum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1941     { "vfredusum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1942     { "vfredosum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1943     { "vfredmin.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1944     { "vfredmax.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1945     { "vfwredusum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1946     { "vfwredosum.vs", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1947     { "vmand.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1948     { "vmnand.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1949     { "vmandn.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1950     { "vmxor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1951     { "vmor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1952     { "vmnor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1953     { "vmorn.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1954     { "vmxnor.mm", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1955     { "vcpop.m", rv_codec_v_r, rv_fmt_rd_vs2_vm, NULL, 0, 0, 0 },
1956     { "vfirst.m", rv_codec_v_r, rv_fmt_rd_vs2_vm, NULL, 0, 0, 0 },
1957     { "vmsbf.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1958     { "vmsif.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1959     { "vmsof.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1960     { "viota.m", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1961     { "vid.v", rv_codec_v_r, rv_fmt_vd_vm, NULL, 0, 0, 0 },
1962     { "vmv.x.s", rv_codec_v_r, rv_fmt_rd_vs2, NULL, 0, 0, 0 },
1963     { "vmv.s.x", rv_codec_v_r, rv_fmt_vd_rs1, NULL, 0, 0, 0 },
1964     { "vfmv.f.s", rv_codec_v_r, rv_fmt_fd_vs2, NULL, 0, 0, 0 },
1965     { "vfmv.s.f", rv_codec_v_r, rv_fmt_vd_fs1, NULL, 0, 0, 0 },
1966     { "vslideup.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1967     { "vslideup.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1968     { "vslide1up.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1969     { "vslidedown.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1970     { "vslidedown.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1971     { "vslide1down.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1972     { "vrgather.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1973     { "vrgatherei16.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
1974     { "vrgather.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
1975     { "vrgather.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
1976     { "vcompress.vm", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
1977     { "vmv1r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1978     { "vmv2r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1979     { "vmv4r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1980     { "vmv8r.v", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
1981     { "vzext.vf2", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1982     { "vzext.vf4", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1983     { "vzext.vf8", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1984     { "vsext.vf2", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1985     { "vsext.vf4", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1986     { "vsext.vf8", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
1987     { "vsetvli", rv_codec_vsetvli, rv_fmt_vsetvli, NULL, 0, 0, 0 },
1988     { "vsetivli", rv_codec_vsetivli, rv_fmt_vsetivli, NULL, 0, 0, 0 },
1989     { "vsetvl", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
1990     { "c.zext.b", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
1991     { "c.sext.b", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
1992     { "c.zext.h", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
1993     { "c.sext.h", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
1994     { "c.zext.w", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
1995     { "c.not", rv_codec_zcb_ext, rv_fmt_rd, NULL, 0 },
1996     { "c.mul", rv_codec_zcb_mul, rv_fmt_rd_rs2, NULL, 0, 0 },
1997     { "c.lbu", rv_codec_zcb_lb, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
1998     { "c.lhu", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
1999     { "c.lh", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2000     { "c.sb", rv_codec_zcb_lb, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2001     { "c.sh", rv_codec_zcb_lh, rv_fmt_rs1_rs2_zce_ldst, NULL, 0, 0, 0 },
2002     { "cm.push", rv_codec_zcmp_cm_pushpop, rv_fmt_push_rlist, NULL, 0, 0 },
2003     { "cm.pop", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0 },
2004     { "cm.popret", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0, 0 },
2005     { "cm.popretz", rv_codec_zcmp_cm_pushpop, rv_fmt_pop_rlist, NULL, 0, 0 },
2006     { "cm.mva01s", rv_codec_zcmp_cm_mv, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
2007     { "cm.mvsa01", rv_codec_zcmp_cm_mv, rv_fmt_rd_rs2, NULL, 0, 0, 0 },
2008     { "cm.jt", rv_codec_zcmt_jt, rv_fmt_zcmt_index, NULL, 0 },
2009     { "cm.jalt", rv_codec_zcmt_jt, rv_fmt_zcmt_index, NULL, 0 },
2010     { "czero.eqz", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2011     { "czero.nez", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
2012     { "fcvt.bf16.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2013     { "fcvt.s.bf16", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2014     { "vfncvtbf16.f.f.w", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2015     { "vfwcvtbf16.f.f.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2016     { "vfwmaccbf16.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 },
2017     { "vfwmaccbf16.vf", rv_codec_v_r, rv_fmt_vd_fs1_vs2_vm, NULL, 0, 0, 0 },
2018     { "flh", rv_codec_i, rv_fmt_frd_offset_rs1, NULL, 0, 0, 0 },
2019     { "fsh", rv_codec_s, rv_fmt_frs2_offset_rs1, NULL, 0, 0, 0 },
2020     { "fmv.h.x", rv_codec_r, rv_fmt_frd_rs1, NULL, 0, 0, 0 },
2021     { "fmv.x.h", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
2022     { "fli.s", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2023     { "fli.d", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2024     { "fli.q", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2025     { "fli.h", rv_codec_fli, rv_fmt_fli, NULL, 0, 0, 0 },
2026     { "fminm.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2027     { "fmaxm.s", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2028     { "fminm.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2029     { "fmaxm.d", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2030     { "fminm.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2031     { "fmaxm.q", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2032     { "fminm.h", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2033     { "fmaxm.h", rv_codec_r, rv_fmt_frd_frs1_frs2, NULL, 0, 0, 0 },
2034     { "fround.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2035     { "froundnx.s", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2036     { "fround.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2037     { "froundnx.d", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2038     { "fround.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2039     { "froundnx.q", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2040     { "fround.h", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2041     { "froundnx.h", rv_codec_r_m, rv_fmt_rm_frd_frs1, NULL, 0, 0, 0 },
2042     { "fcvtmod.w.d", rv_codec_r_m, rv_fmt_rm_rd_frs1, NULL, 0, 0, 0 },
2043     { "fmvh.x.d", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
2044     { "fmvp.d.x", rv_codec_r, rv_fmt_frd_rs1_rs2, NULL, 0, 0, 0 },
2045     { "fmvh.x.q", rv_codec_r, rv_fmt_rd_frs1, NULL, 0, 0, 0 },
2046     { "fmvp.q.x", rv_codec_r, rv_fmt_frd_rs1_rs2, NULL, 0, 0, 0 },
2047     { "fleq.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2048     { "fltq.s", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2049     { "fleq.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2050     { "fltq.d", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2051     { "fleq.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2052     { "fltq.q", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2053     { "fleq.h", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2054     { "fltq.h", rv_codec_r, rv_fmt_rd_frs1_frs2, NULL, 0, 0, 0 },
2055     { "vaesdf.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2056     { "vaesdf.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2057     { "vaesdm.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2058     { "vaesdm.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2059     { "vaesef.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2060     { "vaesef.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2061     { "vaesem.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2062     { "vaesem.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2063     { "vaeskf1.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2064     { "vaeskf2.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2065     { "vaesz.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2066     { "vandn.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2067     { "vandn.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2068     { "vbrev.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2069     { "vbrev8.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2070     { "vclmul.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2071     { "vclmul.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2072     { "vclmulh.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2073     { "vclmulh.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2074     { "vclz.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2075     { "vcpop.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2076     { "vctz.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2077     { "vghsh.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2078     { "vgmul.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2079     { "vrev8.v", rv_codec_v_r, rv_fmt_vd_vs2_vm, NULL, 0, 0, 0 },
2080     { "vrol.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2081     { "vrol.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2082     { "vror.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2083     { "vror.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2084     { "vror.vi", rv_codec_vror_vi, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2085     { "vsha2ch.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2086     { "vsha2cl.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2087     { "vsha2ms.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2088     { "vsm3c.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2089     { "vsm3me.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1, NULL, 0, 0, 0 },
2090     { "vsm4k.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm, NULL, 0, 0, 0 },
2091     { "vsm4r.vv", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2092     { "vsm4r.vs", rv_codec_v_r, rv_fmt_vd_vs2, NULL, 0, 0, 0 },
2093     { "vwsll.vv", rv_codec_v_r, rv_fmt_vd_vs2_vs1_vm, NULL, 0, 0, 0 },
2094     { "vwsll.vx", rv_codec_v_r, rv_fmt_vd_vs2_rs1_vm, NULL, 0, 0, 0 },
2095     { "vwsll.vi", rv_codec_v_i, rv_fmt_vd_vs2_uimm_vm, NULL, 0, 0, 0 },
2096     { "amocas.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2097     { "amocas.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2098     { "amocas.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
2099 };
2100
2101 /* CSR names */
2102
2103 static const char *csr_name(int csrno)
2104 {
2105     switch (csrno) {
2106     case 0x0000: return "ustatus";
2107     case 0x0001: return "fflags";
2108     case 0x0002: return "frm";
2109     case 0x0003: return "fcsr";
2110     case 0x0004: return "uie";
2111     case 0x0005: return "utvec";
2112     case 0x0008: return "vstart";
2113     case 0x0009: return "vxsat";
2114     case 0x000a: return "vxrm";
2115     case 0x000f: return "vcsr";
2116     case 0x0015: return "seed";
2117     case 0x0017: return "jvt";
2118     case 0x0040: return "uscratch";
2119     case 0x0041: return "uepc";
2120     case 0x0042: return "ucause";
2121     case 0x0043: return "utval";
2122     case 0x0044: return "uip";
2123     case 0x0100: return "sstatus";
2124     case 0x0104: return "sie";
2125     case 0x0105: return "stvec";
2126     case 0x0106: return "scounteren";
2127     case 0x0140: return "sscratch";
2128     case 0x0141: return "sepc";
2129     case 0x0142: return "scause";
2130     case 0x0143: return "stval";
2131     case 0x0144: return "sip";
2132     case 0x0180: return "satp";
2133     case 0x0200: return "hstatus";
2134     case 0x0202: return "hedeleg";
2135     case 0x0203: return "hideleg";
2136     case 0x0204: return "hie";
2137     case 0x0205: return "htvec";
2138     case 0x0240: return "hscratch";
2139     case 0x0241: return "hepc";
2140     case 0x0242: return "hcause";
2141     case 0x0243: return "hbadaddr";
2142     case 0x0244: return "hip";
2143     case 0x0300: return "mstatus";
2144     case 0x0301: return "misa";
2145     case 0x0302: return "medeleg";
2146     case 0x0303: return "mideleg";
2147     case 0x0304: return "mie";
2148     case 0x0305: return "mtvec";
2149     case 0x0306: return "mcounteren";
2150     case 0x0320: return "mucounteren";
2151     case 0x0321: return "mscounteren";
2152     case 0x0322: return "mhcounteren";
2153     case 0x0323: return "mhpmevent3";
2154     case 0x0324: return "mhpmevent4";
2155     case 0x0325: return "mhpmevent5";
2156     case 0x0326: return "mhpmevent6";
2157     case 0x0327: return "mhpmevent7";
2158     case 0x0328: return "mhpmevent8";
2159     case 0x0329: return "mhpmevent9";
2160     case 0x032a: return "mhpmevent10";
2161     case 0x032b: return "mhpmevent11";
2162     case 0x032c: return "mhpmevent12";
2163     case 0x032d: return "mhpmevent13";
2164     case 0x032e: return "mhpmevent14";
2165     case 0x032f: return "mhpmevent15";
2166     case 0x0330: return "mhpmevent16";
2167     case 0x0331: return "mhpmevent17";
2168     case 0x0332: return "mhpmevent18";
2169     case 0x0333: return "mhpmevent19";
2170     case 0x0334: return "mhpmevent20";
2171     case 0x0335: return "mhpmevent21";
2172     case 0x0336: return "mhpmevent22";
2173     case 0x0337: return "mhpmevent23";
2174     case 0x0338: return "mhpmevent24";
2175     case 0x0339: return "mhpmevent25";
2176     case 0x033a: return "mhpmevent26";
2177     case 0x033b: return "mhpmevent27";
2178     case 0x033c: return "mhpmevent28";
2179     case 0x033d: return "mhpmevent29";
2180     case 0x033e: return "mhpmevent30";
2181     case 0x033f: return "mhpmevent31";
2182     case 0x0340: return "mscratch";
2183     case 0x0341: return "mepc";
2184     case 0x0342: return "mcause";
2185     case 0x0343: return "mtval";
2186     case 0x0344: return "mip";
2187     case 0x0380: return "mbase";
2188     case 0x0381: return "mbound";
2189     case 0x0382: return "mibase";
2190     case 0x0383: return "mibound";
2191     case 0x0384: return "mdbase";
2192     case 0x0385: return "mdbound";
2193     case 0x03a0: return "pmpcfg3";
2194     case 0x03b0: return "pmpaddr0";
2195     case 0x03b1: return "pmpaddr1";
2196     case 0x03b2: return "pmpaddr2";
2197     case 0x03b3: return "pmpaddr3";
2198     case 0x03b4: return "pmpaddr4";
2199     case 0x03b5: return "pmpaddr5";
2200     case 0x03b6: return "pmpaddr6";
2201     case 0x03b7: return "pmpaddr7";
2202     case 0x03b8: return "pmpaddr8";
2203     case 0x03b9: return "pmpaddr9";
2204     case 0x03ba: return "pmpaddr10";
2205     case 0x03bb: return "pmpaddr11";
2206     case 0x03bc: return "pmpaddr12";
2207     case 0x03bd: return "pmpaddr13";
2208     case 0x03be: return "pmpaddr14";
2209     case 0x03bf: return "pmpaddr15";
2210     case 0x0780: return "mtohost";
2211     case 0x0781: return "mfromhost";
2212     case 0x0782: return "mreset";
2213     case 0x0783: return "mipi";
2214     case 0x0784: return "miobase";
2215     case 0x07a0: return "tselect";
2216     case 0x07a1: return "tdata1";
2217     case 0x07a2: return "tdata2";
2218     case 0x07a3: return "tdata3";
2219     case 0x07b0: return "dcsr";
2220     case 0x07b1: return "dpc";
2221     case 0x07b2: return "dscratch";
2222     case 0x0b00: return "mcycle";
2223     case 0x0b01: return "mtime";
2224     case 0x0b02: return "minstret";
2225     case 0x0b03: return "mhpmcounter3";
2226     case 0x0b04: return "mhpmcounter4";
2227     case 0x0b05: return "mhpmcounter5";
2228     case 0x0b06: return "mhpmcounter6";
2229     case 0x0b07: return "mhpmcounter7";
2230     case 0x0b08: return "mhpmcounter8";
2231     case 0x0b09: return "mhpmcounter9";
2232     case 0x0b0a: return "mhpmcounter10";
2233     case 0x0b0b: return "mhpmcounter11";
2234     case 0x0b0c: return "mhpmcounter12";
2235     case 0x0b0d: return "mhpmcounter13";
2236     case 0x0b0e: return "mhpmcounter14";
2237     case 0x0b0f: return "mhpmcounter15";
2238     case 0x0b10: return "mhpmcounter16";
2239     case 0x0b11: return "mhpmcounter17";
2240     case 0x0b12: return "mhpmcounter18";
2241     case 0x0b13: return "mhpmcounter19";
2242     case 0x0b14: return "mhpmcounter20";
2243     case 0x0b15: return "mhpmcounter21";
2244     case 0x0b16: return "mhpmcounter22";
2245     case 0x0b17: return "mhpmcounter23";
2246     case 0x0b18: return "mhpmcounter24";
2247     case 0x0b19: return "mhpmcounter25";
2248     case 0x0b1a: return "mhpmcounter26";
2249     case 0x0b1b: return "mhpmcounter27";
2250     case 0x0b1c: return "mhpmcounter28";
2251     case 0x0b1d: return "mhpmcounter29";
2252     case 0x0b1e: return "mhpmcounter30";
2253     case 0x0b1f: return "mhpmcounter31";
2254     case 0x0b80: return "mcycleh";
2255     case 0x0b81: return "mtimeh";
2256     case 0x0b82: return "minstreth";
2257     case 0x0b83: return "mhpmcounter3h";
2258     case 0x0b84: return "mhpmcounter4h";
2259     case 0x0b85: return "mhpmcounter5h";
2260     case 0x0b86: return "mhpmcounter6h";
2261     case 0x0b87: return "mhpmcounter7h";
2262     case 0x0b88: return "mhpmcounter8h";
2263     case 0x0b89: return "mhpmcounter9h";
2264     case 0x0b8a: return "mhpmcounter10h";
2265     case 0x0b8b: return "mhpmcounter11h";
2266     case 0x0b8c: return "mhpmcounter12h";
2267     case 0x0b8d: return "mhpmcounter13h";
2268     case 0x0b8e: return "mhpmcounter14h";
2269     case 0x0b8f: return "mhpmcounter15h";
2270     case 0x0b90: return "mhpmcounter16h";
2271     case 0x0b91: return "mhpmcounter17h";
2272     case 0x0b92: return "mhpmcounter18h";
2273     case 0x0b93: return "mhpmcounter19h";
2274     case 0x0b94: return "mhpmcounter20h";
2275     case 0x0b95: return "mhpmcounter21h";
2276     case 0x0b96: return "mhpmcounter22h";
2277     case 0x0b97: return "mhpmcounter23h";
2278     case 0x0b98: return "mhpmcounter24h";
2279     case 0x0b99: return "mhpmcounter25h";
2280     case 0x0b9a: return "mhpmcounter26h";
2281     case 0x0b9b: return "mhpmcounter27h";
2282     case 0x0b9c: return "mhpmcounter28h";
2283     case 0x0b9d: return "mhpmcounter29h";
2284     case 0x0b9e: return "mhpmcounter30h";
2285     case 0x0b9f: return "mhpmcounter31h";
2286     case 0x0c00: return "cycle";
2287     case 0x0c01: return "time";
2288     case 0x0c02: return "instret";
2289     case 0x0c20: return "vl";
2290     case 0x0c21: return "vtype";
2291     case 0x0c22: return "vlenb";
2292     case 0x0c80: return "cycleh";
2293     case 0x0c81: return "timeh";
2294     case 0x0c82: return "instreth";
2295     case 0x0d00: return "scycle";
2296     case 0x0d01: return "stime";
2297     case 0x0d02: return "sinstret";
2298     case 0x0d80: return "scycleh";
2299     case 0x0d81: return "stimeh";
2300     case 0x0d82: return "sinstreth";
2301     case 0x0e00: return "hcycle";
2302     case 0x0e01: return "htime";
2303     case 0x0e02: return "hinstret";
2304     case 0x0e80: return "hcycleh";
2305     case 0x0e81: return "htimeh";
2306     case 0x0e82: return "hinstreth";
2307     case 0x0f11: return "mvendorid";
2308     case 0x0f12: return "marchid";
2309     case 0x0f13: return "mimpid";
2310     case 0x0f14: return "mhartid";
2311     default: return NULL;
2312     }
2313 }
2314
2315 /* decode opcode */
2316
2317 static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
2318 {
2319     rv_inst inst = dec->inst;
2320     rv_opcode op = rv_op_illegal;
2321     switch ((inst >> 0) & 0b11) {
2322     case 0:
2323         switch ((inst >> 13) & 0b111) {
2324         case 0: op = rv_op_c_addi4spn; break;
2325         case 1:
2326             if (isa == rv128) {
2327                 op = rv_op_c_lq;
2328             } else {
2329                 op = rv_op_c_fld;
2330             }
2331             break;
2332         case 2: op = rv_op_c_lw; break;
2333         case 3:
2334             if (isa == rv32) {
2335                 op = rv_op_c_flw;
2336             } else {
2337                 op = rv_op_c_ld;
2338             }
2339             break;
2340         case 4:
2341             switch ((inst >> 10) & 0b111) {
2342             case 0: op = rv_op_c_lbu; break;
2343             case 1:
2344                 if (((inst >> 6) & 1) == 0) {
2345                     op = rv_op_c_lhu;
2346                 } else {
2347                     op = rv_op_c_lh;
2348                 }
2349                 break;
2350             case 2: op = rv_op_c_sb; break;
2351             case 3:
2352                 if (((inst >> 6) & 1) == 0) {
2353                     op = rv_op_c_sh;
2354                 }
2355                 break;
2356             }
2357             break;
2358         case 5:
2359             if (isa == rv128) {
2360                 op = rv_op_c_sq;
2361             } else {
2362                 op = rv_op_c_fsd;
2363             }
2364             break;
2365         case 6: op = rv_op_c_sw; break;
2366         case 7:
2367             if (isa == rv32) {
2368                 op = rv_op_c_fsw;
2369             } else {
2370                 op = rv_op_c_sd;
2371             }
2372             break;
2373         }
2374         break;
2375     case 1:
2376         switch ((inst >> 13) & 0b111) {
2377         case 0:
2378             switch ((inst >> 2) & 0b11111111111) {
2379             case 0: op = rv_op_c_nop; break;
2380             default: op = rv_op_c_addi; break;
2381             }
2382             break;
2383         case 1:
2384             if (isa == rv32) {
2385                 op = rv_op_c_jal;
2386             } else {
2387                 op = rv_op_c_addiw;
2388             }
2389             break;
2390         case 2: op = rv_op_c_li; break;
2391         case 3:
2392             switch ((inst >> 7) & 0b11111) {
2393             case 2: op = rv_op_c_addi16sp; break;
2394             default: op = rv_op_c_lui; break;
2395             }
2396             break;
2397         case 4:
2398             switch ((inst >> 10) & 0b11) {
2399             case 0:
2400                 op = rv_op_c_srli;
2401                 break;
2402             case 1:
2403                 op = rv_op_c_srai;
2404                 break;
2405             case 2: op = rv_op_c_andi; break;
2406             case 3:
2407                 switch (((inst >> 10) & 0b100) | ((inst >> 5) & 0b011)) {
2408                 case 0: op = rv_op_c_sub; break;
2409                 case 1: op = rv_op_c_xor; break;
2410                 case 2: op = rv_op_c_or; break;
2411                 case 3: op = rv_op_c_and; break;
2412                 case 4: op = rv_op_c_subw; break;
2413                 case 5: op = rv_op_c_addw; break;
2414                 case 6: op = rv_op_c_mul; break;
2415                 case 7:
2416                     switch ((inst >> 2) & 0b111) {
2417                     case 0: op = rv_op_c_zext_b; break;
2418                     case 1: op = rv_op_c_sext_b; break;
2419                     case 2: op = rv_op_c_zext_h; break;
2420                     case 3: op = rv_op_c_sext_h; break;
2421                     case 4: op = rv_op_c_zext_w; break;
2422                     case 5: op = rv_op_c_not; break;
2423                     }
2424                     break;
2425                 }
2426                 break;
2427             }
2428             break;
2429         case 5: op = rv_op_c_j; break;
2430         case 6: op = rv_op_c_beqz; break;
2431         case 7: op = rv_op_c_bnez; break;
2432         }
2433         break;
2434     case 2:
2435         switch ((inst >> 13) & 0b111) {
2436         case 0:
2437             op = rv_op_c_slli;
2438             break;
2439         case 1:
2440             if (isa == rv128) {
2441                 op = rv_op_c_lqsp;
2442             } else {
2443                 op = rv_op_c_fldsp;
2444             }
2445             break;
2446         case 2: op = rv_op_c_lwsp; break;
2447         case 3:
2448             if (isa == rv32) {
2449                 op = rv_op_c_flwsp;
2450             } else {
2451                 op = rv_op_c_ldsp;
2452             }
2453             break;
2454         case 4:
2455             switch ((inst >> 12) & 0b1) {
2456             case 0:
2457                 switch ((inst >> 2) & 0b11111) {
2458                 case 0: op = rv_op_c_jr; break;
2459                 default: op = rv_op_c_mv; break;
2460                 }
2461                 break;
2462             case 1:
2463                 switch ((inst >> 2) & 0b11111) {
2464                 case 0:
2465                     switch ((inst >> 7) & 0b11111) {
2466                     case 0: op = rv_op_c_ebreak; break;
2467                     default: op = rv_op_c_jalr; break;
2468                     }
2469                     break;
2470                 default: op = rv_op_c_add; break;
2471                 }
2472                 break;
2473             }
2474             break;
2475         case 5:
2476             if (isa == rv128) {
2477                 op = rv_op_c_sqsp;
2478             } else {
2479                 op = rv_op_c_fsdsp;
2480                 if (dec->cfg->ext_zcmp && ((inst >> 12) & 0b01)) {
2481                     switch ((inst >> 8) & 0b01111) {
2482                     case 8:
2483                         if (((inst >> 4) & 0b01111) >= 4) {
2484                             op = rv_op_cm_push;
2485                         }
2486                         break;
2487                     case 10:
2488                         if (((inst >> 4) & 0b01111) >= 4) {
2489                             op = rv_op_cm_pop;
2490                         }
2491                         break;
2492                     case 12:
2493                         if (((inst >> 4) & 0b01111) >= 4) {
2494                             op = rv_op_cm_popretz;
2495                         }
2496                         break;
2497                     case 14:
2498                         if (((inst >> 4) & 0b01111) >= 4) {
2499                             op = rv_op_cm_popret;
2500                         }
2501                         break;
2502                     }
2503                 } else {
2504                     switch ((inst >> 10) & 0b011) {
2505                     case 0:
2506                         if (!dec->cfg->ext_zcmt) {
2507                             break;
2508                         }
2509                         if (((inst >> 2) & 0xFF) >= 32) {
2510                             op = rv_op_cm_jalt;
2511                         } else {
2512                             op = rv_op_cm_jt;
2513                         }
2514                         break;
2515                     case 3:
2516                         if (!dec->cfg->ext_zcmp) {
2517                             break;
2518                         }
2519                         switch ((inst >> 5) & 0b011) {
2520                         case 1: op = rv_op_cm_mvsa01; break;
2521                         case 3: op = rv_op_cm_mva01s; break;
2522                         }
2523                         break;
2524                     }
2525                 }
2526             }
2527             break;
2528         case 6: op = rv_op_c_swsp; break;
2529         case 7:
2530             if (isa == rv32) {
2531                 op = rv_op_c_fswsp;
2532             } else {
2533                 op = rv_op_c_sdsp;
2534             }
2535             break;
2536         }
2537         break;
2538     case 3:
2539         switch ((inst >> 2) & 0b11111) {
2540         case 0:
2541             switch ((inst >> 12) & 0b111) {
2542             case 0: op = rv_op_lb; break;
2543             case 1: op = rv_op_lh; break;
2544             case 2: op = rv_op_lw; break;
2545             case 3: op = rv_op_ld; break;
2546             case 4: op = rv_op_lbu; break;
2547             case 5: op = rv_op_lhu; break;
2548             case 6: op = rv_op_lwu; break;
2549             case 7: op = rv_op_ldu; break;
2550             }
2551             break;
2552         case 1:
2553             switch ((inst >> 12) & 0b111) {
2554             case 0:
2555                 switch ((inst >> 20) & 0b111111111111) {
2556                 case 40: op = rv_op_vl1re8_v; break;
2557                 case 552: op = rv_op_vl2re8_v; break;
2558                 case 1576: op = rv_op_vl4re8_v; break;
2559                 case 3624: op = rv_op_vl8re8_v; break;
2560                 }
2561                 switch ((inst >> 26) & 0b111) {
2562                 case 0:
2563                     switch ((inst >> 20) & 0b11111) {
2564                     case 0: op = rv_op_vle8_v; break;
2565                     case 11: op = rv_op_vlm_v; break;
2566                     case 16: op = rv_op_vle8ff_v; break;
2567                     }
2568                     break;
2569                 case 1: op = rv_op_vluxei8_v; break;
2570                 case 2: op = rv_op_vlse8_v; break;
2571                 case 3: op = rv_op_vloxei8_v; break;
2572                 }
2573                 break;
2574             case 1: op = rv_op_flh; break;
2575             case 2: op = rv_op_flw; break;
2576             case 3: op = rv_op_fld; break;
2577             case 4: op = rv_op_flq; break;
2578             case 5:
2579                 switch ((inst >> 20) & 0b111111111111) {
2580                 case 40: op = rv_op_vl1re16_v; break;
2581                 case 552: op = rv_op_vl2re16_v; break;
2582                 case 1576: op = rv_op_vl4re16_v; break;
2583                 case 3624: op = rv_op_vl8re16_v; break;
2584                 }
2585                 switch ((inst >> 26) & 0b111) {
2586                 case 0:
2587                     switch ((inst >> 20) & 0b11111) {
2588                     case 0: op = rv_op_vle16_v; break;
2589                     case 16: op = rv_op_vle16ff_v; break;
2590                     }
2591                     break;
2592                 case 1: op = rv_op_vluxei16_v; break;
2593                 case 2: op = rv_op_vlse16_v; break;
2594                 case 3: op = rv_op_vloxei16_v; break;
2595                 }
2596                 break;
2597             case 6:
2598                 switch ((inst >> 20) & 0b111111111111) {
2599                 case 40: op = rv_op_vl1re32_v; break;
2600                 case 552: op = rv_op_vl2re32_v; break;
2601                 case 1576: op = rv_op_vl4re32_v; break;
2602                 case 3624: op = rv_op_vl8re32_v; break;
2603                 }
2604                 switch ((inst >> 26) & 0b111) {
2605                 case 0:
2606                     switch ((inst >> 20) & 0b11111) {
2607                     case 0: op = rv_op_vle32_v; break;
2608                     case 16: op = rv_op_vle32ff_v; break;
2609                     }
2610                     break;
2611                 case 1: op = rv_op_vluxei32_v; break;
2612                 case 2: op = rv_op_vlse32_v; break;
2613                 case 3: op = rv_op_vloxei32_v; break;
2614                 }
2615                 break;
2616             case 7:
2617                 switch ((inst >> 20) & 0b111111111111) {
2618                 case 40: op = rv_op_vl1re64_v; break;
2619                 case 552: op = rv_op_vl2re64_v; break;
2620                 case 1576: op = rv_op_vl4re64_v; break;
2621                 case 3624: op = rv_op_vl8re64_v; break;
2622                 }
2623                 switch ((inst >> 26) & 0b111) {
2624                 case 0:
2625                     switch ((inst >> 20) & 0b11111) {
2626                     case 0: op = rv_op_vle64_v; break;
2627                     case 16: op = rv_op_vle64ff_v; break;
2628                     }
2629                     break;
2630                 case 1: op = rv_op_vluxei64_v; break;
2631                 case 2: op = rv_op_vlse64_v; break;
2632                 case 3: op = rv_op_vloxei64_v; break;
2633                 }
2634                 break;
2635             }
2636             break;
2637         case 3:
2638             switch ((inst >> 12) & 0b111) {
2639             case 0: op = rv_op_fence; break;
2640             case 1: op = rv_op_fence_i; break;
2641             case 2: op = rv_op_lq; break;
2642             }
2643             break;
2644         case 4:
2645             switch ((inst >> 12) & 0b111) {
2646             case 0: op = rv_op_addi; break;
2647             case 1:
2648                 switch ((inst >> 27) & 0b11111) {
2649                 case 0b00000: op = rv_op_slli; break;
2650                 case 0b00001:
2651                     switch ((inst >> 20) & 0b1111111) {
2652                     case 0b0001111: op = rv_op_zip; break;
2653                     }
2654                     break;
2655                 case 0b00010:
2656                     switch ((inst >> 20) & 0b1111111) {
2657                     case 0b0000000: op = rv_op_sha256sum0; break;
2658                     case 0b0000001: op = rv_op_sha256sum1; break;
2659                     case 0b0000010: op = rv_op_sha256sig0; break;
2660                     case 0b0000011: op = rv_op_sha256sig1; break;
2661                     case 0b0000100: op = rv_op_sha512sum0; break;
2662                     case 0b0000101: op = rv_op_sha512sum1; break;
2663                     case 0b0000110: op = rv_op_sha512sig0; break;
2664                     case 0b0000111: op = rv_op_sha512sig1; break;
2665                     case 0b0001000: op = rv_op_sm3p0; break;
2666                     case 0b0001001: op = rv_op_sm3p1; break;
2667                     }
2668                     break;
2669                 case 0b00101: op = rv_op_bseti; break;
2670                 case 0b00110:
2671                     switch ((inst >> 20) & 0b1111111) {
2672                     case 0b0000000: op = rv_op_aes64im; break;
2673                     default:
2674                         if (((inst >> 24) & 0b0111) == 0b001) {
2675                             op = rv_op_aes64ks1i;
2676                         }
2677                         break;
2678                      }
2679                      break;
2680                 case 0b01001: op = rv_op_bclri; break;
2681                 case 0b01101: op = rv_op_binvi; break;
2682                 case 0b01100:
2683                     switch ((inst >> 20) & 0b1111111) {
2684                     case 0b0000000: op = rv_op_clz; break;
2685                     case 0b0000001: op = rv_op_ctz; break;
2686                     case 0b0000010: op = rv_op_cpop; break;
2687                       /* 0b0000011 */
2688                     case 0b0000100: op = rv_op_sext_b; break;
2689                     case 0b0000101: op = rv_op_sext_h; break;
2690                     }
2691                     break;
2692                 }
2693                 break;
2694             case 2: op = rv_op_slti; break;
2695             case 3: op = rv_op_sltiu; break;
2696             case 4: op = rv_op_xori; break;
2697             case 5:
2698                 switch ((inst >> 27) & 0b11111) {
2699                 case 0b00000: op = rv_op_srli; break;
2700                 case 0b00001:
2701                     switch ((inst >> 20) & 0b1111111) {
2702                     case 0b0001111: op = rv_op_unzip; break;
2703                     }
2704                     break;
2705                 case 0b00101: op = rv_op_orc_b; break;
2706                 case 0b01000: op = rv_op_srai; break;
2707                 case 0b01001: op = rv_op_bexti; break;
2708                 case 0b01100: op = rv_op_rori; break;
2709                 case 0b01101:
2710                     switch ((inst >> 20) & 0b1111111) {
2711                     case 0b0011000: op = rv_op_rev8; break;
2712                     case 0b0111000: op = rv_op_rev8; break;
2713                     case 0b0000111: op = rv_op_brev8; break;
2714                     }
2715                     break;
2716                 }
2717                 break;
2718             case 6: op = rv_op_ori; break;
2719             case 7: op = rv_op_andi; break;
2720             }
2721             break;
2722         case 5: op = rv_op_auipc; break;
2723         case 6:
2724             switch ((inst >> 12) & 0b111) {
2725             case 0: op = rv_op_addiw; break;
2726             case 1:
2727                 switch ((inst >> 26) & 0b111111) {
2728                 case 0: op = rv_op_slliw; break;
2729                 case 2: op = rv_op_slli_uw; break;
2730                 case 24:
2731                     switch ((inst >> 20) & 0b11111) {
2732                     case 0b00000: op = rv_op_clzw; break;
2733                     case 0b00001: op = rv_op_ctzw; break;
2734                     case 0b00010: op = rv_op_cpopw; break;
2735                     }
2736                     break;
2737                 }
2738                 break;
2739             case 5:
2740                 switch ((inst >> 25) & 0b1111111) {
2741                 case 0: op = rv_op_srliw; break;
2742                 case 32: op = rv_op_sraiw; break;
2743                 case 48: op = rv_op_roriw; break;
2744                 }
2745                 break;
2746             }
2747             break;
2748         case 8:
2749             switch ((inst >> 12) & 0b111) {
2750             case 0: op = rv_op_sb; break;
2751             case 1: op = rv_op_sh; break;
2752             case 2: op = rv_op_sw; break;
2753             case 3: op = rv_op_sd; break;
2754             case 4: op = rv_op_sq; break;
2755             }
2756             break;
2757         case 9:
2758             switch ((inst >> 12) & 0b111) {
2759             case 0:
2760                 switch ((inst >> 20) & 0b111111111111) {
2761                 case 40: op = rv_op_vs1r_v; break;
2762                 case 552: op = rv_op_vs2r_v; break;
2763                 case 1576: op = rv_op_vs4r_v; break;
2764                 case 3624: op = rv_op_vs8r_v; break;
2765                 }
2766                 switch ((inst >> 26) & 0b111) {
2767                 case 0:
2768                     switch ((inst >> 20) & 0b11111) {
2769                     case 0: op = rv_op_vse8_v; break;
2770                     case 11: op = rv_op_vsm_v; break;
2771                     }
2772                     break;
2773                 case 1: op = rv_op_vsuxei8_v; break;
2774                 case 2: op = rv_op_vsse8_v; break;
2775                 case 3: op = rv_op_vsoxei8_v; break;
2776                 }
2777                 break;
2778             case 1: op = rv_op_fsh; break;
2779             case 2: op = rv_op_fsw; break;
2780             case 3: op = rv_op_fsd; break;
2781             case 4: op = rv_op_fsq; break;
2782             case 5:
2783                 switch ((inst >> 26) & 0b111) {
2784                 case 0:
2785                     switch ((inst >> 20) & 0b11111) {
2786                     case 0: op = rv_op_vse16_v; break;
2787                     }
2788                     break;
2789                 case 1: op = rv_op_vsuxei16_v; break;
2790                 case 2: op = rv_op_vsse16_v; break;
2791                 case 3: op = rv_op_vsoxei16_v; break;
2792                 }
2793                 break;
2794             case 6:
2795                 switch ((inst >> 26) & 0b111) {
2796                 case 0:
2797                     switch ((inst >> 20) & 0b11111) {
2798                     case 0: op = rv_op_vse32_v; break;
2799                     }
2800                     break;
2801                 case 1: op = rv_op_vsuxei32_v; break;
2802                 case 2: op = rv_op_vsse32_v; break;
2803                 case 3: op = rv_op_vsoxei32_v; break;
2804                 }
2805                 break;
2806             case 7:
2807                 switch ((inst >> 26) & 0b111) {
2808                 case 0:
2809                     switch ((inst >> 20) & 0b11111) {
2810                     case 0: op = rv_op_vse64_v; break;
2811                     }
2812                     break;
2813                 case 1: op = rv_op_vsuxei64_v; break;
2814                 case 2: op = rv_op_vsse64_v; break;
2815                 case 3: op = rv_op_vsoxei64_v; break;
2816                 }
2817                 break;
2818             }
2819             break;
2820         case 11:
2821             switch (((inst >> 24) & 0b11111000) |
2822                     ((inst >> 12) & 0b00000111)) {
2823             case 2: op = rv_op_amoadd_w; break;
2824             case 3: op = rv_op_amoadd_d; break;
2825             case 4: op = rv_op_amoadd_q; break;
2826             case 10: op = rv_op_amoswap_w; break;
2827             case 11: op = rv_op_amoswap_d; break;
2828             case 12: op = rv_op_amoswap_q; break;
2829             case 18:
2830                 switch ((inst >> 20) & 0b11111) {
2831                 case 0: op = rv_op_lr_w; break;
2832                 }
2833                 break;
2834             case 19:
2835                 switch ((inst >> 20) & 0b11111) {
2836                 case 0: op = rv_op_lr_d; break;
2837                 }
2838                 break;
2839             case 20:
2840                 switch ((inst >> 20) & 0b11111) {
2841                 case 0: op = rv_op_lr_q; break;
2842                 }
2843                 break;
2844             case 26: op = rv_op_sc_w; break;
2845             case 27: op = rv_op_sc_d; break;
2846             case 28: op = rv_op_sc_q; break;
2847             case 34: op = rv_op_amoxor_w; break;
2848             case 35: op = rv_op_amoxor_d; break;
2849             case 36: op = rv_op_amoxor_q; break;
2850             case 42: op = rv_op_amocas_w; break;
2851             case 43: op = rv_op_amocas_d; break;
2852             case 44: op = rv_op_amocas_q; break;
2853             case 66: op = rv_op_amoor_w; break;
2854             case 67: op = rv_op_amoor_d; break;
2855             case 68: op = rv_op_amoor_q; break;
2856             case 98: op = rv_op_amoand_w; break;
2857             case 99: op = rv_op_amoand_d; break;
2858             case 100: op = rv_op_amoand_q; break;
2859             case 130: op = rv_op_amomin_w; break;
2860             case 131: op = rv_op_amomin_d; break;
2861             case 132: op = rv_op_amomin_q; break;
2862             case 162: op = rv_op_amomax_w; break;
2863             case 163: op = rv_op_amomax_d; break;
2864             case 164: op = rv_op_amomax_q; break;
2865             case 194: op = rv_op_amominu_w; break;
2866             case 195: op = rv_op_amominu_d; break;
2867             case 196: op = rv_op_amominu_q; break;
2868             case 226: op = rv_op_amomaxu_w; break;
2869             case 227: op = rv_op_amomaxu_d; break;
2870             case 228: op = rv_op_amomaxu_q; break;
2871             }
2872             break;
2873         case 12:
2874             switch (((inst >> 22) & 0b1111111000) |
2875                     ((inst >> 12) & 0b0000000111)) {
2876             case 0: op = rv_op_add; break;
2877             case 1: op = rv_op_sll; break;
2878             case 2: op = rv_op_slt; break;
2879             case 3: op = rv_op_sltu; break;
2880             case 4: op = rv_op_xor; break;
2881             case 5: op = rv_op_srl; break;
2882             case 6: op = rv_op_or; break;
2883             case 7: op = rv_op_and; break;
2884             case 8: op = rv_op_mul; break;
2885             case 9: op = rv_op_mulh; break;
2886             case 10: op = rv_op_mulhsu; break;
2887             case 11: op = rv_op_mulhu; break;
2888             case 12: op = rv_op_div; break;
2889             case 13: op = rv_op_divu; break;
2890             case 14: op = rv_op_rem; break;
2891             case 15: op = rv_op_remu; break;
2892             case 36:
2893                 switch ((inst >> 20) & 0b11111) {
2894                 case 0: op = rv_op_zext_h; break;
2895                 default: op = rv_op_pack; break;
2896                 }
2897                 break;
2898             case 39: op = rv_op_packh; break;
2899
2900             case 41: op = rv_op_clmul; break;
2901             case 42: op = rv_op_clmulr; break;
2902             case 43: op = rv_op_clmulh; break;
2903             case 44: op = rv_op_min; break;
2904             case 45: op = rv_op_minu; break;
2905             case 46: op = rv_op_max; break;
2906             case 47: op = rv_op_maxu; break;
2907             case 075: op = rv_op_czero_eqz; break;
2908             case 077: op = rv_op_czero_nez; break;
2909             case 130: op = rv_op_sh1add; break;
2910             case 132: op = rv_op_sh2add; break;
2911             case 134: op = rv_op_sh3add; break;
2912             case 161: op = rv_op_bset; break;
2913             case 162: op = rv_op_xperm4; break;
2914             case 164: op = rv_op_xperm8; break;
2915             case 200: op = rv_op_aes64es; break;
2916             case 216: op = rv_op_aes64esm; break;
2917             case 232: op = rv_op_aes64ds; break;
2918             case 248: op = rv_op_aes64dsm; break;
2919             case 256: op = rv_op_sub; break;
2920             case 260: op = rv_op_xnor; break;
2921             case 261: op = rv_op_sra; break;
2922             case 262: op = rv_op_orn; break;
2923             case 263: op = rv_op_andn; break;
2924             case 289: op = rv_op_bclr; break;
2925             case 293: op = rv_op_bext; break;
2926             case 320: op = rv_op_sha512sum0r; break;
2927             case 328: op = rv_op_sha512sum1r; break;
2928             case 336: op = rv_op_sha512sig0l; break;
2929             case 344: op = rv_op_sha512sig1l; break;
2930             case 368: op = rv_op_sha512sig0h; break;
2931             case 376: op = rv_op_sha512sig1h; break;
2932             case 385: op = rv_op_rol; break;
2933             case 389: op = rv_op_ror; break;
2934             case 417: op = rv_op_binv; break;
2935             case 504: op = rv_op_aes64ks2; break;
2936             }
2937             switch ((inst >> 25) & 0b0011111) {
2938             case 17: op = rv_op_aes32esi; break;
2939             case 19: op = rv_op_aes32esmi; break;
2940             case 21: op = rv_op_aes32dsi; break;
2941             case 23: op = rv_op_aes32dsmi; break;
2942             case 24: op = rv_op_sm4ed; break;
2943             case 26: op = rv_op_sm4ks; break;
2944             }
2945             break;
2946         case 13: op = rv_op_lui; break;
2947         case 14:
2948             switch (((inst >> 22) & 0b1111111000) |
2949                     ((inst >> 12) & 0b0000000111)) {
2950             case 0: op = rv_op_addw; break;
2951             case 1: op = rv_op_sllw; break;
2952             case 5: op = rv_op_srlw; break;
2953             case 8: op = rv_op_mulw; break;
2954             case 12: op = rv_op_divw; break;
2955             case 13: op = rv_op_divuw; break;
2956             case 14: op = rv_op_remw; break;
2957             case 15: op = rv_op_remuw; break;
2958             case 32: op = rv_op_add_uw; break;
2959             case 36:
2960                 switch ((inst >> 20) & 0b11111) {
2961                 case 0: op = rv_op_zext_h; break;
2962                 default: op = rv_op_packw; break;
2963                 }
2964                 break;
2965             case 130: op = rv_op_sh1add_uw; break;
2966             case 132: op = rv_op_sh2add_uw; break;
2967             case 134: op = rv_op_sh3add_uw; break;
2968             case 256: op = rv_op_subw; break;
2969             case 261: op = rv_op_sraw; break;
2970             case 385: op = rv_op_rolw; break;
2971             case 389: op = rv_op_rorw; break;
2972             }
2973             break;
2974         case 16:
2975             switch ((inst >> 25) & 0b11) {
2976             case 0: op = rv_op_fmadd_s; break;
2977             case 1: op = rv_op_fmadd_d; break;
2978             case 3: op = rv_op_fmadd_q; break;
2979             }
2980             break;
2981         case 17:
2982             switch ((inst >> 25) & 0b11) {
2983             case 0: op = rv_op_fmsub_s; break;
2984             case 1: op = rv_op_fmsub_d; break;
2985             case 3: op = rv_op_fmsub_q; break;
2986             }
2987             break;
2988         case 18:
2989             switch ((inst >> 25) & 0b11) {
2990             case 0: op = rv_op_fnmsub_s; break;
2991             case 1: op = rv_op_fnmsub_d; break;
2992             case 3: op = rv_op_fnmsub_q; break;
2993             }
2994             break;
2995         case 19:
2996             switch ((inst >> 25) & 0b11) {
2997             case 0: op = rv_op_fnmadd_s; break;
2998             case 1: op = rv_op_fnmadd_d; break;
2999             case 3: op = rv_op_fnmadd_q; break;
3000             }
3001             break;
3002         case 20:
3003             switch ((inst >> 25) & 0b1111111) {
3004             case 0: op = rv_op_fadd_s; break;
3005             case 1: op = rv_op_fadd_d; break;
3006             case 3: op = rv_op_fadd_q; break;
3007             case 4: op = rv_op_fsub_s; break;
3008             case 5: op = rv_op_fsub_d; break;
3009             case 7: op = rv_op_fsub_q; break;
3010             case 8: op = rv_op_fmul_s; break;
3011             case 9: op = rv_op_fmul_d; break;
3012             case 11: op = rv_op_fmul_q; break;
3013             case 12: op = rv_op_fdiv_s; break;
3014             case 13: op = rv_op_fdiv_d; break;
3015             case 15: op = rv_op_fdiv_q; break;
3016             case 16:
3017                 switch ((inst >> 12) & 0b111) {
3018                 case 0: op = rv_op_fsgnj_s; break;
3019                 case 1: op = rv_op_fsgnjn_s; break;
3020                 case 2: op = rv_op_fsgnjx_s; break;
3021                 }
3022                 break;
3023             case 17:
3024                 switch ((inst >> 12) & 0b111) {
3025                 case 0: op = rv_op_fsgnj_d; break;
3026                 case 1: op = rv_op_fsgnjn_d; break;
3027                 case 2: op = rv_op_fsgnjx_d; break;
3028                 }
3029                 break;
3030             case 19:
3031                 switch ((inst >> 12) & 0b111) {
3032                 case 0: op = rv_op_fsgnj_q; break;
3033                 case 1: op = rv_op_fsgnjn_q; break;
3034                 case 2: op = rv_op_fsgnjx_q; break;
3035                 }
3036                 break;
3037             case 20:
3038                 switch ((inst >> 12) & 0b111) {
3039                 case 0: op = rv_op_fmin_s; break;
3040                 case 1: op = rv_op_fmax_s; break;
3041                 case 2: op = rv_op_fminm_s; break;
3042                 case 3: op = rv_op_fmaxm_s; break;
3043                 }
3044                 break;
3045             case 21:
3046                 switch ((inst >> 12) & 0b111) {
3047                 case 0: op = rv_op_fmin_d; break;
3048                 case 1: op = rv_op_fmax_d; break;
3049                 case 2: op = rv_op_fminm_d; break;
3050                 case 3: op = rv_op_fmaxm_d; break;
3051                 }
3052                 break;
3053             case 22:
3054                 switch (((inst >> 12) & 0b111)) {
3055                 case 2: op = rv_op_fminm_h; break;
3056                 case 3: op = rv_op_fmaxm_h; break;
3057                 }
3058                 break;
3059             case 23:
3060                 switch ((inst >> 12) & 0b111) {
3061                 case 0: op = rv_op_fmin_q; break;
3062                 case 1: op = rv_op_fmax_q; break;
3063                 case 2: op = rv_op_fminm_q; break;
3064                 case 3: op = rv_op_fmaxm_q; break;
3065                 }
3066                 break;
3067             case 32:
3068                 switch ((inst >> 20) & 0b11111) {
3069                 case 1: op = rv_op_fcvt_s_d; break;
3070                 case 3: op = rv_op_fcvt_s_q; break;
3071                 case 4: op = rv_op_fround_s; break;
3072                 case 5: op = rv_op_froundnx_s; break;
3073                 case 6: op = rv_op_fcvt_s_bf16; break;
3074                 }
3075                 break;
3076             case 33:
3077                 switch ((inst >> 20) & 0b11111) {
3078                 case 0: op = rv_op_fcvt_d_s; break;
3079                 case 3: op = rv_op_fcvt_d_q; break;
3080                 case 4: op = rv_op_fround_d; break;
3081                 case 5: op = rv_op_froundnx_d; break;
3082                 }
3083                 break;
3084             case 34:
3085                 switch (((inst >> 20) & 0b11111)) {
3086                 case 4: op = rv_op_fround_h; break;
3087                 case 5: op = rv_op_froundnx_h; break;
3088                 case 8: op = rv_op_fcvt_bf16_s; break;
3089                 }
3090                 break;
3091             case 35:
3092                 switch ((inst >> 20) & 0b11111) {
3093                 case 0: op = rv_op_fcvt_q_s; break;
3094                 case 1: op = rv_op_fcvt_q_d; break;
3095                 case 4: op = rv_op_fround_q; break;
3096                 case 5: op = rv_op_froundnx_q; break;
3097                 }
3098                 break;
3099             case 44:
3100                 switch ((inst >> 20) & 0b11111) {
3101                 case 0: op = rv_op_fsqrt_s; break;
3102                 }
3103                 break;
3104             case 45:
3105                 switch ((inst >> 20) & 0b11111) {
3106                 case 0: op = rv_op_fsqrt_d; break;
3107                 }
3108                 break;
3109             case 47:
3110                 switch ((inst >> 20) & 0b11111) {
3111                 case 0: op = rv_op_fsqrt_q; break;
3112                 }
3113                 break;
3114             case 80:
3115                 switch ((inst >> 12) & 0b111) {
3116                 case 0: op = rv_op_fle_s; break;
3117                 case 1: op = rv_op_flt_s; break;
3118                 case 2: op = rv_op_feq_s; break;
3119                 case 4: op = rv_op_fleq_s; break;
3120                 case 5: op = rv_op_fltq_s; break;
3121                 }
3122                 break;
3123             case 81:
3124                 switch ((inst >> 12) & 0b111) {
3125                 case 0: op = rv_op_fle_d; break;
3126                 case 1: op = rv_op_flt_d; break;
3127                 case 2: op = rv_op_feq_d; break;
3128                 case 4: op = rv_op_fleq_d; break;
3129                 case 5: op = rv_op_fltq_d; break;
3130                 }
3131                 break;
3132             case 82:
3133                 switch (((inst >> 12) & 0b111)) {
3134                 case 4: op = rv_op_fleq_h; break;
3135                 case 5: op = rv_op_fltq_h; break;
3136                 }
3137                 break;
3138             case 83:
3139                 switch ((inst >> 12) & 0b111) {
3140                 case 0: op = rv_op_fle_q; break;
3141                 case 1: op = rv_op_flt_q; break;
3142                 case 2: op = rv_op_feq_q; break;
3143                 case 4: op = rv_op_fleq_q; break;
3144                 case 5: op = rv_op_fltq_q; break;
3145                 }
3146                 break;
3147             case 89:
3148                 switch (((inst >> 12) & 0b111)) {
3149                 case 0: op = rv_op_fmvp_d_x; break;
3150                 }
3151                 break;
3152             case 91:
3153                 switch (((inst >> 12) & 0b111)) {
3154                 case 0: op = rv_op_fmvp_q_x; break;
3155                 }
3156                 break;
3157             case 96:
3158                 switch ((inst >> 20) & 0b11111) {
3159                 case 0: op = rv_op_fcvt_w_s; break;
3160                 case 1: op = rv_op_fcvt_wu_s; break;
3161                 case 2: op = rv_op_fcvt_l_s; break;
3162                 case 3: op = rv_op_fcvt_lu_s; break;
3163                 }
3164                 break;
3165             case 97:
3166                 switch ((inst >> 20) & 0b11111) {
3167                 case 0: op = rv_op_fcvt_w_d; break;
3168                 case 1: op = rv_op_fcvt_wu_d; break;
3169                 case 2: op = rv_op_fcvt_l_d; break;
3170                 case 3: op = rv_op_fcvt_lu_d; break;
3171                 case 8: op = rv_op_fcvtmod_w_d; break;
3172                 }
3173                 break;
3174             case 99:
3175                 switch ((inst >> 20) & 0b11111) {
3176                 case 0: op = rv_op_fcvt_w_q; break;
3177                 case 1: op = rv_op_fcvt_wu_q; break;
3178                 case 2: op = rv_op_fcvt_l_q; break;
3179                 case 3: op = rv_op_fcvt_lu_q; break;
3180                 }
3181                 break;
3182             case 104:
3183                 switch ((inst >> 20) & 0b11111) {
3184                 case 0: op = rv_op_fcvt_s_w; break;
3185                 case 1: op = rv_op_fcvt_s_wu; break;
3186                 case 2: op = rv_op_fcvt_s_l; break;
3187                 case 3: op = rv_op_fcvt_s_lu; break;
3188                 }
3189                 break;
3190             case 105:
3191                 switch ((inst >> 20) & 0b11111) {
3192                 case 0: op = rv_op_fcvt_d_w; break;
3193                 case 1: op = rv_op_fcvt_d_wu; break;
3194                 case 2: op = rv_op_fcvt_d_l; break;
3195                 case 3: op = rv_op_fcvt_d_lu; break;
3196                 }
3197                 break;
3198             case 107:
3199                 switch ((inst >> 20) & 0b11111) {
3200                 case 0: op = rv_op_fcvt_q_w; break;
3201                 case 1: op = rv_op_fcvt_q_wu; break;
3202                 case 2: op = rv_op_fcvt_q_l; break;
3203                 case 3: op = rv_op_fcvt_q_lu; break;
3204                 }
3205                 break;
3206             case 112:
3207                 switch (((inst >> 17) & 0b11111000) |
3208                         ((inst >> 12) & 0b00000111)) {
3209                 case 0: op = rv_op_fmv_x_s; break;
3210                 case 1: op = rv_op_fclass_s; break;
3211                 }
3212                 break;
3213             case 113:
3214                 switch (((inst >> 17) & 0b11111000) |
3215                         ((inst >> 12) & 0b00000111)) {
3216                 case 0: op = rv_op_fmv_x_d; break;
3217                 case 1: op = rv_op_fclass_d; break;
3218                 case 8: op = rv_op_fmvh_x_d; break;
3219                 }
3220                 break;
3221             case 114:
3222                 switch (((inst >> 17) & 0b11111000) |
3223                         ((inst >> 12) & 0b00000111)) {
3224                 case 0: op = rv_op_fmv_x_h; break;
3225                 }
3226                 break;
3227             case 115:
3228                 switch (((inst >> 17) & 0b11111000) |
3229                         ((inst >> 12) & 0b00000111)) {
3230                 case 0: op = rv_op_fmv_x_q; break;
3231                 case 1: op = rv_op_fclass_q; break;
3232                 case 8: op = rv_op_fmvh_x_q; break;
3233                 }
3234                 break;
3235             case 120:
3236                 switch (((inst >> 17) & 0b11111000) |
3237                         ((inst >> 12) & 0b00000111)) {
3238                 case 0: op = rv_op_fmv_s_x; break;
3239                 case 8: op = rv_op_fli_s; break;
3240                 }
3241                 break;
3242             case 121:
3243                 switch (((inst >> 17) & 0b11111000) |
3244                         ((inst >> 12) & 0b00000111)) {
3245                 case 0: op = rv_op_fmv_d_x; break;
3246                 case 8: op = rv_op_fli_d; break;
3247                 }
3248                 break;
3249             case 122:
3250                 switch (((inst >> 17) & 0b11111000) |
3251                         ((inst >> 12) & 0b00000111)) {
3252                 case 0: op = rv_op_fmv_h_x; break;
3253                 case 8: op = rv_op_fli_h; break;
3254                 }
3255                 break;
3256             case 123:
3257                 switch (((inst >> 17) & 0b11111000) |
3258                         ((inst >> 12) & 0b00000111)) {
3259                 case 0: op = rv_op_fmv_q_x; break;
3260                 case 8: op = rv_op_fli_q; break;
3261                 }
3262                 break;
3263             }
3264             break;
3265         case 21:
3266             switch ((inst >> 12) & 0b111) {
3267             case 0:
3268                 switch ((inst >> 26) & 0b111111) {
3269                 case 0: op = rv_op_vadd_vv; break;
3270                 case 1: op = rv_op_vandn_vv; break;
3271                 case 2: op = rv_op_vsub_vv; break;
3272                 case 4: op = rv_op_vminu_vv; break;
3273                 case 5: op = rv_op_vmin_vv; break;
3274                 case 6: op = rv_op_vmaxu_vv; break;
3275                 case 7: op = rv_op_vmax_vv; break;
3276                 case 9: op = rv_op_vand_vv; break;
3277                 case 10: op = rv_op_vor_vv; break;
3278                 case 11: op = rv_op_vxor_vv; break;
3279                 case 12: op = rv_op_vrgather_vv; break;
3280                 case 14: op = rv_op_vrgatherei16_vv; break;
3281                 case 16:
3282                     if (((inst >> 25) & 1) == 0) {
3283                         op = rv_op_vadc_vvm;
3284                     }
3285                     break;
3286                 case 17: op = rv_op_vmadc_vvm; break;
3287                 case 18:
3288                     if (((inst >> 25) & 1) == 0) {
3289                         op = rv_op_vsbc_vvm;
3290                     }
3291                     break;
3292                 case 19: op = rv_op_vmsbc_vvm; break;
3293                 case 20: op = rv_op_vror_vv; break;
3294                 case 21: op = rv_op_vrol_vv; break;
3295                 case 23:
3296                     if (((inst >> 20) & 0b111111) == 32)
3297                         op = rv_op_vmv_v_v;
3298                     else if (((inst >> 25) & 1) == 0)
3299                         op = rv_op_vmerge_vvm;
3300                     break;
3301                 case 24: op = rv_op_vmseq_vv; break;
3302                 case 25: op = rv_op_vmsne_vv; break;
3303                 case 26: op = rv_op_vmsltu_vv; break;
3304                 case 27: op = rv_op_vmslt_vv; break;
3305                 case 28: op = rv_op_vmsleu_vv; break;
3306                 case 29: op = rv_op_vmsle_vv; break;
3307                 case 32: op = rv_op_vsaddu_vv; break;
3308                 case 33: op = rv_op_vsadd_vv; break;
3309                 case 34: op = rv_op_vssubu_vv; break;
3310                 case 35: op = rv_op_vssub_vv; break;
3311                 case 37: op = rv_op_vsll_vv; break;
3312                 case 39: op = rv_op_vsmul_vv; break;
3313                 case 40: op = rv_op_vsrl_vv; break;
3314                 case 41: op = rv_op_vsra_vv; break;
3315                 case 42: op = rv_op_vssrl_vv; break;
3316                 case 43: op = rv_op_vssra_vv; break;
3317                 case 44: op = rv_op_vnsrl_wv; break;
3318                 case 45: op = rv_op_vnsra_wv; break;
3319                 case 46: op = rv_op_vnclipu_wv; break;
3320                 case 47: op = rv_op_vnclip_wv; break;
3321                 case 48: op = rv_op_vwredsumu_vs; break;
3322                 case 49: op = rv_op_vwredsum_vs; break;
3323                 case 53: op = rv_op_vwsll_vv; break;
3324                 }
3325                 break;
3326             case 1:
3327                 switch ((inst >> 26) & 0b111111) {
3328                 case 0: op = rv_op_vfadd_vv; break;
3329                 case 1: op = rv_op_vfredusum_vs; break;
3330                 case 2: op = rv_op_vfsub_vv; break;
3331                 case 3: op = rv_op_vfredosum_vs; break;
3332                 case 4: op = rv_op_vfmin_vv; break;
3333                 case 5: op = rv_op_vfredmin_vs; break;
3334                 case 6: op = rv_op_vfmax_vv; break;
3335                 case 7: op = rv_op_vfredmax_vs; break;
3336                 case 8: op = rv_op_vfsgnj_vv; break;
3337                 case 9: op = rv_op_vfsgnjn_vv; break;
3338                 case 10: op = rv_op_vfsgnjx_vv; break;
3339                 case 16:
3340                     switch ((inst >> 15) & 0b11111) {
3341                     case 0: if ((inst >> 25) & 1) op = rv_op_vfmv_f_s; break;
3342                     }
3343                     break;
3344                 case 18:
3345                     switch ((inst >> 15) & 0b11111) {
3346                     case 0: op = rv_op_vfcvt_xu_f_v; break;
3347                     case 1: op = rv_op_vfcvt_x_f_v; break;
3348                     case 2: op = rv_op_vfcvt_f_xu_v; break;
3349                     case 3: op = rv_op_vfcvt_f_x_v; break;
3350                     case 6: op = rv_op_vfcvt_rtz_xu_f_v; break;
3351                     case 7: op = rv_op_vfcvt_rtz_x_f_v; break;
3352                     case 8: op = rv_op_vfwcvt_xu_f_v; break;
3353                     case 9: op = rv_op_vfwcvt_x_f_v; break;
3354                     case 10: op = rv_op_vfwcvt_f_xu_v; break;
3355                     case 11: op = rv_op_vfwcvt_f_x_v; break;
3356                     case 12: op = rv_op_vfwcvt_f_f_v; break;
3357                     case 13: op = rv_op_vfwcvtbf16_f_f_v; break;
3358                     case 14: op = rv_op_vfwcvt_rtz_xu_f_v; break;
3359                     case 15: op = rv_op_vfwcvt_rtz_x_f_v; break;
3360                     case 16: op = rv_op_vfncvt_xu_f_w; break;
3361                     case 17: op = rv_op_vfncvt_x_f_w; break;
3362                     case 18: op = rv_op_vfncvt_f_xu_w; break;
3363                     case 19: op = rv_op_vfncvt_f_x_w; break;
3364                     case 20: op = rv_op_vfncvt_f_f_w; break;
3365                     case 21: op = rv_op_vfncvt_rod_f_f_w; break;
3366                     case 22: op = rv_op_vfncvt_rtz_xu_f_w; break;
3367                     case 23: op = rv_op_vfncvt_rtz_x_f_w; break;
3368                     case 29: op = rv_op_vfncvtbf16_f_f_w; break;
3369                     }
3370                     break;
3371                 case 19:
3372                     switch ((inst >> 15) & 0b11111) {
3373                     case 0: op = rv_op_vfsqrt_v; break;
3374                     case 4: op = rv_op_vfrsqrt7_v; break;
3375                     case 5: op = rv_op_vfrec7_v; break;
3376                     case 16: op = rv_op_vfclass_v; break;
3377                     }
3378                     break;
3379                 case 24: op = rv_op_vmfeq_vv; break;
3380                 case 25: op = rv_op_vmfle_vv; break;
3381                 case 27: op = rv_op_vmflt_vv; break;
3382                 case 28: op = rv_op_vmfne_vv; break;
3383                 case 32: op = rv_op_vfdiv_vv; break;
3384                 case 36: op = rv_op_vfmul_vv; break;
3385                 case 40: op = rv_op_vfmadd_vv; break;
3386                 case 41: op = rv_op_vfnmadd_vv; break;
3387                 case 42: op = rv_op_vfmsub_vv; break;
3388                 case 43: op = rv_op_vfnmsub_vv; break;
3389                 case 44: op = rv_op_vfmacc_vv; break;
3390                 case 45: op = rv_op_vfnmacc_vv; break;
3391                 case 46: op = rv_op_vfmsac_vv; break;
3392                 case 47: op = rv_op_vfnmsac_vv; break;
3393                 case 48: op = rv_op_vfwadd_vv; break;
3394                 case 49: op = rv_op_vfwredusum_vs; break;
3395                 case 50: op = rv_op_vfwsub_vv; break;
3396                 case 51: op = rv_op_vfwredosum_vs; break;
3397                 case 52: op = rv_op_vfwadd_wv; break;
3398                 case 54: op = rv_op_vfwsub_wv; break;
3399                 case 56: op = rv_op_vfwmul_vv; break;
3400                 case 59: op = rv_op_vfwmaccbf16_vv; break;
3401                 case 60: op = rv_op_vfwmacc_vv; break;
3402                 case 61: op = rv_op_vfwnmacc_vv; break;
3403                 case 62: op = rv_op_vfwmsac_vv; break;
3404                 case 63: op = rv_op_vfwnmsac_vv; break;
3405                 }
3406                 break;
3407             case 2:
3408                 switch ((inst >> 26) & 0b111111) {
3409                 case 0: op = rv_op_vredsum_vs; break;
3410                 case 1: op = rv_op_vredand_vs; break;
3411                 case 2: op = rv_op_vredor_vs; break;
3412                 case 3: op = rv_op_vredxor_vs; break;
3413                 case 4: op = rv_op_vredminu_vs; break;
3414                 case 5: op = rv_op_vredmin_vs; break;
3415                 case 6: op = rv_op_vredmaxu_vs; break;
3416                 case 7: op = rv_op_vredmax_vs; break;
3417                 case 8: op = rv_op_vaaddu_vv; break;
3418                 case 9: op = rv_op_vaadd_vv; break;
3419                 case 10: op = rv_op_vasubu_vv; break;
3420                 case 11: op = rv_op_vasub_vv; break;
3421                 case 12: op = rv_op_vclmul_vv; break;
3422                 case 13: op = rv_op_vclmulh_vv; break;
3423                 case 16:
3424                     switch ((inst >> 15) & 0b11111) {
3425                     case 0: if ((inst >> 25) & 1) op = rv_op_vmv_x_s; break;
3426                     case 16: op = rv_op_vcpop_m; break;
3427                     case 17: op = rv_op_vfirst_m; break;
3428                     }
3429                     break;
3430                 case 18:
3431                     switch ((inst >> 15) & 0b11111) {
3432                     case 2: op = rv_op_vzext_vf8; break;
3433                     case 3: op = rv_op_vsext_vf8; break;
3434                     case 4: op = rv_op_vzext_vf4; break;
3435                     case 5: op = rv_op_vsext_vf4; break;
3436                     case 6: op = rv_op_vzext_vf2; break;
3437                     case 7: op = rv_op_vsext_vf2; break;
3438                     case 8: op = rv_op_vbrev8_v; break;
3439                     case 9: op = rv_op_vrev8_v; break;
3440                     case 10: op = rv_op_vbrev_v; break;
3441                     case 12: op = rv_op_vclz_v; break;
3442                     case 13: op = rv_op_vctz_v; break;
3443                     case 14: op = rv_op_vcpop_v; break;
3444                     }
3445                     break;
3446                 case 20:
3447                     switch ((inst >> 15) & 0b11111) {
3448                     case 1: op = rv_op_vmsbf_m;  break;
3449                     case 2: op = rv_op_vmsof_m; break;
3450                     case 3: op = rv_op_vmsif_m; break;
3451                     case 16: op = rv_op_viota_m; break;
3452                     case 17:
3453                         if (((inst >> 20) & 0b11111) == 0) {
3454                             op = rv_op_vid_v;
3455                         }
3456                         break;
3457                     }
3458                     break;
3459                 case 23: if ((inst >> 25) & 1) op = rv_op_vcompress_vm; break;
3460                 case 24: if ((inst >> 25) & 1) op = rv_op_vmandn_mm; break;
3461                 case 25: if ((inst >> 25) & 1) op = rv_op_vmand_mm; break;
3462                 case 26: if ((inst >> 25) & 1) op = rv_op_vmor_mm; break;
3463                 case 27: if ((inst >> 25) & 1) op = rv_op_vmxor_mm; break;
3464                 case 28: if ((inst >> 25) & 1) op = rv_op_vmorn_mm; break;
3465                 case 29: if ((inst >> 25) & 1) op = rv_op_vmnand_mm; break;
3466                 case 30: if ((inst >> 25) & 1) op = rv_op_vmnor_mm; break;
3467                 case 31: if ((inst >> 25) & 1) op = rv_op_vmxnor_mm; break;
3468                 case 32: op = rv_op_vdivu_vv; break;
3469                 case 33: op = rv_op_vdiv_vv; break;
3470                 case 34: op = rv_op_vremu_vv; break;
3471                 case 35: op = rv_op_vrem_vv; break;
3472                 case 36: op = rv_op_vmulhu_vv; break;
3473                 case 37: op = rv_op_vmul_vv; break;
3474                 case 38: op = rv_op_vmulhsu_vv; break;
3475                 case 39: op = rv_op_vmulh_vv; break;
3476                 case 41: op = rv_op_vmadd_vv; break;
3477                 case 43: op = rv_op_vnmsub_vv; break;
3478                 case 45: op = rv_op_vmacc_vv; break;
3479                 case 47: op = rv_op_vnmsac_vv; break;
3480                 case 48: op = rv_op_vwaddu_vv; break;
3481                 case 49: op = rv_op_vwadd_vv; break;
3482                 case 50: op = rv_op_vwsubu_vv; break;
3483                 case 51: op = rv_op_vwsub_vv; break;
3484                 case 52: op = rv_op_vwaddu_wv; break;
3485                 case 53: op = rv_op_vwadd_wv; break;
3486                 case 54: op = rv_op_vwsubu_wv; break;
3487                 case 55: op = rv_op_vwsub_wv; break;
3488                 case 56: op = rv_op_vwmulu_vv; break;
3489                 case 58: op = rv_op_vwmulsu_vv; break;
3490                 case 59: op = rv_op_vwmul_vv; break;
3491                 case 60: op = rv_op_vwmaccu_vv; break;
3492                 case 61: op = rv_op_vwmacc_vv; break;
3493                 case 63: op = rv_op_vwmaccsu_vv; break;
3494                 }
3495                 break;
3496             case 3:
3497                 switch ((inst >> 26) & 0b111111) {
3498                 case 0: op = rv_op_vadd_vi; break;
3499                 case 3: op = rv_op_vrsub_vi; break;
3500                 case 9: op = rv_op_vand_vi; break;
3501                 case 10: op = rv_op_vor_vi; break;
3502                 case 11: op = rv_op_vxor_vi; break;
3503                 case 12: op = rv_op_vrgather_vi; break;
3504                 case 14: op = rv_op_vslideup_vi; break;
3505                 case 15: op = rv_op_vslidedown_vi; break;
3506                 case 16:
3507                     if (((inst >> 25) & 1) == 0) {
3508                         op = rv_op_vadc_vim;
3509                     }
3510                     break;
3511                 case 17: op = rv_op_vmadc_vim; break;
3512                 case 20: case 21: op = rv_op_vror_vi; break;
3513                 case 23:
3514                     if (((inst >> 20) & 0b111111) == 32)
3515                         op = rv_op_vmv_v_i;
3516                     else if (((inst >> 25) & 1) == 0)
3517                         op = rv_op_vmerge_vim;
3518                     break;
3519                 case 24: op = rv_op_vmseq_vi; break;
3520                 case 25: op = rv_op_vmsne_vi; break;
3521                 case 28: op = rv_op_vmsleu_vi; break;
3522                 case 29: op = rv_op_vmsle_vi; break;
3523                 case 30: op = rv_op_vmsgtu_vi; break;
3524                 case 31: op = rv_op_vmsgt_vi; break;
3525                 case 32: op = rv_op_vsaddu_vi; break;
3526                 case 33: op = rv_op_vsadd_vi; break;
3527                 case 37: op = rv_op_vsll_vi; break;
3528                 case 39:
3529                     switch ((inst >> 15) & 0b11111) {
3530                     case 0: op = rv_op_vmv1r_v; break;
3531                     case 1: op = rv_op_vmv2r_v; break;
3532                     case 3: op = rv_op_vmv4r_v; break;
3533                     case 7: op = rv_op_vmv8r_v; break;
3534                     }
3535                     break;
3536                 case 40: op = rv_op_vsrl_vi; break;
3537                 case 41: op = rv_op_vsra_vi; break;
3538                 case 42: op = rv_op_vssrl_vi; break;
3539                 case 43: op = rv_op_vssra_vi; break;
3540                 case 44: op = rv_op_vnsrl_wi; break;
3541                 case 45: op = rv_op_vnsra_wi; break;
3542                 case 46: op = rv_op_vnclipu_wi; break;
3543                 case 47: op = rv_op_vnclip_wi; break;
3544                 case 53: op = rv_op_vwsll_vi; break;
3545                 }
3546                 break;
3547             case 4:
3548                 switch ((inst >> 26) & 0b111111) {
3549                 case 0: op = rv_op_vadd_vx; break;
3550                 case 1: op = rv_op_vandn_vx; break;
3551                 case 2: op = rv_op_vsub_vx; break;
3552                 case 3: op = rv_op_vrsub_vx; break;
3553                 case 4: op = rv_op_vminu_vx; break;
3554                 case 5: op = rv_op_vmin_vx; break;
3555                 case 6: op = rv_op_vmaxu_vx; break;
3556                 case 7: op = rv_op_vmax_vx; break;
3557                 case 9: op = rv_op_vand_vx; break;
3558                 case 10: op = rv_op_vor_vx; break;
3559                 case 11: op = rv_op_vxor_vx; break;
3560                 case 12: op = rv_op_vrgather_vx; break;
3561                 case 14: op = rv_op_vslideup_vx; break;
3562                 case 15: op = rv_op_vslidedown_vx; break;
3563                 case 16:
3564                     if (((inst >> 25) & 1) == 0) {
3565                         op = rv_op_vadc_vxm;
3566                     }
3567                     break;
3568                 case 17: op = rv_op_vmadc_vxm; break;
3569                 case 18:
3570                     if (((inst >> 25) & 1) == 0) {
3571                         op = rv_op_vsbc_vxm;
3572                     }
3573                     break;
3574                 case 19: op = rv_op_vmsbc_vxm; break;
3575                 case 20: op = rv_op_vror_vx; break;
3576                 case 21: op = rv_op_vrol_vx; break;
3577                 case 23:
3578                     if (((inst >> 20) & 0b111111) == 32)
3579                         op = rv_op_vmv_v_x;
3580                     else if (((inst >> 25) & 1) == 0)
3581                         op = rv_op_vmerge_vxm;
3582                     break;
3583                 case 24: op = rv_op_vmseq_vx; break;
3584                 case 25: op = rv_op_vmsne_vx; break;
3585                 case 26: op = rv_op_vmsltu_vx; break;
3586                 case 27: op = rv_op_vmslt_vx; break;
3587                 case 28: op = rv_op_vmsleu_vx; break;
3588                 case 29: op = rv_op_vmsle_vx; break;
3589                 case 30: op = rv_op_vmsgtu_vx; break;
3590                 case 31: op = rv_op_vmsgt_vx; break;
3591                 case 32: op = rv_op_vsaddu_vx; break;
3592                 case 33: op = rv_op_vsadd_vx; break;
3593                 case 34: op = rv_op_vssubu_vx; break;
3594                 case 35: op = rv_op_vssub_vx; break;
3595                 case 37: op = rv_op_vsll_vx; break;
3596                 case 39: op = rv_op_vsmul_vx; break;
3597                 case 40: op = rv_op_vsrl_vx; break;
3598                 case 41: op = rv_op_vsra_vx; break;
3599                 case 42: op = rv_op_vssrl_vx; break;
3600                 case 43: op = rv_op_vssra_vx; break;
3601                 case 44: op = rv_op_vnsrl_wx; break;
3602                 case 45: op = rv_op_vnsra_wx; break;
3603                 case 46: op = rv_op_vnclipu_wx; break;
3604                 case 47: op = rv_op_vnclip_wx; break;
3605                 case 53: op = rv_op_vwsll_vx; break;
3606                 }
3607                 break;
3608             case 5:
3609                 switch ((inst >> 26) & 0b111111) {
3610                 case 0: op = rv_op_vfadd_vf; break;
3611                 case 2: op = rv_op_vfsub_vf; break;
3612                 case 4: op = rv_op_vfmin_vf; break;
3613                 case 6: op = rv_op_vfmax_vf; break;
3614                 case 8: op = rv_op_vfsgnj_vf; break;
3615                 case 9: op = rv_op_vfsgnjn_vf; break;
3616                 case 10: op = rv_op_vfsgnjx_vf; break;
3617                 case 14: op = rv_op_vfslide1up_vf; break;
3618                 case 15: op = rv_op_vfslide1down_vf; break;
3619                 case 16:
3620                     switch ((inst >> 20) & 0b11111) {
3621                     case 0: if ((inst >> 25) & 1) op = rv_op_vfmv_s_f; break;
3622                     }
3623                     break;
3624                 case 23:
3625                     if (((inst >> 25) & 1) == 0)
3626                         op = rv_op_vfmerge_vfm;
3627                     else if (((inst >> 20) & 0b111111) == 32)
3628                         op = rv_op_vfmv_v_f;
3629                     break;
3630                 case 24: op = rv_op_vmfeq_vf; break;
3631                 case 25: op = rv_op_vmfle_vf; break;
3632                 case 27: op = rv_op_vmflt_vf; break;
3633                 case 28: op = rv_op_vmfne_vf; break;
3634                 case 29: op = rv_op_vmfgt_vf; break;
3635                 case 31: op = rv_op_vmfge_vf; break;
3636                 case 32: op = rv_op_vfdiv_vf; break;
3637                 case 33: op = rv_op_vfrdiv_vf; break;
3638                 case 36: op = rv_op_vfmul_vf; break;
3639                 case 39: op = rv_op_vfrsub_vf; break;
3640                 case 40: op = rv_op_vfmadd_vf; break;
3641                 case 41: op = rv_op_vfnmadd_vf; break;
3642                 case 42: op = rv_op_vfmsub_vf; break;
3643                 case 43: op = rv_op_vfnmsub_vf; break;
3644                 case 44: op = rv_op_vfmacc_vf; break;
3645                 case 45: op = rv_op_vfnmacc_vf; break;
3646                 case 46: op = rv_op_vfmsac_vf; break;
3647                 case 47: op = rv_op_vfnmsac_vf; break;
3648                 case 48: op = rv_op_vfwadd_vf; break;
3649                 case 50: op = rv_op_vfwsub_vf; break;
3650                 case 52: op = rv_op_vfwadd_wf; break;
3651                 case 54: op = rv_op_vfwsub_wf; break;
3652                 case 56: op = rv_op_vfwmul_vf; break;
3653                 case 59: op = rv_op_vfwmaccbf16_vf; break;
3654                 case 60: op = rv_op_vfwmacc_vf; break;
3655                 case 61: op = rv_op_vfwnmacc_vf; break;
3656                 case 62: op = rv_op_vfwmsac_vf; break;
3657                 case 63: op = rv_op_vfwnmsac_vf; break;
3658                 }
3659                 break;
3660             case 6:
3661                 switch ((inst >> 26) & 0b111111) {
3662                 case 8: op = rv_op_vaaddu_vx; break;
3663                 case 9: op = rv_op_vaadd_vx; break;
3664                 case 10: op = rv_op_vasubu_vx; break;
3665                 case 11: op = rv_op_vasub_vx; break;
3666                 case 12: op = rv_op_vclmul_vx; break;
3667                 case 13: op = rv_op_vclmulh_vx; break;
3668                 case 14: op = rv_op_vslide1up_vx; break;
3669                 case 15: op = rv_op_vslide1down_vx; break;
3670                 case 16:
3671                     switch ((inst >> 20) & 0b11111) {
3672                     case 0: if ((inst >> 25) & 1) op = rv_op_vmv_s_x; break;
3673                     }
3674                     break;
3675                 case 32: op = rv_op_vdivu_vx; break;
3676                 case 33: op = rv_op_vdiv_vx; break;
3677                 case 34: op = rv_op_vremu_vx; break;
3678                 case 35: op = rv_op_vrem_vx; break;
3679                 case 36: op = rv_op_vmulhu_vx; break;
3680                 case 37: op = rv_op_vmul_vx; break;
3681                 case 38: op = rv_op_vmulhsu_vx; break;
3682                 case 39: op = rv_op_vmulh_vx; break;
3683                 case 41: op = rv_op_vmadd_vx; break;
3684                 case 43: op = rv_op_vnmsub_vx; break;
3685                 case 45: op = rv_op_vmacc_vx; break;
3686                 case 47: op = rv_op_vnmsac_vx; break;
3687                 case 48: op = rv_op_vwaddu_vx; break;
3688                 case 49: op = rv_op_vwadd_vx; break;
3689                 case 50: op = rv_op_vwsubu_vx; break;
3690                 case 51: op = rv_op_vwsub_vx; break;
3691                 case 52: op = rv_op_vwaddu_wx; break;
3692                 case 53: op = rv_op_vwadd_wx; break;
3693                 case 54: op = rv_op_vwsubu_wx; break;
3694                 case 55: op = rv_op_vwsub_wx; break;
3695                 case 56: op = rv_op_vwmulu_vx; break;
3696                 case 58: op = rv_op_vwmulsu_vx; break;
3697                 case 59: op = rv_op_vwmul_vx; break;
3698                 case 60: op = rv_op_vwmaccu_vx; break;
3699                 case 61: op = rv_op_vwmacc_vx; break;
3700                 case 62: op = rv_op_vwmaccus_vx; break;
3701                 case 63: op = rv_op_vwmaccsu_vx; break;
3702                 }
3703                 break;
3704             case 7:
3705                 if (((inst >> 31) & 1) == 0) {
3706                     op = rv_op_vsetvli;
3707                 } else if ((inst >> 30) & 1) {
3708                     op = rv_op_vsetivli;
3709                 } else if (((inst >> 25) & 0b11111) == 0) {
3710                     op = rv_op_vsetvl;
3711                 }
3712                 break;
3713             }
3714             break;
3715         case 22:
3716             switch ((inst >> 12) & 0b111) {
3717             case 0: op = rv_op_addid; break;
3718             case 1:
3719                 switch ((inst >> 26) & 0b111111) {
3720                 case 0: op = rv_op_sllid; break;
3721                 }
3722                 break;
3723             case 5:
3724                 switch ((inst >> 26) & 0b111111) {
3725                 case 0: op = rv_op_srlid; break;
3726                 case 16: op = rv_op_sraid; break;
3727                 }
3728                 break;
3729             }
3730             break;
3731         case 24:
3732             switch ((inst >> 12) & 0b111) {
3733             case 0: op = rv_op_beq; break;
3734             case 1: op = rv_op_bne; break;
3735             case 4: op = rv_op_blt; break;
3736             case 5: op = rv_op_bge; break;
3737             case 6: op = rv_op_bltu; break;
3738             case 7: op = rv_op_bgeu; break;
3739             }
3740             break;
3741         case 25:
3742             switch ((inst >> 12) & 0b111) {
3743             case 0: op = rv_op_jalr; break;
3744             }
3745             break;
3746         case 27: op = rv_op_jal; break;
3747         case 28:
3748             switch ((inst >> 12) & 0b111) {
3749             case 0:
3750                 switch (((inst >> 20) & 0b111111100000) |
3751                         ((inst >> 7) & 0b000000011111)) {
3752                 case 0:
3753                     switch ((inst >> 15) & 0b1111111111) {
3754                     case 0: op = rv_op_ecall; break;
3755                     case 32: op = rv_op_ebreak; break;
3756                     case 64: op = rv_op_uret; break;
3757                     }
3758                     break;
3759                 case 256:
3760                     switch ((inst >> 20) & 0b11111) {
3761                     case 2:
3762                         switch ((inst >> 15) & 0b11111) {
3763                         case 0: op = rv_op_sret; break;
3764                         }
3765                         break;
3766                     case 4: op = rv_op_sfence_vm; break;
3767                     case 5:
3768                         switch ((inst >> 15) & 0b11111) {
3769                         case 0: op = rv_op_wfi; break;
3770                         }
3771                         break;
3772                     }
3773                     break;
3774                 case 288: op = rv_op_sfence_vma; break;
3775                 case 512:
3776                     switch ((inst >> 15) & 0b1111111111) {
3777                     case 64: op = rv_op_hret; break;
3778                     }
3779                     break;
3780                 case 768:
3781                     switch ((inst >> 15) & 0b1111111111) {
3782                     case 64: op = rv_op_mret; break;
3783                     }
3784                     break;
3785                 case 1952:
3786                     switch ((inst >> 15) & 0b1111111111) {
3787                     case 576: op = rv_op_dret; break;
3788                     }
3789                     break;
3790                 }
3791                 break;
3792             case 1: op = rv_op_csrrw; break;
3793             case 2: op = rv_op_csrrs; break;
3794             case 3: op = rv_op_csrrc; break;
3795             case 5: op = rv_op_csrrwi; break;
3796             case 6: op = rv_op_csrrsi; break;
3797             case 7: op = rv_op_csrrci; break;
3798             }
3799             break;
3800         case 29:
3801             if (((inst >> 25) & 1) == 1 && ((inst >> 12) & 0b111) == 2) {
3802                 switch ((inst >> 26) & 0b111111) {
3803                 case 32: op = rv_op_vsm3me_vv; break;
3804                 case 33: op = rv_op_vsm4k_vi; break;
3805                 case 34: op = rv_op_vaeskf1_vi; break;
3806                 case 40:
3807                     switch ((inst >> 15) & 0b11111) {
3808                     case 0: op = rv_op_vaesdm_vv; break;
3809                     case 1: op = rv_op_vaesdf_vv; break;
3810                     case 2: op = rv_op_vaesem_vv; break;
3811                     case 3: op = rv_op_vaesef_vv; break;
3812                     case 16: op = rv_op_vsm4r_vv; break;
3813                     case 17: op = rv_op_vgmul_vv; break;
3814                     }
3815                     break;
3816                 case 41:
3817                     switch ((inst >> 15) & 0b11111) {
3818                     case 0: op = rv_op_vaesdm_vs; break;
3819                     case 1: op = rv_op_vaesdf_vs; break;
3820                     case 2: op = rv_op_vaesem_vs; break;
3821                     case 3: op = rv_op_vaesef_vs; break;
3822                     case 7: op = rv_op_vaesz_vs; break;
3823                     case 16: op = rv_op_vsm4r_vs; break;
3824                     }
3825                     break;
3826                 case 42: op = rv_op_vaeskf2_vi; break;
3827                 case 43: op = rv_op_vsm3c_vi; break;
3828                 case 44: op = rv_op_vghsh_vv; break;
3829                 case 45: op = rv_op_vsha2ms_vv; break;
3830                 case 46: op = rv_op_vsha2ch_vv; break;
3831                 case 47: op = rv_op_vsha2cl_vv; break;
3832                 }
3833             }
3834             break;
3835         case 30:
3836             switch (((inst >> 22) & 0b1111111000) |
3837                     ((inst >> 12) & 0b0000000111)) {
3838             case 0: op = rv_op_addd; break;
3839             case 1: op = rv_op_slld; break;
3840             case 5: op = rv_op_srld; break;
3841             case 8: op = rv_op_muld; break;
3842             case 12: op = rv_op_divd; break;
3843             case 13: op = rv_op_divud; break;
3844             case 14: op = rv_op_remd; break;
3845             case 15: op = rv_op_remud; break;
3846             case 256: op = rv_op_subd; break;
3847             case 261: op = rv_op_srad; break;
3848             }
3849             break;
3850         }
3851         break;
3852     }
3853     dec->op = op;
3854 }
3855
3856 /* operand extractors */
3857
3858 static uint32_t operand_rd(rv_inst inst)
3859 {
3860     return (inst << 52) >> 59;
3861 }
3862
3863 static uint32_t operand_rs1(rv_inst inst)
3864 {
3865     return (inst << 44) >> 59;
3866 }
3867
3868 static uint32_t operand_rs2(rv_inst inst)
3869 {
3870     return (inst << 39) >> 59;
3871 }
3872
3873 static uint32_t operand_rs3(rv_inst inst)
3874 {
3875     return (inst << 32) >> 59;
3876 }
3877
3878 static uint32_t operand_aq(rv_inst inst)
3879 {
3880     return (inst << 37) >> 63;
3881 }
3882
3883 static uint32_t operand_rl(rv_inst inst)
3884 {
3885     return (inst << 38) >> 63;
3886 }
3887
3888 static uint32_t operand_pred(rv_inst inst)
3889 {
3890     return (inst << 36) >> 60;
3891 }
3892
3893 static uint32_t operand_succ(rv_inst inst)
3894 {
3895     return (inst << 40) >> 60;
3896 }
3897
3898 static uint32_t operand_rm(rv_inst inst)
3899 {
3900     return (inst << 49) >> 61;
3901 }
3902
3903 static uint32_t operand_shamt5(rv_inst inst)
3904 {
3905     return (inst << 39) >> 59;
3906 }
3907
3908 static uint32_t operand_shamt6(rv_inst inst)
3909 {
3910     return (inst << 38) >> 58;
3911 }
3912
3913 static uint32_t operand_shamt7(rv_inst inst)
3914 {
3915     return (inst << 37) >> 57;
3916 }
3917
3918 static uint32_t operand_crdq(rv_inst inst)
3919 {
3920     return (inst << 59) >> 61;
3921 }
3922
3923 static uint32_t operand_crs1q(rv_inst inst)
3924 {
3925     return (inst << 54) >> 61;
3926 }
3927
3928 static uint32_t operand_crs1rdq(rv_inst inst)
3929 {
3930     return (inst << 54) >> 61;
3931 }
3932
3933 static uint32_t operand_crs2q(rv_inst inst)
3934 {
3935     return (inst << 59) >> 61;
3936 }
3937
3938 static uint32_t calculate_xreg(uint32_t sreg)
3939 {
3940     return sreg < 2 ? sreg + 8 : sreg + 16;
3941 }
3942
3943 static uint32_t operand_sreg1(rv_inst inst)
3944 {
3945     return calculate_xreg((inst << 54) >> 61);
3946 }
3947
3948 static uint32_t operand_sreg2(rv_inst inst)
3949 {
3950     return calculate_xreg((inst << 59) >> 61);
3951 }
3952
3953 static uint32_t operand_crd(rv_inst inst)
3954 {
3955     return (inst << 52) >> 59;
3956 }
3957
3958 static uint32_t operand_crs1(rv_inst inst)
3959 {
3960     return (inst << 52) >> 59;
3961 }
3962
3963 static uint32_t operand_crs1rd(rv_inst inst)
3964 {
3965     return (inst << 52) >> 59;
3966 }
3967
3968 static uint32_t operand_crs2(rv_inst inst)
3969 {
3970     return (inst << 57) >> 59;
3971 }
3972
3973 static uint32_t operand_cimmsh5(rv_inst inst)
3974 {
3975     return (inst << 57) >> 59;
3976 }
3977
3978 static uint32_t operand_csr12(rv_inst inst)
3979 {
3980     return (inst << 32) >> 52;
3981 }
3982
3983 static int32_t operand_imm12(rv_inst inst)
3984 {
3985     return ((int64_t)inst << 32) >> 52;
3986 }
3987
3988 static int32_t operand_imm20(rv_inst inst)
3989 {
3990     return (((int64_t)inst << 32) >> 44) << 12;
3991 }
3992
3993 static int32_t operand_jimm20(rv_inst inst)
3994 {
3995     return (((int64_t)inst << 32) >> 63) << 20 |
3996         ((inst << 33) >> 54) << 1 |
3997         ((inst << 43) >> 63) << 11 |
3998         ((inst << 44) >> 56) << 12;
3999 }
4000
4001 static int32_t operand_simm12(rv_inst inst)
4002 {
4003     return (((int64_t)inst << 32) >> 57) << 5 |
4004         (inst << 52) >> 59;
4005 }
4006
4007 static int32_t operand_sbimm12(rv_inst inst)
4008 {
4009     return (((int64_t)inst << 32) >> 63) << 12 |
4010         ((inst << 33) >> 58) << 5 |
4011         ((inst << 52) >> 60) << 1 |
4012         ((inst << 56) >> 63) << 11;
4013 }
4014
4015 static uint32_t operand_cimmshl6(rv_inst inst, rv_isa isa)
4016 {
4017     int imm = ((inst << 51) >> 63) << 5 |
4018         (inst << 57) >> 59;
4019     if (isa == rv128) {
4020         imm = imm ? imm : 64;
4021     }
4022     return imm;
4023 }
4024
4025 static uint32_t operand_cimmshr6(rv_inst inst, rv_isa isa)
4026 {
4027     int imm = ((inst << 51) >> 63) << 5 |
4028         (inst << 57) >> 59;
4029     if (isa == rv128) {
4030         imm = imm | (imm & 32) << 1;
4031         imm = imm ? imm : 64;
4032     }
4033     return imm;
4034 }
4035
4036 static int32_t operand_cimmi(rv_inst inst)
4037 {
4038     return (((int64_t)inst << 51) >> 63) << 5 |
4039         (inst << 57) >> 59;
4040 }
4041
4042 static int32_t operand_cimmui(rv_inst inst)
4043 {
4044     return (((int64_t)inst << 51) >> 63) << 17 |
4045         ((inst << 57) >> 59) << 12;
4046 }
4047
4048 static uint32_t operand_cimmlwsp(rv_inst inst)
4049 {
4050     return ((inst << 51) >> 63) << 5 |
4051         ((inst << 57) >> 61) << 2 |
4052         ((inst << 60) >> 62) << 6;
4053 }
4054
4055 static uint32_t operand_cimmldsp(rv_inst inst)
4056 {
4057     return ((inst << 51) >> 63) << 5 |
4058         ((inst << 57) >> 62) << 3 |
4059         ((inst << 59) >> 61) << 6;
4060 }
4061
4062 static uint32_t operand_cimmlqsp(rv_inst inst)
4063 {
4064     return ((inst << 51) >> 63) << 5 |
4065         ((inst << 57) >> 63) << 4 |
4066         ((inst << 58) >> 60) << 6;
4067 }
4068
4069 static int32_t operand_cimm16sp(rv_inst inst)
4070 {
4071     return (((int64_t)inst << 51) >> 63) << 9 |
4072         ((inst << 57) >> 63) << 4 |
4073         ((inst << 58) >> 63) << 6 |
4074         ((inst << 59) >> 62) << 7 |
4075         ((inst << 61) >> 63) << 5;
4076 }
4077
4078 static int32_t operand_cimmj(rv_inst inst)
4079 {
4080     return (((int64_t)inst << 51) >> 63) << 11 |
4081         ((inst << 52) >> 63) << 4 |
4082         ((inst << 53) >> 62) << 8 |
4083         ((inst << 55) >> 63) << 10 |
4084         ((inst << 56) >> 63) << 6 |
4085         ((inst << 57) >> 63) << 7 |
4086         ((inst << 58) >> 61) << 1 |
4087         ((inst << 61) >> 63) << 5;
4088 }
4089
4090 static int32_t operand_cimmb(rv_inst inst)
4091 {
4092     return (((int64_t)inst << 51) >> 63) << 8 |
4093         ((inst << 52) >> 62) << 3 |
4094         ((inst << 57) >> 62) << 6 |
4095         ((inst << 59) >> 62) << 1 |
4096         ((inst << 61) >> 63) << 5;
4097 }
4098
4099 static uint32_t operand_cimmswsp(rv_inst inst)
4100 {
4101     return ((inst << 51) >> 60) << 2 |
4102         ((inst << 55) >> 62) << 6;
4103 }
4104
4105 static uint32_t operand_cimmsdsp(rv_inst inst)
4106 {
4107     return ((inst << 51) >> 61) << 3 |
4108         ((inst << 54) >> 61) << 6;
4109 }
4110
4111 static uint32_t operand_cimmsqsp(rv_inst inst)
4112 {
4113     return ((inst << 51) >> 62) << 4 |
4114         ((inst << 53) >> 60) << 6;
4115 }
4116
4117 static uint32_t operand_cimm4spn(rv_inst inst)
4118 {
4119     return ((inst << 51) >> 62) << 4 |
4120         ((inst << 53) >> 60) << 6 |
4121         ((inst << 57) >> 63) << 2 |
4122         ((inst << 58) >> 63) << 3;
4123 }
4124
4125 static uint32_t operand_cimmw(rv_inst inst)
4126 {
4127     return ((inst << 51) >> 61) << 3 |
4128         ((inst << 57) >> 63) << 2 |
4129         ((inst << 58) >> 63) << 6;
4130 }
4131
4132 static uint32_t operand_cimmd(rv_inst inst)
4133 {
4134     return ((inst << 51) >> 61) << 3 |
4135         ((inst << 57) >> 62) << 6;
4136 }
4137
4138 static uint32_t operand_cimmq(rv_inst inst)
4139 {
4140     return ((inst << 51) >> 62) << 4 |
4141         ((inst << 53) >> 63) << 8 |
4142         ((inst << 57) >> 62) << 6;
4143 }
4144
4145 static uint32_t operand_vimm(rv_inst inst)
4146 {
4147     return (int64_t)(inst << 44) >> 59;
4148 }
4149
4150 static uint32_t operand_vzimm11(rv_inst inst)
4151 {
4152     return (inst << 33) >> 53;
4153 }
4154
4155 static uint32_t operand_vzimm10(rv_inst inst)
4156 {
4157     return (inst << 34) >> 54;
4158 }
4159
4160 static uint32_t operand_vzimm6(rv_inst inst)
4161 {
4162     return ((inst << 37) >> 63) << 5 |
4163         ((inst << 44) >> 59);
4164 }
4165
4166 static uint32_t operand_bs(rv_inst inst)
4167 {
4168     return (inst << 32) >> 62;
4169 }
4170
4171 static uint32_t operand_rnum(rv_inst inst)
4172 {
4173     return (inst << 40) >> 60;
4174 }
4175
4176 static uint32_t operand_vm(rv_inst inst)
4177 {
4178     return (inst << 38) >> 63;
4179 }
4180
4181 static uint32_t operand_uimm_c_lb(rv_inst inst)
4182 {
4183     return (((inst << 58) >> 63) << 1) |
4184         ((inst << 57) >> 63);
4185 }
4186
4187 static uint32_t operand_uimm_c_lh(rv_inst inst)
4188 {
4189     return (((inst << 58) >> 63) << 1);
4190 }
4191
4192 static uint32_t operand_zcmp_spimm(rv_inst inst)
4193 {
4194     return ((inst << 60) >> 62) << 4;
4195 }
4196
4197 static uint32_t operand_zcmp_rlist(rv_inst inst)
4198 {
4199     return ((inst << 56) >> 60);
4200 }
4201
4202 static uint32_t operand_imm6(rv_inst inst)
4203 {
4204     return (inst << 38) >> 60;
4205 }
4206
4207 static uint32_t operand_imm2(rv_inst inst)
4208 {
4209     return (inst << 37) >> 62;
4210 }
4211
4212 static uint32_t operand_immh(rv_inst inst)
4213 {
4214     return (inst << 32) >> 58;
4215 }
4216
4217 static uint32_t operand_imml(rv_inst inst)
4218 {
4219     return (inst << 38) >> 58;
4220 }
4221
4222 static uint32_t calculate_stack_adj(rv_isa isa, uint32_t rlist, uint32_t spimm)
4223 {
4224     int xlen_bytes_log2 = isa == rv64 ? 3 : 2;
4225     int regs = rlist == 15 ? 13 : rlist - 3;
4226     uint32_t stack_adj_base = ROUND_UP(regs << xlen_bytes_log2, 16);
4227     return stack_adj_base + spimm;
4228 }
4229
4230 static uint32_t operand_zcmp_stack_adj(rv_inst inst, rv_isa isa)
4231 {
4232     return calculate_stack_adj(isa, operand_zcmp_rlist(inst),
4233                                operand_zcmp_spimm(inst));
4234 }
4235
4236 static uint32_t operand_tbl_index(rv_inst inst)
4237 {
4238     return ((inst << 54) >> 56);
4239 }
4240
4241 /* decode operands */
4242
4243 static void decode_inst_operands(rv_decode *dec, rv_isa isa)
4244 {
4245     const rv_opcode_data *opcode_data = dec->opcode_data;
4246     rv_inst inst = dec->inst;
4247     dec->codec = opcode_data[dec->op].codec;
4248     switch (dec->codec) {
4249     case rv_codec_none:
4250         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4251         dec->imm = 0;
4252         break;
4253     case rv_codec_u:
4254         dec->rd = operand_rd(inst);
4255         dec->rs1 = dec->rs2 = rv_ireg_zero;
4256         dec->imm = operand_imm20(inst);
4257         break;
4258     case rv_codec_uj:
4259         dec->rd = operand_rd(inst);
4260         dec->rs1 = dec->rs2 = rv_ireg_zero;
4261         dec->imm = operand_jimm20(inst);
4262         break;
4263     case rv_codec_i:
4264         dec->rd = operand_rd(inst);
4265         dec->rs1 = operand_rs1(inst);
4266         dec->rs2 = rv_ireg_zero;
4267         dec->imm = operand_imm12(inst);
4268         break;
4269     case rv_codec_i_sh5:
4270         dec->rd = operand_rd(inst);
4271         dec->rs1 = operand_rs1(inst);
4272         dec->rs2 = rv_ireg_zero;
4273         dec->imm = operand_shamt5(inst);
4274         break;
4275     case rv_codec_i_sh6:
4276         dec->rd = operand_rd(inst);
4277         dec->rs1 = operand_rs1(inst);
4278         dec->rs2 = rv_ireg_zero;
4279         dec->imm = operand_shamt6(inst);
4280         break;
4281     case rv_codec_i_sh7:
4282         dec->rd = operand_rd(inst);
4283         dec->rs1 = operand_rs1(inst);
4284         dec->rs2 = rv_ireg_zero;
4285         dec->imm = operand_shamt7(inst);
4286         break;
4287     case rv_codec_i_csr:
4288         dec->rd = operand_rd(inst);
4289         dec->rs1 = operand_rs1(inst);
4290         dec->rs2 = rv_ireg_zero;
4291         dec->imm = operand_csr12(inst);
4292         break;
4293     case rv_codec_s:
4294         dec->rd = rv_ireg_zero;
4295         dec->rs1 = operand_rs1(inst);
4296         dec->rs2 = operand_rs2(inst);
4297         dec->imm = operand_simm12(inst);
4298         break;
4299     case rv_codec_sb:
4300         dec->rd = rv_ireg_zero;
4301         dec->rs1 = operand_rs1(inst);
4302         dec->rs2 = operand_rs2(inst);
4303         dec->imm = operand_sbimm12(inst);
4304         break;
4305     case rv_codec_r:
4306         dec->rd = operand_rd(inst);
4307         dec->rs1 = operand_rs1(inst);
4308         dec->rs2 = operand_rs2(inst);
4309         dec->imm = 0;
4310         break;
4311     case rv_codec_r_m:
4312         dec->rd = operand_rd(inst);
4313         dec->rs1 = operand_rs1(inst);
4314         dec->rs2 = operand_rs2(inst);
4315         dec->imm = 0;
4316         dec->rm = operand_rm(inst);
4317         break;
4318     case rv_codec_r4_m:
4319         dec->rd = operand_rd(inst);
4320         dec->rs1 = operand_rs1(inst);
4321         dec->rs2 = operand_rs2(inst);
4322         dec->rs3 = operand_rs3(inst);
4323         dec->imm = 0;
4324         dec->rm = operand_rm(inst);
4325         break;
4326     case rv_codec_r_a:
4327         dec->rd = operand_rd(inst);
4328         dec->rs1 = operand_rs1(inst);
4329         dec->rs2 = operand_rs2(inst);
4330         dec->imm = 0;
4331         dec->aq = operand_aq(inst);
4332         dec->rl = operand_rl(inst);
4333         break;
4334     case rv_codec_r_l:
4335         dec->rd = operand_rd(inst);
4336         dec->rs1 = operand_rs1(inst);
4337         dec->rs2 = rv_ireg_zero;
4338         dec->imm = 0;
4339         dec->aq = operand_aq(inst);
4340         dec->rl = operand_rl(inst);
4341         break;
4342     case rv_codec_r_f:
4343         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4344         dec->pred = operand_pred(inst);
4345         dec->succ = operand_succ(inst);
4346         dec->imm = 0;
4347         break;
4348     case rv_codec_cb:
4349         dec->rd = rv_ireg_zero;
4350         dec->rs1 = operand_crs1q(inst) + 8;
4351         dec->rs2 = rv_ireg_zero;
4352         dec->imm = operand_cimmb(inst);
4353         break;
4354     case rv_codec_cb_imm:
4355         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4356         dec->rs2 = rv_ireg_zero;
4357         dec->imm = operand_cimmi(inst);
4358         break;
4359     case rv_codec_cb_sh5:
4360         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4361         dec->rs2 = rv_ireg_zero;
4362         dec->imm = operand_cimmsh5(inst);
4363         break;
4364     case rv_codec_cb_sh6:
4365         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4366         dec->rs2 = rv_ireg_zero;
4367         dec->imm = operand_cimmshr6(inst, isa);
4368         break;
4369     case rv_codec_ci:
4370         dec->rd = dec->rs1 = operand_crs1rd(inst);
4371         dec->rs2 = rv_ireg_zero;
4372         dec->imm = operand_cimmi(inst);
4373         break;
4374     case rv_codec_ci_sh5:
4375         dec->rd = dec->rs1 = operand_crs1rd(inst);
4376         dec->rs2 = rv_ireg_zero;
4377         dec->imm = operand_cimmsh5(inst);
4378         break;
4379     case rv_codec_ci_sh6:
4380         dec->rd = dec->rs1 = operand_crs1rd(inst);
4381         dec->rs2 = rv_ireg_zero;
4382         dec->imm = operand_cimmshl6(inst, isa);
4383         break;
4384     case rv_codec_ci_16sp:
4385         dec->rd = rv_ireg_sp;
4386         dec->rs1 = rv_ireg_sp;
4387         dec->rs2 = rv_ireg_zero;
4388         dec->imm = operand_cimm16sp(inst);
4389         break;
4390     case rv_codec_ci_lwsp:
4391         dec->rd = operand_crd(inst);
4392         dec->rs1 = rv_ireg_sp;
4393         dec->rs2 = rv_ireg_zero;
4394         dec->imm = operand_cimmlwsp(inst);
4395         break;
4396     case rv_codec_ci_ldsp:
4397         dec->rd = operand_crd(inst);
4398         dec->rs1 = rv_ireg_sp;
4399         dec->rs2 = rv_ireg_zero;
4400         dec->imm = operand_cimmldsp(inst);
4401         break;
4402     case rv_codec_ci_lqsp:
4403         dec->rd = operand_crd(inst);
4404         dec->rs1 = rv_ireg_sp;
4405         dec->rs2 = rv_ireg_zero;
4406         dec->imm = operand_cimmlqsp(inst);
4407         break;
4408     case rv_codec_ci_li:
4409         dec->rd = operand_crd(inst);
4410         dec->rs1 = rv_ireg_zero;
4411         dec->rs2 = rv_ireg_zero;
4412         dec->imm = operand_cimmi(inst);
4413         break;
4414     case rv_codec_ci_lui:
4415         dec->rd = operand_crd(inst);
4416         dec->rs1 = rv_ireg_zero;
4417         dec->rs2 = rv_ireg_zero;
4418         dec->imm = operand_cimmui(inst);
4419         break;
4420     case rv_codec_ci_none:
4421         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4422         dec->imm = 0;
4423         break;
4424     case rv_codec_ciw_4spn:
4425         dec->rd = operand_crdq(inst) + 8;
4426         dec->rs1 = rv_ireg_sp;
4427         dec->rs2 = rv_ireg_zero;
4428         dec->imm = operand_cimm4spn(inst);
4429         break;
4430     case rv_codec_cj:
4431         dec->rd = dec->rs1 = dec->rs2 = rv_ireg_zero;
4432         dec->imm = operand_cimmj(inst);
4433         break;
4434     case rv_codec_cj_jal:
4435         dec->rd = rv_ireg_ra;
4436         dec->rs1 = dec->rs2 = rv_ireg_zero;
4437         dec->imm = operand_cimmj(inst);
4438         break;
4439     case rv_codec_cl_lw:
4440         dec->rd = operand_crdq(inst) + 8;
4441         dec->rs1 = operand_crs1q(inst) + 8;
4442         dec->rs2 = rv_ireg_zero;
4443         dec->imm = operand_cimmw(inst);
4444         break;
4445     case rv_codec_cl_ld:
4446         dec->rd = operand_crdq(inst) + 8;
4447         dec->rs1 = operand_crs1q(inst) + 8;
4448         dec->rs2 = rv_ireg_zero;
4449         dec->imm = operand_cimmd(inst);
4450         break;
4451     case rv_codec_cl_lq:
4452         dec->rd = operand_crdq(inst) + 8;
4453         dec->rs1 = operand_crs1q(inst) + 8;
4454         dec->rs2 = rv_ireg_zero;
4455         dec->imm = operand_cimmq(inst);
4456         break;
4457     case rv_codec_cr:
4458         dec->rd = dec->rs1 = operand_crs1rd(inst);
4459         dec->rs2 = operand_crs2(inst);
4460         dec->imm = 0;
4461         break;
4462     case rv_codec_cr_mv:
4463         dec->rd = operand_crd(inst);
4464         dec->rs1 = operand_crs2(inst);
4465         dec->rs2 = rv_ireg_zero;
4466         dec->imm = 0;
4467         break;
4468     case rv_codec_cr_jalr:
4469         dec->rd = rv_ireg_ra;
4470         dec->rs1 = operand_crs1(inst);
4471         dec->rs2 = rv_ireg_zero;
4472         dec->imm = 0;
4473         break;
4474     case rv_codec_cr_jr:
4475         dec->rd = rv_ireg_zero;
4476         dec->rs1 = operand_crs1(inst);
4477         dec->rs2 = rv_ireg_zero;
4478         dec->imm = 0;
4479         break;
4480     case rv_codec_cs:
4481         dec->rd = dec->rs1 = operand_crs1rdq(inst) + 8;
4482         dec->rs2 = operand_crs2q(inst) + 8;
4483         dec->imm = 0;
4484         break;
4485     case rv_codec_cs_sw:
4486         dec->rd = rv_ireg_zero;
4487         dec->rs1 = operand_crs1q(inst) + 8;
4488         dec->rs2 = operand_crs2q(inst) + 8;
4489         dec->imm = operand_cimmw(inst);
4490         break;
4491     case rv_codec_cs_sd:
4492         dec->rd = rv_ireg_zero;
4493         dec->rs1 = operand_crs1q(inst) + 8;
4494         dec->rs2 = operand_crs2q(inst) + 8;
4495         dec->imm = operand_cimmd(inst);
4496         break;
4497     case rv_codec_cs_sq:
4498         dec->rd = rv_ireg_zero;
4499         dec->rs1 = operand_crs1q(inst) + 8;
4500         dec->rs2 = operand_crs2q(inst) + 8;
4501         dec->imm = operand_cimmq(inst);
4502         break;
4503     case rv_codec_css_swsp:
4504         dec->rd = rv_ireg_zero;
4505         dec->rs1 = rv_ireg_sp;
4506         dec->rs2 = operand_crs2(inst);
4507         dec->imm = operand_cimmswsp(inst);
4508         break;
4509     case rv_codec_css_sdsp:
4510         dec->rd = rv_ireg_zero;
4511         dec->rs1 = rv_ireg_sp;
4512         dec->rs2 = operand_crs2(inst);
4513         dec->imm = operand_cimmsdsp(inst);
4514         break;
4515     case rv_codec_css_sqsp:
4516         dec->rd = rv_ireg_zero;
4517         dec->rs1 = rv_ireg_sp;
4518         dec->rs2 = operand_crs2(inst);
4519         dec->imm = operand_cimmsqsp(inst);
4520         break;
4521     case rv_codec_k_bs:
4522         dec->rs1 = operand_rs1(inst);
4523         dec->rs2 = operand_rs2(inst);
4524         dec->bs = operand_bs(inst);
4525         break;
4526     case rv_codec_k_rnum:
4527         dec->rd = operand_rd(inst);
4528         dec->rs1 = operand_rs1(inst);
4529         dec->rnum = operand_rnum(inst);
4530         break;
4531     case rv_codec_v_r:
4532         dec->rd = operand_rd(inst);
4533         dec->rs1 = operand_rs1(inst);
4534         dec->rs2 = operand_rs2(inst);
4535         dec->vm = operand_vm(inst);
4536         break;
4537     case rv_codec_v_ldst:
4538         dec->rd = operand_rd(inst);
4539         dec->rs1 = operand_rs1(inst);
4540         dec->vm = operand_vm(inst);
4541         break;
4542     case rv_codec_v_i:
4543         dec->rd = operand_rd(inst);
4544         dec->rs2 = operand_rs2(inst);
4545         dec->imm = operand_vimm(inst);
4546         dec->vm = operand_vm(inst);
4547         break;
4548     case rv_codec_vror_vi:
4549         dec->rd = operand_rd(inst);
4550         dec->rs2 = operand_rs2(inst);
4551         dec->imm = operand_vzimm6(inst);
4552         dec->vm = operand_vm(inst);
4553         break;
4554     case rv_codec_vsetvli:
4555         dec->rd = operand_rd(inst);
4556         dec->rs1 = operand_rs1(inst);
4557         dec->vzimm = operand_vzimm11(inst);
4558         break;
4559     case rv_codec_vsetivli:
4560         dec->rd = operand_rd(inst);
4561         dec->imm = operand_vimm(inst);
4562         dec->vzimm = operand_vzimm10(inst);
4563         break;
4564     case rv_codec_zcb_lb:
4565         dec->rs1 = operand_crs1q(inst) + 8;
4566         dec->rs2 = operand_crs2q(inst) + 8;
4567         dec->imm = operand_uimm_c_lb(inst);
4568         break;
4569     case rv_codec_zcb_lh:
4570         dec->rs1 = operand_crs1q(inst) + 8;
4571         dec->rs2 = operand_crs2q(inst) + 8;
4572         dec->imm = operand_uimm_c_lh(inst);
4573         break;
4574     case rv_codec_zcb_ext:
4575         dec->rd = operand_crs1q(inst) + 8;
4576         break;
4577     case rv_codec_zcb_mul:
4578         dec->rd = operand_crs1rdq(inst) + 8;
4579         dec->rs2 = operand_crs2q(inst) + 8;
4580         break;
4581     case rv_codec_zcmp_cm_pushpop:
4582         dec->imm = operand_zcmp_stack_adj(inst, isa);
4583         dec->rlist = operand_zcmp_rlist(inst);
4584         break;
4585     case rv_codec_zcmp_cm_mv:
4586         dec->rd = operand_sreg1(inst);
4587         dec->rs2 = operand_sreg2(inst);
4588         break;
4589     case rv_codec_zcmt_jt:
4590         dec->imm = operand_tbl_index(inst);
4591         break;
4592     case rv_codec_fli:
4593         dec->rd = operand_rd(inst);
4594         dec->imm = operand_rs1(inst);
4595         break;
4596     case rv_codec_r2_imm5:
4597         dec->rd = operand_rd(inst);
4598         dec->rs1 = operand_rs1(inst);
4599         dec->imm = operand_rs2(inst);
4600         break;
4601     case rv_codec_r2:
4602         dec->rd = operand_rd(inst);
4603         dec->rs1 = operand_rs1(inst);
4604         break;
4605     case rv_codec_r2_imm6:
4606         dec->rd = operand_rd(inst);
4607         dec->rs1 = operand_rs1(inst);
4608         dec->imm = operand_imm6(inst);
4609         break;
4610     case rv_codec_r_imm2:
4611         dec->rd = operand_rd(inst);
4612         dec->rs1 = operand_rs1(inst);
4613         dec->rs2 = operand_rs2(inst);
4614         dec->imm = operand_imm2(inst);
4615         break;
4616     case rv_codec_r2_immhl:
4617         dec->rd = operand_rd(inst);
4618         dec->rs1 = operand_rs1(inst);
4619         dec->imm = operand_immh(inst);
4620         dec->imm1 = operand_imml(inst);
4621         break;
4622     case rv_codec_r2_imm2_imm5:
4623         dec->rd = operand_rd(inst);
4624         dec->rs1 = operand_rs1(inst);
4625         dec->imm = sextract32(operand_rs2(inst), 0, 5);
4626         dec->imm1 = operand_imm2(inst);
4627         break;
4628     };
4629 }
4630
4631 /* check constraint */
4632
4633 static bool check_constraints(rv_decode *dec, const rvc_constraint *c)
4634 {
4635     int32_t imm = dec->imm;
4636     uint8_t rd = dec->rd, rs1 = dec->rs1, rs2 = dec->rs2;
4637     while (*c != rvc_end) {
4638         switch (*c) {
4639         case rvc_rd_eq_ra:
4640             if (!(rd == 1)) {
4641                 return false;
4642             }
4643             break;
4644         case rvc_rd_eq_x0:
4645             if (!(rd == 0)) {
4646                 return false;
4647             }
4648             break;
4649         case rvc_rs1_eq_x0:
4650             if (!(rs1 == 0)) {
4651                 return false;
4652             }
4653             break;
4654         case rvc_rs2_eq_x0:
4655             if (!(rs2 == 0)) {
4656                 return false;
4657             }
4658             break;
4659         case rvc_rs2_eq_rs1:
4660             if (!(rs2 == rs1)) {
4661                 return false;
4662             }
4663             break;
4664         case rvc_rs1_eq_ra:
4665             if (!(rs1 == 1)) {
4666                 return false;
4667             }
4668             break;
4669         case rvc_imm_eq_zero:
4670             if (!(imm == 0)) {
4671                 return false;
4672             }
4673             break;
4674         case rvc_imm_eq_n1:
4675             if (!(imm == -1)) {
4676                 return false;
4677             }
4678             break;
4679         case rvc_imm_eq_p1:
4680             if (!(imm == 1)) {
4681                 return false;
4682             }
4683             break;
4684         case rvc_csr_eq_0x001:
4685             if (!(imm == 0x001)) {
4686                 return false;
4687             }
4688             break;
4689         case rvc_csr_eq_0x002:
4690             if (!(imm == 0x002)) {
4691                 return false;
4692             }
4693             break;
4694         case rvc_csr_eq_0x003:
4695             if (!(imm == 0x003)) {
4696                 return false;
4697             }
4698             break;
4699         case rvc_csr_eq_0xc00:
4700             if (!(imm == 0xc00)) {
4701                 return false;
4702             }
4703             break;
4704         case rvc_csr_eq_0xc01:
4705             if (!(imm == 0xc01)) {
4706                 return false;
4707             }
4708             break;
4709         case rvc_csr_eq_0xc02:
4710             if (!(imm == 0xc02)) {
4711                 return false;
4712             }
4713             break;
4714         case rvc_csr_eq_0xc80:
4715             if (!(imm == 0xc80)) {
4716                 return false;
4717             }
4718             break;
4719         case rvc_csr_eq_0xc81:
4720             if (!(imm == 0xc81)) {
4721                 return false;
4722             }
4723             break;
4724         case rvc_csr_eq_0xc82:
4725             if (!(imm == 0xc82)) {
4726                 return false;
4727             }
4728             break;
4729         default: break;
4730         }
4731         c++;
4732     }
4733     return true;
4734 }
4735
4736 /* instruction length */
4737
4738 static size_t inst_length(rv_inst inst)
4739 {
4740     /* NOTE: supports maximum instruction size of 64-bits */
4741
4742     /*
4743      * instruction length coding
4744      *
4745      *      aa - 16 bit aa != 11
4746      *   bbb11 - 32 bit bbb != 111
4747      *  011111 - 48 bit
4748      * 0111111 - 64 bit
4749      */
4750
4751     return (inst &      0b11) != 0b11      ? 2
4752          : (inst &   0b11100) != 0b11100   ? 4
4753          : (inst &  0b111111) == 0b011111  ? 6
4754          : (inst & 0b1111111) == 0b0111111 ? 8
4755          : 0;
4756 }
4757
4758 /* format instruction */
4759
4760 static void append(char *s1, const char *s2, size_t n)
4761 {
4762     size_t l1 = strlen(s1);
4763     if (n - l1 - 1 > 0) {
4764         strncat(s1, s2, n - l1);
4765     }
4766 }
4767
4768 static void format_inst(char *buf, size_t buflen, size_t tab, rv_decode *dec)
4769 {
4770     const rv_opcode_data *opcode_data = dec->opcode_data;
4771     char tmp[64];
4772     const char *fmt;
4773
4774     fmt = opcode_data[dec->op].format;
4775     while (*fmt) {
4776         switch (*fmt) {
4777         case 'O':
4778             append(buf, opcode_data[dec->op].name, buflen);
4779             break;
4780         case '(':
4781             append(buf, "(", buflen);
4782             break;
4783         case ',':
4784             append(buf, ",", buflen);
4785             break;
4786         case ')':
4787             append(buf, ")", buflen);
4788             break;
4789         case '-':
4790             append(buf, "-", buflen);
4791             break;
4792         case 'b':
4793             snprintf(tmp, sizeof(tmp), "%d", dec->bs);
4794             append(buf, tmp, buflen);
4795             break;
4796         case 'n':
4797             snprintf(tmp, sizeof(tmp), "%d", dec->rnum);
4798             append(buf, tmp, buflen);
4799             break;
4800         case '0':
4801             append(buf, rv_ireg_name_sym[dec->rd], buflen);
4802             break;
4803         case '1':
4804             append(buf, rv_ireg_name_sym[dec->rs1], buflen);
4805             break;
4806         case '2':
4807             append(buf, rv_ireg_name_sym[dec->rs2], buflen);
4808             break;
4809         case '3':
4810             append(buf, dec->cfg->ext_zfinx ? rv_ireg_name_sym[dec->rd] :
4811                                               rv_freg_name_sym[dec->rd],
4812                    buflen);
4813             break;
4814         case '4':
4815             append(buf, dec->cfg->ext_zfinx ? rv_ireg_name_sym[dec->rs1] :
4816                                               rv_freg_name_sym[dec->rs1],
4817                    buflen);
4818             break;
4819         case '5':
4820             append(buf, dec->cfg->ext_zfinx ? rv_ireg_name_sym[dec->rs2] :
4821                                               rv_freg_name_sym[dec->rs2],
4822                    buflen);
4823             break;
4824         case '6':
4825             append(buf, dec->cfg->ext_zfinx ? rv_ireg_name_sym[dec->rs3] :
4826                                               rv_freg_name_sym[dec->rs3],
4827                    buflen);
4828             break;
4829         case '7':
4830             snprintf(tmp, sizeof(tmp), "%d", dec->rs1);
4831             append(buf, tmp, buflen);
4832             break;
4833         case 'i':
4834             snprintf(tmp, sizeof(tmp), "%d", dec->imm);
4835             append(buf, tmp, buflen);
4836             break;
4837         case 'u':
4838             snprintf(tmp, sizeof(tmp), "%u", ((uint32_t)dec->imm & 0b111111));
4839             append(buf, tmp, buflen);
4840             break;
4841         case 'j':
4842             snprintf(tmp, sizeof(tmp), "%d", dec->imm1);
4843             append(buf, tmp, buflen);
4844             break;
4845         case 'o':
4846             snprintf(tmp, sizeof(tmp), "%d", dec->imm);
4847             append(buf, tmp, buflen);
4848             while (strlen(buf) < tab * 2) {
4849                 append(buf, " ", buflen);
4850             }
4851             snprintf(tmp, sizeof(tmp), "# 0x%" PRIx64,
4852                 dec->pc + dec->imm);
4853             append(buf, tmp, buflen);
4854             break;
4855         case 'U':
4856             fmt++;
4857             snprintf(tmp, sizeof(tmp), "%d", dec->imm >> 12);
4858             append(buf, tmp, buflen);
4859             if (*fmt == 'o') {
4860                 while (strlen(buf) < tab * 2) {
4861                     append(buf, " ", buflen);
4862                 }
4863                 snprintf(tmp, sizeof(tmp), "# 0x%" PRIx64,
4864                     dec->pc + dec->imm);
4865                 append(buf, tmp, buflen);
4866             }
4867             break;
4868         case 'c': {
4869             const char *name = csr_name(dec->imm & 0xfff);
4870             if (name) {
4871                 append(buf, name, buflen);
4872             } else {
4873                 snprintf(tmp, sizeof(tmp), "0x%03x", dec->imm & 0xfff);
4874                 append(buf, tmp, buflen);
4875             }
4876             break;
4877         }
4878         case 'r':
4879             switch (dec->rm) {
4880             case rv_rm_rne:
4881                 append(buf, "rne", buflen);
4882                 break;
4883             case rv_rm_rtz:
4884                 append(buf, "rtz", buflen);
4885                 break;
4886             case rv_rm_rdn:
4887                 append(buf, "rdn", buflen);
4888                 break;
4889             case rv_rm_rup:
4890                 append(buf, "rup", buflen);
4891                 break;
4892             case rv_rm_rmm:
4893                 append(buf, "rmm", buflen);
4894                 break;
4895             case rv_rm_dyn:
4896                 append(buf, "dyn", buflen);
4897                 break;
4898             default:
4899                 append(buf, "inv", buflen);
4900                 break;
4901             }
4902             break;
4903         case 'p':
4904             if (dec->pred & rv_fence_i) {
4905                 append(buf, "i", buflen);
4906             }
4907             if (dec->pred & rv_fence_o) {
4908                 append(buf, "o", buflen);
4909             }
4910             if (dec->pred & rv_fence_r) {
4911                 append(buf, "r", buflen);
4912             }
4913             if (dec->pred & rv_fence_w) {
4914                 append(buf, "w", buflen);
4915             }
4916             break;
4917         case 's':
4918             if (dec->succ & rv_fence_i) {
4919                 append(buf, "i", buflen);
4920             }
4921             if (dec->succ & rv_fence_o) {
4922                 append(buf, "o", buflen);
4923             }
4924             if (dec->succ & rv_fence_r) {
4925                 append(buf, "r", buflen);
4926             }
4927             if (dec->succ & rv_fence_w) {
4928                 append(buf, "w", buflen);
4929             }
4930             break;
4931         case '\t':
4932             while (strlen(buf) < tab) {
4933                 append(buf, " ", buflen);
4934             }
4935             break;
4936         case 'A':
4937             if (dec->aq) {
4938                 append(buf, ".aq", buflen);
4939             }
4940             break;
4941         case 'R':
4942             if (dec->rl) {
4943                 append(buf, ".rl", buflen);
4944             }
4945             break;
4946         case 'l':
4947             append(buf, ",v0", buflen);
4948             break;
4949         case 'm':
4950             if (dec->vm == 0) {
4951                 append(buf, ",v0.t", buflen);
4952             }
4953             break;
4954         case 'D':
4955             append(buf, rv_vreg_name_sym[dec->rd], buflen);
4956             break;
4957         case 'E':
4958             append(buf, rv_vreg_name_sym[dec->rs1], buflen);
4959             break;
4960         case 'F':
4961             append(buf, rv_vreg_name_sym[dec->rs2], buflen);
4962             break;
4963         case 'G':
4964             append(buf, rv_vreg_name_sym[dec->rs3], buflen);
4965             break;
4966         case 'v': {
4967             char nbuf[32] = {0};
4968             const int sew = 1 << (((dec->vzimm >> 3) & 0b111) + 3);
4969             sprintf(nbuf, "%d", sew);
4970             const int lmul = dec->vzimm & 0b11;
4971             const int flmul = (dec->vzimm >> 2) & 1;
4972             const char *vta = (dec->vzimm >> 6) & 1 ? "ta" : "tu";
4973             const char *vma = (dec->vzimm >> 7) & 1 ? "ma" : "mu";
4974             append(buf, "e", buflen);
4975             append(buf, nbuf, buflen);
4976             append(buf, ",m", buflen);
4977             if (flmul) {
4978                 switch (lmul) {
4979                 case 3:
4980                     sprintf(nbuf, "f2");
4981                     break;
4982                 case 2:
4983                     sprintf(nbuf, "f4");
4984                     break;
4985                 case 1:
4986                     sprintf(nbuf, "f8");
4987                 break;
4988                 }
4989                 append(buf, nbuf, buflen);
4990             } else {
4991                 sprintf(nbuf, "%d", 1 << lmul);
4992                 append(buf, nbuf, buflen);
4993             }
4994             append(buf, ",", buflen);
4995             append(buf, vta, buflen);
4996             append(buf, ",", buflen);
4997             append(buf, vma, buflen);
4998             break;
4999         }
5000         case 'x': {
5001             switch (dec->rlist) {
5002             case 4:
5003                 snprintf(tmp, sizeof(tmp), "{ra}");
5004                 break;
5005             case 5:
5006                 snprintf(tmp, sizeof(tmp), "{ra, s0}");
5007                 break;
5008             case 15:
5009                 snprintf(tmp, sizeof(tmp), "{ra, s0-s11}");
5010                 break;
5011             default:
5012                 snprintf(tmp, sizeof(tmp), "{ra, s0-s%d}", dec->rlist - 5);
5013                 break;
5014             }
5015             append(buf, tmp, buflen);
5016             break;
5017         }
5018         case 'h':
5019             append(buf, rv_fli_name_const[dec->imm], buflen);
5020             break;
5021         default:
5022             break;
5023         }
5024         fmt++;
5025     }
5026 }
5027
5028 /* lift instruction to pseudo-instruction */
5029
5030 static void decode_inst_lift_pseudo(rv_decode *dec)
5031 {
5032     const rv_opcode_data *opcode_data = dec->opcode_data;
5033     const rv_comp_data *comp_data = opcode_data[dec->op].pseudo;
5034     if (!comp_data) {
5035         return;
5036     }
5037     while (comp_data->constraints) {
5038         if (check_constraints(dec, comp_data->constraints)) {
5039             dec->op = comp_data->op;
5040             dec->codec = opcode_data[dec->op].codec;
5041             return;
5042         }
5043         comp_data++;
5044     }
5045 }
5046
5047 /* decompress instruction */
5048
5049 static void decode_inst_decompress_rv32(rv_decode *dec)
5050 {
5051     const rv_opcode_data *opcode_data = dec->opcode_data;
5052     int decomp_op = opcode_data[dec->op].decomp_rv32;
5053     if (decomp_op != rv_op_illegal) {
5054         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
5055             && dec->imm == 0) {
5056             dec->op = rv_op_illegal;
5057         } else {
5058             dec->op = decomp_op;
5059             dec->codec = opcode_data[decomp_op].codec;
5060         }
5061     }
5062 }
5063
5064 static void decode_inst_decompress_rv64(rv_decode *dec)
5065 {
5066     const rv_opcode_data *opcode_data = dec->opcode_data;
5067     int decomp_op = opcode_data[dec->op].decomp_rv64;
5068     if (decomp_op != rv_op_illegal) {
5069         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
5070             && dec->imm == 0) {
5071             dec->op = rv_op_illegal;
5072         } else {
5073             dec->op = decomp_op;
5074             dec->codec = opcode_data[decomp_op].codec;
5075         }
5076     }
5077 }
5078
5079 static void decode_inst_decompress_rv128(rv_decode *dec)
5080 {
5081     const rv_opcode_data *opcode_data = dec->opcode_data;
5082     int decomp_op = opcode_data[dec->op].decomp_rv128;
5083     if (decomp_op != rv_op_illegal) {
5084         if ((opcode_data[dec->op].decomp_data & rvcd_imm_nz)
5085             && dec->imm == 0) {
5086             dec->op = rv_op_illegal;
5087         } else {
5088             dec->op = decomp_op;
5089             dec->codec = opcode_data[decomp_op].codec;
5090         }
5091     }
5092 }
5093
5094 static void decode_inst_decompress(rv_decode *dec, rv_isa isa)
5095 {
5096     switch (isa) {
5097     case rv32:
5098         decode_inst_decompress_rv32(dec);
5099         break;
5100     case rv64:
5101         decode_inst_decompress_rv64(dec);
5102         break;
5103     case rv128:
5104         decode_inst_decompress_rv128(dec);
5105         break;
5106     }
5107 }
5108
5109 /* disassemble instruction */
5110
5111 static void
5112 disasm_inst(char *buf, size_t buflen, rv_isa isa, uint64_t pc, rv_inst inst,
5113             RISCVCPUConfig *cfg)
5114 {
5115     rv_decode dec = { 0 };
5116     dec.pc = pc;
5117     dec.inst = inst;
5118     dec.cfg = cfg;
5119
5120     static const struct {
5121         bool (*guard_func)(const RISCVCPUConfig *);
5122         const rv_opcode_data *opcode_data;
5123         void (*decode_func)(rv_decode *, rv_isa);
5124     } decoders[] = {
5125         { always_true_p, rvi_opcode_data, decode_inst_opcode },
5126         { has_xtheadba_p, xthead_opcode_data, decode_xtheadba },
5127         { has_xtheadbb_p, xthead_opcode_data, decode_xtheadbb },
5128         { has_xtheadbs_p, xthead_opcode_data, decode_xtheadbs },
5129         { has_xtheadcmo_p, xthead_opcode_data, decode_xtheadcmo },
5130         { has_xtheadcondmov_p, xthead_opcode_data, decode_xtheadcondmov },
5131         { has_xtheadfmemidx_p, xthead_opcode_data, decode_xtheadfmemidx },
5132         { has_xtheadfmv_p, xthead_opcode_data, decode_xtheadfmv },
5133         { has_xtheadmac_p, xthead_opcode_data, decode_xtheadmac },
5134         { has_xtheadmemidx_p, xthead_opcode_data, decode_xtheadmemidx },
5135         { has_xtheadmempair_p, xthead_opcode_data, decode_xtheadmempair },
5136         { has_xtheadsync_p, xthead_opcode_data, decode_xtheadsync },
5137         { has_XVentanaCondOps_p, ventana_opcode_data, decode_xventanacondops },
5138     };
5139
5140     for (size_t i = 0; i < ARRAY_SIZE(decoders); i++) {
5141         bool (*guard_func)(const RISCVCPUConfig *) = decoders[i].guard_func;
5142         const rv_opcode_data *opcode_data = decoders[i].opcode_data;
5143         void (*decode_func)(rv_decode *, rv_isa) = decoders[i].decode_func;
5144
5145         if (guard_func(cfg)) {
5146             dec.opcode_data = opcode_data;
5147             decode_func(&dec, isa);
5148             if (dec.op != rv_op_illegal)
5149                 break;
5150         }
5151     }
5152
5153     if (dec.op == rv_op_illegal) {
5154         dec.opcode_data = rvi_opcode_data;
5155     }
5156
5157     decode_inst_operands(&dec, isa);
5158     decode_inst_decompress(&dec, isa);
5159     decode_inst_lift_pseudo(&dec);
5160     format_inst(buf, buflen, 24, &dec);
5161 }
5162
5163 #define INST_FMT_2 "%04" PRIx64 "              "
5164 #define INST_FMT_4 "%08" PRIx64 "          "
5165 #define INST_FMT_6 "%012" PRIx64 "      "
5166 #define INST_FMT_8 "%016" PRIx64 "  "
5167
5168 static int
5169 print_insn_riscv(bfd_vma memaddr, struct disassemble_info *info, rv_isa isa)
5170 {
5171     char buf[128] = { 0 };
5172     bfd_byte packet[2];
5173     rv_inst inst = 0;
5174     size_t len = 2;
5175     bfd_vma n;
5176     int status;
5177
5178     /* Instructions are made of 2-byte packets in little-endian order */
5179     for (n = 0; n < len; n += 2) {
5180         status = (*info->read_memory_func)(memaddr + n, packet, 2, info);
5181         if (status != 0) {
5182             /* Don't fail just because we fell off the end.  */
5183             if (n > 0) {
5184                 break;
5185             }
5186             (*info->memory_error_func)(status, memaddr, info);
5187             return status;
5188         }
5189         inst |= ((rv_inst) bfd_getl16(packet)) << (8 * n);
5190         if (n == 0) {
5191             len = inst_length(inst);
5192         }
5193     }
5194
5195     switch (len) {
5196     case 2:
5197         (*info->fprintf_func)(info->stream, INST_FMT_2, inst);
5198         break;
5199     case 4:
5200         (*info->fprintf_func)(info->stream, INST_FMT_4, inst);
5201         break;
5202     case 6:
5203         (*info->fprintf_func)(info->stream, INST_FMT_6, inst);
5204         break;
5205     default:
5206         (*info->fprintf_func)(info->stream, INST_FMT_8, inst);
5207         break;
5208     }
5209
5210     disasm_inst(buf, sizeof(buf), isa, memaddr, inst,
5211                 (RISCVCPUConfig *)info->target_info);
5212     (*info->fprintf_func)(info->stream, "%s", buf);
5213
5214     return len;
5215 }
5216
5217 int print_insn_riscv32(bfd_vma memaddr, struct disassemble_info *info)
5218 {
5219     return print_insn_riscv(memaddr, info, rv32);
5220 }
5221
5222 int print_insn_riscv64(bfd_vma memaddr, struct disassemble_info *info)
5223 {
5224     return print_insn_riscv(memaddr, info, rv64);
5225 }
5226
5227 int print_insn_riscv128(bfd_vma memaddr, struct disassemble_info *info)
5228 {
5229     return print_insn_riscv(memaddr, info, rv128);
5230 }