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