enum Opcode [src]
Wasm instruction opcodes
All instructions are defined as per spec:
https://webassembly.github.io/spec/core/appendix/index-instructions.html
    Fields
@"unreachable" = 0x00
nop = 0x01
block = 0x02
loop = 0x03
@"if" = 0x04
@"else" = 0x05
end = 0x0B
br = 0x0C
br_if = 0x0D
br_table = 0x0E
@"return" = 0x0F
call = 0x10
call_indirect = 0x11
drop = 0x1A
select = 0x1B
local_get = 0x20
local_set = 0x21
local_tee = 0x22
global_get = 0x23
global_set = 0x24
i32_load = 0x28
i64_load = 0x29
f32_load = 0x2A
f64_load = 0x2B
i32_load8_s = 0x2C
i32_load8_u = 0x2D
i32_load16_s = 0x2E
i32_load16_u = 0x2F
i64_load8_s = 0x30
i64_load8_u = 0x31
i64_load16_s = 0x32
i64_load16_u = 0x33
i64_load32_s = 0x34
i64_load32_u = 0x35
i32_store = 0x36
i64_store = 0x37
f32_store = 0x38
f64_store = 0x39
i32_store8 = 0x3A
i32_store16 = 0x3B
i64_store8 = 0x3C
i64_store16 = 0x3D
i64_store32 = 0x3E
memory_size = 0x3F
memory_grow = 0x40
i32_const = 0x41
i64_const = 0x42
f32_const = 0x43
f64_const = 0x44
i32_eqz = 0x45
i32_eq = 0x46
i32_ne = 0x47
i32_lt_s = 0x48
i32_lt_u = 0x49
i32_gt_s = 0x4A
i32_gt_u = 0x4B
i32_le_s = 0x4C
i32_le_u = 0x4D
i32_ge_s = 0x4E
i32_ge_u = 0x4F
i64_eqz = 0x50
i64_eq = 0x51
i64_ne = 0x52
i64_lt_s = 0x53
i64_lt_u = 0x54
i64_gt_s = 0x55
i64_gt_u = 0x56
i64_le_s = 0x57
i64_le_u = 0x58
i64_ge_s = 0x59
i64_ge_u = 0x5A
f32_eq = 0x5B
f32_ne = 0x5C
f32_lt = 0x5D
f32_gt = 0x5E
f32_le = 0x5F
f32_ge = 0x60
f64_eq = 0x61
f64_ne = 0x62
f64_lt = 0x63
f64_gt = 0x64
f64_le = 0x65
f64_ge = 0x66
i32_clz = 0x67
i32_ctz = 0x68
i32_popcnt = 0x69
i32_add = 0x6A
i32_sub = 0x6B
i32_mul = 0x6C
i32_div_s = 0x6D
i32_div_u = 0x6E
i32_rem_s = 0x6F
i32_rem_u = 0x70
i32_and = 0x71
i32_or = 0x72
i32_xor = 0x73
i32_shl = 0x74
i32_shr_s = 0x75
i32_shr_u = 0x76
i32_rotl = 0x77
i32_rotr = 0x78
i64_clz = 0x79
i64_ctz = 0x7A
i64_popcnt = 0x7B
i64_add = 0x7C
i64_sub = 0x7D
i64_mul = 0x7E
i64_div_s = 0x7F
i64_div_u = 0x80
i64_rem_s = 0x81
i64_rem_u = 0x82
i64_and = 0x83
i64_or = 0x84
i64_xor = 0x85
i64_shl = 0x86
i64_shr_s = 0x87
i64_shr_u = 0x88
i64_rotl = 0x89
i64_rotr = 0x8A
f32_abs = 0x8B
f32_neg = 0x8C
f32_ceil = 0x8D
f32_floor = 0x8E
f32_trunc = 0x8F
f32_nearest = 0x90
f32_sqrt = 0x91
f32_add = 0x92
f32_sub = 0x93
f32_mul = 0x94
f32_div = 0x95
f32_min = 0x96
f32_max = 0x97
f32_copysign = 0x98
f64_abs = 0x99
f64_neg = 0x9A
f64_ceil = 0x9B
f64_floor = 0x9C
f64_trunc = 0x9D
f64_nearest = 0x9E
f64_sqrt = 0x9F
f64_add = 0xA0
f64_sub = 0xA1
f64_mul = 0xA2
f64_div = 0xA3
f64_min = 0xA4
f64_max = 0xA5
f64_copysign = 0xA6
i32_wrap_i64 = 0xA7
i32_trunc_f32_s = 0xA8
i32_trunc_f32_u = 0xA9
i32_trunc_f64_s = 0xAA
i32_trunc_f64_u = 0xAB
i64_extend_i32_s = 0xAC
i64_extend_i32_u = 0xAD
i64_trunc_f32_s = 0xAE
i64_trunc_f32_u = 0xAF
i64_trunc_f64_s = 0xB0
i64_trunc_f64_u = 0xB1
f32_convert_i32_s = 0xB2
f32_convert_i32_u = 0xB3
f32_convert_i64_s = 0xB4
f32_convert_i64_u = 0xB5
f32_demote_f64 = 0xB6
f64_convert_i32_s = 0xB7
f64_convert_i32_u = 0xB8
f64_convert_i64_s = 0xB9
f64_convert_i64_u = 0xBA
f64_promote_f32 = 0xBB
i32_reinterpret_f32 = 0xBC
i64_reinterpret_f64 = 0xBD
f32_reinterpret_i32 = 0xBE
f64_reinterpret_i64 = 0xBF
i32_extend8_s = 0xC0
i32_extend16_s = 0xC1
i64_extend8_s = 0xC2
i64_extend16_s = 0xC3
i64_extend32_s = 0xC4
misc_prefix = 0xFC
simd_prefix = 0xFD
atomics_prefix = 0xFE
_
 Source
 pub const Opcode = enum(u8) {
    @"unreachable" = 0x00,
    nop = 0x01,
    block = 0x02,
    loop = 0x03,
    @"if" = 0x04,
    @"else" = 0x05,
    end = 0x0B,
    br = 0x0C,
    br_if = 0x0D,
    br_table = 0x0E,
    @"return" = 0x0F,
    call = 0x10,
    call_indirect = 0x11,
    drop = 0x1A,
    select = 0x1B,
    local_get = 0x20,
    local_set = 0x21,
    local_tee = 0x22,
    global_get = 0x23,
    global_set = 0x24,
    i32_load = 0x28,
    i64_load = 0x29,
    f32_load = 0x2A,
    f64_load = 0x2B,
    i32_load8_s = 0x2C,
    i32_load8_u = 0x2D,
    i32_load16_s = 0x2E,
    i32_load16_u = 0x2F,
    i64_load8_s = 0x30,
    i64_load8_u = 0x31,
    i64_load16_s = 0x32,
    i64_load16_u = 0x33,
    i64_load32_s = 0x34,
    i64_load32_u = 0x35,
    i32_store = 0x36,
    i64_store = 0x37,
    f32_store = 0x38,
    f64_store = 0x39,
    i32_store8 = 0x3A,
    i32_store16 = 0x3B,
    i64_store8 = 0x3C,
    i64_store16 = 0x3D,
    i64_store32 = 0x3E,
    memory_size = 0x3F,
    memory_grow = 0x40,
    i32_const = 0x41,
    i64_const = 0x42,
    f32_const = 0x43,
    f64_const = 0x44,
    i32_eqz = 0x45,
    i32_eq = 0x46,
    i32_ne = 0x47,
    i32_lt_s = 0x48,
    i32_lt_u = 0x49,
    i32_gt_s = 0x4A,
    i32_gt_u = 0x4B,
    i32_le_s = 0x4C,
    i32_le_u = 0x4D,
    i32_ge_s = 0x4E,
    i32_ge_u = 0x4F,
    i64_eqz = 0x50,
    i64_eq = 0x51,
    i64_ne = 0x52,
    i64_lt_s = 0x53,
    i64_lt_u = 0x54,
    i64_gt_s = 0x55,
    i64_gt_u = 0x56,
    i64_le_s = 0x57,
    i64_le_u = 0x58,
    i64_ge_s = 0x59,
    i64_ge_u = 0x5A,
    f32_eq = 0x5B,
    f32_ne = 0x5C,
    f32_lt = 0x5D,
    f32_gt = 0x5E,
    f32_le = 0x5F,
    f32_ge = 0x60,
    f64_eq = 0x61,
    f64_ne = 0x62,
    f64_lt = 0x63,
    f64_gt = 0x64,
    f64_le = 0x65,
    f64_ge = 0x66,
    i32_clz = 0x67,
    i32_ctz = 0x68,
    i32_popcnt = 0x69,
    i32_add = 0x6A,
    i32_sub = 0x6B,
    i32_mul = 0x6C,
    i32_div_s = 0x6D,
    i32_div_u = 0x6E,
    i32_rem_s = 0x6F,
    i32_rem_u = 0x70,
    i32_and = 0x71,
    i32_or = 0x72,
    i32_xor = 0x73,
    i32_shl = 0x74,
    i32_shr_s = 0x75,
    i32_shr_u = 0x76,
    i32_rotl = 0x77,
    i32_rotr = 0x78,
    i64_clz = 0x79,
    i64_ctz = 0x7A,
    i64_popcnt = 0x7B,
    i64_add = 0x7C,
    i64_sub = 0x7D,
    i64_mul = 0x7E,
    i64_div_s = 0x7F,
    i64_div_u = 0x80,
    i64_rem_s = 0x81,
    i64_rem_u = 0x82,
    i64_and = 0x83,
    i64_or = 0x84,
    i64_xor = 0x85,
    i64_shl = 0x86,
    i64_shr_s = 0x87,
    i64_shr_u = 0x88,
    i64_rotl = 0x89,
    i64_rotr = 0x8A,
    f32_abs = 0x8B,
    f32_neg = 0x8C,
    f32_ceil = 0x8D,
    f32_floor = 0x8E,
    f32_trunc = 0x8F,
    f32_nearest = 0x90,
    f32_sqrt = 0x91,
    f32_add = 0x92,
    f32_sub = 0x93,
    f32_mul = 0x94,
    f32_div = 0x95,
    f32_min = 0x96,
    f32_max = 0x97,
    f32_copysign = 0x98,
    f64_abs = 0x99,
    f64_neg = 0x9A,
    f64_ceil = 0x9B,
    f64_floor = 0x9C,
    f64_trunc = 0x9D,
    f64_nearest = 0x9E,
    f64_sqrt = 0x9F,
    f64_add = 0xA0,
    f64_sub = 0xA1,
    f64_mul = 0xA2,
    f64_div = 0xA3,
    f64_min = 0xA4,
    f64_max = 0xA5,
    f64_copysign = 0xA6,
    i32_wrap_i64 = 0xA7,
    i32_trunc_f32_s = 0xA8,
    i32_trunc_f32_u = 0xA9,
    i32_trunc_f64_s = 0xAA,
    i32_trunc_f64_u = 0xAB,
    i64_extend_i32_s = 0xAC,
    i64_extend_i32_u = 0xAD,
    i64_trunc_f32_s = 0xAE,
    i64_trunc_f32_u = 0xAF,
    i64_trunc_f64_s = 0xB0,
    i64_trunc_f64_u = 0xB1,
    f32_convert_i32_s = 0xB2,
    f32_convert_i32_u = 0xB3,
    f32_convert_i64_s = 0xB4,
    f32_convert_i64_u = 0xB5,
    f32_demote_f64 = 0xB6,
    f64_convert_i32_s = 0xB7,
    f64_convert_i32_u = 0xB8,
    f64_convert_i64_s = 0xB9,
    f64_convert_i64_u = 0xBA,
    f64_promote_f32 = 0xBB,
    i32_reinterpret_f32 = 0xBC,
    i64_reinterpret_f64 = 0xBD,
    f32_reinterpret_i32 = 0xBE,
    f64_reinterpret_i64 = 0xBF,
    i32_extend8_s = 0xC0,
    i32_extend16_s = 0xC1,
    i64_extend8_s = 0xC2,
    i64_extend16_s = 0xC3,
    i64_extend32_s = 0xC4,
    misc_prefix = 0xFC,
    simd_prefix = 0xFD,
    atomics_prefix = 0xFE,
    _,
}