wasm-micro-runtime/core/iwasm/interpreter/wasm_interp_fast.c

/*
 * Copyright (C) 2019 Intel Corporation.  All rights reserved.
 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 */

#include "wasm_interp.h"
#include "bh_log.h"
#include "wasm_runtime.h"
#include "wasm_opcode.h"
#include "wasm_loader.h"
#include "../common/wasm_exec_env.h"
#if WASM_ENABLE_SHARED_MEMORY != 0
#include "../common/wasm_shared_memory.h"
#endif

typedef int32 CellType_I32;
typedef int64 CellType_I64;
typedef float32 CellType_F32;
typedef float64 CellType_F64;

#define CHECK_MEMORY_OVERFLOW(bytes)                             \
    do {                                                         \
        uint64 offset1 = (uint64)offset + (uint64)addr;          \
        if (offset1 + bytes <= (uint64)linear_mem_size)          \
            /* If offset1 is in valid range, maddr must also     \
                be in valid range, no need to check it again. */ \
            maddr = memory->memory_data + offset1;               \
        else                                                     \
            goto out_of_bounds;                                  \
    } while (0)

#define CHECK_BULK_MEMORY_OVERFLOW(start, bytes, maddr) \
    do {                                                \
        uint64 offset1 = (uint32)(start);               \
        if (offset1 + bytes <= linear_mem_size)         \
            /* App heap space is not valid space for    \
               bulk memory operation */                 \
            maddr = memory->memory_data + offset1;      \
        else                                            \
            goto out_of_bounds;                         \
    } while (0)

#define CHECK_ATOMIC_MEMORY_ACCESS(align)          \
    do {                                           \
        if (((uintptr_t)maddr & (align - 1)) != 0) \
            goto unaligned_atomic;                 \
    } while (0)

static inline uint32
rotl32(uint32 n, uint32 c)
{
    const uint32 mask = (31);
    c = c % 32;
    c &= mask;
    return (n << c) | (n >> ((0 - c) & mask));
}

static inline uint32
rotr32(uint32 n, uint32 c)
{
    const uint32 mask = (31);
    c = c % 32;
    c &= mask;
    return (n >> c) | (n << ((0 - c) & mask));
}

static inline uint64
rotl64(uint64 n, uint64 c)
{
    const uint64 mask = (63);
    c = c % 64;
    c &= mask;
    return (n << c) | (n >> ((0 - c) & mask));
}

static inline uint64
rotr64(uint64 n, uint64 c)
{
    const uint64 mask = (63);
    c = c % 64;
    c &= mask;
    return (n >> c) | (n << ((0 - c) & mask));
}

static inline double
wa_fmax(double a, double b)
{
    double c = fmax(a, b);
    if (c == 0 && a == b)
        return signbit(a) ? b : a;
    return c;
}

static inline double
wa_fmin(double a, double b)
{
    double c = fmin(a, b);
    if (c == 0 && a == b)
        return signbit(a) ? a : b;
    return c;
}

static inline uint32
clz32(uint32 type)
{
    uint32 num = 0;
    if (type == 0)
        return 32;
    while (!(type & 0x80000000)) {
        num++;
        type <<= 1;
    }
    return num;
}

static inline uint32
clz64(uint64 type)
{
    uint32 num = 0;
    if (type == 0)
        return 64;
    while (!(type & 0x8000000000000000LL)) {
        num++;
        type <<= 1;
    }
    return num;
}

static inline uint32
ctz32(uint32 type)
{
    uint32 num = 0;
    if (type == 0)
        return 32;
    while (!(type & 1)) {
        num++;
        type >>= 1;
    }
    return num;
}

static inline uint32
ctz64(uint64 type)
{
    uint32 num = 0;
    if (type == 0)
        return 64;
    while (!(type & 1)) {
        num++;
        type >>= 1;
    }
    return num;
}

static inline uint32
popcount32(uint32 u)
{
    uint32 ret = 0;
    while (u) {
        u = (u & (u - 1));
        ret++;
    }
    return ret;
}

static inline uint32
popcount64(uint64 u)
{
    uint32 ret = 0;
    while (u) {
        u = (u & (u - 1));
        ret++;
    }
    return ret;
}

#if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0
#define LOAD_U32_WITH_2U16S(addr) (*(uint32 *)(addr))
#define LOAD_PTR(addr) (*(void **)(addr))
#else /* else of WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS */
static inline uint32
LOAD_U32_WITH_2U16S(void *addr)
{
    union {
        uint32 val;
        uint16 u16[2];
    } u;

    bh_assert(((uintptr_t)addr & 1) == 0);
    u.u16[0] = ((uint16 *)addr)[0];
    u.u16[1] = ((uint16 *)addr)[1];
    return u.val;
}
#if UINTPTR_MAX == UINT32_MAX
#define LOAD_PTR(addr) ((void *)LOAD_U32_WITH_2U16S(addr))
#elif UINTPTR_MAX == UINT64_MAX
static inline void *
LOAD_PTR(void *addr)
{
    uintptr_t addr1 = (uintptr_t)addr;
    union {
        void *val;
        uint32 u32[2];
        uint16 u16[4];
    } u;

    bh_assert(((uintptr_t)addr & 1) == 0);
    if ((addr1 & (uintptr_t)7) == 0)
        return *(void **)addr;

    if ((addr1 & (uintptr_t)3) == 0) {
        u.u32[0] = ((uint32 *)addr)[0];
        u.u32[1] = ((uint32 *)addr)[1];
    }
    else {
        u.u16[0] = ((uint16 *)addr)[0];
        u.u16[1] = ((uint16 *)addr)[1];
        u.u16[2] = ((uint16 *)addr)[2];
        u.u16[3] = ((uint16 *)addr)[3];
    }
    return u.val;
}
#endif /* end of UINTPTR_MAX */
#endif /* end of WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS */

#define read_uint32(p) \
    (p += sizeof(uint32), LOAD_U32_WITH_2U16S(p - sizeof(uint32)))

#define GET_LOCAL_INDEX_TYPE_AND_OFFSET()                                \
    do {                                                                 \
        uint32 param_count = cur_func_type->param_count;                      \
        local_idx = read_uint32(frame_ip);                               \
        bh_assert(local_idx < param_count + cur_func->local_count);      \
        local_offset = cur_func->local_offsets[local_idx];               \
        if (local_idx < param_count)                                     \
            local_type = cur_func_type->types[local_idx];               \
        else                                                             \
            local_type = cur_func->local_types[local_idx - param_count]; \
    } while (0)

#define GET_OFFSET() (frame_ip += 2, *(int16 *)(frame_ip - 2))

#define SET_OPERAND_I32(off, value)                                 \
    do {                                                            \
        *(uint32 *)(frame_lp + *(int16 *)(frame_ip + off)) = value; \
    } while (0)
#define SET_OPERAND_F32(off, value)                                  \
    do {                                                             \
        *(float32 *)(frame_lp + *(int16 *)(frame_ip + off)) = value; \
    } while (0)
#define SET_OPERAND_I64(off, value)                               \
    do {                                                          \
        uint32 *addr_tmp = frame_lp + *(int16 *)(frame_ip + off); \
        PUT_I64_TO_ADDR(addr_tmp, value);                         \
    } while (0)
#define SET_OPERAND_F64(off, value)                               \
    do {                                                          \
        uint32 *addr_tmp = frame_lp + *(int16 *)(frame_ip + off); \
        PUT_F64_TO_ADDR(addr_tmp, value);                         \
    } while (0)

#define SET_OPERAND(op_type, off, value) SET_OPERAND_##op_type(off, value)

#define GET_OPERAND_I32(type, off) \
    *(type *)(frame_lp + *(int16 *)(frame_ip + off))
#define GET_OPERAND_F32(type, off) \
    *(type *)(frame_lp + *(int16 *)(frame_ip + off))
#define GET_OPERAND_I64(type, off) \
    (type) GET_I64_FROM_ADDR(frame_lp + *(int16 *)(frame_ip + off))
#define GET_OPERAND_F64(type, off) \
    (type) GET_F64_FROM_ADDR(frame_lp + *(int16 *)(frame_ip + off))

#define GET_OPERAND(type, op_type, off) GET_OPERAND_##op_type(type, off)

#define PUSH_I32(value)                              \
    do {                                             \
        *(int32 *)(frame_lp + GET_OFFSET()) = value; \
    } while (0)

#define PUSH_F32(value)                                \
    do {                                               \
        *(float32 *)(frame_lp + GET_OFFSET()) = value; \
    } while (0)

#define PUSH_I64(value)                             \
    do {                                            \
        uint32 *addr_tmp = frame_lp + GET_OFFSET(); \
        PUT_I64_TO_ADDR(addr_tmp, value);           \
    } while (0)

#define PUSH_F64(value)                             \
    do {                                            \
        uint32 *addr_tmp = frame_lp + GET_OFFSET(); \
        PUT_F64_TO_ADDR(addr_tmp, value);           \
    } while (0)

#define POP_I32() (*(int32 *)(frame_lp + GET_OFFSET()))

#define POP_F32() (*(float32 *)(frame_lp + GET_OFFSET()))

#define POP_I64() (GET_I64_FROM_ADDR(frame_lp + GET_OFFSET()))

#define POP_F64() (GET_F64_FROM_ADDR(frame_lp + GET_OFFSET()))

#define SYNC_ALL_TO_FRAME()   \
    do {                      \
        frame->ip = frame_ip; \
    } while (0)

#define UPDATE_ALL_FROM_FRAME() \
    do {                        \
        frame_ip = frame->ip;   \
    } while (0)

#if WASM_ENABLE_LABELS_AS_VALUES != 0
#define UPDATE_FRAME_IP_END() (void)0
#else
#define UPDATE_FRAME_IP_END() frame_ip_end = wasm_get_func_code_end(cur_func)
#endif

#define RECOVER_CONTEXT(new_frame)          \
    do {                                    \
        frame = (new_frame);                \
        cur_func = frame->function;         \
        cur_func_type = cur_func->func_type;\
        prev_frame = frame->prev_frame;     \
        frame_ip = frame->ip;               \
        UPDATE_FRAME_IP_END();              \
        frame_lp = frame->lp;               \
    } while (0)

#if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0
#define GET_OPCODE() opcode = *frame_ip++;
#else
#define GET_OPCODE()    \
    opcode = *frame_ip; \
    frame_ip += 2;
#endif

#define DEF_OP_EQZ(ctype, src_op_type)                                  \
    do {                                                                \
        SET_OPERAND(I32, 2, (GET_OPERAND(ctype, src_op_type, 0) == 0)); \
        frame_ip += 4;                                                  \
    } while (0)

#define DEF_OP_CMP(src_type, src_op_type, cond)                      \
    do {                                                             \
        SET_OPERAND(I32, 4,                                          \
                    GET_OPERAND(src_type, src_op_type, 2)            \
                        cond GET_OPERAND(src_type, src_op_type, 0)); \
        frame_ip += 6;                                               \
    } while (0)

#define DEF_OP_BIT_COUNT(src_type, src_op_type, operation)               \
    do {                                                                 \
        SET_OPERAND(                                                     \
            src_op_type, 2,                                              \
            (src_type)operation(GET_OPERAND(src_type, src_op_type, 0))); \
        frame_ip += 4;                                                   \
    } while (0)

#define DEF_OP_NUMERIC(src_type1, src_type2, src_op_type, operation)       \
    do {                                                                   \
        SET_OPERAND(src_op_type, 4,                                        \
                    GET_OPERAND(src_type1, src_op_type, 2)                 \
                        operation GET_OPERAND(src_type2, src_op_type, 0)); \
        frame_ip += 6;                                                     \
    } while (0)

#define DEF_OP_REINTERPRET(src_type, src_op_type)                           \
    do {                                                                    \
        SET_OPERAND(src_op_type, 2, GET_OPERAND(src_type, src_op_type, 0)); \
        frame_ip += 4;                                                      \
    } while (0)

#define DEF_OP_NUMERIC_64 DEF_OP_NUMERIC

#define DEF_OP_NUMERIC2(src_type1, src_type2, src_op_type, operation)  \
    do {                                                               \
        SET_OPERAND(src_op_type, 4,                                    \
                    GET_OPERAND(src_type1, src_op_type, 2) operation(  \
                        GET_OPERAND(src_type2, src_op_type, 0) % 32)); \
        frame_ip += 6;                                                 \
    } while (0)

#define DEF_OP_NUMERIC2_64(src_type1, src_type2, src_op_type, operation) \
    do {                                                                 \
        SET_OPERAND(src_op_type, 4,                                      \
                    GET_OPERAND(src_type1, src_op_type, 2) operation(    \
                        GET_OPERAND(src_type2, src_op_type, 0) % 64));   \
        frame_ip += 6;                                                   \
    } while (0)

#define DEF_ATOMIC_RMW_OPCODE(OP_NAME, op)                           \
    case WASM_OP_ATOMIC_RMW_I32_##OP_NAME:                           \
    case WASM_OP_ATOMIC_RMW_I32_##OP_NAME##8_U:                      \
    case WASM_OP_ATOMIC_RMW_I32_##OP_NAME##16_U:                     \
    {                                                                \
        uint32 readv, sval;                                          \
                                                                     \
        sval = POP_I32();                                            \
        addr = POP_I32();                                            \
                                                                     \
        if (opcode == WASM_OP_ATOMIC_RMW_I32_##OP_NAME##8_U) {       \
            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);     \
            CHECK_ATOMIC_MEMORY_ACCESS(1);                           \
                                                                     \
            os_mutex_lock(&memory->mem_lock);                        \
            readv = (uint32)(*(uint8 *)maddr);                       \
            *(uint8 *)maddr = (uint8)(readv op sval);                \
            os_mutex_unlock(&memory->mem_lock);                      \
        }                                                            \
        else if (opcode == WASM_OP_ATOMIC_RMW_I32_##OP_NAME##16_U) { \
            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);     \
            CHECK_ATOMIC_MEMORY_ACCESS(2);                           \
                                                                     \
            os_mutex_lock(&memory->mem_lock);                        \
            readv = (uint32)LOAD_U16(maddr);                         \
            STORE_U16(maddr, (uint16)(readv op sval));               \
            os_mutex_unlock(&memory->mem_lock);                      \
        }                                                            \
        else {                                                       \
            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);     \
            CHECK_ATOMIC_MEMORY_ACCESS(4);                           \
                                                                     \
            os_mutex_lock(&memory->mem_lock);                        \
            readv = LOAD_I32(maddr);                                 \
            STORE_U32(maddr, readv op sval);                         \
            os_mutex_unlock(&memory->mem_lock);                      \
        }                                                            \
        PUSH_I32(readv);                                             \
        break;                                                       \
    }                                                                \
    case WASM_OP_ATOMIC_RMW_I64_##OP_NAME:                           \
    case WASM_OP_ATOMIC_RMW_I64_##OP_NAME##8_U:                      \
    case WASM_OP_ATOMIC_RMW_I64_##OP_NAME##16_U:                     \
    case WASM_OP_ATOMIC_RMW_I64_##OP_NAME##32_U:                     \
    {                                                                \
        uint64 readv, sval;                                          \
                                                                     \
        sval = (uint64)POP_I64();                                    \
        addr = POP_I32();                                            \
                                                                     \
        if (opcode == WASM_OP_ATOMIC_RMW_I64_##OP_NAME##8_U) {       \
            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);     \
            CHECK_ATOMIC_MEMORY_ACCESS(1);                           \
                                                                     \
            os_mutex_lock(&memory->mem_lock);                        \
            readv = (uint64)(*(uint8 *)maddr);                       \
            *(uint8 *)maddr = (uint8)(readv op sval);                \
            os_mutex_unlock(&memory->mem_lock);                      \
        }                                                            \
        else if (opcode == WASM_OP_ATOMIC_RMW_I64_##OP_NAME##16_U) { \
            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);     \
            CHECK_ATOMIC_MEMORY_ACCESS(2);                           \
                                                                     \
            os_mutex_lock(&memory->mem_lock);                        \
            readv = (uint64)LOAD_U16(maddr);                         \
            STORE_U16(maddr, (uint16)(readv op sval));               \
            os_mutex_unlock(&memory->mem_lock);                      \
        }                                                            \
        else if (opcode == WASM_OP_ATOMIC_RMW_I64_##OP_NAME##32_U) { \
            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);     \
            CHECK_ATOMIC_MEMORY_ACCESS(4);                           \
                                                                     \
            os_mutex_lock(&memory->mem_lock);                        \
            readv = (uint64)LOAD_U32(maddr);                         \
            STORE_U32(maddr, (uint32)(readv op sval));               \
            os_mutex_unlock(&memory->mem_lock);                      \
        }                                                            \
        else {                                                       \
            uint64 op_result;                                        \
            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr);     \
            CHECK_ATOMIC_MEMORY_ACCESS(8);                           \
                                                                     \
            os_mutex_lock(&memory->mem_lock);                        \
            readv = (uint64)LOAD_I64(maddr);                         \
            op_result = readv op sval;                               \
            STORE_I64(maddr, op_result);                             \
            os_mutex_unlock(&memory->mem_lock);                      \
        }                                                            \
        PUSH_I64(readv);                                             \
        break;                                                       \
    }

#define DEF_OP_MATH(src_type, src_op_type, method)                            \
    do {                                                                      \
        SET_OPERAND(src_op_type, 2,                                           \
                    (src_type)method(GET_OPERAND(src_type, src_op_type, 0))); \
        frame_ip += 4;                                                        \
    } while (0)

#define TRUNC_FUNCTION(func_name, src_type, dst_type, signed_type)  \
    static dst_type func_name(src_type src_value, src_type src_min, \
                              src_type src_max, dst_type dst_min,   \
                              dst_type dst_max, bool is_sign)       \
    {                                                               \
        dst_type dst_value = 0;                                     \
        if (!isnan(src_value)) {                                    \
            if (src_value <= src_min)                               \
                dst_value = dst_min;                                \
            else if (src_value >= src_max)                          \
                dst_value = dst_max;                                \
            else {                                                  \
                if (is_sign)                                        \
                    dst_value = (dst_type)(signed_type)src_value;   \
                else                                                \
                    dst_value = (dst_type)src_value;                \
            }                                                       \
        }                                                           \
        return dst_value;                                           \
    }

TRUNC_FUNCTION(trunc_f32_to_i32, float32, uint32, int32)
TRUNC_FUNCTION(trunc_f32_to_i64, float32, uint64, int64)
TRUNC_FUNCTION(trunc_f64_to_i32, float64, uint32, int32)
TRUNC_FUNCTION(trunc_f64_to_i64, float64, uint64, int64)

static bool
trunc_f32_to_int(WASMModuleInstance *module, uint8 *frame_ip, uint32 *frame_lp,
                 float32 src_min, float32 src_max, bool saturating, bool is_i32,
                 bool is_sign)
{
    float32 src_value = GET_OPERAND(float32, F32, 0);
    uint64 dst_value_i64;
    uint32 dst_value_i32;

    if (!saturating) {
        if (isnan(src_value)) {
            wasm_set_exception(module, "invalid conversion to integer");
            return true;
        }
        else if (src_value <= src_min || src_value >= src_max) {
            wasm_set_exception(module, "integer overflow");
            return true;
        }
    }

    if (is_i32) {
        uint32 dst_min = is_sign ? INT32_MIN : 0;
        uint32 dst_max = is_sign ? INT32_MAX : UINT32_MAX;
        dst_value_i32 = trunc_f32_to_i32(src_value, src_min, src_max, dst_min,
                                         dst_max, is_sign);
        SET_OPERAND(I32, 2, dst_value_i32);
    }
    else {
        uint64 dst_min = is_sign ? INT64_MIN : 0;
        uint64 dst_max = is_sign ? INT64_MAX : UINT64_MAX;
        dst_value_i64 = trunc_f32_to_i64(src_value, src_min, src_max, dst_min,
                                         dst_max, is_sign);
        SET_OPERAND(I64, 2, dst_value_i64);
    }
    return false;
}

static bool
trunc_f64_to_int(WASMModuleInstance *module, uint8 *frame_ip, uint32 *frame_lp,
                 float64 src_min, float64 src_max, bool saturating, bool is_i32,
                 bool is_sign)
{
    float64 src_value = GET_OPERAND(float64, F64, 0);
    uint64 dst_value_i64;
    uint32 dst_value_i32;

    if (!saturating) {
        if (isnan(src_value)) {
            wasm_set_exception(module, "invalid conversion to integer");
            return true;
        }
        else if (src_value <= src_min || src_value >= src_max) {
            wasm_set_exception(module, "integer overflow");
            return true;
        }
    }

    if (is_i32) {
        uint32 dst_min = is_sign ? INT32_MIN : 0;
        uint32 dst_max = is_sign ? INT32_MAX : UINT32_MAX;
        dst_value_i32 = trunc_f64_to_i32(src_value, src_min, src_max, dst_min,
                                         dst_max, is_sign);
        SET_OPERAND(I32, 2, dst_value_i32);
    }
    else {
        uint64 dst_min = is_sign ? INT64_MIN : 0;
        uint64 dst_max = is_sign ? INT64_MAX : UINT64_MAX;
        dst_value_i64 = trunc_f64_to_i64(src_value, src_min, src_max, dst_min,
                                         dst_max, is_sign);
        SET_OPERAND(I64, 2, dst_value_i64);
    }
    return false;
}

#define DEF_OP_TRUNC_F32(min, max, is_i32, is_sign)                       \
    do {                                                                  \
        if (trunc_f32_to_int(module, frame_ip, frame_lp, min, max, false, \
                             is_i32, is_sign))                            \
            goto got_exception;                                           \
        frame_ip += 4;                                                    \
    } while (0)

#define DEF_OP_TRUNC_F64(min, max, is_i32, is_sign)                       \
    do {                                                                  \
        if (trunc_f64_to_int(module, frame_ip, frame_lp, min, max, false, \
                             is_i32, is_sign))                            \
            goto got_exception;                                           \
        frame_ip += 4;                                                    \
    } while (0)

#define DEF_OP_TRUNC_SAT_F32(min, max, is_i32, is_sign)                    \
    do {                                                                   \
        (void)trunc_f32_to_int(module, frame_ip, frame_lp, min, max, true, \
                               is_i32, is_sign);                           \
        frame_ip += 4;                                                     \
    } while (0)

#define DEF_OP_TRUNC_SAT_F64(min, max, is_i32, is_sign)                    \
    do {                                                                   \
        (void)trunc_f64_to_int(module, frame_ip, frame_lp, min, max, true, \
                               is_i32, is_sign);                           \
        frame_ip += 4;                                                     \
    } while (0)

#define DEF_OP_CONVERT(dst_type, dst_op_type, src_type, src_op_type) \
    do {                                                             \
        dst_type value = (dst_type)(src_type)POP_##src_op_type();    \
        PUSH_##dst_op_type(value);                                   \
    } while (0)

#if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0
#define CELL_SIZE sizeof(uint8)
#else
#define CELL_SIZE (sizeof(uint8) * 2)
#endif

static bool
copy_stack_values(WASMModuleInstance *module, uint32 *frame_lp, uint32 arity,
                  uint32 total_cell_num, const uint8 *cells,
                  const int16 *src_offsets, const uint16 *dst_offsets)
{
    /* To avoid the overlap issue between src offsets and dst offset,
     * we use 2 steps to do the copy. First step, copy the src values
     * to a tmp buf. Second step, copy the values from tmp buf to dst.
     */
    uint32 buf[16] = { 0 }, i;
    uint32 *tmp_buf = buf;
    uint8 cell;
    int16 src, buf_index = 0;
    uint16 dst;

    /* Allocate memory if the buf is not large enough */
    if (total_cell_num > sizeof(buf) / sizeof(uint32)) {
        uint64 total_size = sizeof(uint32) * (uint64)total_cell_num;
        if (total_size >= UINT32_MAX
            || !(tmp_buf = wasm_runtime_malloc((uint32)total_size))) {
            wasm_set_exception(module, "allocate memory failed");
            return false;
        }
    }

    /* 1) Copy values from src to tmp buf */
    for (i = 0; i < arity; i++) {
        cell = cells[i * CELL_SIZE];
        src = src_offsets[i];
        if (cell == 1)
            tmp_buf[buf_index] = frame_lp[src];
        else {
            tmp_buf[buf_index] = frame_lp[src];
            tmp_buf[buf_index + 1] = frame_lp[src + 1];
        }
        buf_index += cell;
    }

    /* 2) Copy values from tmp buf to dest */
    buf_index = 0;
    for (i = 0; i < arity; i++) {
        cell = cells[i * CELL_SIZE];
        dst = dst_offsets[i];
        if (cell == 1)
            frame_lp[dst] = tmp_buf[buf_index];
        else {
            frame_lp[dst] = tmp_buf[buf_index];
            frame_lp[dst + 1] = tmp_buf[buf_index + 1];
        }
        buf_index += cell;
    }

    if (tmp_buf != buf) {
        wasm_runtime_free(tmp_buf);
    }

    return true;
}

#define RECOVER_BR_INFO()                                                   \
    do {                                                                    \
        uint32 arity;                                                       \
        /* read arity */                                                    \
        arity = read_uint32(frame_ip);                                      \
        if (arity) {                                                        \
            uint32 total_cell;                                              \
            uint16 *dst_offsets = NULL;                                     \
            uint8 *cells;                                                   \
            int16 *src_offsets = NULL;                                      \
            /* read total cell num */                                       \
            total_cell = read_uint32(frame_ip);                             \
            /* cells */                                                     \
            cells = (uint8 *)frame_ip;                                      \
            frame_ip += arity * CELL_SIZE;                                  \
            /* src offsets */                                               \
            src_offsets = (int16 *)frame_ip;                                \
            frame_ip += arity * sizeof(int16);                              \
            /* dst offsets */                                               \
            dst_offsets = (uint16 *)frame_ip;                               \
            frame_ip += arity * sizeof(uint16);                             \
            if (arity == 1) {                                               \
                if (cells[0] == 1)                                          \
                    frame_lp[dst_offsets[0]] = frame_lp[src_offsets[0]];    \
                else if (cells[0] == 2) {                                   \
                    frame_lp[dst_offsets[0]] = frame_lp[src_offsets[0]];    \
                    frame_lp[dst_offsets[0] + 1] =                          \
                        frame_lp[src_offsets[0] + 1];                       \
                }                                                           \
            }                                                               \
            else {                                                          \
                if (!copy_stack_values(module, frame_lp, arity, total_cell, \
                                       cells, src_offsets, dst_offsets))    \
                    goto got_exception;                                     \
            }                                                               \
        }                                                                   \
        frame_ip = (uint8 *)LOAD_PTR(frame_ip);                             \
    } while (0)

#define SKIP_BR_INFO()                                                        \
    do {                                                                      \
        uint32 arity;                                                         \
        /* read and skip arity */                                             \
        arity = read_uint32(frame_ip);                                        \
        if (arity) {                                                          \
            /* skip total cell num */                                         \
            frame_ip += sizeof(uint32);                                       \
            /* skip cells, src offsets and dst offsets */                     \
            frame_ip += (CELL_SIZE + sizeof(int16) + sizeof(uint16)) * arity; \
        }                                                                     \
        /* skip target address */                                             \
        frame_ip += sizeof(uint8 *);                                          \
    } while (0)

static inline int32
sign_ext_8_32(int8 val)
{
    if (val & 0x80)
        return (int32)val | (int32)0xffffff00;
    return val;
}

static inline int32
sign_ext_16_32(int16 val)
{
    if (val & 0x8000)
        return (int32)val | (int32)0xffff0000;
    return val;
}

static inline int64
sign_ext_8_64(int8 val)
{
    if (val & 0x80)
        return (int64)val | (int64)0xffffffffffffff00;
    return val;
}

static inline int64
sign_ext_16_64(int16 val)
{
    if (val & 0x8000)
        return (int64)val | (int64)0xffffffffffff0000;
    return val;
}

static inline int64
sign_ext_32_64(int32 val)
{
    if (val & (int32)0x80000000)
        return (int64)val | (int64)0xffffffff00000000;
    return val;
}

static inline void
word_copy(uint32 *dest, uint32 *src, unsigned num)
{
    for (; num > 0; num--)
        *dest++ = *src++;
}

static inline WASMInterpFrame *
ALLOC_FRAME(WASMExecEnv *exec_env, uint32 size, WASMInterpFrame *prev_frame)
{
    WASMInterpFrame *frame = wasm_exec_env_alloc_wasm_frame(exec_env, size);

    if (frame) {
        frame->prev_frame = prev_frame;
#if WASM_ENABLE_PERF_PROFILING != 0
        frame->time_started = os_time_get_boot_microsecond();
#endif
    }
    else {
        wasm_set_exception((WASMModuleInstance *)exec_env->module_inst,
                           "wasm operand stack overflow");
    }

    return frame;
}

static inline void
FREE_FRAME(WASMExecEnv *exec_env, WASMInterpFrame *frame)
{
#if WASM_ENABLE_PERF_PROFILING != 0
    if (frame->function) {
        frame->function->total_exec_time +=
            os_time_get_boot_microsecond() - frame->time_started;
        frame->function->total_exec_cnt++;
    }
#endif
    wasm_exec_env_free_wasm_frame(exec_env, frame);
}

static void
wasm_interp_call_func_native(WASMModuleInstance *module_inst,
                             WASMExecEnv *exec_env,
                             WASMFunctionInstance *cur_func,
                             WASMInterpFrame *prev_frame)
{
    WASMFunctionImport *func_import = cur_func->u.func_import;
    WASMType * func_type = cur_func->func_type;
    unsigned local_cell_num = 2;
    WASMInterpFrame *frame;
    uint32 argv_ret[2];
    bool ret;

    if (!(frame = ALLOC_FRAME(exec_env,
                              wasm_interp_interp_frame_size(local_cell_num),
                              prev_frame)))
        return;

    frame->function = cur_func;
    frame->ip = NULL;
    frame->lp = frame->operand;

    wasm_exec_env_set_cur_frame(exec_env, frame);

    if (!func_import->func_ptr_linked) {
        char buf[128];
        snprintf(buf, sizeof(buf),
                 "failed to call unlinked import function (%s, %s)",
                 func_import->module_name->str, func_import->field_name->str);
        wasm_set_exception((WASMModuleInstance*)module_inst, buf);
        return;
    }

    if (func_import->call_conv_wasm_c_api) {
        ret = wasm_runtime_invoke_c_api_native(
            (WASMModuleInstanceCommon *)module_inst,
            func_import->func_ptr_linked, func_type,
            func_type->param_cell_num, frame->lp,
            func_import->wasm_c_api_with_env, func_import->attachment);
        if (ret) {
            argv_ret[0] = frame->lp[0];
            argv_ret[1] = frame->lp[1];
        }
    }
    else if (!func_import->call_conv_raw) {
        ret = wasm_runtime_invoke_native(
            exec_env, func_import->func_ptr_linked, func_type,
            func_import->signature, func_import->attachment, frame->lp,
            func_type->param_cell_num, argv_ret);
    }
    else {
        ret = wasm_runtime_invoke_native_raw(
            exec_env, func_import->func_ptr_linked, func_type,
            func_import->signature, func_import->attachment, frame->lp,
            func_type->param_cell_num, argv_ret);
    }

    if (!ret)
        return;

    if (func_type->ret_cell_num == 1) {
        prev_frame->lp[prev_frame->ret_offset] = argv_ret[0];
    }
    else if (func_type->ret_cell_num == 2) {
        prev_frame->lp[prev_frame->ret_offset] = argv_ret[0];
        prev_frame->lp[prev_frame->ret_offset + 1] = argv_ret[1];
    }

    FREE_FRAME(exec_env, frame);
    wasm_exec_env_set_cur_frame(exec_env, prev_frame);
}

static void
wasm_interp_call_func_bytecode(WASMModuleInstance *module,
                               WASMExecEnv *exec_env,
                               WASMFunctionInstance *cur_func,
                               WASMInterpFrame *prev_frame);
#if WASM_ENABLE_DYNAMIC_LINKING != 0
static void
wasm_interp_call_inter_module_func(WASMModuleInstance *module_inst,
                              WASMModuleInstance *callee_module_inst,
                              WASMExecEnv *exec_env,
                              WASMFunctionInstance *cur_func,
                              WASMInterpFrame *prev_frame)
{
  uint8 *ip = prev_frame->ip;

  /* set ip NULL to make call_func_bytecode return after executing
       this function */
    prev_frame->ip = NULL;

    /* replace exec_env's module_inst with sub_module_inst so we can
       call it */
    exec_env->module_inst = (WASMModuleInstanceCommon *)callee_module_inst;

    /* call function of sub-module*/
    wasm_interp_call_func_bytecode(callee_module_inst, exec_env,
                                   cur_func, prev_frame);

    /* restore ip and module_inst */
    prev_frame->ip = ip;
    exec_env->module_inst = (WASMModuleInstanceCommon *)module_inst;

    /* transfer exception if it is thrown */
    if (wasm_get_exception(callee_module_inst)) {
        bh_memcpy_s(module_inst->cur_exception,
                    sizeof(module_inst->cur_exception),
                    callee_module_inst->cur_exception,
                    sizeof(callee_module_inst->cur_exception));
    }
}
#endif

#if WASM_ENABLE_MULTI_MODULE != 0
static void
wasm_interp_call_func_import(WASMModuleInstance *module_inst,
                             WASMExecEnv *exec_env,
                             WASMFunctionInstance *cur_func,
                             WASMInterpFrame *prev_frame)
{
    WASMModuleInstance *sub_module_inst = cur_func->import_module_inst;
    WASMFunctionInstance *sub_func_inst = cur_func->import_func_inst;
    WASMFunctionImport *func_import = cur_func->u.func_import;
    uint8 *ip = prev_frame->ip;
    char buf[128];

    if (!sub_func_inst) {
        snprintf(buf, sizeof(buf),
                 "failed to call unlinked import function (%s, %s)",
                 func_import->module_name->str, func_import->field_name->str);
        wasm_set_exception(module_inst, buf);
        return;
    }

    /* set ip NULL to make call_func_bytecode return after executing
       this function */
    prev_frame->ip = NULL;

    /* replace exec_env's module_inst with sub_module_inst so we can
       call it */
    exec_env->module_inst = (WASMModuleInstanceCommon *)sub_module_inst;

    /* call function of sub-module*/
    wasm_interp_call_func_bytecode(sub_module_inst, exec_env, sub_func_inst,
                                   prev_frame);

    /* restore ip and module_inst */
    prev_frame->ip = ip;
    exec_env->module_inst = (WASMModuleInstanceCommon *)module_inst;

    /* transfer exception if it is thrown */
    if (wasm_get_exception(sub_module_inst)) {
        bh_memcpy_s(module_inst->cur_exception,
                    sizeof(module_inst->cur_exception),
                    sub_module_inst->cur_exception,
                    sizeof(sub_module_inst->cur_exception));
    }
}
#endif

#if WASM_ENABLE_THREAD_MGR != 0
#define CHECK_SUSPEND_FLAGS()                           \
    do {                                                \
        if (exec_env->suspend_flags.flags != 0) {       \
            if (exec_env->suspend_flags.flags & 0x01) { \
                /* terminate current thread */          \
                return;                                 \
            }                                           \
            /* TODO: support suspend and breakpoint */  \
        }                                               \
    } while (0)
#endif

#if WASM_ENABLE_OPCODE_COUNTER != 0
typedef struct OpcodeInfo {
    char *name;
    uint64 count;
} OpcodeInfo;

/* clang-format off */
#define HANDLE_OPCODE(op) \
    {                     \
        #op, 0            \
    }
DEFINE_GOTO_TABLE(OpcodeInfo, opcode_table);
#undef HANDLE_OPCODE
/* clang-format on */

static void
wasm_interp_dump_op_count()
{
    uint32 i;
    uint64 total_count = 0;
    for (i = 0; i < WASM_OP_IMPDEP; i++)
        total_count += opcode_table[i].count;

    printf("total opcode count: %ld\n", total_count);
    for (i = 0; i < WASM_OP_IMPDEP; i++)
        if (opcode_table[i].count > 0)
            printf("\t\t%s count:\t\t%ld,\t\t%.2f%%\n", opcode_table[i].name,
                   opcode_table[i].count,
                   opcode_table[i].count * 100.0f / total_count);
}
#endif

#if WASM_ENABLE_LABELS_AS_VALUES != 0

/* #define HANDLE_OP(opcode) HANDLE_##opcode:printf(#opcode"\n"); */
#if WASM_ENABLE_OPCODE_COUNTER != 0
#define HANDLE_OP(opcode) HANDLE_##opcode : opcode_table[opcode].count++;
#else
#define HANDLE_OP(opcode) HANDLE_##opcode:
#endif
#if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0
#define FETCH_OPCODE_AND_DISPATCH()                    \
    do {                                               \
        const void *p_label_addr = *(void **)frame_ip; \
        frame_ip += sizeof(void *);                    \
        goto *p_label_addr;                            \
    } while (0)
#else
#define FETCH_OPCODE_AND_DISPATCH()                                 \
    do {                                                            \
        const void *p_label_addr = label_base + *(int16 *)frame_ip; \
        frame_ip += sizeof(int16);                                  \
        goto *p_label_addr;                                         \
    } while (0)
#endif /* end of WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS */
#define HANDLE_OP_END() FETCH_OPCODE_AND_DISPATCH()

#else /* else of WASM_ENABLE_LABELS_AS_VALUES */

#define HANDLE_OP(opcode) case opcode:
#define HANDLE_OP_END() continue

#endif /* end of WASM_ENABLE_LABELS_AS_VALUES */

#if WASM_ENABLE_LABELS_AS_VALUES != 0
static void **global_handle_table;
#endif

static inline uint8 *
get_global_addr(WASMGlobalInstance *global)
{
#if WASM_ENABLE_MULTI_MODULE == 0
    //return global_data + global->data_offset;
    return global->data;
#else
    //return global->import_global_inst
    //           ? global->import_module_inst->global_data
    //                 + global->import_global_inst->data_offset
    //           : global_data + global->data_offset;
    return global->import_global_inst
            ? global->import_global_inst->data
            : global->data;
#endif
}

static void
wasm_interp_call_func_bytecode(WASMModuleInstance *module,
                               WASMExecEnv *exec_env,
                               WASMFunctionInstance *cur_func,
                               WASMInterpFrame *prev_frame)
{
  WASMMemoryInstance *memory = module->default_memory;
  uint32 num_bytes_per_page = memory ? memory->num_bytes_per_page : 0;
//#if WASM_ENABLE_MULTI_MODULE == 1
//  uint8 *global_data = module->global_data;
//#endif
  uint32 linear_mem_size = memory ? num_bytes_per_page * memory->cur_page_count : 0;
  WASMGlobalInstance *globals = module->globals, *global;
  uint8 opcode_IMPDEP = WASM_OP_IMPDEP;
  WASMInterpFrame *frame = NULL;
#if WASM_ENABLE_DYNAMIC_LINKING != 0
  WASMProgramInstance * program = module->program;
#endif
  WASMModuleInstance * callee_module_inst = NULL;
  WASMType * cur_func_type = NULL;
  /* Points to this special opcode so as to jump to the call_method_from_entry.  */
  register uint8  *frame_ip = &opcode_IMPDEP; /* cache of frame->ip */
  register uint32 *frame_lp = NULL;  /* cache of frame->lp */
#if WASM_ENABLE_LABELS_AS_VALUES != 0
#if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0
    /* cache of label base addr */
    register uint8 *label_base = &&HANDLE_WASM_OP_UNREACHABLE;
#endif
#endif
    uint8 *frame_ip_end = frame_ip + 1;
    uint32 cond, count, fidx, tidx, frame_size = 0;
    uint64 all_cell_num = 0;
    int16 addr1, addr2, addr_ret = 0;
    int32 didx, val;
    uint8 *maddr = NULL;
    uint32 local_idx, local_offset, global_idx;
    uint8 opcode, local_type, *global_addr;

#if WASM_ENABLE_LABELS_AS_VALUES != 0
#define HANDLE_OPCODE(op) &&HANDLE_##op
    DEFINE_GOTO_TABLE(const void *, handle_table);
#undef HANDLE_OPCODE
    if (exec_env == NULL) {
        global_handle_table = (void **)handle_table;
        return;
    }
#endif

  cur_func_type = cur_func->func_type;

#if WASM_ENABLE_LABELS_AS_VALUES == 0
    while (frame_ip < frame_ip_end) {
        opcode = *frame_ip++;
#if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS == 0
        frame_ip++;
#endif
        switch (opcode) {
#else
    goto *handle_table[WASM_OP_IMPDEP];
#endif
            /* control instructions */
            HANDLE_OP(WASM_OP_UNREACHABLE)
            {
                wasm_set_exception(module, "unreachable");
                goto got_exception;
            }

            HANDLE_OP(WASM_OP_IF)
            {
                cond = (uint32)POP_I32();

                if (cond == 0) {
                    uint8 *else_addr = (uint8 *)LOAD_PTR(frame_ip);
                    if (else_addr == NULL) {
                        frame_ip =
                            (uint8 *)LOAD_PTR(frame_ip + sizeof(uint8 *));
                    }
                    else {
                        frame_ip = else_addr;
                    }
                }
                else {
                    frame_ip += sizeof(uint8 *) * 2;
                }
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_ELSE)
            {
                frame_ip = (uint8 *)LOAD_PTR(frame_ip);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_BR)
            {
#if WASM_ENABLE_THREAD_MGR != 0
                CHECK_SUSPEND_FLAGS();
#endif
            recover_br_info:
                RECOVER_BR_INFO();
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_BR_IF)
            {
#if WASM_ENABLE_THREAD_MGR != 0
                CHECK_SUSPEND_FLAGS();
#endif
                cond = frame_lp[GET_OFFSET()];

                if (cond)
                    goto recover_br_info;
                else
                    SKIP_BR_INFO();

                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_BR_TABLE)
            {
                uint32 arity, br_item_size;

#if WASM_ENABLE_THREAD_MGR != 0
                CHECK_SUSPEND_FLAGS();
#endif
                count = read_uint32(frame_ip);
                didx = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;

                if (!(didx >= 0 && (uint32)didx < count))
                    didx = count;

                /* all br items must have the same arity and item size,
                   so we only calculate the first item size */
                arity = LOAD_U32_WITH_2U16S(frame_ip);
                br_item_size = sizeof(uint32); /* arity */
                if (arity) {
                    /* total cell num */
                    br_item_size += sizeof(uint32);
                    /* cells, src offsets and dst offsets */
                    br_item_size +=
                        (CELL_SIZE + sizeof(int16) + sizeof(uint16)) * arity;
                }
                /* target address */
                br_item_size += sizeof(uint8 *);

                frame_ip += br_item_size * didx;
                goto recover_br_info;
            }

            HANDLE_OP(WASM_OP_RETURN)
            {
                uint32 ret_idx;
                WASMType *func_type;
                uint32 off, ret_offset;
                uint8 *ret_types;
                if (cur_func->is_import_func)
                    func_type = cur_func->u.func_import->func_type;
                else
                    func_type = cur_func->u.func->func_type;

                /* types of each return value */
                ret_types = func_type->types + func_type->param_count;
                ret_offset = prev_frame->ret_offset;

                for (ret_idx = 0,
                    off = sizeof(int16) * (func_type->result_count - 1);
                     ret_idx < func_type->result_count;
                     ret_idx++, off -= sizeof(int16)) {
                    if (ret_types[ret_idx] == VALUE_TYPE_I64
                        || ret_types[ret_idx] == VALUE_TYPE_F64) {
                        PUT_I64_TO_ADDR(prev_frame->lp + ret_offset,
                                        GET_OPERAND(uint64, I64, off));
                        ret_offset += 2;
                    }
                    else {
                        prev_frame->lp[ret_offset] =
                            GET_OPERAND(uint32, I32, off);
                        ret_offset++;
                    }
                }
                goto return_func;
            }

            HANDLE_OP(WASM_OP_CALL_INDIRECT)
#if WASM_ENABLE_TAIL_CALL != 0
            HANDLE_OP(WASM_OP_RETURN_CALL_INDIRECT)
#endif
        {
          WASMType *cur_type;
          uint32 tbl_idx;

#if WASM_ENABLE_TAIL_CALL != 0
                GET_OPCODE();
#endif
#if WASM_ENABLE_THREAD_MGR != 0
                CHECK_SUSPEND_FLAGS();
#endif

          tidx = read_uint32(frame_ip);
          cur_type = module->module->types[tidx];

          tbl_idx = read_uint32(frame_ip);
          bh_assert(tbl_idx < module->table_count);

          val = GET_OPERAND(uint32, I32, 0);
          frame_ip += 2;

#if WASM_ENABLE_DYNAMIC_LINKING != 0
          cur_func = wasm_program_lookup_cached_resolving_func(program, val);
          if (!cur_func) {
            if (!wasm_program_resolve_op_call_indirect(program, module,
                                                        tbl_idx, val,
                                                        cur_type,
                                                        &callee_module_inst,
                                                        &cur_func)) {
                goto got_exception;
            }
            bh_assert(callee_module_inst == cur_func->module_inst);
          } else {
              callee_module_inst = cur_func->module_inst;
          }

          cur_func_type = cur_func->func_type;
#else
          WASMTableInstance *tbl_inst;
          callee_module_inst = module;
          tbl_inst = wasm_get_table_inst(module, tbl_idx);

          if (val < 0 ||
            (val >= (int32)tbl_inst->cur_size
            )) {
            wasm_set_exception(module, "undefined element");
            goto got_exception;
          }

          fidx = ((uint32*)tbl_inst->base_addr)[val];
          if (fidx == (uint32)-1) {
            wasm_set_exception(module, "uninitialized element");
            goto got_exception;
          }

          /*
           * we might be using a table injected by host or
           * another module. in that case, we don't validate
           * the elem value while loading
           */
          if (fidx >= callee_module_inst->function_count) {
            wasm_set_exception(module, "unknown function");
            goto got_exception;
          }

          /* always call module own functions */
          cur_func = callee_module_inst->functions + fidx;
          cur_func_type = cur_func->func_type;

          if (!wasm_type_equal(cur_type, cur_func_type)) {
            wasm_set_exception(module, "indirect call type mismatch");
            goto got_exception;
          }
#endif

#if WASM_ENABLE_TAIL_CALL != 0
                if (opcode == WASM_OP_RETURN_CALL_INDIRECT)
                    goto call_func_from_return_call;
#endif
                goto call_func_from_interp;
            }

            /* parametric instructions */
            HANDLE_OP(WASM_OP_SELECT)
            {
                cond = frame_lp[GET_OFFSET()];
                addr1 = GET_OFFSET();
                addr2 = GET_OFFSET();
                addr_ret = GET_OFFSET();

                if (!cond) {
                    if (addr_ret != addr1)
                        frame_lp[addr_ret] = frame_lp[addr1];
                }
                else {
                    if (addr_ret != addr2)
                        frame_lp[addr_ret] = frame_lp[addr2];
                }
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_SELECT_64)
            {
                cond = frame_lp[GET_OFFSET()];
                addr1 = GET_OFFSET();
                addr2 = GET_OFFSET();
                addr_ret = GET_OFFSET();

                if (!cond) {
                    if (addr_ret != addr1)
                        PUT_I64_TO_ADDR(frame_lp + addr_ret,
                                        GET_I64_FROM_ADDR(frame_lp + addr1));
                }
                else {
                    if (addr_ret != addr2)
                        PUT_I64_TO_ADDR(frame_lp + addr_ret,
                                        GET_I64_FROM_ADDR(frame_lp + addr2));
                }
                HANDLE_OP_END();
            }

#if WASM_ENABLE_REF_TYPES != 0
            HANDLE_OP(WASM_OP_TABLE_GET)
            {
                uint32 tbl_idx, elem_idx;
                WASMTableInstance *tbl_inst;

                tbl_idx = read_uint32(frame_ip);
                bh_assert(tbl_idx < module->table_count);

                tbl_inst = wasm_get_table_inst(module, tbl_idx);

                elem_idx = POP_I32();
                if (elem_idx >= tbl_inst->cur_size) {
                    wasm_set_exception(module, "out of bounds table access");
                    goto got_exception;
                }

                PUSH_I32(((uint32 *)tbl_inst->base_addr)[elem_idx]);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_TABLE_SET)
            {
                uint32 tbl_idx, elem_idx, val;
                WASMTableInstance *tbl_inst;

                tbl_idx = read_uint32(frame_ip);
                bh_assert(tbl_idx < module->table_count);

                tbl_inst = wasm_get_table_inst(module, tbl_idx);

                val = POP_I32();
                elem_idx = POP_I32();
                if (elem_idx >= tbl_inst->cur_size) {
                    wasm_set_exception(module, "out of bounds table access");
                    goto got_exception;
                }

                ((uint32 *)tbl_inst->base_addr)[elem_idx] = val;
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_REF_NULL)
            {
                PUSH_I32(NULL_REF);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_REF_IS_NULL)
            {
                uint32 val;
                val = POP_I32();
                PUSH_I32(val == NULL_REF ? 1 : 0);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_REF_FUNC)
            {
                uint32 func_idx = read_uint32(frame_ip);
                PUSH_I32(func_idx);
                HANDLE_OP_END();
            }
#endif /* WASM_ENABLE_REF_TYPES */

            /* variable instructions */
            HANDLE_OP(EXT_OP_SET_LOCAL_FAST)
            HANDLE_OP(EXT_OP_TEE_LOCAL_FAST)
            {
#if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0
                local_offset = *frame_ip++;
#else
        /* clang-format off */
                local_offset = *frame_ip;
                frame_ip += 2;
        /* clang-format on */
#endif
                *(uint32 *)(frame_lp + local_offset) =
                    GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                HANDLE_OP_END();
            }

            HANDLE_OP(EXT_OP_SET_LOCAL_FAST_I64)
            HANDLE_OP(EXT_OP_TEE_LOCAL_FAST_I64)
            {
#if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0
                local_offset = *frame_ip++;
#else
        /* clang-format off */
                local_offset = *frame_ip;
                frame_ip += 2;
        /* clang-format on */
#endif
                PUT_I64_TO_ADDR((uint32 *)(frame_lp + local_offset),
                                GET_OPERAND(uint64, I64, 0));
                frame_ip += 2;
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_GET_GLOBAL)
            {
                global_idx = read_uint32(frame_ip);
                bh_assert(global_idx < module->global_count);
                global = globals + global_idx;
                global_addr = get_global_addr(global);
                addr_ret = GET_OFFSET();
                frame_lp[addr_ret] = *(uint32 *)global_addr;
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_GET_GLOBAL_64)
            {
                global_idx = read_uint32(frame_ip);
                bh_assert(global_idx < module->global_count);
                global = globals + global_idx;
                global_addr = get_global_addr(global);
                addr_ret = GET_OFFSET();
                PUT_I64_TO_ADDR(frame_lp + addr_ret,
                                GET_I64_FROM_ADDR((uint32 *)global_addr));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_SET_GLOBAL)
            {
                global_idx = read_uint32(frame_ip);
                bh_assert(global_idx < module->global_count);
                global = globals + global_idx;
                global_addr = get_global_addr(global);
                addr1 = GET_OFFSET();
                *(int32 *)global_addr = frame_lp[addr1];
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_SET_GLOBAL_AUX_STACK)
            {
                uint32 aux_stack_top;

                global_idx = read_uint32(frame_ip);
                bh_assert(global_idx < module->global_count);
                global = globals + global_idx;
                global_addr = get_global_addr(global);
                aux_stack_top = frame_lp[GET_OFFSET()];
                if (aux_stack_top <= exec_env->aux_stack_boundary.boundary) {
                    wasm_set_exception(module, "wasm auxiliary stack overflow");
                    goto got_exception;
                }
                if (aux_stack_top > exec_env->aux_stack_bottom.bottom) {
                    wasm_set_exception(module,
                                       "wasm auxiliary stack underflow");
                    goto got_exception;
                }
                *(int32 *)global_addr = aux_stack_top;
#if WASM_ENABLE_MEMORY_PROFILING != 0
                if (module->module->aux_stack_top_global_index != (uint32)-1) {
                    uint32 aux_stack_used = module->module->aux_stack_bottom
                                            - *(uint32 *)global_addr;
                    if (aux_stack_used > module->max_aux_stack_used)
                        module->max_aux_stack_used = aux_stack_used;
                }
#endif
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_SET_GLOBAL_64)
            {
                global_idx = read_uint32(frame_ip);
                bh_assert(global_idx < module->global_count);
                global = globals + global_idx;
                global_addr = get_global_addr(global);
                addr1 = GET_OFFSET();
                PUT_I64_TO_ADDR((uint32 *)global_addr,
                                GET_I64_FROM_ADDR(frame_lp + addr1));
                HANDLE_OP_END();
            }

            /* memory load instructions */
            HANDLE_OP(WASM_OP_I32_LOAD)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(4);
                frame_lp[addr_ret] = LOAD_I32(maddr);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_LOAD)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(8);
                PUT_I64_TO_ADDR(frame_lp + addr_ret, LOAD_I64(maddr));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_LOAD8_S)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(1);
                frame_lp[addr_ret] = sign_ext_8_32(*(int8 *)maddr);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_LOAD8_U)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(1);
                frame_lp[addr_ret] = (uint32)(*(uint8 *)maddr);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_LOAD16_S)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(2);
                frame_lp[addr_ret] = sign_ext_16_32(LOAD_I16(maddr));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_LOAD16_U)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(2);
                frame_lp[addr_ret] = (uint32)(LOAD_U16(maddr));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_LOAD8_S)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(1);
                PUT_I64_TO_ADDR(frame_lp + addr_ret,
                                sign_ext_8_64(*(int8 *)maddr));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_LOAD8_U)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(1);
                PUT_I64_TO_ADDR(frame_lp + addr_ret, (uint64)(*(uint8 *)maddr));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_LOAD16_S)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(2);
                PUT_I64_TO_ADDR(frame_lp + addr_ret,
                                sign_ext_16_64(LOAD_I16(maddr)));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_LOAD16_U)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(2);
                PUT_I64_TO_ADDR(frame_lp + addr_ret, (uint64)(LOAD_U16(maddr)));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_LOAD32_S)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(4);
                PUT_I64_TO_ADDR(frame_lp + addr_ret,
                                sign_ext_32_64(LOAD_I32(maddr)));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_LOAD32_U)
            {
                uint32 offset, addr;
                offset = read_uint32(frame_ip);
                addr = GET_OPERAND(uint32, I32, 0);
                frame_ip += 2;
                addr_ret = GET_OFFSET();
                CHECK_MEMORY_OVERFLOW(4);
                PUT_I64_TO_ADDR(frame_lp + addr_ret, (uint64)(LOAD_U32(maddr)));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_STORE)
            {
                uint32 offset, addr;
                uint32 sval;
                offset = read_uint32(frame_ip);
                sval = GET_OPERAND(uint32, I32, 0);
                addr = GET_OPERAND(uint32, I32, 2);
                frame_ip += 4;
                CHECK_MEMORY_OVERFLOW(4);
                STORE_U32(maddr, sval);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_STORE8)
            {
                uint32 offset, addr;
                uint32 sval;
                offset = read_uint32(frame_ip);
                sval = GET_OPERAND(uint32, I32, 0);
                addr = GET_OPERAND(uint32, I32, 2);
                frame_ip += 4;
                CHECK_MEMORY_OVERFLOW(1);
                *(uint8 *)maddr = (uint8)sval;
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_STORE16)
            {
                uint32 offset, addr;
                uint32 sval;
                offset = read_uint32(frame_ip);
                sval = GET_OPERAND(uint32, I32, 0);
                addr = GET_OPERAND(uint32, I32, 2);
                frame_ip += 4;
                CHECK_MEMORY_OVERFLOW(2);
                STORE_U16(maddr, (uint16)sval);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_STORE)
            {
                uint32 offset, addr;
                uint64 sval;
                offset = read_uint32(frame_ip);
                sval = GET_OPERAND(uint64, I64, 0);
                addr = GET_OPERAND(uint32, I32, 2);
                frame_ip += 4;
                CHECK_MEMORY_OVERFLOW(8);
                STORE_I64(maddr, sval);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_STORE8)
            {
                uint32 offset, addr;
                uint64 sval;
                offset = read_uint32(frame_ip);
                sval = GET_OPERAND(uint64, I64, 0);
                addr = GET_OPERAND(uint32, I32, 2);
                frame_ip += 4;
                CHECK_MEMORY_OVERFLOW(1);
                *(uint8 *)maddr = (uint8)sval;
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_STORE16)
            {
                uint32 offset, addr;
                uint64 sval;
                offset = read_uint32(frame_ip);
                sval = GET_OPERAND(uint64, I64, 0);
                addr = GET_OPERAND(uint32, I32, 2);
                frame_ip += 4;
                CHECK_MEMORY_OVERFLOW(2);
                STORE_U16(maddr, (uint16)sval);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_STORE32)
            {
                uint32 offset, addr;
                uint64 sval;
                offset = read_uint32(frame_ip);
                sval = GET_OPERAND(uint64, I64, 0);
                addr = GET_OPERAND(uint32, I32, 2);
                frame_ip += 4;
                CHECK_MEMORY_OVERFLOW(4);
                STORE_U32(maddr, (uint32)sval);
                HANDLE_OP_END();
            }

            /* memory size and memory grow instructions */
            HANDLE_OP(WASM_OP_MEMORY_SIZE)
            {
                uint32 reserved;
                addr_ret = GET_OFFSET();
                frame_lp[addr_ret] = memory->cur_page_count;
                (void)reserved;
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_MEMORY_GROW)
            {
                uint32 reserved, delta,
                    prev_page_count = memory->cur_page_count;

                addr1 = GET_OFFSET();
                addr_ret = GET_OFFSET();
                delta = (uint32)frame_lp[addr1];

                if (!wasm_enlarge_memory(module, delta)) {
                    /* failed to memory.grow, return -1 */
                    frame_lp[addr_ret] = -1;
                }
                else {
                    /* success, return previous page count */
                    frame_lp[addr_ret] = prev_page_count;
                    /* update memory instance ptr and memory size */
                    memory = module->default_memory;
                    linear_mem_size =
                        num_bytes_per_page * memory->cur_page_count;
                }

                (void)reserved;
                HANDLE_OP_END();
            }

            /* comparison instructions of i32 */
            HANDLE_OP(WASM_OP_I32_EQZ)
            {
                DEF_OP_EQZ(int32, I32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_EQ)
            {
                DEF_OP_CMP(uint32, I32, ==);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_NE)
            {
                DEF_OP_CMP(uint32, I32, !=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_LT_S)
            {
                DEF_OP_CMP(int32, I32, <);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_LT_U)
            {
                DEF_OP_CMP(uint32, I32, <);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_GT_S)
            {
                DEF_OP_CMP(int32, I32, >);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_GT_U)
            {
                DEF_OP_CMP(uint32, I32, >);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_LE_S)
            {
                DEF_OP_CMP(int32, I32, <=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_LE_U)
            {
                DEF_OP_CMP(uint32, I32, <=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_GE_S)
            {
                DEF_OP_CMP(int32, I32, >=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_GE_U)
            {
                DEF_OP_CMP(uint32, I32, >=);
                HANDLE_OP_END();
            }

            /* comparison instructions of i64 */
            HANDLE_OP(WASM_OP_I64_EQZ)
            {
                DEF_OP_EQZ(int64, I64);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_EQ)
            {
                DEF_OP_CMP(uint64, I64, ==);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_NE)
            {
                DEF_OP_CMP(uint64, I64, !=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_LT_S)
            {
                DEF_OP_CMP(int64, I64, <);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_LT_U)
            {
                DEF_OP_CMP(uint64, I64, <);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_GT_S)
            {
                DEF_OP_CMP(int64, I64, >);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_GT_U)
            {
                DEF_OP_CMP(uint64, I64, >);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_LE_S)
            {
                DEF_OP_CMP(int64, I64, <=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_LE_U)
            {
                DEF_OP_CMP(uint64, I64, <=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_GE_S)
            {
                DEF_OP_CMP(int64, I64, >=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_GE_U)
            {
                DEF_OP_CMP(uint64, I64, >=);
                HANDLE_OP_END();
            }

            /* comparison instructions of f32 */
            HANDLE_OP(WASM_OP_F32_EQ)
            {
                DEF_OP_CMP(float32, F32, ==);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_NE)
            {
                DEF_OP_CMP(float32, F32, !=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_LT)
            {
                DEF_OP_CMP(float32, F32, <);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_GT)
            {
                DEF_OP_CMP(float32, F32, >);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_LE)
            {
                DEF_OP_CMP(float32, F32, <=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_GE)
            {
                DEF_OP_CMP(float32, F32, >=);
                HANDLE_OP_END();
            }

            /* comparison instructions of f64 */
            HANDLE_OP(WASM_OP_F64_EQ)
            {
                DEF_OP_CMP(float64, F64, ==);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_NE)
            {
                DEF_OP_CMP(float64, F64, !=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_LT)
            {
                DEF_OP_CMP(float64, F64, <);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_GT)
            {
                DEF_OP_CMP(float64, F64, >);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_LE)
            {
                DEF_OP_CMP(float64, F64, <=);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_GE)
            {
                DEF_OP_CMP(float64, F64, >=);
                HANDLE_OP_END();
            }

            /* numberic instructions of i32 */
            HANDLE_OP(WASM_OP_I32_CLZ)
            {
                DEF_OP_BIT_COUNT(uint32, I32, clz32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_CTZ)
            {
                DEF_OP_BIT_COUNT(uint32, I32, ctz32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_POPCNT)
            {
                DEF_OP_BIT_COUNT(uint32, I32, popcount32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_ADD)
            {
                DEF_OP_NUMERIC(uint32, uint32, I32, +);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_SUB)
            {
                DEF_OP_NUMERIC(uint32, uint32, I32, -);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_MUL)
            {
                DEF_OP_NUMERIC(uint32, uint32, I32, *);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_DIV_S)
            {
                int32 a, b;

                b = frame_lp[GET_OFFSET()];
                a = frame_lp[GET_OFFSET()];
                addr_ret = GET_OFFSET();
                if (a == (int32)0x80000000 && b == -1) {
                    wasm_set_exception(module, "integer overflow");
                    goto got_exception;
                }
                if (b == 0) {
                    wasm_set_exception(module, "integer divide by zero");
                    goto got_exception;
                }
                frame_lp[addr_ret] = (a / b);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_DIV_U)
            {
                uint32 a, b;

                addr1 = GET_OFFSET();
                addr2 = GET_OFFSET();
                addr_ret = GET_OFFSET();

                b = (uint32)frame_lp[addr1];
                a = (uint32)frame_lp[addr2];
                if (b == 0) {
                    wasm_set_exception(module, "integer divide by zero");
                    goto got_exception;
                }
                frame_lp[addr_ret] = (a / b);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_REM_S)
            {
                int32 a, b;

                addr1 = GET_OFFSET();
                addr2 = GET_OFFSET();
                addr_ret = GET_OFFSET();

                b = frame_lp[addr1];
                a = frame_lp[addr2];
                if (a == (int32)0x80000000 && b == -1) {
                    frame_lp[addr_ret] = 0;
                    HANDLE_OP_END();
                }
                if (b == 0) {
                    wasm_set_exception(module, "integer divide by zero");
                    goto got_exception;
                }
                frame_lp[addr_ret] = (a % b);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_REM_U)
            {
                uint32 a, b;

                addr1 = GET_OFFSET();
                addr2 = GET_OFFSET();
                addr_ret = GET_OFFSET();

                b = (uint32)frame_lp[addr1];
                a = (uint32)frame_lp[addr2];
                if (b == 0) {
                    wasm_set_exception(module, "integer divide by zero");
                    goto got_exception;
                }
                frame_lp[addr_ret] = (a % b);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_AND)
            {
                DEF_OP_NUMERIC(uint32, uint32, I32, &);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_OR)
            {
                DEF_OP_NUMERIC(uint32, uint32, I32, |);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_XOR)
            {
                DEF_OP_NUMERIC(uint32, uint32, I32, ^);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_SHL)
            {
                DEF_OP_NUMERIC2(uint32, uint32, I32, <<);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_SHR_S)
            {
                DEF_OP_NUMERIC2(int32, uint32, I32, >>);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_SHR_U)
            {
                DEF_OP_NUMERIC2(uint32, uint32, I32, >>);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_ROTL)
            {
                uint32 a, b;

                b = (uint32)frame_lp[GET_OFFSET()];
                a = (uint32)frame_lp[GET_OFFSET()];
                frame_lp[GET_OFFSET()] = rotl32(a, b);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_ROTR)
            {
                uint32 a, b;

                b = (uint32)frame_lp[GET_OFFSET()];
                a = (uint32)frame_lp[GET_OFFSET()];
                frame_lp[GET_OFFSET()] = rotr32(a, b);
                HANDLE_OP_END();
            }

            /* numberic instructions of i64 */
            HANDLE_OP(WASM_OP_I64_CLZ)
            {
                DEF_OP_BIT_COUNT(uint64, I64, clz64);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_CTZ)
            {
                DEF_OP_BIT_COUNT(uint64, I64, ctz64);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_POPCNT)
            {
                DEF_OP_BIT_COUNT(uint64, I64, popcount64);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_ADD)
            {
                DEF_OP_NUMERIC_64(uint64, uint64, I64, +);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_SUB)
            {
                DEF_OP_NUMERIC_64(uint64, uint64, I64, -);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_MUL)
            {
                DEF_OP_NUMERIC_64(uint64, uint64, I64, *);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_DIV_S)
            {
                int64 a, b;

                b = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                if (a == (int64)0x8000000000000000LL && b == -1) {
                    wasm_set_exception(module, "integer overflow");
                    goto got_exception;
                }
                if (b == 0) {
                    wasm_set_exception(module, "integer divide by zero");
                    goto got_exception;
                }
                PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), a / b);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_DIV_U)
            {
                uint64 a, b;

                b = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                if (b == 0) {
                    wasm_set_exception(module, "integer divide by zero");
                    goto got_exception;
                }
                PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), a / b);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_REM_S)
            {
                int64 a, b;

                b = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                if (a == (int64)0x8000000000000000LL && b == -1) {
                    *(int64 *)(frame_lp + GET_OFFSET()) = 0;
                    HANDLE_OP_END();
                }
                if (b == 0) {
                    wasm_set_exception(module, "integer divide by zero");
                    goto got_exception;
                }
                PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), a % b);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_REM_U)
            {
                uint64 a, b;

                b = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                if (b == 0) {
                    wasm_set_exception(module, "integer divide by zero");
                    goto got_exception;
                }
                PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), a % b);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_AND)
            {
                DEF_OP_NUMERIC_64(uint64, uint64, I64, &);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_OR)
            {
                DEF_OP_NUMERIC_64(uint64, uint64, I64, |);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_XOR)
            {
                DEF_OP_NUMERIC_64(uint64, uint64, I64, ^);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_SHL)
            {
                DEF_OP_NUMERIC2_64(uint64, uint64, I64, <<);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_SHR_S)
            {
                DEF_OP_NUMERIC2_64(int64, uint64, I64, >>);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_SHR_U)
            {
                DEF_OP_NUMERIC2_64(uint64, uint64, I64, >>);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_ROTL)
            {
                uint64 a, b;

                b = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), rotl64(a, b));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_ROTR)
            {
                uint64 a, b;

                b = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                a = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(), rotr64(a, b));
                HANDLE_OP_END();
            }

            /* numberic instructions of f32 */
            HANDLE_OP(WASM_OP_F32_ABS)
            {
                DEF_OP_MATH(float32, F32, fabs);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_NEG)
            {
                uint32 u32 = frame_lp[GET_OFFSET()];
                uint32 sign_bit = u32 & ((uint32)1 << 31);
                addr_ret = GET_OFFSET();
                if (sign_bit)
                    frame_lp[addr_ret] = u32 & ~((uint32)1 << 31);
                else
                    frame_lp[addr_ret] = u32 | ((uint32)1 << 31);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_CEIL)
            {
                DEF_OP_MATH(float32, F32, ceil);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_FLOOR)
            {
                DEF_OP_MATH(float32, F32, floor);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_TRUNC)
            {
                DEF_OP_MATH(float32, F32, trunc);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_NEAREST)
            {
                DEF_OP_MATH(float32, F32, rint);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_SQRT)
            {
                DEF_OP_MATH(float32, F32, sqrt);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_ADD)
            {
                DEF_OP_NUMERIC(float32, float32, F32, +);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_SUB)
            {
                DEF_OP_NUMERIC(float32, float32, F32, -);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_MUL)
            {
                DEF_OP_NUMERIC(float32, float32, F32, *);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_DIV)
            {
                DEF_OP_NUMERIC(float32, float32, F32, /);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_MIN)
            {
                float32 a, b;

                b = *(float32 *)(frame_lp + GET_OFFSET());
                a = *(float32 *)(frame_lp + GET_OFFSET());

                if (isnan(a))
                    *(float32 *)(frame_lp + GET_OFFSET()) = a;
                else if (isnan(b))
                    *(float32 *)(frame_lp + GET_OFFSET()) = b;
                else
                    *(float32 *)(frame_lp + GET_OFFSET()) =
                        (float32)wa_fmin(a, b);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_MAX)
            {
                float32 a, b;

                b = *(float32 *)(frame_lp + GET_OFFSET());
                a = *(float32 *)(frame_lp + GET_OFFSET());

                if (isnan(a))
                    *(float32 *)(frame_lp + GET_OFFSET()) = a;
                else if (isnan(b))
                    *(float32 *)(frame_lp + GET_OFFSET()) = b;
                else
                    *(float32 *)(frame_lp + GET_OFFSET()) =
                        (float32)wa_fmax(a, b);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_COPYSIGN)
            {
                float32 a, b;

                b = *(float32 *)(frame_lp + GET_OFFSET());
                a = *(float32 *)(frame_lp + GET_OFFSET());
                *(float32 *)(frame_lp + GET_OFFSET()) =
                    (float32)(signbit(b) ? -fabs(a) : fabs(a));
                HANDLE_OP_END();
            }

            /* numberic instructions of f64 */
            HANDLE_OP(WASM_OP_F64_ABS)
            {
                DEF_OP_MATH(float64, F64, fabs);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_NEG)
            {
                uint64 u64 = GET_I64_FROM_ADDR(frame_lp + GET_OFFSET());
                uint64 sign_bit = u64 & (((uint64)1) << 63);
                if (sign_bit)
                    PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(),
                                    (u64 & ~(((uint64)1) << 63)));
                else
                    PUT_I64_TO_ADDR(frame_lp + GET_OFFSET(),
                                    (u64 | (((uint64)1) << 63)));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_CEIL)
            {
                DEF_OP_MATH(float64, F64, ceil);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_FLOOR)
            {
                DEF_OP_MATH(float64, F64, floor);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_TRUNC)
            {
                DEF_OP_MATH(float64, F64, trunc);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_NEAREST)
            {
                DEF_OP_MATH(float64, F64, rint);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_SQRT)
            {
                DEF_OP_MATH(float64, F64, sqrt);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_ADD)
            {
                DEF_OP_NUMERIC_64(float64, float64, F64, +);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_SUB)
            {
                DEF_OP_NUMERIC_64(float64, float64, F64, -);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_MUL)
            {
                DEF_OP_NUMERIC_64(float64, float64, F64, *);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_DIV)
            {
                DEF_OP_NUMERIC_64(float64, float64, F64, /);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_MIN)
            {
                float64 a, b;

                b = POP_F64();
                a = POP_F64();

                if (isnan(a))
                    PUSH_F64(a);
                else if (isnan(b))
                    PUSH_F64(b);
                else
                    PUSH_F64(wa_fmin(a, b));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_MAX)
            {
                float64 a, b;

                b = POP_F64();
                a = POP_F64();

                if (isnan(a))
                    PUSH_F64(a);
                else if (isnan(b))
                    PUSH_F64(b);
                else
                    PUSH_F64(wa_fmax(a, b));
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_COPYSIGN)
            {
                float64 a, b;

                b = POP_F64();
                a = POP_F64();
                PUSH_F64(signbit(b) ? -fabs(a) : fabs(a));
                HANDLE_OP_END();
            }

            /* conversions of i32 */
            HANDLE_OP(WASM_OP_I32_WRAP_I64)
            {
                int32 value = (int32)(POP_I64() & 0xFFFFFFFFLL);
                PUSH_I32(value);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_TRUNC_S_F32)
            {
                /* We don't use INT32_MIN/INT32_MAX/UINT32_MIN/UINT32_MAX,
                   since float/double values of ieee754 cannot precisely
                   represent all int32/uint32/int64/uint64 values, e.g.:
                   UINT32_MAX is 4294967295, but (float32)4294967295 is
                   4294967296.0f, but not 4294967295.0f. */
                DEF_OP_TRUNC_F32(-2147483904.0f, 2147483648.0f, true, true);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_TRUNC_U_F32)
            {
                DEF_OP_TRUNC_F32(-1.0f, 4294967296.0f, true, false);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_TRUNC_S_F64)
            {
                DEF_OP_TRUNC_F64(-2147483649.0, 2147483648.0, true, true);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_TRUNC_U_F64)
            {
                DEF_OP_TRUNC_F64(-1.0, 4294967296.0, true, false);
                HANDLE_OP_END();
            }

            /* conversions of i64 */
            HANDLE_OP(WASM_OP_I64_EXTEND_S_I32)
            {
                DEF_OP_CONVERT(int64, I64, int32, I32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_EXTEND_U_I32)
            {
                DEF_OP_CONVERT(int64, I64, uint32, I32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_TRUNC_S_F32)
            {
                DEF_OP_TRUNC_F32(-9223373136366403584.0f,
                                 9223372036854775808.0f, false, true);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_TRUNC_U_F32)
            {
                DEF_OP_TRUNC_F32(-1.0f, 18446744073709551616.0f, false, false);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_TRUNC_S_F64)
            {
                DEF_OP_TRUNC_F64(-9223372036854777856.0, 9223372036854775808.0,
                                 false, true);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_TRUNC_U_F64)
            {
                DEF_OP_TRUNC_F64(-1.0, 18446744073709551616.0, false, false);
                HANDLE_OP_END();
            }

            /* conversions of f32 */
            HANDLE_OP(WASM_OP_F32_CONVERT_S_I32)
            {
                DEF_OP_CONVERT(float32, F32, int32, I32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_CONVERT_U_I32)
            {
                DEF_OP_CONVERT(float32, F32, uint32, I32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_CONVERT_S_I64)
            {
                DEF_OP_CONVERT(float32, F32, int64, I64);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_CONVERT_U_I64)
            {
                DEF_OP_CONVERT(float32, F32, uint64, I64);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F32_DEMOTE_F64)
            {
                DEF_OP_CONVERT(float32, F32, float64, F64);
                HANDLE_OP_END();
            }

            /* conversions of f64 */
            HANDLE_OP(WASM_OP_F64_CONVERT_S_I32)
            {
                DEF_OP_CONVERT(float64, F64, int32, I32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_CONVERT_U_I32)
            {
                DEF_OP_CONVERT(float64, F64, uint32, I32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_CONVERT_S_I64)
            {
                DEF_OP_CONVERT(float64, F64, int64, I64);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_CONVERT_U_I64)
            {
                DEF_OP_CONVERT(float64, F64, uint64, I64);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_F64_PROMOTE_F32)
            {
                DEF_OP_CONVERT(float64, F64, float32, F32);
                HANDLE_OP_END();
            }

            /* reinterpretations */
            HANDLE_OP(WASM_OP_I32_REINTERPRET_F32)
            HANDLE_OP(WASM_OP_F32_REINTERPRET_I32)
            {
                DEF_OP_REINTERPRET(uint32, I32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_REINTERPRET_F64)
            HANDLE_OP(WASM_OP_F64_REINTERPRET_I64)
            {
                DEF_OP_REINTERPRET(int64, I64);
                HANDLE_OP_END();
            }

            HANDLE_OP(EXT_OP_COPY_STACK_TOP)
            {
                addr1 = GET_OFFSET();
                addr2 = GET_OFFSET();
                frame_lp[addr2] = frame_lp[addr1];
                HANDLE_OP_END();
            }

            HANDLE_OP(EXT_OP_COPY_STACK_TOP_I64)
            {
                addr1 = GET_OFFSET();
                addr2 = GET_OFFSET();
                frame_lp[addr2] = frame_lp[addr1];
                frame_lp[addr2 + 1] = frame_lp[addr1 + 1];
                HANDLE_OP_END();
            }

            HANDLE_OP(EXT_OP_COPY_STACK_VALUES)
            {
                uint32 values_count, total_cell;
                uint8 *cells;
                int16 *src_offsets = NULL;
                uint16 *dst_offsets = NULL;

                /* read values_count */
                values_count = read_uint32(frame_ip);
                /* read total cell num */
                total_cell = read_uint32(frame_ip);
                /* cells */
                cells = (uint8 *)frame_ip;
                frame_ip += values_count * CELL_SIZE;
                /* src offsets */
                src_offsets = (int16 *)frame_ip;
                frame_ip += values_count * sizeof(int16);
                /* dst offsets */
                dst_offsets = (uint16 *)frame_ip;
                frame_ip += values_count * sizeof(uint16);

                if (!copy_stack_values(module, frame_lp, values_count,
                                       total_cell, cells, src_offsets,
                                       dst_offsets))
                    goto got_exception;

                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_SET_LOCAL)
            HANDLE_OP(WASM_OP_TEE_LOCAL)
            {
                GET_LOCAL_INDEX_TYPE_AND_OFFSET();
                addr1 = GET_OFFSET();

                if (local_type == VALUE_TYPE_I32
                    || local_type == VALUE_TYPE_F32) {
                    *(int32 *)(frame_lp + local_offset) = frame_lp[addr1];
                }
                else if (local_type == VALUE_TYPE_I64
                         || local_type == VALUE_TYPE_F64) {
                    PUT_I64_TO_ADDR((uint32 *)(frame_lp + local_offset),
                                    GET_I64_FROM_ADDR(frame_lp + addr1));
                }
                else {
                    wasm_set_exception(module, "invalid local type");
                    goto got_exception;
                }

                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_EXTEND8_S)
            {
                DEF_OP_CONVERT(int32, I32, int8, I32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I32_EXTEND16_S)
            {
                DEF_OP_CONVERT(int32, I32, int16, I32);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_EXTEND8_S)
            {
                DEF_OP_CONVERT(int64, I64, int8, I64);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_EXTEND16_S)
            {
                DEF_OP_CONVERT(int64, I64, int16, I64);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_I64_EXTEND32_S)
            {
                DEF_OP_CONVERT(int64, I64, int32, I64);
                HANDLE_OP_END();
            }

            HANDLE_OP(WASM_OP_MISC_PREFIX)
            {
                GET_OPCODE();
                switch (opcode) {
                    case WASM_OP_I32_TRUNC_SAT_S_F32:
                        DEF_OP_TRUNC_SAT_F32(-2147483904.0f, 2147483648.0f,
                                             true, true);
                        break;
                    case WASM_OP_I32_TRUNC_SAT_U_F32:
                        DEF_OP_TRUNC_SAT_F32(-1.0f, 4294967296.0f, true, false);
                        break;
                    case WASM_OP_I32_TRUNC_SAT_S_F64:
                        DEF_OP_TRUNC_SAT_F64(-2147483649.0, 2147483648.0, true,
                                             true);
                        break;
                    case WASM_OP_I32_TRUNC_SAT_U_F64:
                        DEF_OP_TRUNC_SAT_F64(-1.0, 4294967296.0, true, false);
                        break;
                    case WASM_OP_I64_TRUNC_SAT_S_F32:
                        DEF_OP_TRUNC_SAT_F32(-9223373136366403584.0f,
                                             9223372036854775808.0f, false,
                                             true);
                        break;
                    case WASM_OP_I64_TRUNC_SAT_U_F32:
                        DEF_OP_TRUNC_SAT_F32(-1.0f, 18446744073709551616.0f,
                                             false, false);
                        break;
                    case WASM_OP_I64_TRUNC_SAT_S_F64:
                        DEF_OP_TRUNC_SAT_F64(-9223372036854777856.0,
                                             9223372036854775808.0, false,
                                             true);
                        break;
                    case WASM_OP_I64_TRUNC_SAT_U_F64:
                        DEF_OP_TRUNC_SAT_F64(-1.0, 18446744073709551616.0,
                                             false, false);
                        break;
#if WASM_ENABLE_BULK_MEMORY != 0
                    case WASM_OP_MEMORY_INIT:
                    {
                        uint32 addr, segment;
                        uint64 bytes, offset, seg_len;
                        uint8 *data;

                        segment = read_uint32(frame_ip);

                        bytes = (uint64)POP_I32();
                        offset = (uint64)POP_I32();
                        addr = POP_I32();

                        CHECK_BULK_MEMORY_OVERFLOW(addr, bytes, maddr);

                        seg_len = (uint64)module->module->data_segments[segment].data_length;
                        data = module->module->data_segments[segment].data;
                        if (offset + bytes > seg_len)
                            goto out_of_bounds;

                        bh_memcpy_s(maddr, linear_mem_size - addr,
                                    data + offset, (uint32)bytes);
                        break;
                    }
                    case WASM_OP_DATA_DROP:
                    {
                        uint32 segment;

                        segment = read_uint32(frame_ip);

                        module->module->data_segments[segment].data_length = 0;

                        break;
                    }
                    case WASM_OP_MEMORY_COPY:
                    {
                        uint32 dst, src, len;
                        uint8 *mdst, *msrc;

                        len = POP_I32();
                        src = POP_I32();
                        dst = POP_I32();

                        CHECK_BULK_MEMORY_OVERFLOW(src, len, msrc);
                        CHECK_BULK_MEMORY_OVERFLOW(dst, len, mdst);

                        /* allowing the destination and source to overlap */
                        bh_memmove_s(mdst, linear_mem_size - dst, msrc, len);

                        break;
                    }
                    case WASM_OP_MEMORY_FILL:
                    {
                        uint32 dst, len;
                        uint8 val, *mdst;

                        len = POP_I32();
                        val = POP_I32();
                        dst = POP_I32();

                        CHECK_BULK_MEMORY_OVERFLOW(dst, len, mdst);

                        memset(mdst, val, len);

                        break;
                    }
#endif /* WASM_ENABLE_BULK_MEMORY */
#if WASM_ENABLE_REF_TYPES != 0
                    case WASM_OP_TABLE_INIT:
                    {
                        uint32 tbl_idx, elem_idx;
                        uint64 n, s, d;
                        WASMTableInstance *tbl_inst;

                        elem_idx = read_uint32(frame_ip);
                        bh_assert(elem_idx < module->module->table_seg_count);

                        tbl_idx = read_uint32(frame_ip);
                        bh_assert(tbl_idx < module->module->table_count);

                        tbl_inst = wasm_get_table_inst(module, tbl_idx);

                        n = (uint32)POP_I32();
                        s = (uint32)POP_I32();
                        d = (uint32)POP_I32();

                        if (!n) {
                            break;
                        }

                        if (n + s > module->module->table_segments[elem_idx]
                                        .function_count
                            || d + n > tbl_inst->cur_size) {
                            wasm_set_exception(module,
                                               "out of bounds table access");
                            goto got_exception;
                        }

                        if (module->module->table_segments[elem_idx]
                                .is_dropped) {
                            wasm_set_exception(module,
                                               "out of bounds table access");
                            goto got_exception;
                        }

                        if (!wasm_elem_is_passive(
                                module->module->table_segments[elem_idx]
                                    .mode)) {
                            wasm_set_exception(module,
                                               "out of bounds table access");
                            goto got_exception;
                        }

                        bh_memcpy_s(
                            (uint8 *)tbl_inst
                                + offsetof(WASMTableInstance, base_addr)
                                + d * sizeof(uint32),
                            (uint32)((tbl_inst->cur_size - d) * sizeof(uint32)),
                            module->module->table_segments[elem_idx]
                                    .func_indexes
                                + s,
                            (uint32)(n * sizeof(uint32)));
                        break;
                    }
                    case WASM_OP_ELEM_DROP:
                    {
                        uint32 elem_idx = read_uint32(frame_ip);
                        bh_assert(elem_idx < module->module->table_seg_count);

                        module->module->table_segments[elem_idx].is_dropped =
                            true;
                        break;
                    }
                    case WASM_OP_TABLE_COPY:
                    {
                        uint32 src_tbl_idx, dst_tbl_idx;
                        uint64 n, s, d;
                        WASMTableInstance *src_tbl_inst, *dst_tbl_inst;

                        dst_tbl_idx = read_uint32(frame_ip);
                        bh_assert(dst_tbl_idx < module->table_count);

                        dst_tbl_inst = wasm_get_table_inst(module, dst_tbl_idx);

                        src_tbl_idx = read_uint32(frame_ip);
                        bh_assert(src_tbl_idx < module->table_count);

                        src_tbl_inst = wasm_get_table_inst(module, src_tbl_idx);

                        n = (uint32)POP_I32();
                        s = (uint32)POP_I32();
                        d = (uint32)POP_I32();

                        if (s + n > dst_tbl_inst->cur_size
                            || d + n > src_tbl_inst->cur_size) {
                            wasm_set_exception(module,
                                               "out of bounds table access");
                            goto got_exception;
                        }

                        /* if s >= d, copy from front to back */
                        /* if s < d, copy from back to front */
                        /* merge all together */
                        bh_memmove_s(
                            (uint8 *)dst_tbl_inst
                                + offsetof(WASMTableInstance, base_addr)
                                + d * sizeof(uint32),
                            (uint32)((dst_tbl_inst->cur_size - d)
                                     * sizeof(uint32)),
                            (uint8 *)src_tbl_inst
                                + offsetof(WASMTableInstance, base_addr)
                                + s * sizeof(uint32),
                            (uint32)(n * sizeof(uint32)));
#if WASM_ENABLE_DYNAMIC_LINKING != 0
                        /* invalidate all entries related to current instance, an opt could be applied which only invalidate impacted table elem id.*/
                        wasm_program_invalidate_cached_wasm_func(program, (WASMModuleInstanceCommon*)module);
#endif
                        break;
                    }
                    case WASM_OP_TABLE_GROW:
                    {
                        uint32 tbl_idx, n, init_val, orig_tbl_sz;
                        WASMTableInstance *tbl_inst;

                        tbl_idx = read_uint32(frame_ip);
                        bh_assert(tbl_idx < module->table_count);

                        tbl_inst = wasm_get_table_inst(module, tbl_idx);

                        orig_tbl_sz = tbl_inst->cur_size;

                        n = POP_I32();
                        init_val = POP_I32();

                        if (!wasm_enlarge_table(module, tbl_idx, n, init_val)) {
                            PUSH_I32(-1);
                        }
                        else {
                            PUSH_I32(orig_tbl_sz);
                        }

                        break;
                    }
                    case WASM_OP_TABLE_SIZE:
                    {
                        uint32 tbl_idx;
                        WASMTableInstance *tbl_inst;

                        tbl_idx = read_uint32(frame_ip);
                        bh_assert(tbl_idx < module->table_count);

                        tbl_inst = wasm_get_table_inst(module, tbl_idx);

                        PUSH_I32(tbl_inst->cur_size);
                        break;
                    }
                    case WASM_OP_TABLE_FILL:
                    {
                        uint32 tbl_idx, n, val, i;
                        WASMTableInstance *tbl_inst;

                        tbl_idx = read_uint32(frame_ip);
                        bh_assert(tbl_idx < module->table_count);

                        tbl_inst = wasm_get_table_inst(module, tbl_idx);

                        n = POP_I32();
                        val = POP_I32();
                        i = POP_I32();

                        if (i + n > tbl_inst->cur_size) {
                            wasm_set_exception(module,
                                               "out of bounds table access");
                            goto got_exception;
                        }

                        for (; n != 0; i++, n--) {
                            ((uint32 *)(tbl_inst->base_addr))[i] = val;
                        }

                        break;
                    }
#endif /* WASM_ENABLE_REF_TYPES */
                    default:
                        wasm_set_exception(module, "unsupported opcode");
                        goto got_exception;
                }
                HANDLE_OP_END();
            }

#if WASM_ENABLE_SHARED_MEMORY != 0
            HANDLE_OP(WASM_OP_ATOMIC_PREFIX)
            {
                uint32 offset, addr;

                GET_OPCODE();

                offset = read_uint32(frame_ip);

                switch (opcode) {
                    case WASM_OP_ATOMIC_NOTIFY:
                    {
                        uint32 count, ret;

                        count = POP_I32();
                        addr = POP_I32();
                        CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
                        CHECK_ATOMIC_MEMORY_ACCESS(4);

                        ret = wasm_runtime_atomic_notify(
                            (WASMModuleInstanceCommon *)module, maddr, count);
                        bh_assert((int32)ret >= 0);

                        PUSH_I32(ret);
                        break;
                    }
                    case WASM_OP_ATOMIC_WAIT32:
                    {
                        uint64 timeout;
                        uint32 expect, addr, ret;

                        timeout = POP_I64();
                        expect = POP_I32();
                        addr = POP_I32();
                        CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
                        CHECK_ATOMIC_MEMORY_ACCESS(4);

                        ret = wasm_runtime_atomic_wait(
                            (WASMModuleInstanceCommon *)module, maddr,
                            (uint64)expect, timeout, false);
                        if (ret == (uint32)-1)
                            goto got_exception;

                        PUSH_I32(ret);
                        break;
                    }
                    case WASM_OP_ATOMIC_WAIT64:
                    {
                        uint64 timeout, expect;
                        uint32 ret;

                        timeout = POP_I64();
                        expect = POP_I64();
                        addr = POP_I32();
                        CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr);
                        CHECK_ATOMIC_MEMORY_ACCESS(8);

                        ret = wasm_runtime_atomic_wait(
                            (WASMModuleInstanceCommon *)module, maddr, expect,
                            timeout, true);
                        if (ret == (uint32)-1)
                            goto got_exception;

                        PUSH_I32(ret);
                        break;
                    }

                    case WASM_OP_ATOMIC_I32_LOAD:
                    case WASM_OP_ATOMIC_I32_LOAD8_U:
                    case WASM_OP_ATOMIC_I32_LOAD16_U:
                    {
                        uint32 readv;

                        addr = POP_I32();

                        if (opcode == WASM_OP_ATOMIC_I32_LOAD8_U) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(1);
                            os_mutex_lock(&memory->mem_lock);
                            readv = (uint32)(*(uint8 *)maddr);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else if (opcode == WASM_OP_ATOMIC_I32_LOAD16_U) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(2);
                            os_mutex_lock(&memory->mem_lock);
                            readv = (uint32)LOAD_U16(maddr);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(4);
                            os_mutex_lock(&memory->mem_lock);
                            readv = LOAD_I32(maddr);
                            os_mutex_unlock(&memory->mem_lock);
                        }

                        PUSH_I32(readv);
                        break;
                    }

                    case WASM_OP_ATOMIC_I64_LOAD:
                    case WASM_OP_ATOMIC_I64_LOAD8_U:
                    case WASM_OP_ATOMIC_I64_LOAD16_U:
                    case WASM_OP_ATOMIC_I64_LOAD32_U:
                    {
                        uint64 readv;

                        addr = POP_I32();

                        if (opcode == WASM_OP_ATOMIC_I64_LOAD8_U) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(1);
                            os_mutex_lock(&memory->mem_lock);
                            readv = (uint64)(*(uint8 *)maddr);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else if (opcode == WASM_OP_ATOMIC_I64_LOAD16_U) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(2);
                            os_mutex_lock(&memory->mem_lock);
                            readv = (uint64)LOAD_U16(maddr);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else if (opcode == WASM_OP_ATOMIC_I64_LOAD32_U) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(4);
                            os_mutex_lock(&memory->mem_lock);
                            readv = (uint64)LOAD_U32(maddr);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(8);
                            os_mutex_lock(&memory->mem_lock);
                            readv = LOAD_I64(maddr);
                            os_mutex_unlock(&memory->mem_lock);
                        }

                        PUSH_I64(readv);
                        break;
                    }
                    case WASM_OP_ATOMIC_I32_STORE:
                    case WASM_OP_ATOMIC_I32_STORE8:
                    case WASM_OP_ATOMIC_I32_STORE16:
                    {
                        uint32 sval;

                        sval = (uint32)POP_I32();
                        addr = POP_I32();

                        if (opcode == WASM_OP_ATOMIC_I32_STORE8) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(1);
                            os_mutex_lock(&memory->mem_lock);
                            *(uint8 *)maddr = (uint8)sval;
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else if (opcode == WASM_OP_ATOMIC_I32_STORE16) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(2);
                            os_mutex_lock(&memory->mem_lock);
                            STORE_U16(maddr, (uint16)sval);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(4);
                            os_mutex_lock(&memory->mem_lock);
                            STORE_U32(maddr, sval);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        break;
                    }

                    case WASM_OP_ATOMIC_I64_STORE:
                    case WASM_OP_ATOMIC_I64_STORE8:
                    case WASM_OP_ATOMIC_I64_STORE16:
                    case WASM_OP_ATOMIC_I64_STORE32:
                    {
                        uint64 sval;

                        sval = (uint64)POP_I64();
                        addr = POP_I32();

                        if (opcode == WASM_OP_ATOMIC_I64_STORE8) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(1);
                            os_mutex_lock(&memory->mem_lock);
                            *(uint8 *)maddr = (uint8)sval;
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else if (opcode == WASM_OP_ATOMIC_I64_STORE16) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(2);
                            os_mutex_lock(&memory->mem_lock);
                            STORE_U16(maddr, (uint16)sval);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else if (opcode == WASM_OP_ATOMIC_I64_STORE32) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(4);
                            os_mutex_lock(&memory->mem_lock);
                            STORE_U32(maddr, (uint32)sval);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(8);
                            os_mutex_lock(&memory->mem_lock);
                            STORE_I64(maddr, sval);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        break;
                    }

                    case WASM_OP_ATOMIC_RMW_I32_CMPXCHG:
                    case WASM_OP_ATOMIC_RMW_I32_CMPXCHG8_U:
                    case WASM_OP_ATOMIC_RMW_I32_CMPXCHG16_U:
                    {
                        uint32 readv, sval, expect;

                        sval = POP_I32();
                        expect = POP_I32();
                        addr = POP_I32();

                        if (opcode == WASM_OP_ATOMIC_RMW_I32_CMPXCHG8_U) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(1);

                            os_mutex_lock(&memory->mem_lock);
                            readv = (uint32)(*(uint8 *)maddr);
                            if (readv == expect)
                                *(uint8 *)maddr = (uint8)(sval);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else if (opcode == WASM_OP_ATOMIC_RMW_I32_CMPXCHG16_U) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(2);

                            os_mutex_lock(&memory->mem_lock);
                            readv = (uint32)LOAD_U16(maddr);
                            if (readv == expect)
                                STORE_U16(maddr, (uint16)(sval));
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(4);

                            os_mutex_lock(&memory->mem_lock);
                            readv = LOAD_I32(maddr);
                            if (readv == expect)
                                STORE_U32(maddr, sval);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        PUSH_I32(readv);
                        break;
                    }
                    case WASM_OP_ATOMIC_RMW_I64_CMPXCHG:
                    case WASM_OP_ATOMIC_RMW_I64_CMPXCHG8_U:
                    case WASM_OP_ATOMIC_RMW_I64_CMPXCHG16_U:
                    case WASM_OP_ATOMIC_RMW_I64_CMPXCHG32_U:
                    {
                        uint64 readv, sval, expect;

                        sval = (uint64)POP_I64();
                        expect = (uint64)POP_I64();
                        addr = POP_I32();

                        if (opcode == WASM_OP_ATOMIC_RMW_I64_CMPXCHG8_U) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 1, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(1);

                            os_mutex_lock(&memory->mem_lock);
                            readv = (uint64)(*(uint8 *)maddr);
                            if (readv == expect)
                                *(uint8 *)maddr = (uint8)(sval);
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else if (opcode == WASM_OP_ATOMIC_RMW_I64_CMPXCHG16_U) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 2, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(2);

                            os_mutex_lock(&memory->mem_lock);
                            readv = (uint64)LOAD_U16(maddr);
                            if (readv == expect)
                                STORE_U16(maddr, (uint16)(sval));
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else if (opcode == WASM_OP_ATOMIC_RMW_I64_CMPXCHG32_U) {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 4, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(4);

                            os_mutex_lock(&memory->mem_lock);
                            readv = (uint64)LOAD_U32(maddr);
                            if (readv == expect)
                                STORE_U32(maddr, (uint32)(sval));
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        else {
                            CHECK_BULK_MEMORY_OVERFLOW(addr + offset, 8, maddr);
                            CHECK_ATOMIC_MEMORY_ACCESS(8);

                            os_mutex_lock(&memory->mem_lock);
                            readv = (uint64)LOAD_I64(maddr);
                            if (readv == expect) {
                                STORE_I64(maddr, sval);
                            }
                            os_mutex_unlock(&memory->mem_lock);
                        }
                        PUSH_I64(readv);
                        break;
                    }

                        DEF_ATOMIC_RMW_OPCODE(ADD, +);
                        DEF_ATOMIC_RMW_OPCODE(SUB, -);
                        DEF_ATOMIC_RMW_OPCODE(AND, &);
                        DEF_ATOMIC_RMW_OPCODE(OR, |);
                        DEF_ATOMIC_RMW_OPCODE(XOR, ^);
                        /* xchg, ignore the read value, and store the given
                          value: readv * 0 + sval */
                        DEF_ATOMIC_RMW_OPCODE(XCHG, *0 +);
                }

                HANDLE_OP_END();
            }
#endif

            HANDLE_OP(WASM_OP_IMPDEP)
            {
                frame = prev_frame;
                frame_ip = frame->ip;
                goto call_func_from_entry;
            }

            HANDLE_OP(WASM_OP_CALL)
            {
#if WASM_ENABLE_THREAD_MGR != 0
                CHECK_SUSPEND_FLAGS();
#endif
                fidx = read_uint32(frame_ip);
#if WASM_ENABLE_MULTI_MODULE != 0
                if (fidx >= module->function_count) {
                    wasm_set_exception(module, "unknown function");
                    goto got_exception;
                }
#endif
                cur_func = module->functions + fidx;
                callee_module_inst = module;
#if WASM_ENABLE_DYNAMIC_LINKING != 0
                if (!wasm_program_resolve_op_call(program, module, &callee_module_inst, &cur_func)) {
                    goto got_exception;
                }
#if 0
                // lazy link, resolve the import function.
                if (program && module->inst_id && cur_func->is_import_func &&
                    !cur_func->u.func_import->func_ptr_linked) {

                    if (!cur_func->import_module_inst &&
                        !cur_func->import_func_inst) {
                        if (program->config.binding_mode != LAZY_BINDING) {
                            wasm_set_exception(module, "uninitialized import function.");
                            goto got_exception;
                        }

                        if (!wasm_program_resolve_wasm_function(program, module, cur_func)) {
                            char buf[128];
                            snprintf(buf, sizeof(buf),
                                    "failed to call unlinked import function (%s, %s)",
                                    (char*)cur_func->u.func_import->module_name->str,
                                    (char*)cur_func->u.func_import->field_name->str);
                            wasm_set_exception(module, buf);
                            goto got_exception;
                        }

                        callee_module_inst = cur_func->import_module_inst;
                        cur_func = cur_func->import_func_inst;
                    } else {
                        callee_module_inst = cur_func->import_module_inst;
                        cur_func = cur_func->import_func_inst;
                    }
                }
#endif
#endif
                cur_func_type = cur_func->func_type;
                goto call_func_from_interp;
            }

#if WASM_ENABLE_TAIL_CALL != 0
            HANDLE_OP(WASM_OP_RETURN_CALL)
            {
#if WASM_ENABLE_THREAD_MGR != 0
                CHECK_SUSPEND_FLAGS();
#endif
                fidx = read_uint32(frame_ip);
#if WASM_ENABLE_MULTI_MODULE != 0
                if (fidx >= module->function_count) {
                    wasm_set_exception(module, "unknown function");
                    goto got_exception;
                }
#endif
                cur_func = module->functions + fidx;
                cur_func_type = cur_func->func_type;
                goto call_func_from_return_call;
            }
#endif /* WASM_ENABLE_TAIL_CALL */

#if WASM_ENABLE_LABELS_AS_VALUES == 0
            default:
                wasm_set_exception(module, "unsupported opcode");
                goto got_exception;
        }
#endif

#if WASM_ENABLE_LABELS_AS_VALUES != 0
        HANDLE_OP(WASM_OP_UNUSED_0x06)
        HANDLE_OP(WASM_OP_UNUSED_0x07)
        HANDLE_OP(WASM_OP_UNUSED_0x08)
        HANDLE_OP(WASM_OP_UNUSED_0x09)
        HANDLE_OP(WASM_OP_UNUSED_0x0a)
#if WASM_ENABLE_TAIL_CALL == 0
        HANDLE_OP(WASM_OP_RETURN_CALL)
        HANDLE_OP(WASM_OP_RETURN_CALL_INDIRECT)
#endif
#if WASM_ENABLE_SHARED_MEMORY == 0
        HANDLE_OP(WASM_OP_ATOMIC_PREFIX)
#endif
#if WASM_ENABLE_REF_TYPES == 0
        HANDLE_OP(WASM_OP_TABLE_GET)
        HANDLE_OP(WASM_OP_TABLE_SET)
        HANDLE_OP(WASM_OP_REF_NULL)
        HANDLE_OP(WASM_OP_REF_IS_NULL)
        HANDLE_OP(WASM_OP_REF_FUNC)
#endif
        /* SELECT_T is converted to SELECT or SELECT_64 */
        HANDLE_OP(WASM_OP_SELECT_T)
        HANDLE_OP(WASM_OP_UNUSED_0x14)
        HANDLE_OP(WASM_OP_UNUSED_0x15)
        HANDLE_OP(WASM_OP_UNUSED_0x16)
        HANDLE_OP(WASM_OP_UNUSED_0x17)
        HANDLE_OP(WASM_OP_UNUSED_0x18)
        HANDLE_OP(WASM_OP_UNUSED_0x19)
        HANDLE_OP(WASM_OP_UNUSED_0x27)
        /* optimized op code */
        HANDLE_OP(WASM_OP_F32_STORE)
        HANDLE_OP(WASM_OP_F64_STORE)
        HANDLE_OP(WASM_OP_F32_LOAD)
        HANDLE_OP(WASM_OP_F64_LOAD)
        HANDLE_OP(EXT_OP_GET_LOCAL_FAST)
        HANDLE_OP(WASM_OP_GET_LOCAL)
        HANDLE_OP(WASM_OP_F64_CONST)
        HANDLE_OP(WASM_OP_I64_CONST)
        HANDLE_OP(WASM_OP_F32_CONST)
        HANDLE_OP(WASM_OP_I32_CONST)
        HANDLE_OP(WASM_OP_DROP)
        HANDLE_OP(WASM_OP_DROP_64)
        HANDLE_OP(WASM_OP_BLOCK)
        HANDLE_OP(WASM_OP_LOOP)
        HANDLE_OP(WASM_OP_END)
        HANDLE_OP(WASM_OP_NOP)
        HANDLE_OP(EXT_OP_BLOCK)
        HANDLE_OP(EXT_OP_LOOP)
        HANDLE_OP(EXT_OP_IF)
        {
            wasm_set_exception(module, "unsupported opcode");
            goto got_exception;
        }
#endif

#if WASM_ENABLE_LABELS_AS_VALUES == 0
        continue;
#else
    FETCH_OPCODE_AND_DISPATCH();
#endif

#if WASM_ENABLE_TAIL_CALL != 0
    call_func_from_return_call:
    {
        uint32 *lp_base;
        uint32 *lp;
        int i;

        if (!(lp_base = lp = wasm_runtime_malloc(cur_func_type->param_cell_num
                                                 * sizeof(uint32)))) {
            wasm_set_exception(module, "allocate memory failed");
            goto got_exception;
        }
        for (i = 0; i < cur_func_type->param_count; i++) {
            if (cur_func_type->types[i] == VALUE_TYPE_I64
                || cur_func->types[i] == VALUE_TYPE_F64) {
                PUT_I64_TO_ADDR(
                    lp, GET_OPERAND(uint64, I64,
                                    2 * (cur_func_type->param_count - i - 1)));
                lp += 2;
            }
            else {
                *lp = GET_OPERAND(uint32, I32,
                                  (2 * (cur_func_type->param_count - i - 1)));
                lp++;
            }
        }
        frame->lp = frame->operand + cur_func->const_cell_num;
        word_copy(frame->lp, lp_base, lp - lp_base);
        wasm_runtime_free(lp_base);
        FREE_FRAME(exec_env, frame);
        frame_ip += cur_func_type->param_count * sizeof(int16);
        wasm_exec_env_set_cur_frame(exec_env, (WASMRuntimeFrame *)prev_frame);
        goto call_func_from_entry;
    }
#endif /* WASM_ENABLE_TAIL_CALL */

    call_func_from_interp:
    {
        /* Only do the copy when it's called from interpreter. */
        WASMInterpFrame *outs_area = wasm_exec_env_wasm_stack_top(exec_env);
        int i;

#if WASM_ENABLE_MULTI_MODULE != 0
        if (cur_func->is_import_func) {
            outs_area->lp = outs_area->operand
                            + (cur_func->import_func_inst
                                   ? cur_func->import_func_inst->const_cell_num
                                   : 0);
        }
        else
#endif
        {
            outs_area->lp = outs_area->operand + cur_func->const_cell_num;
        }
        for (i = 0; i < cur_func_type->param_count; i++) {
            if (cur_func_type->types[i] == VALUE_TYPE_I64
                || cur_func_type->types[i] == VALUE_TYPE_F64) {
                PUT_I64_TO_ADDR(
                    outs_area->lp,
                    GET_OPERAND(uint64, I64,
                                2 * (cur_func_type->param_count - i - 1)));
                outs_area->lp += 2;
            }
            else {
                *outs_area->lp = GET_OPERAND(
                    uint32, I32, (2 * (cur_func_type->param_count - i - 1)));
                outs_area->lp++;
            }
        }
        frame_ip += cur_func_type->param_count * sizeof(int16);
        if (cur_func_type->ret_cell_num != 0) {
            /* Get the first return value's offset. Since loader emit
             * all return values' offset so we must skip remain return
             * values' offsets.
             */
            WASMType *func_type;
            if (cur_func->is_import_func)
                func_type = cur_func->u.func_import->func_type;
            else
                func_type = cur_func->u.func->func_type;
            frame->ret_offset = GET_OFFSET();
            frame_ip += 2 * (func_type->result_count - 1);
        }
        SYNC_ALL_TO_FRAME();
        prev_frame = frame;
    }

    call_func_from_entry:
    {
#if WASM_ENABLE_DYNAMIC_LINKING != 0
      if (callee_module_inst && module != callee_module_inst) {
        wasm_interp_call_inter_module_func(module,
                                            callee_module_inst,
                                            exec_env,
                                            cur_func,
                                            prev_frame);

        prev_frame = frame->prev_frame;
        cur_func = frame->function;
        cur_func_type = cur_func->func_type;
        UPDATE_ALL_FROM_FRAME();

        /* update memory instance ptr and memory size */
        memory = module->default_memory;
        if (memory)
            linear_mem_size = num_bytes_per_page * memory->cur_page_count;
        if (wasm_get_exception(callee_module_inst))
            goto got_exception;

        callee_module_inst = NULL;
      } else
#endif
      {
        if (cur_func->is_import_func) {
#if WASM_ENABLE_MULTI_MODULE != 0
            if (cur_func->import_func_inst) {
                wasm_interp_call_func_import(module, exec_env, cur_func,
                                            prev_frame);
            }
            else
#endif
            {
                wasm_interp_call_func_native(module, exec_env, cur_func,
                                            prev_frame);
            }

            prev_frame = frame->prev_frame;
            cur_func = frame->function;
            cur_func_type = cur_func->func_type;
            UPDATE_ALL_FROM_FRAME();

            /* update memory instance ptr and memory size */
            memory = module->default_memory;
            if (memory)
                linear_mem_size = num_bytes_per_page * memory->cur_page_count;
            if (wasm_get_exception(module))
                goto got_exception;
        }
        else {
          WASMFunction *cur_wasm_func = cur_func->u.func;

          all_cell_num = (uint64)cur_func_type->param_cell_num
                        + (uint64)cur_func->local_cell_num
                        + (uint64)cur_func->const_cell_num
                        + (uint64)cur_wasm_func->max_stack_cell_num;
          if (all_cell_num >= UINT32_MAX) {
              wasm_set_exception(module, "wasm operand stack overflow");
              goto got_exception;
          }

          frame_size = wasm_interp_interp_frame_size((uint32)all_cell_num);
          if (!(frame = ALLOC_FRAME(exec_env, frame_size, prev_frame))) {
            frame = prev_frame;
            goto got_exception;
          }

          /* Initialize the interpreter context. */
          frame->function = cur_func;
          frame_ip = wasm_get_func_code(cur_func);
          frame_ip_end = wasm_get_func_code_end(cur_func);

          frame_lp = frame->lp = frame->operand + cur_wasm_func->const_cell_num;

          /* Initialize the consts */
          word_copy(frame->operand, (uint32*)cur_wasm_func->consts,
                    cur_wasm_func->const_cell_num);

          /* Initialize the local variables */
          memset(frame_lp + cur_func_type->param_cell_num, 0,
                (uint32)(cur_func->local_cell_num * 4));

          wasm_exec_env_set_cur_frame(exec_env, (WASMRuntimeFrame *)frame);
        }
      }
      HANDLE_OP_END ();
    }

    return_func:
    {
        FREE_FRAME(exec_env, frame);
        wasm_exec_env_set_cur_frame(exec_env, (WASMRuntimeFrame *)prev_frame);

        if (!prev_frame->ip)
            /* Called from native. */
            return;

        RECOVER_CONTEXT(prev_frame);
        HANDLE_OP_END();
    }

    (void)frame_ip_end;

#if WASM_ENABLE_SHARED_MEMORY != 0
    unaligned_atomic:
        wasm_set_exception(module, "unaligned atomic");
        goto got_exception;
#endif

    out_of_bounds:
        wasm_set_exception(module, "out of bounds memory access");

    got_exception:
        SYNC_ALL_TO_FRAME();
        return;

#if WASM_ENABLE_LABELS_AS_VALUES == 0
    }
#else
    FETCH_OPCODE_AND_DISPATCH();
#endif
}

#if WASM_ENABLE_LABELS_AS_VALUES != 0
void **
wasm_interp_get_handle_table()
{
    WASMModuleInstance module;
    memset(&module, 0, sizeof(WASMModuleInstance));
    wasm_interp_call_func_bytecode(&module, NULL, NULL, NULL);
    return global_handle_table;
}
#endif

void
wasm_interp_call_wasm(WASMModuleInstance *module_inst, WASMExecEnv *exec_env,
                      WASMFunctionInstance *function, uint32 argc,
                      uint32 argv[])
{
    WASMRuntimeFrame *prev_frame = wasm_exec_env_get_cur_frame(exec_env);
    WASMInterpFrame *frame, *outs_area;
    WASMType * func_type = function->func_type;

    /* Allocate sufficient cells for all kinds of return values.  */
    unsigned all_cell_num =
                func_type->ret_cell_num > 2 ? func_type->ret_cell_num : 2,
                i;
    /* This frame won't be used by JITed code, so only allocate interp
       frame here.  */
    unsigned frame_size = wasm_interp_interp_frame_size(all_cell_num);

    if (argc != func_type->param_cell_num) {
        char buf[128];
        snprintf(buf, sizeof(buf), "invalid argument count %d, expected %d",
                 argc, func_type->param_cell_num);
        wasm_set_exception(module_inst, buf);
        return;
    }

    if ((uint8 *)&prev_frame < exec_env->native_stack_boundary) {
        wasm_set_exception((WASMModuleInstance *)exec_env->module_inst,
                           "native stack overflow");
        return;
    }

    if (!(frame =
              ALLOC_FRAME(exec_env, frame_size, (WASMInterpFrame *)prev_frame)))
        return;

    outs_area = wasm_exec_env_wasm_stack_top(exec_env);
    frame->function = NULL;
    frame->ip = NULL;
    /* There is no local variable. */
    frame->lp = frame->operand + 0;
    frame->ret_offset = 0;

    if (argc > 0)
        word_copy(outs_area->operand + function->const_cell_num, argv, argc);

    wasm_exec_env_set_cur_frame(exec_env, frame);

    if (function->is_import_func) {
#if WASM_ENABLE_MULTI_MODULE != 0
        if (function->import_module_inst) {
            LOG_DEBUG("it is a function of a sub module");
            wasm_interp_call_func_import(module_inst, exec_env, function,
                                         frame);
        }
        else
#endif
        {
            LOG_DEBUG("it is an native function");
            wasm_interp_call_func_native(module_inst, exec_env, function,
                                         frame);
        }
    }
    else {
        wasm_interp_call_func_bytecode(module_inst, exec_env, function, frame);
    }

    /* Output the return value to the caller */
    if (!wasm_get_exception(module_inst)) {
        for (i = 0; i < func_type->ret_cell_num; i++)
            argv[i] = *(frame->lp + i);
    }
    else {
#if WASM_ENABLE_DUMP_CALL_STACK != 0
        wasm_interp_dump_call_stack(exec_env);
#endif
    }

    wasm_exec_env_set_cur_frame(exec_env, prev_frame);
    FREE_FRAME(exec_env, frame);
#if WASM_ENABLE_OPCODE_COUNTER != 0
    wasm_interp_dump_op_count();
#endif
}