diff --git a/core/iwasm/common/wasm_application.c b/core/iwasm/common/wasm_application.c
index b7e64460a..da3b31c95 100644
--- a/core/iwasm/common/wasm_application.c
+++ b/core/iwasm/common/wasm_application.c
@@ -201,9 +201,23 @@ execute_main(WASMModuleInstanceCommon *module_inst, int32 argc, char *argv[])
     if (func_type->param_count) {
         for (i = 0; i < argc; i++)
             total_argv_size += (uint32)(strlen(argv[i]) + 1);
-        total_argv_size = align_uint(total_argv_size, 4);
+#if WASM_ENABLE_MEMORY64 != 0
+        if (is_memory64)
+            /* `char **argv` is an array of 64-bit elements in memory64 */
+            total_argv_size = align_uint(total_argv_size, 8);
+        else
+#endif
+            total_argv_size = align_uint(total_argv_size, 4);
 
-        total_size = (uint64)total_argv_size + sizeof(int32) * (uint64)argc;
+#if WASM_ENABLE_MEMORY64 != 0
+        if (is_memory64)
+            /* `char **argv` is an array of 64-bit elements in memory64 */
+            total_size =
+                (uint64)total_argv_size + sizeof(uint64) * (uint64)argc;
+        else
+#endif
+            total_size =
+                (uint64)total_argv_size + sizeof(uint32) * (uint64)argc;
 
         if (total_size >= UINT32_MAX
             || !(argv_buf_offset = wasm_runtime_module_malloc(
@@ -219,7 +233,15 @@ execute_main(WASMModuleInstanceCommon *module_inst, int32 argc, char *argv[])
         for (i = 0; i < argc; i++) {
             bh_memcpy_s(p, (uint32)(p_end - p), argv[i],
                         (uint32)(strlen(argv[i]) + 1));
-            argv_offsets[i] = (uint32)argv_buf_offset + (uint32)(p - argv_buf);
+#if WASM_ENABLE_MEMORY64 != 0
+            if (is_memory64)
+                /* `char **argv` is an array of 64-bit elements in memory64 */
+                ((uint64 *)argv_offsets)[i] =
+                    (uint32)argv_buf_offset + (uint32)(p - argv_buf);
+            else
+#endif
+                argv_offsets[i] =
+                    (uint32)argv_buf_offset + (uint32)(p - argv_buf);
             p += strlen(argv[i]) + 1;
         }
 
diff --git a/core/iwasm/interpreter/wasm_interp_fast.c b/core/iwasm/interpreter/wasm_interp_fast.c
index df6aa73a2..825079249 100644
--- a/core/iwasm/interpreter/wasm_interp_fast.c
+++ b/core/iwasm/interpreter/wasm_interp_fast.c
@@ -3446,10 +3446,10 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
             {
                 /* clang-format off */
 #if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0
-                    local_offset = *frame_ip++;
+                local_offset = *frame_ip++;
 #else
-                    local_offset = *frame_ip;
-                    frame_ip += 2;
+                local_offset = *frame_ip;
+                frame_ip += 2;
 #endif
                 /* clang-format on */
                 *(uint32 *)(frame_lp + local_offset) =
@@ -3463,10 +3463,10 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
             {
                 /* clang-format off */
 #if WASM_CPU_SUPPORTS_UNALIGNED_ADDR_ACCESS != 0
-                    local_offset = *frame_ip++;
+                local_offset = *frame_ip++;
 #else
-                    local_offset = *frame_ip;
-                    frame_ip += 2;
+                local_offset = *frame_ip;
+                frame_ip += 2;
 #endif
                 /* clang-format on */
                 PUT_I64_TO_ADDR((uint32 *)(frame_lp + local_offset),
diff --git a/core/iwasm/interpreter/wasm_loader.c b/core/iwasm/interpreter/wasm_loader.c
index 86854ab25..f4911d6ee 100644
--- a/core/iwasm/interpreter/wasm_loader.c
+++ b/core/iwasm/interpreter/wasm_loader.c
@@ -6414,7 +6414,7 @@ create_sections(const uint8 *buf, uint32 size, WASMSection **p_section_list,
                 char *error_buf, uint32 error_buf_size)
 {
     WASMSection *section_list_end = NULL, *section;
-    const uint8 *p = buf, *p_end = buf + size /*, *section_body*/;
+    const uint8 *p = buf, *p_end = buf + size;
     uint8 section_type, section_index, last_section_index = (uint8)-1;
     uint32 section_size;
 
@@ -7658,7 +7658,6 @@ wasm_loader_find_block_addr(WASMExecEnv *exec_env, BlockAddr *block_addr_cache,
 #if (WASM_ENABLE_WAMR_COMPILER != 0) || (WASM_ENABLE_JIT != 0)
             case WASM_OP_SIMD_PREFIX:
             {
-                /* TODO: memory64 offset type changes */
                 uint32 opcode1;
 
                 read_leb_uint32(p, p_end, opcode1);
@@ -7683,8 +7682,8 @@ wasm_loader_find_block_addr(WASMExecEnv *exec_env, BlockAddr *block_addr_cache,
                     case SIMD_v128_store:
                         /* memarg align */
                         skip_leb_uint32(p, p_end);
-                        /* memarg offset*/
-                        skip_leb_uint32(p, p_end);
+                        /* memarg offset */
+                        skip_leb_mem_offset(p, p_end);
                         break;
 
                     case SIMD_v128_const:
@@ -7723,8 +7722,8 @@ wasm_loader_find_block_addr(WASMExecEnv *exec_env, BlockAddr *block_addr_cache,
                     case SIMD_v128_store64_lane:
                         /* memarg align */
                         skip_leb_uint32(p, p_end);
-                        /* memarg offset*/
-                        skip_leb_uint32(p, p_end);
+                        /* memarg offset */
+                        skip_leb_mem_offset(p, p_end);
                         /* ImmLaneId */
                         CHECK_BUF(p, p_end, 1);
                         p++;
@@ -7734,8 +7733,8 @@ wasm_loader_find_block_addr(WASMExecEnv *exec_env, BlockAddr *block_addr_cache,
                     case SIMD_v128_load64_zero:
                         /* memarg align */
                         skip_leb_uint32(p, p_end);
-                        /* memarg offset*/
-                        skip_leb_uint32(p, p_end);
+                        /* memarg offset */
+                        skip_leb_mem_offset(p, p_end);
                         break;
 
                     default:
diff --git a/core/iwasm/interpreter/wasm_mini_loader.c b/core/iwasm/interpreter/wasm_mini_loader.c
index c0966aad2..b9cd91fd3 100644
--- a/core/iwasm/interpreter/wasm_mini_loader.c
+++ b/core/iwasm/interpreter/wasm_mini_loader.c
@@ -6942,7 +6942,8 @@ re_scan:
                     uint32 j;
 
                     for (i = 0; i < module->global_count; i++) {
-                        if (module->globals[i].type == VALUE_TYPE_FUNCREF
+                        if (module->globals[i].type.val_type
+                                == VALUE_TYPE_FUNCREF
                             && module->globals[i].init_expr.init_expr_type
                                    == INIT_EXPR_TYPE_FUNCREF_CONST
                             && module->globals[i].init_expr.u.u32 == func_idx) {