Fix compile warnings/error reported in Windows (#3616)

Clear some compile warnings and fix undefined reference error for symbol ffs
in Windows platform.

core/iwasm/compilation/aot_emit_memory.c

@@ -91,6 +91,23 @@ get_memory_check_bound(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
     return mem_check_bound;
 }
 
+#if defined(_WIN32) || defined(_WIN32_)
+static inline int
+ffs(int n)
+{
+    int pos = 0;
+
+    if (n == 0)
+        return 0;
+
+    while (!(n & 1)) {
+        pos++;
+        n >>= 1;
+    }
+    return pos + 1;
+}
+#endif
+
 static LLVMValueRef
 get_memory_curr_page_count(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx);
 
@@ -198,7 +215,7 @@ aot_check_memory_overflow(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
              * has the natural alignment. for platforms using mmap, it can
              * be even larger. for now, use a conservative value.
              */
-            const int max_align = 8;
+            const unsigned int max_align = 8;
             int shift = ffs((int)(unsigned int)mem_offset);
             if (shift == 0) {
                 *alignp = max_align;

core/iwasm/compilation/aot_llvm.c

@@ -749,7 +749,8 @@ aot_add_llvm_func(AOTCompContext *comp_ctx, LLVMModuleRef module,
              * and more importantly doesn't involve relocations.
              */
             LLVMAttributeRef attr_short_call = LLVMCreateStringAttribute(
-                comp_ctx->context, "short-call", strlen("short-call"), "", 0);
+                comp_ctx->context, "short-call", (unsigned)strlen("short-call"),
+                "", 0);
             LLVMAddAttributeAtIndex(func, LLVMAttributeFunctionIndex,
                                     attr_short_call);
         }
@@ -3529,7 +3530,7 @@ aot_block_destroy(AOTCompContext *comp_ctx, AOTBlock *block)
 
 bool
 aot_checked_addr_list_add(AOTFuncContext *func_ctx, uint32 local_idx,
-                          uint32 offset, uint32 bytes)
+                          uint64 offset, uint32 bytes)
 {
     AOTCheckedAddr *node = func_ctx->checked_addr_list;
 
@@ -3573,7 +3574,7 @@ aot_checked_addr_list_del(AOTFuncContext *func_ctx, uint32 local_idx)
 
 bool
 aot_checked_addr_list_find(AOTFuncContext *func_ctx, uint32 local_idx,
-                           uint32 offset, uint32 bytes)
+                           uint64 offset, uint32 bytes)
 {
     AOTCheckedAddr *node = func_ctx->checked_addr_list;
 

core/iwasm/compilation/aot_llvm.h

@@ -197,7 +197,7 @@ typedef struct AOTBlockStack {
 typedef struct AOTCheckedAddr {
     struct AOTCheckedAddr *next;
     uint32 local_idx;
-    uint32 offset;
+    uint64 offset;
     uint32 bytes;
 } AOTCheckedAddr, *AOTCheckedAddrList;
 
@@ -574,14 +574,14 @@ wasm_type_to_llvm_type(const AOTCompContext *comp_ctx,
 
 bool
 aot_checked_addr_list_add(AOTFuncContext *func_ctx, uint32 local_idx,
-                          uint32 offset, uint32 bytes);
+                          uint64 offset, uint32 bytes);
 
 void
 aot_checked_addr_list_del(AOTFuncContext *func_ctx, uint32 local_idx);
 
 bool
 aot_checked_addr_list_find(AOTFuncContext *func_ctx, uint32 local_idx,
-                           uint32 offset, uint32 bytes);
+                           uint64 offset, uint32 bytes);
 
 void
 aot_checked_addr_list_destroy(AOTFuncContext *func_ctx);

core/iwasm/compilation/aot_llvm_extra.cpp

@@ -411,7 +411,7 @@ aot_compress_aot_func_names(AOTCompContext *comp_ctx, uint32 *p_size)
         return NULL;
     }
 
-    compressed_str_len = Result.size();
+    compressed_str_len = (uint32)Result.size();
     if (!(compressed_str = (char *)wasm_runtime_malloc(compressed_str_len))) {
         aot_set_last_error("allocate memory failed");
         return NULL;

core/iwasm/compilation/aot_orc_extra.cpp

@@ -189,7 +189,7 @@ PartitionFunction(GlobalValueSet Requested)
             auto GVName = GV->getName();         /* get the function name */
             const char *gvname = GVName.begin(); /* C function name */
             const char *wrapper;
-            uint32 prefix_len = strlen(AOT_FUNC_PREFIX);
+            uint32 prefix_len = (uint32)strlen(AOT_FUNC_PREFIX);
 
             LOG_DEBUG("requested func %s", gvname);
             /* Convert "aot_func#n_wrapper" to "aot_func#n" */

core/iwasm/compilation/simd/simd_load_store.c

@@ -281,7 +281,7 @@ aot_compile_simd_load_zero(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
 /* data_length in bytes */
 static bool
 simd_store(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx, uint32 align,
-           uint32 offset, uint32 data_length, LLVMValueRef value,
+           mem_offset_t offset, uint32 data_length, LLVMValueRef value,
            LLVMTypeRef value_ptr_type, bool enable_segue)
 {
     LLVMValueRef maddr, result;