diff --git a/src/spider/runtime/cpu/InstrReelDyn.cpp b/src/spider/runtime/cpu/InstrReelDyn.cpp
index 150e0b8..2e66a25 100644
--- a/src/spider/runtime/cpu/InstrReelDyn.cpp
+++ b/src/spider/runtime/cpu/InstrReelDyn.cpp
@@ -29,6 +29,7 @@ namespace spider {
         _block_index = copy._block_index;
         _blocks = copy._blocks;
         if (_block_index < _blocks.size()) selectBlock(_block_index);
+        return *this;
     }
 
     InstrReelDyn& InstrReelDyn::operator=(InstrReelDyn&& move) noexcept {
@@ -43,6 +44,7 @@ namespace spider {
         move._offset = 0;
         move._size = 0;
         move._total_size = 0;
+        return *this;
     }
 
     void InstrReelDyn::growToFit(isize index) {
diff --git a/src/spider/runtime/memory/Types.hpp b/src/spider/runtime/memory/Types.hpp
index 7d250ee..6c80507 100644
--- a/src/spider/runtime/memory/Types.hpp
+++ b/src/spider/runtime/memory/Types.hpp
@@ -11,6 +11,8 @@
     #include <cstdlib>
 #endif
 
+#include <cstring>
+
 namespace spider {
 
     /*
@@ -148,7 +150,7 @@ namespace spider {
 #if SPIDER_LITTLE_ENDIAN
         T tmp;
         std::memcpy(&tmp, bytes, sizeof(T));
-        *n = bswap(tmp);
+        *n = byteswap(tmp);
 #endif
 #if !SPIDER_BIG_ENDIAN && !SPIDER_LITTLE_ENDIAN
         using U = std::make_unsigned_t<T>;
@@ -213,12 +215,12 @@ namespace spider {
     inline void loadLE(T* n, const u8* bytes) {
         static_assert(std::is_trivially_copyable<T>::value);
 #if SPIDER_BIG_ENDIAN
-        std::memcpy(n, bytes, sizeof(T));
-#endif
-#if SPIDER_LITTLE_ENDIAN
         T tmp;
         std::memcpy(&tmp, bytes, sizeof(T));
-        *n = bswap(tmp);
+        *n = byteswap(tmp);
+#endif
+#if SPIDER_LITTLE_ENDIAN
+        std::memcpy(n, bytes, sizeof(T));
 #endif
 #if !SPIDER_BIG_ENDIAN && !SPIDER_LITTLE_ENDIAN
         using U = std::make_unsigned_t<T>;
diff --git a/src/spider/runtime/util/Terminal.hpp b/src/spider/runtime/util/Terminal.hpp
index 108491e..3f183f1 100644
--- a/src/spider/runtime/util/Terminal.hpp
+++ b/src/spider/runtime/util/Terminal.hpp
@@ -153,7 +153,7 @@ namespace spider {
             std::string s = oss.str();
 
             // then print
-            if (s.length() >= size(width)) {
+            if (s.length() >= isize(width)) {
                 std::cout << s;
             } else {
                 i32 total_padding = width - s.length();