diff --git a/src/spider/runtime/cpu/Register.hpp b/src/spider/runtime/cpu/Register.hpp
index 2948e22..d7aeaf4 100644
--- a/src/spider/runtime/cpu/Register.hpp
+++ b/src/spider/runtime/cpu/Register.hpp
@@ -18,10 +18,53 @@ namespace spider {
      * type-punning which is the "standard" right now.
      */
     union register_t {
+
+        // -- Un/Signed 64 -- //
+
         u64 _u64;
         i64 _i64;
-        f64 _f64;
-        u8  _bytes[8];
+
+        // -- Un/Signed 32 -- //
+
+        struct {
+    #if SPIDER_LITTLE_ENDIAN
+            u32 _u32; u32 : 32;
+    #else
+            u32 : 32; u32 _u32;
+    #endif
+        };
+
+        struct {
+    #if SPIDER_LITTLE_ENDIAN
+            i32 _i32; i32 : 32;
+    #else
+            i32 : 32; i32 _i32;
+    #endif
+        };
+
+        // -- Un/Signed 16 -- //
+
+        struct {
+    #if SPIDER_LITTLE_ENDIAN
+            u16 _u16;
+            u16 : 16; u16 : 16; u16 : 16;
+    #else
+            u16 : 16; u16 : 16; u16 : 16;
+            u16 _u16;
+    #endif
+        };
+
+        struct {
+    #if SPIDER_LITTLE_ENDIAN
+            i16 _i16;
+            i16 : 16; i16 : 16; i16 : 16;
+    #else
+            i16 : 16; i16 : 16; i16 : 16;
+            i16 _i16;
+    #endif
+        };
+
+        // -- Un/Signed 8 -- //
 
         struct {
     #if SPIDER_LITTLE_ENDIAN
@@ -35,22 +78,17 @@ namespace spider {
 
         struct {
     #if SPIDER_LITTLE_ENDIAN
-            u16 _u16;
-            u16 : 16; u16 : 16; u16 : 16;
+            i8 _i8; // ditto
+            i8 : 8; i8 : 8; i8 : 8; i8 : 8; i8 : 8; i8 : 8;  i8 : 8;
     #else
-            u16 : 16; u16 : 16; u16 : 16;
-            u16 _u16;
+            i8 : 8; i8 : 8; i8 : 8; i8 : 8; i8 : 8; i8 : 8;  i8 : 8;
+            i8 _i8;
     #endif
         };
 
-        struct {
-    #if SPIDER_LITTLE_ENDIAN
-            u32 _u32; u32 : 32;
-    #else
-            u32 : 32; u32 _u32;
-    #endif
-        };
+        // -- Floating Point -- //
 
+        f64 _f64;
         struct {
     #if SPIDER_LITTLE_ENDIAN
             f32 _f32; u32 : 32;
@@ -59,6 +97,10 @@ namespace spider {
     #endif
         };
 
+        // -- Access -- //
+        
+        u8 _bytes[8];
+
         u8& operator[](size_t i) { // 0 is always LSB
     #if SPIDER_LITTLE_ENDIAN
             return _bytes[i];
@@ -75,6 +117,7 @@ namespace spider {
             return _bytes[7 - i];
     #endif
         }
+        
     };
     static_assert(sizeof(register_t) == 8, "The register type must be exactly 8 bytes.");