Merge pull request #31 from antoyo/fix/aligned-int-comparison

Allow comparing aligned int types

Author: antoyo

gcc/jit/jit-recording.h

@@ -593,6 +593,14 @@ class type : public memento
 
   virtual bool is_same_type_as (type *other)
   {
+    if (is_int ()
+		 && other->is_int ()
+		 && get_size () == other->get_size ()
+		 && is_signed () == other->is_signed ())
+    {
+      /* LHS (this) is an integer of the same size and sign as rtype.  */
+      return true;
+    }
     return this == other;
   }
 
@@ -609,6 +617,7 @@ class type : public memento
   virtual type *is_volatile () { return NULL; }
   virtual type *is_restrict () { return NULL; }
   virtual type *is_const () { return NULL; }
+  virtual type *is_aligned () { return NULL; }
   virtual type *is_array () = 0;
   virtual struct_ *is_struct () { return NULL; }
   virtual bool is_union () const { return false; }
@@ -672,13 +681,6 @@ class memento_of_get_type : public type
 	       accept it:  */
 	    return true;
 	  }
-      } else if (is_int ()
-		 && rtype->is_int ()
-		 && get_size () == rtype->get_size ()
-		 && is_signed () == rtype->is_signed ())
-      {
-	/* LHS (this) is an integer of the same size and sign as rtype.  */
-	return true;
       }
 
     return type::accepts_writes_from (rtype);
@@ -882,6 +884,18 @@ class memento_of_get_aligned : public decorated_type
     return result;
   }
 
+  bool is_same_type_as (type *other) final override
+  {
+    // TODO: check if outermost alignment is equal?
+    if (!other->is_aligned ())
+    {
+      return m_other_type->is_same_type_as (other);
+    }
+    return m_other_type->is_same_type_as (other->is_aligned ());
+  }
+
+  type *is_aligned () final override { return m_other_type; }
+
   /* Strip off the alignment, giving the underlying type.  */
   type *unqualified () final override { return m_other_type; }