diff --git a/compiler/utils/assembler_test.h b/compiler/utils/assembler_test.h
index b13edb6..3fe1a31 100644
--- a/compiler/utils/assembler_test.h
+++ b/compiler/utils/assembler_test.h
@@ -44,7 +44,9 @@
 
 enum class RegisterView {  // private
   kUsePrimaryName,
-  kUseSecondaryName
+  kUseSecondaryName,
+  kUseTertiaryName,
+  kUseQuaternaryName,
 };
 
 template<typename Ass, typename Reg, typename FPReg, typename Imm>
@@ -97,6 +99,15 @@
         fmt);
   }
 
+  std::string Repeatrb(void (Ass::*f)(Reg, Reg), std::string fmt) {
+    return RepeatTemplatedRegisters<Reg, Reg>(f,
+        GetRegisters(),
+        GetRegisters(),
+        &AssemblerTest::GetRegName<RegisterView::kUseSecondaryName>,
+        &AssemblerTest::GetRegName<RegisterView::kUseQuaternaryName>,
+        fmt);
+  }
+
   std::string RepeatRr(void (Ass::*f)(Reg, Reg), std::string fmt) {
     return RepeatTemplatedRegisters<Reg, Reg>(f,
         GetRegisters(),
@@ -240,6 +251,18 @@
     UNREACHABLE();
   }
 
+  // Tertiary register names are the tertiary view on registers, e.g., 16b on 64b systems.
+  virtual std::string GetTertiaryRegisterName(const Reg& reg ATTRIBUTE_UNUSED) {
+    UNIMPLEMENTED(FATAL) << "Architecture does not support tertiary registers";
+    UNREACHABLE();
+  }
+
+  // Quaternary register names are the quaternary view on registers, e.g., 8b on 64b systems.
+  virtual std::string GetQuaternaryRegisterName(const Reg& reg ATTRIBUTE_UNUSED) {
+    UNIMPLEMENTED(FATAL) << "Architecture does not support quaternary registers";
+    UNREACHABLE();
+  }
+
   std::string GetRegisterName(const Reg& reg) {
     return GetRegName<RegisterView::kUsePrimaryName>(reg);
   }
@@ -520,6 +543,14 @@
       case RegisterView::kUseSecondaryName:
         sreg << GetSecondaryRegisterName(reg);
         break;
+
+      case RegisterView::kUseTertiaryName:
+        sreg << GetTertiaryRegisterName(reg);
+        break;
+
+      case RegisterView::kUseQuaternaryName:
+        sreg << GetQuaternaryRegisterName(reg);
+        break;
     }
     return sreg.str();
   }