diff --git a/flang/test/Fir/boxchar.fir b/flang/test/Fir/boxchar.fir
--- a/flang/test/Fir/boxchar.fir
+++ b/flang/test/Fir/boxchar.fir
@@ -1,3 +1,5 @@
+// REQUIRES: x86-registerd-target
+
 // RUN: tco --target=x86_64-unknown-linux-gnu %s | FileCheck %s
 // RUN: %flang_fc1 -emit-llvm -triple x86_64-unknown-linux-gnu %s -o - | FileCheck %s
 
diff --git a/flang/test/Fir/inline.fir b/flang/test/Fir/inline.fir
--- a/flang/test/Fir/inline.fir
+++ b/flang/test/Fir/inline.fir
@@ -1,3 +1,5 @@
+// REQUIRES: x86-registerd-target
+
 // RUN: tco --target=x86_64-unknown-linux-gnu --inline-all %s -o - | FileCheck %s
 // RUN: %flang_fc1 -triple x86_64-unknown-linux-gnu -mmlir --inline-all -emit-llvm %s -o - | FileCheck %s