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1 files changed, 16 insertions, 0 deletions
diff --git a/test/MC/SystemZ/insn-mxdb-02.s b/test/MC/SystemZ/insn-mxdb-02.s
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index 0000000000..44c821cad0
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+++ b/test/MC/SystemZ/insn-mxdb-02.s
@@ -0,0 +1,16 @@
+# RUN: not llvm-mc -triple s390x-linux-gnu < %s 2> %t
+# RUN: FileCheck < %t %s
+
+#CHECK: error: invalid register
+#CHECK: mxdb %f2, 0
+#CHECK: error: invalid register
+#CHECK: mxdb %f15, 0
+#CHECK: error: invalid operand
+#CHECK: mxdb %f0, -1
+#CHECK: error: invalid operand
+#CHECK: mxdb %f0, 4096
+
+ mxdb %f2, 0
+ mxdb %f15, 0
+ mxdb %f0, -1
+ mxdb %f0, 4096