From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Fedora GDB patches <invalid@email.com>
Date: Fri, 27 Oct 2017 21:07:50 +0200
Subject: gdb-opcodes-clflushopt-test.patch

;; Test clflushopt instruction decode (for RH BZ 1262471).
;;=fedoratest

diff --git a/gdb/testsuite/gdb.arch/amd64-clflushopt.S b/gdb/testsuite/gdb.arch/amd64-clflushopt.S
new file mode 100644
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/amd64-clflushopt.S
@@ -0,0 +1,19 @@
+/* Copyright 2016 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+   This file is part of the gdb testsuite.  */
+
+_start:	.globl	_start
+	clflushopt (%edi)
diff --git a/gdb/testsuite/gdb.arch/amd64-clflushopt.exp b/gdb/testsuite/gdb.arch/amd64-clflushopt.exp
new file mode 100644
--- /dev/null
+++ b/gdb/testsuite/gdb.arch/amd64-clflushopt.exp
@@ -0,0 +1,25 @@
+# Copyright 2016 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+if { ![istarget "x86_64-*-*"] && ![istarget "i?86-*-*"] } then {
+    verbose "Skipping amd64 clflushopt test."
+    return
+}
+
+if [prepare_for_testing amd64-clflushopt.exp amd64-clflushopt amd64-clflushopt.S [list debug "additional_flags=-nostdlib"]] {
+    return -1
+}
+
+gdb_test "disas _start" "Dump of assembler code for function _start:\r\n *0x\[0-9a-f\]+ <\[+\]0>:\tclflushopt \\(%edi\\)\r\nEnd of assembler dump\\." "clflushopt"
