3 files changed, 16 insertions, 0 deletions
diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp
index 716ec43..1aca467 100644
--- a/gas/testsuite/gas/i386/i386.exp
+++ b/gas/testsuite/gas/i386/i386.exp
@@ -753,6 +753,7 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
     run_dump_test "x86-64-rdpid-intel"
     run_dump_test "x86-64-fence-as-lock-add-yes"
     run_dump_test "x86-64-fence-as-lock-add-no"
+    run_dump_test "x86-64-pr20141"
 
     if { ![istarget "*-*-aix*"]
       && ![istarget "*-*-beos*"]
diff --git a/gas/testsuite/gas/i386/x86-64-pr20141.d b/gas/testsuite/gas/i386/x86-64-pr20141.d
new file mode 100644
index 0000000..a8012b2
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-pr20141.d
@@ -0,0 +1,10 @@
+#objdump: -dw
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <_start>:
+[ 	]*[a-f0-9]+:	62 e1 7d 48 e7 21    	vmovntdq %zmm20,\(%rcx\)
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-pr20141.s b/gas/testsuite/gas/i386/x86-64-pr20141.s
new file mode 100644
index 0000000..f8fa3df
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-pr20141.s
@@ -0,0 +1,5 @@
+	.text
+	.arch corei7
+	.arch .avx512f
+_start:
+	vmovntdq	%zmm20, (%rcx)