diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index a0824ef2350..70d7410f7a9 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -25922,9 +25922,9 @@
   "TARGET_AVX512F"
 {
   /*  There is no DF broadcast (in AVX-512*) to 128b register.
-      Mimic it with integer variant.  */
+      Mimic it with vmovddup, just like vec_dupv2df<mask_name> does.  */
   if (<MODE>mode == V2DFmode)
-    return "vpbroadcastq\t{%1, %0<mask_operand2>|%0<mask_operand2>, %q1}";
+    return "vmovddup\t{%1, %0<mask_operand2>|%0<mask_operand2>, %q1}";
 
   return "v<sseintprefix>broadcast<bcstscalarsuff>\t{%1, %0<mask_operand2>|%0<mask_operand2>, %<iptr>1}";
 }