--- a/src/hotspot/cpu/x86/assembler_x86.hpp	Thu Oct 17 20:27:44 2019 +0100
+++ b/src/hotspot/cpu/x86/assembler_x86.hpp	Thu Oct 17 20:53:35 2019 +0100
@@ -968,6 +968,9 @@
   void aesenc(XMMRegister dst, XMMRegister src);
   void aesenclast(XMMRegister dst, Address src);
   void aesenclast(XMMRegister dst, XMMRegister src);
+  // Vector AES instructions
+  void vaesenc(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
+  void vaesenclast(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
   void vaesdec(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
   void vaesdeclast(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
 
@@ -1025,6 +1028,8 @@
   void cld();
 
   void clflush(Address adr);
+  void clflushopt(Address adr);
+  void clwb(Address adr);
 
   void cmovl(Condition cc, Register dst, Register src);
   void cmovl(Condition cc, Register dst, Address src);
@@ -1401,6 +1406,7 @@
   }
 
   void mfence();
+  void sfence();
 
   // Moves
 
@@ -1850,6 +1856,9 @@
   void sqrtsd(XMMRegister dst, Address src);
   void sqrtsd(XMMRegister dst, XMMRegister src);
 
+  void roundsd(XMMRegister dst, Address src, int32_t rmode);
+  void roundsd(XMMRegister dst, XMMRegister src, int32_t rmode);
+
   // Compute Square Root of Scalar Single-Precision Floating-Point Value
   void sqrtss(XMMRegister dst, Address src);
   void sqrtss(XMMRegister dst, XMMRegister src);
@@ -2014,6 +2023,12 @@
   void vsqrtps(XMMRegister dst, XMMRegister src, int vector_len);
   void vsqrtps(XMMRegister dst, Address src, int vector_len);
 
+  // Round Packed Double precision value.
+  void vroundpd(XMMRegister dst, XMMRegister src, int32_t rmode, int vector_len);
+  void vroundpd(XMMRegister dst, Address src, int32_t rmode, int vector_len);
+  void vrndscalepd(XMMRegister dst,  XMMRegister src,  int32_t rmode, int vector_len);
+  void vrndscalepd(XMMRegister dst, Address src, int32_t rmode, int vector_len);
+
   // Bitwise Logical AND of Packed Floating-Point Values
   void andpd(XMMRegister dst, XMMRegister src);
   void andps(XMMRegister dst, XMMRegister src);