--- a/src/cpu/x86/vm/assembler_x86.hpp	Thu Oct 16 10:21:29 2014 +0200
+++ b/src/cpu/x86/vm/assembler_x86.hpp	Wed Oct 15 16:02:50 2014 +0200
@@ -594,10 +594,35 @@
     vex_prefix(src, nds_enc, dst_enc, pre, VEX_OPCODE_0F, false, vector256);
   }
 
+  void vex_prefix_0F38(Register dst, Register nds, Address src) {
+    bool vex_w = false;
+    bool vector256 = false;
+    vex_prefix(src, nds->encoding(), dst->encoding(),
+               VEX_SIMD_NONE, VEX_OPCODE_0F_38, vex_w, vector256);
+  }
+
+  void vex_prefix_0F38_q(Register dst, Register nds, Address src) {
+    bool vex_w = true;
+    bool vector256 = false;
+    vex_prefix(src, nds->encoding(), dst->encoding(),
+               VEX_SIMD_NONE, VEX_OPCODE_0F_38, vex_w, vector256);
+  }
   int  vex_prefix_and_encode(int dst_enc, int nds_enc, int src_enc,
                              VexSimdPrefix pre, VexOpcode opc,
                              bool vex_w, bool vector256);
 
+  int  vex_prefix_0F38_and_encode(Register dst, Register nds, Register src) {
+    bool vex_w = false;
+    bool vector256 = false;
+    return vex_prefix_and_encode(dst->encoding(), nds->encoding(), src->encoding(),
+                                 VEX_SIMD_NONE, VEX_OPCODE_0F_38, vex_w, vector256);
+  }
+  int  vex_prefix_0F38_and_encode_q(Register dst, Register nds, Register src) {
+    bool vex_w = true;
+    bool vector256 = false;
+    return vex_prefix_and_encode(dst->encoding(), nds->encoding(), src->encoding(),
+                                 VEX_SIMD_NONE, VEX_OPCODE_0F_38, vex_w, vector256);
+  }
   int  vex_prefix_and_encode(XMMRegister dst, XMMRegister nds, XMMRegister src,
                              VexSimdPrefix pre, bool vector256 = false,
                              VexOpcode opc = VEX_OPCODE_0F) {
@@ -901,6 +926,27 @@
   void andq(Register dst, Address src);
   void andq(Register dst, Register src);
 
+  // BMI instructions
+  void andnl(Register dst, Register src1, Register src2);
+  void andnl(Register dst, Register src1, Address src2);
+  void andnq(Register dst, Register src1, Register src2);
+  void andnq(Register dst, Register src1, Address src2);
+
+  void blsil(Register dst, Register src);
+  void blsil(Register dst, Address src);
+  void blsiq(Register dst, Register src);
+  void blsiq(Register dst, Address src);
+
+  void blsmskl(Register dst, Register src);
+  void blsmskl(Register dst, Address src);
+  void blsmskq(Register dst, Register src);
+  void blsmskq(Register dst, Address src);
+
+  void blsrl(Register dst, Register src);
+  void blsrl(Register dst, Address src);
+  void blsrq(Register dst, Register src);
+  void blsrq(Register dst, Address src);
+
   void bsfl(Register dst, Register src);
   void bsrl(Register dst, Register src);
 
@@ -1409,6 +1455,8 @@
   // Pemutation of 64bit words
   void vpermq(XMMRegister dst, XMMRegister src, int imm8, bool vector256);
 
+  void pause();
+
   // SSE4.2 string instructions
   void pcmpestri(XMMRegister xmm1, XMMRegister xmm2, int imm8);
   void pcmpestri(XMMRegister xmm1, Address src, int imm8);
@@ -1493,6 +1541,8 @@
 
   void rclq(Register dst, int imm8);
 
+  void rdtsc();
+
   void ret(int imm16);
 
   void sahf();
@@ -1578,6 +1628,9 @@
   void testq(Register dst, int32_t imm32);
   void testq(Register dst, Register src);
 
+  // BMI - count trailing zeros
+  void tzcntl(Register dst, Register src);
+  void tzcntq(Register dst, Register src);
 
   // Unordered Compare Scalar Double-Precision Floating-Point Values and set EFLAGS
   void ucomisd(XMMRegister dst, Address src);
@@ -1587,16 +1640,22 @@
   void ucomiss(XMMRegister dst, Address src);
   void ucomiss(XMMRegister dst, XMMRegister src);
 
+  void xabort(int8_t imm8);
+
   void xaddl(Address dst, Register src);
 
   void xaddq(Address dst, Register src);
 
+  void xbegin(Label& abort, relocInfo::relocType rtype = relocInfo::none);
+
   void xchgl(Register reg, Address adr);
   void xchgl(Register dst, Register src);
 
   void xchgq(Register reg, Address adr);
   void xchgq(Register dst, Register src);
 
+  void xend();
+
   // Get Value of Extended Control Register
   void xgetbv();