[x64] Emit vmovmskpd when AVX is enabled.

src/x64/assembler-x64.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 1263 matching lines @@
   void vfmass(byte op, XMMRegister dst, XMMRegister src1, XMMRegister src2);
   void vfmass(byte op, XMMRegister dst, XMMRegister src1, const Operand& src2);
 
   void vmovd(XMMRegister dst, Register src);
   void vmovd(XMMRegister dst, const Operand& src);
   void vmovd(Register dst, XMMRegister src);
   void vmovq(XMMRegister dst, Register src);
   void vmovq(XMMRegister dst, const Operand& src);
   void vmovq(Register dst, XMMRegister src);
 
-  void vmovapd(XMMRegister dst, XMMRegister src);
   void vmovsd(XMMRegister dst, const Operand& src) {
     vsd(0x10, dst, xmm0, src);
   }
   void vmovsd(XMMRegister dst, XMMRegister src) { vsd(0x10, dst, xmm0, src); }
   void vmovsd(const Operand& dst, XMMRegister src) {
     vsd(0x11, src, xmm0, dst);
   }
   void vaddsd(XMMRegister dst, XMMRegister src1, XMMRegister src2) {
     vsd(0x58, dst, src1, src2);
   }
@@ skipping 282 matching lines @@
     bmi2l(kF2, 0xf7, dst, src2, src1);
   }
   void shrxl(Register dst, const Operand& src1, Register src2) {
     bmi2l(kF2, 0xf7, dst, src2, src1);
   }
   void rorxq(Register dst, Register src, byte imm8);
   void rorxq(Register dst, const Operand& src, byte imm8);
   void rorxl(Register dst, Register src, byte imm8);
   void rorxl(Register dst, const Operand& src, byte imm8);
 
+  void vmovapd(XMMRegister dst, XMMRegister src) { vpd(0x28, dst, xmm0, src); }
+  void vmovmskpd(Register dst, XMMRegister src) {
+    XMMRegister idst = {dst.code()};
+    vpd(0x50, idst, xmm0, src);
+  }
+
 #define PACKED_OP_LIST(V) \
   V(and, 0x54)            \
   V(xor, 0x57)
 
 #define AVX_PACKED_OP_DECLARE(name, opcode)                                  \
   void v##name##ps(XMMRegister dst, XMMRegister src1, XMMRegister src2) {    \
     vps(opcode, dst, src1, src2);                                            \
   }                                                                          \
   void v##name##ps(XMMRegister dst, XMMRegister src1, const Operand& src2) { \
     vps(opcode, dst, src1, src2);                                            \
@@ skipping 560 matching lines @@
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_X64_ASSEMBLER_X64_H_