Cleanups. More mutator thread asserts.

runtime/vm/assembler_x64.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_ASSEMBLER_X64_H_
 #define VM_ASSEMBLER_X64_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_x64.h directly; use assembler.h instead.
 #endif
@@ skipping 653 matching lines @@
   void xorpd(XmmRegister dst, XmmRegister src);
 
   void xorps(XmmRegister dst, const Address& src);
   void xorps(XmmRegister dst, XmmRegister src);
 
   void andpd(XmmRegister dst, const Address& src);
 
   void fldl(const Address& src);
   void fstpl(const Address& dst);
 
-  void fildl(const Address& src);
-
   void fincstp();
   void ffree(intptr_t value);
 
   void fsin();
   void fcos();
 
   // 'size' indicates size in bytes and must be in the range 1..8.
   void nop(int size = 1);
   void int3();
   void hlt();
@@ skipping 516 matching lines @@
 }
 
 
 inline void Assembler::EmitOperandSizeOverride() {
   EmitUint8(0x66);
 }
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_X64_H_