Move ToI conversions to the MacroAssembler

src/ia32/assembler-ia32.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 165 matching lines @@
 
 
 const IntelDoubleRegister double_register_0 = { 0 };
 const IntelDoubleRegister double_register_1 = { 1 };
 const IntelDoubleRegister double_register_2 = { 2 };
 const IntelDoubleRegister double_register_3 = { 3 };
 const IntelDoubleRegister double_register_4 = { 4 };
 const IntelDoubleRegister double_register_5 = { 5 };
 const IntelDoubleRegister double_register_6 = { 6 };
 const IntelDoubleRegister double_register_7 = { 7 };
+const IntelDoubleRegister no_double_reg = { -1 };
 
 
 struct XMMRegister : IntelDoubleRegister {
   static const int kNumAllocatableRegisters = 7;
   static const int kNumRegisters = 8;
 
   static XMMRegister from_code(int code) {
     STATIC_ASSERT(sizeof(XMMRegister) == sizeof(IntelDoubleRegister));
     XMMRegister result;
     result.code_ = code;
@@ skipping 24 matching lines @@
 
 
 #define xmm0 (static_cast<const XMMRegister&>(double_register_0))
 #define xmm1 (static_cast<const XMMRegister&>(double_register_1))
 #define xmm2 (static_cast<const XMMRegister&>(double_register_2))
 #define xmm3 (static_cast<const XMMRegister&>(double_register_3))
 #define xmm4 (static_cast<const XMMRegister&>(double_register_4))
 #define xmm5 (static_cast<const XMMRegister&>(double_register_5))
 #define xmm6 (static_cast<const XMMRegister&>(double_register_6))
 #define xmm7 (static_cast<const XMMRegister&>(double_register_7))
+#define no_xmm_reg (static_cast<const XMMRegister&>(no_double_reg))
 
 
 struct X87Register : IntelDoubleRegister {
   static const int kNumAllocatableRegisters = 5;
   static const int kNumRegisters = 5;
 
   bool is(X87Register reg) const {
     return code_ == reg.code_;
   }
 
@@ skipping 990 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_ASSEMBLER_IA32_H_