ARM: Improve register allocation and constraints (try 2)....

src/arm/macro-assembler-arm.h

 // Copyright 2011 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 125 matching lines @@
            int width,
            Condition cond = al);
   void Bfc(Register dst, int lsb, int width, Condition cond = al);
   void Usat(Register dst, int satpos, const Operand& src,
             Condition cond = al);
 
   void Call(Label* target);
 
   // Register move. May do nothing if the registers are identical.
   void Move(Register dst, Handle<Object> value);
-  void Move(Register dst, Register src);
+  void Move(Register dst, Register src, Condition cond = al);
   void Move(DoubleRegister dst, DoubleRegister src);
 
   // Load an object from the root table.
   void LoadRoot(Register destination,
                 Heap::RootListIndex index,
                 Condition cond = al);
   // Store an object to the root table.
   void StoreRoot(Register source,
                  Heap::RootListIndex index,
                  Condition cond = al);
@@ skipping 148 matching lines @@
   // Compare double values and then load the fpscr flags to a register.
   void VFPCompareAndLoadFlags(const DwVfpRegister src1,
                               const DwVfpRegister src2,
                               const Register fpscr_flags,
                               const Condition cond = al);
   void VFPCompareAndLoadFlags(const DwVfpRegister src1,
                               const double src2,
                               const Register fpscr_flags,
                               const Condition cond = al);
 
+  void Vmov(const DwVfpRegister dst,
+            const double imm,
+            const Condition cond = al);
+
 
   // ---------------------------------------------------------------------------
   // Activation frames
 
   void EnterInternalFrame() { EnterFrame(StackFrame::INTERNAL); }
   void LeaveInternalFrame() { LeaveFrame(StackFrame::INTERNAL); }
 
   void EnterConstructFrame() { EnterFrame(StackFrame::CONSTRUCT); }
   void LeaveConstructFrame() { LeaveFrame(StackFrame::CONSTRUCT); }
 
@@ skipping 800 matching lines @@
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_MACRO_ASSEMBLER_ARM_H_