ARM: Add support load/store multiple VFP registers

src/arm/constants-arm.h

-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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
 //       with the distribution.
@@ skipping 327 matching lines @@
   ib           = (8|4|0) << 21,  // Increment before.
   da_w         = (0|0|1) << 21,  // Decrement after with writeback to base.
   ia_w         = (0|4|1) << 21,  // Increment after with writeback to base.
   db_w         = (8|0|1) << 21,  // Decrement before with writeback to base.
   ib_w         = (8|4|1) << 21,  // Increment before with writeback to base.
 
   // Alias modes for comparison when writeback does not matter.
   da_x         = (0|0|0) << 21,  // Decrement after.
   ia_x         = (0|4|0) << 21,  // Increment after.
   db_x         = (8|0|0) << 21,  // Decrement before.
-  ib_x         = (8|4|0) << 21   // Increment before.
+  ib_x         = (8|4|0) << 21,  // Increment before.
+
+  kBlockAddrModeMask = (8|4|1) << 21
 };
 
 
 // Coprocessor load/store operand size.
 enum LFlag {
   Long  = 1 << 22,  // Long load/store coprocessor.
   Short = 0 << 22   // Short load/store coprocessor.
 };
 
 
@@ skipping 407 matching lines @@
   static int Number(const char* name, bool* is_double);
 
  private:
   static const char* names_[kNumVFPRegisters];
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_CONSTANTS_ARM_H_