Emit VMLA for multiply-add on ARM

src/hydrogen.h

 // Copyright 2012 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 1210 matching lines @@
                                 HValue* receiver,
                                 Handle<Map> receiver_map);
 
   bool MatchRotateRight(HValue* left,
                         HValue* right,
                         HValue** operand,
                         HValue** shift_amount);
 
   Zone* zone() const { return zone_; }
 
+  bool MatchMultiplyAdd(HValue* left, HValue* right, HValue** a, HValue** b, HValue** c);
+
   // The translation state of the currently-being-translated function.
   FunctionState* function_state_;
 
   // The base of the function state stack.
   FunctionState initial_function_state_;
 
   // Expression context of the currently visited subexpression. NULL when
   // visiting statements.
   AstContext* ast_context_;
 
@@ skipping 255 matching lines @@
   const char* filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_