MIPS[64]: Support for MSA instructions

src/base/cpu.h

 // Copyright 2006-2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This module contains the architecture-specific code. This make the rest of
 // the code less dependent on differences between different processor
 // architecture.
 // The classes have the same definition for all architectures. The
 // implementation for a particular architecture is put in cpu_<arch>.cc.
 // The build system then uses the implementation for the target architecture.
@@ skipping 95 matching lines @@
   // arm features
   bool has_idiva() const { return has_idiva_; }
   bool has_neon() const { return has_neon_; }
   bool has_thumb2() const { return has_thumb2_; }
   bool has_vfp() const { return has_vfp_; }
   bool has_vfp3() const { return has_vfp3_; }
   bool has_vfp3_d32() const { return has_vfp3_d32_; }
 
   // mips features
   bool is_fp64_mode() const { return is_fp64_mode_; }
+  bool has_msa() const { return has_msa_; }
 
  private:
   char vendor_[13];
   int stepping_;
   int model_;
   int ext_model_;
   int family_;
   int ext_family_;
   int type_;
   int implementer_;
@@ skipping 21 matching lines @@
   bool has_lzcnt_;
   bool has_popcnt_;
   bool has_idiva_;
   bool has_neon_;
   bool has_thumb2_;
   bool has_vfp_;
   bool has_vfp3_;
   bool has_vfp3_d32_;
   bool is_fp64_mode_;
   bool has_non_stop_time_stamp_counter_;
+  bool has_msa_;
 };
 
 }  // namespace base
 }  // namespace v8
 
 #endif  // V8_BASE_CPU_H_