Simplified CPU/CpuFeatures a bit.

src/mips/cpu-mips.cc

 // 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 29 matching lines @@
 
 #include "cpu.h"
 #include "macro-assembler.h"
 
 #include "simulator.h"  // For cache flushing.
 
 namespace v8 {
 namespace internal {
 
 
-void CPU::SetUp() {
-  CpuFeatures::Probe();
-}
-
-
-bool CPU::SupportsCrankshaft() {
-  return CpuFeatures::IsSupported(FPU);
-}
-
-
 void CPU::FlushICache(void* start, size_t size) {
   // Nothing to do, flushing no instructions.
   if (size == 0) {
     return;
   }
 
 #if !defined (USE_SIMULATOR)
 #if defined(ANDROID)
   // Bionic cacheflush can typically run in userland, avoiding kernel call.
   char *end = reinterpret_cast<char *>(start) + size;
@@ skipping 13 matching lines @@
   // that the Icache was flushed.
   // None of this code ends up in the snapshot so there are no issues
   // around whether or not to generate the code when building snapshots.
   Simulator::FlushICache(Isolate::Current()->simulator_i_cache(), start, size);
 #endif  // USE_SIMULATOR.
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS