[Subzero][MIPS] Implements atomic intrinsics for MIPS32

crosstest/test_sync_atomic_main.cpp

 //===- subzero/crosstest/test_sync_atomic_main.cpp - Driver for tests -----===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // Driver for cross testing atomic intrinsics, via the sync builtins.
@@ skipping 142 matching lines @@
 }
 
 template <typename Type> struct ThreadData {
   Type (*FuncPtr)(bool, volatile Type *, Type);
   bool Fetch;
   volatile Type *Ptr;
   Type Adjustment;
 };
 
 template <typename Type> void *threadWrapper(void *Data) {
-#ifdef ARM32
+#if defined(ARM32) || defined(MIPS32)
   // Given that most of times these crosstests for ARM are run under qemu, we
   // set a lower NumReps to allow crosstests to complete within a reasonable
   // amount of time.
   static const size_t NumReps = 1000;
-#else  // ARM32
+#else  // ARM32 || MIPS32
   static const size_t NumReps = 8000;
-#endif // ARM32
+#endif // ARM32 || MIPS32
 
   ThreadData<Type> *TData = reinterpret_cast<ThreadData<Type> *>(Data);
   for (size_t i = 0; i < NumReps; ++i) {
     (void)TData->FuncPtr(TData->Fetch, TData->Ptr, TData->Adjustment);
   }
   return NULL;
 }
 
 template <typename Type>
 void testAtomicRMWThreads(volatile Type *AtomicLoc, size_t &TotalTests,
@@ skipping 100 matching lines @@
   testValCompareAndSwap<uint64>(&AtomicLocs.l64, TotalTests, Passes, Failures);
   testAtomicRMWThreads<uint8_t>(&AtomicLocs.l8, TotalTests, Passes, Failures);
   testAtomicRMWThreads<uint16_t>(&AtomicLocs.l16, TotalTests, Passes, Failures);
   testAtomicRMWThreads<uint32_t>(&AtomicLocs.l32, TotalTests, Passes, Failures);
   testAtomicRMWThreads<uint64>(&AtomicLocs.l64, TotalTests, Passes, Failures);
 
   std::cout << "TotalTests=" << TotalTests << " Passes=" << Passes
             << " Failures=" << Failures << "\n";
   return Failures;
 }