Subzero. Native 64-bit int arithmetic on x86-64.

crosstest/test_select_main.cpp

 //===- subzero/crosstest/test_select_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 crosstesting the select bitcode instruction
@@ skipping 112 matching lines @@
       std::cout << "select<" << Vectors<T>::TypeName << ">(Cond=";
       std::cout << vectAsString<T>(Cond)
                 << ", Value1=" << vectAsString<T>(Value1)
                 << ", Value2=" << vectAsString<T>(Value2) << ")\n";
       std::cout << "llc=" << vectAsString<T>(ResultLlc) << "\n";
       std::cout << "sz =" << vectAsString<T>(ResultSz) << "\n";
     }
   }
 }
 
+#ifdef X8664_STACK_HACK
+extern "C" int wrapped_main(int argc, char *argv[]) {
+#else  // !defined(X8664_STACK_HACK)
 int main(int argc, char *argv[]) {
+#endif // X8664_STACK_HACK
   size_t TotalTests = 0;
   size_t Passes = 0;
   size_t Failures = 0;
 
   testSelect<v4f32, v4i1>(TotalTests, Passes, Failures);
   testSelect<v4si32, v4i1>(TotalTests, Passes, Failures);
   testSelect<v4ui32, v4i1>(TotalTests, Passes, Failures);
   testSelect<v8si16, v8i1>(TotalTests, Passes, Failures);
   testSelect<v8ui16, v8i1>(TotalTests, Passes, Failures);
   testSelect<v16si8, v16i1>(TotalTests, Passes, Failures);
   testSelect<v16ui8, v16i1>(TotalTests, Passes, Failures);
   testSelectI1<v4i1>(TotalTests, Passes, Failures);
   testSelectI1<v8i1>(TotalTests, Passes, Failures);
   testSelectI1<v16i1>(TotalTests, Passes, Failures);
 
   std::cout << "TotalTests=" << TotalTests << " Passes=" << Passes
             << " Failures=" << Failures << "\n";
 
   return Failures;
 }