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

crosstest/test_fcmp_main.cpp

Index: crosstest/test_fcmp_main.cpp
diff --git a/crosstest/test_fcmp_main.cpp b/crosstest/test_fcmp_main.cpp
index 9e9c32c5c3eca5aedafa8f39a60d10cc85d36948..b38de31012522223a5b7566d922957b436cb6c61 100644
--- a/crosstest/test_fcmp_main.cpp
+++ b/crosstest/test_fcmp_main.cpp
@@ -159,7 +159,11 @@ void testsVector(size_t &TotalTests, size_t &Passes, size_t &Failures) {
   }
 }
 
-int main(int argc, char **argv) {
+#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;