__i386__, __i386, etc. are not defined for x86-64. Use __x86_64__.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28881 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp
index 692232b..7fdc060 100644
--- a/lib/Target/CBackend/Writer.cpp
+++ b/lib/Target/CBackend/Writer.cpp
@@ -937,7 +937,8 @@
Out << "#define CODE_FOR_MAIN() /* Any target-specific code for main()*/\n";
// On X86, set the FP control word to 64-bits of precision instead of 80 bits.
Out << "#if defined(__GNUC__) && !defined(__llvm__)\n"
- << "#if defined(i386) || defined(__i386__) || defined(__i386)\n"
+ << "#if defined(i386) || defined(__i386__) || defined(__i386) || "
+ << "defined(__x86_64__)\n"
<< "#undef CODE_FOR_MAIN\n"
<< "#define CODE_FOR_MAIN() \\\n"
<< " {short F;__asm__ (\"fnstcw %0\" : \"=m\" (*&F)); \\\n"