1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index 85441b1..c4fd729 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -580,6 +580,13 @@ void X86AsmPrinter::EmitEndOfAsmFile(Module &M) {
     OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols);
   }
 
+  if (Subtarget->isTargetWindows()
+   && !Subtarget->isTargetCygMing()
+   && MMI->callsExternalFunctionWithFloatingPointArguments()) {
+    MCSymbol *S = MMI->getContext().GetOrCreateSymbol(StringRef("__fltused"));
+    OutStreamer.EmitSymbolAttribute(S, MCSA_Global);
+  }
+
   if (Subtarget->isTargetCOFF()) {
     X86COFFMachineModuleInfo &COFFMMI =
       MMI->getObjFileInfo<X86COFFMachineModuleInfo>();