Remove TargetOptions.h dependency from X86Subtarget.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133726 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 7483329..0b85469 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -117,7 +117,7 @@
 X86TargetMachine::X86TargetMachine(const Target &T, const std::string &TT,
                                    const std::string &FS, bool is64Bit)
   : LLVMTargetMachine(T, TT),
-    Subtarget(TT, FS, is64Bit),
+    Subtarget(TT, FS, is64Bit, StackAlignment),
     FrameLowering(*this, Subtarget),
     ELFWriterInfo(is64Bit, true) {
   DefRelocModel = getRelocationModel();
@@ -182,6 +182,10 @@
   // Finally, if we have "none" as our PIC style, force to static mode.
   if (Subtarget.getPICStyle() == PICStyles::None)
     setRelocationModel(Reloc::Static);
+
+  // default to hard float ABI
+  if (FloatABIType == FloatABI::Default)
+    FloatABIType = FloatABI::Hard;    
 }
 
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