[X86] Add fxsr feature flag for fxsave/fxrestore instructions.

[oota-llvm.git] / lib / Target / X86 / X86Subtarget.cpp

diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 111e12baaac5cd1cbf9626807a68d29c89413d4f..ad593f4be2ea1557fee132f09c42f930763cd1af 100644 (file)
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -228,13 +228,19 @@ void X86Subtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
 }
 
 void X86Subtarget::initializeEnvironment() {
-  X86SSELevel = NoMMXSSE;
+  X86SSELevel = NoSSE;
   X863DNowLevel = NoThreeDNow;
   HasCMov = false;
+  HasMMX = false;
   HasX86_64 = false;
   HasPOPCNT = false;
   HasSSE4A = false;
   HasAES = false;
+  HasFXSR = false;
+  HasXSAVE = false;
+  HasXSAVEOPT = false;
+  HasXSAVEC = false;
+  HasXSAVES = false;
   HasPCLMUL = false;
   HasFMA = false;
   HasFMA4 = false;
@@ -290,7 +296,7 @@ X86Subtarget &X86Subtarget::initializeSubtargetDependencies(StringRef CPU,
 X86Subtarget::X86Subtarget(const Triple &TT, const std::string &CPU,
                            const std::string &FS, const X86TargetMachine &TM,
                            unsigned StackAlignOverride)
-    : X86GenSubtargetInfo(TargetTuple(TT), CPU, FS), X86ProcFamily(Others),
+    : X86GenSubtargetInfo(TT, CPU, FS), X86ProcFamily(Others),
       PICStyle(PICStyles::None), TargetTriple(TT),
       StackAlignOverride(StackAlignOverride),
       In64BitMode(TargetTriple.getArch() == Triple::x86_64),