[X86] Add fxsr feature flag for fxsave/fxrestore instructions.
llvm-svn: 250497
diff --git a/llvm/lib/Target/X86/X86Subtarget.h b/llvm/lib/Target/X86/X86Subtarget.h
index 7ba0723..bca31c0 100644
--- a/llvm/lib/Target/X86/X86Subtarget.h
+++ b/llvm/lib/Target/X86/X86Subtarget.h
@@ -89,6 +89,9 @@
/// Target has AES instructions
bool HasAES;
+ /// Target has FXSAVE/FXRESTOR instructions
+ bool HasFXSR;
+
/// Target has XSAVE instructions
bool HasXSAVE;
/// Target has XSAVEOPT instructions
@@ -348,6 +351,7 @@
bool has3DNowA() const { return X863DNowLevel >= ThreeDNowA; }
bool hasPOPCNT() const { return HasPOPCNT; }
bool hasAES() const { return HasAES; }
+ bool hasFXSR() const { return HasFXSR; }
bool hasXSAVE() const { return HasXSAVE; }
bool hasXSAVEOPT() const { return HasXSAVEOPT; }
bool hasXSAVEC() const { return HasXSAVEC; }