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-rw-r--r--lib/Target/X86/X86.td7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td
index 7bb96766cceb..4ccb43fe18cc 100644
--- a/lib/Target/X86/X86.td
+++ b/lib/Target/X86/X86.td
@@ -17,6 +17,13 @@
include "llvm/Target/Target.td"
//===----------------------------------------------------------------------===//
+// X86 Subtarget state.
+//
+
+def Mode64Bit : SubtargetFeature<"64bit-mode", "In64BitMode", "true",
+ "64-bit mode (x86_64)">;
+
+//===----------------------------------------------------------------------===//
// X86 Subtarget features.
//===----------------------------------------------------------------------===//