diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td
index e4c1c8effde..de2d619dd4f 100644
--- a/lib/Target/X86/X86.td
+++ b/lib/Target/X86/X86.td
@@ -15,3 +15,20 @@ include "../Target.td"
 
 include "X86RegisterInfo.td"
 
+//===----------------------------------------------------------------------===//
+// Instruction Descriptions
+//===----------------------------------------------------------------------===//
+
+def X86InstrInfo : InstrInfo {
+}
+
+def X86 : Target {
+  // Specify the callee saved registers.
+  set CalleeSavedRegisters = [ESI, EDI, EBX, EBP];
+
+  // Yes, pointers are 32-bits in size.
+  set PointerType = i32;
+
+  // Information about the instructions...
+  set InstructionSet = X86InstrInfo;
+}