Rewrite tblgen handling of subtarget features so
it follows the order of the enum, not alphabetical.
The motivation is to make -mattr=+ssse3,+sse41
select SSE41 as it ought to.  Added "ignored"
enum values of 0 to PPC and SPU to avoid compiler
warnings.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47143 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/SubtargetEmitter.cpp b/utils/TableGen/SubtargetEmitter.cpp
index 1f34bcc..5e7688a 100644
--- a/utils/TableGen/SubtargetEmitter.cpp
+++ b/utils/TableGen/SubtargetEmitter.cpp
@@ -482,8 +482,12 @@
     const std::string &Value = R->getValueAsString("Value");
     const std::string &Attribute = R->getValueAsString("Attribute");
 
-    OS << "  if ((Bits & " << Instance << ") != 0) "
-       << Attribute << " = " << Value << ";\n";
+    if (Value=="true" || Value=="false")
+      OS << "  if ((Bits & " << Instance << ") != 0) "
+         << Attribute << " = " << Value << ";\n";
+    else
+      OS << "  if ((Bits & " << Instance << ") != 0 && " << Attribute << 
+            " < " << Value << ") " << Attribute << " = " << Value << ";\n";
   }
 
   if (HasItineraries) {