clarify that these are v9 options


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21960 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SparcV9/SparcV9TargetMachine.cpp b/lib/Target/SparcV9/SparcV9TargetMachine.cpp
index a84fbca..6842ddc 100644
--- a/lib/Target/SparcV9/SparcV9TargetMachine.cpp
+++ b/lib/Target/SparcV9/SparcV9TargetMachine.cpp
@@ -53,10 +53,10 @@
 
 namespace {
   cl::opt<bool> DisableSched("disable-sched",
-                             cl::desc("Disable local scheduling pass"));
+                             cl::desc("Disable sparcv9 local scheduling pass"));
 
   cl::opt<bool> DisablePeephole("disable-peephole",
-                                cl::desc("Disable peephole optimization pass"));
+                                cl::desc("Disable sparcv9 peephole optimization pass"));
 
   cl::opt<bool, true> EmitMappingInfoOpt("enable-maps", cl::ReallyHidden,
                  cl::location(EmitMappingInfo),
@@ -64,7 +64,7 @@
                  cl::desc("Emit LLVM-to-MachineCode mapping info to assembly"));
 
   cl::opt<bool> EnableModSched("enable-modsched",
-	 cl::desc("Enable modulo scheduling pass instead of local scheduling"), cl::Hidden);
+	 cl::desc("Enable sparcv9 modulo scheduling pass instead of local scheduling"), cl::Hidden);
 
   // Register the target.
   RegisterTarget<SparcV9TargetMachine> X("sparcv9", "  SPARC V9");