Fix file header comments and include guards -- many files have been moved or
renamed since they were last spiffed up, or they just never had proper comments
in the first place.
llvm-svn: 13148
diff --git a/llvm/lib/Target/SparcV9/SparcV9RegClassInfo.h b/llvm/lib/Target/SparcV9/SparcV9RegClassInfo.h
index 1c7b3de..e01c69f 100644
--- a/llvm/lib/Target/SparcV9/SparcV9RegClassInfo.h
+++ b/llvm/lib/Target/SparcV9/SparcV9RegClassInfo.h
@@ -1,4 +1,4 @@
-//===-- SparcV9RegClassInfo.h - Register class def'ns for SparcV9 ---*- C++ -*-===//
+//===-- SparcV9RegClassInfo.h - Register class def'ns for SparcV9 -*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
@@ -7,7 +7,10 @@
//
//===----------------------------------------------------------------------===//
//
-// This file defines the register classes used by the SparcV9 target description.
+// This file defines the register classes used by the SparcV9 target. It
+// implicitly defines (using enums) the "class register numbers" used in
+// the SparcV9 target, which are converted using a formula in the TargetRegInfo
+// class to "unified register numbers".
//
//===----------------------------------------------------------------------===//