//===----------------------------------------------------------------------===//
//
// This file implements the RegisterClassInfo class which provides dynamic
-// information about target register classes. Callee saved and preserved
-// registers depends on calling conventions and other dynamic information, so
-// some things cannot be determined statically.
+// information about target register classes. Callee-saved vs. caller-saved and
+// reserved registers depend on calling conventions and other dynamic
+// information, so some things cannot be determined statically.
//
//===----------------------------------------------------------------------===//