Comment to be explicit that the enumeration values for CondCodes matter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57295 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARM.h b/lib/Target/ARM/ARM.h
index 8050a3aa5f48c0870b745958f3f2d4a9d688db6a..4b26b2409ce3ff706b6ad818d0a9181f3d8c48d4 100644 (file)
--- a/lib/Target/ARM/ARM.h
+++ b/lib/Target/ARM/ARM.h
@@ -27,6 +27,8 @@ class raw_ostream;
 
 // Enums corresponding to ARM condition codes
 namespace ARMCC {
+  // The CondCodes constants map directly to the 4-bit encoding of the 
+  // condition field for predicated instructions. 
   enum CondCodes {
     EQ,
     NE,