Change enum values to be distinct from Linux on Z flags.

Author: redstar

llvm/lib/Target/SystemZ/SystemZInstrInfo.h

@@ -76,13 +76,11 @@ enum {
 
 // z/OS XPLink specific: classifies the types of
 // accesses to the ADA (Associated Data Area).
-// These enums contains values that overlap with the above MO_ enums,
-// but that's fine since the above enums are used with ELF,
-// while these values are used with z/OS.
+// These enum values should not overlap with the above MO_ enums.
 enum {
-  MO_ADA_DATA_SYMBOL_ADDR = 1,
-  MO_ADA_INDIRECT_FUNC_DESC,
-  MO_ADA_DIRECT_FUNC_DESC,
+  MO_ADA_DATA_SYMBOL_ADDR = (1 << 2),
+  MO_ADA_INDIRECT_FUNC_DESC = (2 << 2),
+  MO_ADA_DIRECT_FUNC_DESC = (3 << 2),
 };
 
 // Classifies a branch.