[ARMv8] Implement the new DMB/DSB operands.

This removes the custom ISD Node: MEMBARRIER and replaces it
with an intrinsic.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190055 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 9 deletions

diff --git a/lib/Target/ARM/MCTargetDesc/ARMBaseInfo.h b/lib/Target/ARM/MCTargetDesc/ARMBaseInfo.h
index ff9917d793..af939fc191 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMBaseInfo.h
+++ b/lib/Target/ARM/MCTargetDesc/ARMBaseInfo.h
@@ -121,41 +121,41 @@ namespace ARM_MB {
   // the option field for memory barrier operations.
   enum MemBOpt {
     RESERVED_0 = 0,
-    RESERVED_1 = 1,
+    OSHLD = 1,
     OSHST = 2,
     OSH   = 3,
     RESERVED_4 = 4,
-    RESERVED_5 = 5,
+    NSHLD = 5,
     NSHST = 6,
     NSH   = 7,
     RESERVED_8 = 8,
-    RESERVED_9 = 9,
+    ISHLD = 9,
     ISHST = 10,
     ISH   = 11,
     RESERVED_12 = 12,
-    RESERVED_13 = 13,
+    LD = 13,
     ST    = 14,
     SY    = 15
   };
 
-  inline static const char *MemBOptToString(unsigned val) {
+  inline static const char *MemBOptToString(unsigned val, bool HasV8) {
     switch (val) {
     default: llvm_unreachable("Unknown memory operation");
     case SY:    return "sy";
     case ST:    return "st";
-    case RESERVED_13: return "#0xd";
+    case LD: return HasV8 ? "ld" : "#0xd";
     case RESERVED_12: return "#0xc";
     case ISH:   return "ish";
     case ISHST: return "ishst";
-    case RESERVED_9: return "#0x9";
+    case ISHLD: return HasV8 ?  "ishld" : "#0x9";
     case RESERVED_8: return "#0x8";
     case NSH:   return "nsh";
     case NSHST: return "nshst";
-    case RESERVED_5: return "#0x5";
+    case NSHLD: return HasV8 ? "nshld" : "#0x5";
     case RESERVED_4: return "#0x4";
     case OSH:   return "osh";
     case OSHST: return "oshst";
-    case RESERVED_1: return "#0x1";
+    case OSHLD: return HasV8 ? "oshld" : "#0x1";
     case RESERVED_0: return "#0x0";
     }
   }