PPC: Cleanup Atomic64 Ops

R=joransiu@ca.ibm.com

Change-Id: I154b3cac455d44a84f7d6363758841310010d749
Reviewed-on: https://chromium-review.googlesource.com/c/1296683
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Reviewed-by: Joran Siu <joransiu@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#56969}

src/compiler/ppc/instruction-codes-ppc.h

@@ -145,24 +145,44 @@ namespace compiler {
   V(PPC_AtomicCompareExchangeWord64) \
   V(PPC_AtomicAddUint8)              \
   V(PPC_AtomicAddUint16)             \
-  V(PPC_AtomicAddWord32)             \
-  V(PPC_AtomicAddWord64)             \
+  V(PPC_AtomicAddUint32)             \
+  V(PPC_AtomicAddUint64)             \
+  V(PPC_AtomicAddInt8)               \
+  V(PPC_AtomicAddInt16)              \
+  V(PPC_AtomicAddInt32)              \
+  V(PPC_AtomicAddInt64)              \
   V(PPC_AtomicSubUint8)              \
   V(PPC_AtomicSubUint16)             \
-  V(PPC_AtomicSubWord32)             \
-  V(PPC_AtomicSubWord64)             \
+  V(PPC_AtomicSubUint32)             \
+  V(PPC_AtomicSubUint64)             \
+  V(PPC_AtomicSubInt8)               \
+  V(PPC_AtomicSubInt16)              \
+  V(PPC_AtomicSubInt32)              \
+  V(PPC_AtomicSubInt64)              \
   V(PPC_AtomicAndUint8)              \
   V(PPC_AtomicAndUint16)             \
-  V(PPC_AtomicAndWord32)             \
-  V(PPC_AtomicAndWord64)             \
+  V(PPC_AtomicAndUint32)             \
+  V(PPC_AtomicAndUint64)             \
+  V(PPC_AtomicAndInt8)               \
+  V(PPC_AtomicAndInt16)              \
+  V(PPC_AtomicAndInt32)              \
+  V(PPC_AtomicAndInt64)              \
   V(PPC_AtomicOrUint8)               \
   V(PPC_AtomicOrUint16)              \
-  V(PPC_AtomicOrWord32)              \
-  V(PPC_AtomicOrWord64)              \
+  V(PPC_AtomicOrUint32)              \
+  V(PPC_AtomicOrUint64)              \
+  V(PPC_AtomicOrInt8)                \
+  V(PPC_AtomicOrInt16)               \
+  V(PPC_AtomicOrInt32)               \
+  V(PPC_AtomicOrInt64)               \
   V(PPC_AtomicXorUint8)              \
   V(PPC_AtomicXorUint16)             \
-  V(PPC_AtomicXorWord32)             \
-  V(PPC_AtomicXorWord64)
+  V(PPC_AtomicXorUint32)             \
+  V(PPC_AtomicXorUint64)             \
+  V(PPC_AtomicXorInt8)               \
+  V(PPC_AtomicXorInt16)              \
+  V(PPC_AtomicXorInt32)              \
+  V(PPC_AtomicXorInt64)
 
 // Addressing modes represent the "shape" of inputs to an instruction.
 // Many instructions support multiple addressing modes. Addressing modes

src/compiler/ppc/instruction-scheduler-ppc.cc

@@ -155,24 +155,44 @@ int InstructionScheduler::GetTargetInstructionFlags(
     case kPPC_AtomicCompareExchangeWord64:
     case kPPC_AtomicAddUint8:
     case kPPC_AtomicAddUint16:
-    case kPPC_AtomicAddWord32:
-    case kPPC_AtomicAddWord64:
+    case kPPC_AtomicAddUint32:
+    case kPPC_AtomicAddUint64:
+    case kPPC_AtomicAddInt8:
+    case kPPC_AtomicAddInt16:
+    case kPPC_AtomicAddInt32:
+    case kPPC_AtomicAddInt64:
     case kPPC_AtomicSubUint8:
     case kPPC_AtomicSubUint16:
-    case kPPC_AtomicSubWord32:
-    case kPPC_AtomicSubWord64:
+    case kPPC_AtomicSubUint32:
+    case kPPC_AtomicSubUint64:
+    case kPPC_AtomicSubInt8:
+    case kPPC_AtomicSubInt16:
+    case kPPC_AtomicSubInt32:
+    case kPPC_AtomicSubInt64:
     case kPPC_AtomicAndUint8:
     case kPPC_AtomicAndUint16:
-    case kPPC_AtomicAndWord32:
-    case kPPC_AtomicAndWord64:
+    case kPPC_AtomicAndUint32:
+    case kPPC_AtomicAndUint64:
+    case kPPC_AtomicAndInt8:
+    case kPPC_AtomicAndInt16:
+    case kPPC_AtomicAndInt32:
+    case kPPC_AtomicAndInt64:
     case kPPC_AtomicOrUint8:
     case kPPC_AtomicOrUint16:
-    case kPPC_AtomicOrWord32:
-    case kPPC_AtomicOrWord64:
+    case kPPC_AtomicOrUint32:
+    case kPPC_AtomicOrUint64:
+    case kPPC_AtomicOrInt8:
+    case kPPC_AtomicOrInt16:
+    case kPPC_AtomicOrInt32:
+    case kPPC_AtomicOrInt64:
     case kPPC_AtomicXorUint8:
     case kPPC_AtomicXorUint16:
-    case kPPC_AtomicXorWord32:
-    case kPPC_AtomicXorWord64:
+    case kPPC_AtomicXorUint32:
+    case kPPC_AtomicXorUint64:
+    case kPPC_AtomicXorInt8:
+    case kPPC_AtomicXorInt16:
+    case kPPC_AtomicXorInt32:
+    case kPPC_AtomicXorInt64:
       return kHasSideEffect;
 
 #define CASE(Name) case k##Name:

src/ppc/simulator-ppc.cc

@@ -2251,6 +2251,7 @@ void Simulator::ExecuteGeneric(Instruction* instr) {
 #endif
     case SYNC: {
       // todo - simulate sync
+      __sync_synchronize();
       break;
     }
     case ICBI: {