A64: Synchronize with r16024.

src/a64/lithium-a64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 266 matching lines @@
   for (int i = 0; i < 4; i++) {
     stream->Add("(");
     if (parallel_moves_[i] != NULL) {
       parallel_moves_[i]->PrintDataTo(stream);
     }
     stream->Add(") ");
   }
 }
 
 
-ExternalReference LLinkObjectInList::GetReference(Isolate* isolate) {
-  switch (hydrogen()->known_list()) {
-    case HLinkObjectInList::ALLOCATION_SITE_LIST:
-      return ExternalReference::allocation_sites_list_address(isolate);
-  }
-
-  UNREACHABLE();
-  // Return a dummy value
-  return ExternalReference::isolate_address(isolate);
-}
-
-
-void LLinkObjectInList::PrintDataTo(StringStream* stream) {
-  object()->PrintTo(stream);
-  stream->Add(" offset %d", hydrogen()->store_field().offset());
-}
-
-
 void LLoadContextSlot::PrintDataTo(StringStream* stream) {
   context()->PrintTo(stream);
   stream->Add("[%d]", slot_index());
 }
 
 
 void LStoreContextSlot::PrintDataTo(StringStream* stream) {
   context()->PrintTo(stream);
   stream->Add("[%d] <- ", slot_index());
   value()->PrintTo(stream);
@@ skipping 74 matching lines @@
     case Token::SHL: return "shl-t";
     case Token::SAR: return "sar-t";
     case Token::SHR: return "shr-t";
     default:
       UNREACHABLE();
       return NULL;
   }
 }
 
 
-void LChunkBuilder::Abort(const char* reason) {
+void LChunkBuilder::Abort(BailoutReason reason) {
   info()->set_bailout_reason(reason);
   status_ = ABORTED;
 }
 
 
 LUnallocated* LChunkBuilder::ToUnallocated(Register reg) {
   return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER,
                                   Register::ToAllocationIndex(reg));
 }
 
@@ skipping 150 matching lines @@
   instr->set_pointer_map(new(zone()) LPointerMap(position_, zone()));
   return instr;
 }
 
 
 LUnallocated* LChunkBuilder::TempRegister() {
   LUnallocated* operand =
       new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER);
   int vreg = allocator_->GetVirtualRegister();
   if (!allocator_->AllocationOk()) {
-    Abort("Out of virtual registers while trying to allocate temp register.");
+    Abort(kOutOfVirtualRegistersWhileTryingToAllocateTempRegister);
     vreg = 0;
   }
   operand->set_virtual_register(vreg);
   return operand;
 }
 
 
 int LPlatformChunk::GetNextSpillIndex() {
   return spill_slot_count_++;
 }
@@ skipping 262 matching lines @@
   LOperand* left_operand = UseFixed(left, x1);
   LOperand* right_operand = UseFixed(right, x0);
   LArithmeticT* result =
       new(zone()) LArithmeticT(op, left_operand, right_operand);
   return MarkAsCall(DefineFixed(result, x0), instr);
 }
 
 
 #define UNIMPLEMENTED_INSTRUCTION()                                     \
   do {                                                                  \
-    static char msg[128];                                               \
-    snprintf(msg, sizeof(msg),                                          \
-             "unsupported hydrogen instruction (%s)", __func__);        \
-    info_->set_bailout_reason(msg);                                     \
+    info_->set_bailout_reason(kUnimplementedHydrogenInstruction);       \
     status_ = ABORTED;                                                  \
     return NULL;                                                        \
   } while (0)
 
 
 LInstruction* LChunkBuilder::DoBoundsCheckBaseIndexInformation(
     HBoundsCheckBaseIndexInformation* instr) {
   UNREACHABLE();
   return NULL;
 }
@@ skipping 513 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoConstant(HConstant* instr) {
   Representation r = instr->representation();
   if (r.IsSmi()) {
     return DefineAsRegister(new(zone()) LConstantS);
   } else if (r.IsInteger32()) {
     return DefineAsRegister(new(zone()) LConstantI);
   } else if (r.IsDouble()) {
     return DefineAsRegister(new(zone()) LConstantD);
+  } else if (r.IsExternal()) {
+    return DefineAsRegister(new(zone()) LConstantE);
   } else if (r.IsTagged()) {
     return DefineAsRegister(new(zone()) LConstantT);
   } else {
     UNREACHABLE();
     return NULL;
   }
 }
 
 
 LInstruction* LChunkBuilder::DoContext(HContext* instr) {
@@ skipping 243 matching lines @@
   }
 
   HEnvironment* outer =
       current_block_->last_environment()->DiscardInlined(false);
   current_block_->UpdateEnvironment(outer);
 
   return pop;
 }
 
 
-LInstruction* LChunkBuilder::DoLinkObjectInList(HLinkObjectInList* instr) {
-  LOperand* object = UseRegister(instr->value());
-  LOperand* temp = TempRegister();
-  LLinkObjectInList* result = new(zone()) LLinkObjectInList(object, temp);
-  return result;
-}
-
-
 LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) {
   LOperand* context = UseRegisterAtStart(instr->value());
   LInstruction* result =
       DefineAsRegister(new(zone()) LLoadContextSlot(context));
   return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result;
 }
 
 
 LInstruction* LChunkBuilder::DoLoadExternalArrayPointer(
     HLoadExternalArrayPointer* instr) {
@@ skipping 621 matching lines @@
   ASSERT(instr->left()->representation().IsTagged());
   ASSERT(instr->right()->representation().IsTagged());
   LOperand* left = UseFixed(instr->left(), x1);
   LOperand* right = UseFixed(instr->right(), x0);
   LStringCompareAndBranch* result =
       new(zone()) LStringCompareAndBranch(left, right);
   return MarkAsCall(result, instr);
 }
 
 
-LInstruction* LChunkBuilder::DoStringLength(HStringLength* instr) {
-  // TODO(all): This instruction doesn't exist anymore on bleeding_edge.
-  LOperand* string = UseRegisterAtStart(instr->value());
-  return DefineAsRegister(new(zone()) LStringLength(string));
-}
-
-
 LInstruction* LChunkBuilder::DoSub(HSub* instr) {
   // TODO(jbramley): Add smi support.
   if (instr->representation().IsInteger32()) {
     ASSERT(instr->left()->representation().IsInteger32());
     ASSERT(instr->right()->representation().IsInteger32());
 
     LOperand *left;
     if (instr->left()->IsConstant() &&
        (HConstant::cast(instr->left())->Integer32Value() == 0)) {
       left = UseConstant(instr->left());
@@ skipping 85 matching lines @@
 
   return new(zone()) LTypeofIsAndBranch(
       UseRegister(instr->value()), temp1, temp2);
 }
 
 
 LInstruction* LChunkBuilder::DoUnaryMathOperation(HUnaryMathOperation* instr) {
   switch (instr->op()) {
     case kMathAbs: {
       Representation r = instr->representation();
+      // TODO(jbramley): Support smis in LMathAbs and use that.
       if (r.IsTagged() || r.IsSmi()) {
         // The tagged case might need to allocate a HeapNumber for the result,
         // so it is handled by a separate LInstruction.
         LOperand* input = UseRegister(instr->value());
         LOperand* temp1 = TempRegister();
         LOperand* temp2 = TempRegister();
         LOperand* temp3 = TempRegister();
         LMathAbsTagged* result =
             new(zone()) LMathAbsTagged(input, temp1, temp2, temp3);
         return AssignEnvironment(AssignPointerMap(DefineAsRegister(result)));
@@ skipping 87 matching lines @@
     default:
       UNREACHABLE();
       return NULL;
   }
 }
 
 
 LInstruction* LChunkBuilder::DoUnknownOSRValue(HUnknownOSRValue* instr) {
   int spill_index = chunk_->GetNextSpillIndex();
   if (spill_index > LUnallocated::kMaxFixedSlotIndex) {
-    Abort("Too many spill slots needed for OSR");
+    Abort(kTooManySpillSlotsNeededForOSR);
     spill_index = 0;
   }
   return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index);
 }
 
 
 LInstruction* LChunkBuilder::DoUseConst(HUseConst* instr) {
   return NULL;
 }
 
@@ skipping 38 matching lines @@
 LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) {
   LOperand* receiver = UseRegister(instr->receiver());
   LOperand* function = UseRegisterAtStart(instr->function());
   LOperand* temp = TempRegister();
   LWrapReceiver* result = new(zone()) LWrapReceiver(receiver, function, temp);
   return AssignEnvironment(DefineAsRegister(result));
 }
 
 
 } }  // namespace v8::internal