A64: Synchronize with r17807.

src/hydrogen-instructions.cc

 // Copyright 2012 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 505 matching lines @@
       !(block()->IsReachable() ||
         IsBlockEntry() ||
         IsControlInstruction() ||
         IsSimulate() ||
         IsEnterInlined() ||
         IsLeaveInlined());
 }
 
 
 bool HValue::IsInteger32Constant() {
-  return IsConstant() && HConstant::cast(this)->HasInteger32Value();
+  HValue* value_to_check = IsForceRepresentation()
+      ? HForceRepresentation::cast(this)->value()
+      : this;
+  return value_to_check->IsConstant() &&
+      HConstant::cast(value_to_check)->HasInteger32Value();
 }
 
 
 int32_t HValue::GetInteger32Constant() {
-  return HConstant::cast(this)->Integer32Value();
+  HValue* constant_value = IsForceRepresentation()
+      ? HForceRepresentation::cast(this)->value()
+      : this;
+  return HConstant::cast(constant_value)->Integer32Value();
 }
 
 
 bool HValue::EqualsInteger32Constant(int32_t value) {
   return IsInteger32Constant() && GetInteger32Constant() == value;
 }
 
 
 void HValue::SetOperandAt(int index, HValue* value) {
   RegisterUse(index, value);
@@ skipping 2397 matching lines @@
   return false;
 }
 
 
 void HCompareHoleAndBranch::InferRepresentation(
     HInferRepresentationPhase* h_infer) {
   ChangeRepresentation(value()->representation());
 }
 
 
+bool HCompareMinusZeroAndBranch::KnownSuccessorBlock(HBasicBlock** block) {
+  if (value()->representation().IsSmiOrInteger32()) {
+    // A Smi or Integer32 cannot contain minus zero.
+    *block = SecondSuccessor();
+    return true;
+  }
+  *block = NULL;
+  return false;
+}
+
+
+void HCompareMinusZeroAndBranch::InferRepresentation(
+    HInferRepresentationPhase* h_infer) {
+  ChangeRepresentation(value()->representation());
+}
+
+
+
 void HGoto::PrintDataTo(StringStream* stream) {
   stream->Add("B%d", SuccessorAt(0)->block_id());
 }
 
 
 void HCompareNumericAndBranch::InferRepresentation(
     HInferRepresentationPhase* h_infer) {
   Representation left_rep = left()->representation();
   Representation right_rep = right()->representation();
   Representation observed_left = observed_input_representation(0);
@@ skipping 415 matching lines @@
   if (MustAllocateDoubleAligned()) {
     if (!dominator_allocate->MustAllocateDoubleAligned()) {
       dominator_allocate->MakeDoubleAligned();
     }
     if ((dominator_size_constant & kDoubleAlignmentMask) != 0) {
       dominator_size_constant += kDoubleSize / 2;
       new_dominator_size += kDoubleSize / 2;
     }
   }
 
-  if (new_dominator_size > Page::kMaxNonCodeHeapObjectSize) {
+  if (new_dominator_size > isolate()->heap()->MaxRegularSpaceAllocationSize()) {
     if (FLAG_trace_allocation_folding) {
       PrintF("#%d (%s) cannot fold into #%d (%s) due to size: %d\n",
           id(), Mnemonic(), dominator_allocate->id(),
           dominator_allocate->Mnemonic(), new_dominator_size);
     }
     return;
   }
 
   HInstruction* new_dominator_size_constant = HConstant::CreateAndInsertBefore(
       zone,
@@ skipping 933 matching lines @@
       break;
     case kExternalMemory:
       stream->Add("[external-memory]");
       break;
   }
 
   stream->Add("@%d", offset());
 }
 
 } }  // namespace v8::internal