A64: Synchronize with r16249.

src/mips/lithium-mips.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 802 matching lines @@
     block->UpdateEnvironment(last_environment);
     ASSERT(pred->argument_count() >= 0);
     argument_count_ = pred->argument_count();
   } else {
     // We are at a state join => process phis.
     HBasicBlock* pred = block->predecessors()->at(0);
     // No need to copy the environment, it cannot be used later.
     HEnvironment* last_environment = pred->last_environment();
     for (int i = 0; i < block->phis()->length(); ++i) {
       HPhi* phi = block->phis()->at(i);
-      if (phi->merged_index() < last_environment->length()) {
+      if (phi->HasMergedIndex()) {
         last_environment->SetValueAt(phi->merged_index(), phi);
       }
     }
     for (int i = 0; i < block->deleted_phis()->length(); ++i) {
       if (block->deleted_phis()->at(i) < last_environment->length()) {
         last_environment->SetValueAt(block->deleted_phis()->at(i),
                                      graph_->GetConstantUndefined());
       }
     }
     block->UpdateEnvironment(last_environment);
@@ skipping 787 matching lines @@
   LOperand* right = UseFixed(instr->right(), a0);
   LCmpT* result = new(zone()) LCmpT(left, right);
   return MarkAsCall(DefineFixed(result, v0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoCompareNumericAndBranch(
     HCompareNumericAndBranch* instr) {
   Representation r = instr->representation();
   if (r.IsSmiOrInteger32()) {
-    ASSERT(instr->left()->representation().IsSmiOrInteger32());
-    ASSERT(instr->left()->representation().Equals(
-        instr->right()->representation()));
+    ASSERT(instr->left()->representation().Equals(r));
+    ASSERT(instr->right()->representation().Equals(r));
     LOperand* left = UseRegisterOrConstantAtStart(instr->left());
     LOperand* right = UseRegisterOrConstantAtStart(instr->right());
     return new(zone()) LCompareNumericAndBranch(left, right);
   } else {
     ASSERT(r.IsDouble());
     ASSERT(instr->left()->representation().IsDouble());
     ASSERT(instr->right()->representation().IsDouble());
     LOperand* left = UseRegisterAtStart(instr->left());
     LOperand* right = UseRegisterAtStart(instr->right());
     return new(zone()) LCompareNumericAndBranch(left, right);
   }
 }
 
 
 LInstruction* LChunkBuilder::DoCompareObjectEqAndBranch(
     HCompareObjectEqAndBranch* instr) {
   LOperand* left = UseRegisterAtStart(instr->left());
   LOperand* right = UseRegisterAtStart(instr->right());
   return new(zone()) LCmpObjectEqAndBranch(left, right);
 }
 
 
+LInstruction* LChunkBuilder::DoCompareHoleAndBranch(
+    HCompareHoleAndBranch* instr) {
+  LOperand* object = UseRegisterAtStart(instr->object());
+  return new(zone()) LCmpHoleAndBranch(object);
+}
+
+
 LInstruction* LChunkBuilder::DoIsObjectAndBranch(HIsObjectAndBranch* instr) {
   ASSERT(instr->value()->representation().IsTagged());
   LOperand* temp = TempRegister();
   return new(zone()) LIsObjectAndBranch(UseRegisterAtStart(instr->value()),
                                         temp);
 }
 
 
 LInstruction* LChunkBuilder::DoIsStringAndBranch(HIsStringAndBranch* instr) {
   ASSERT(instr->value()->representation().IsTagged());
@@ skipping 394 matching lines @@
   return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result;
 }
 
 
 LInstruction* LChunkBuilder::DoLoadNamedField(HLoadNamedField* instr) {
   LOperand* obj = UseRegisterAtStart(instr->object());
   return DefineAsRegister(new(zone()) LLoadNamedField(obj));
 }
 
 
-LInstruction* LChunkBuilder::DoLoadNamedFieldPolymorphic(
-    HLoadNamedFieldPolymorphic* instr) {
-  ASSERT(instr->representation().IsTagged());
-  if (instr->need_generic()) {
-    LOperand* obj = UseFixed(instr->object(), a0);
-    LLoadNamedFieldPolymorphic* result =
-        new(zone()) LLoadNamedFieldPolymorphic(obj);
-    return MarkAsCall(DefineFixed(result, v0), instr);
-  } else {
-    LOperand* obj = UseRegisterAtStart(instr->object());
-    LLoadNamedFieldPolymorphic* result =
-        new(zone()) LLoadNamedFieldPolymorphic(obj);
-    return AssignEnvironment(DefineAsRegister(result));
-  }
-}
-
-
 LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) {
   LOperand* object = UseFixed(instr->object(), a0);
   LInstruction* result = DefineFixed(new(zone()) LLoadNamedGeneric(object), v0);
   return MarkAsCall(result, instr);
 }
 
 
 LInstruction* LChunkBuilder::DoLoadFunctionPrototype(
     HLoadFunctionPrototype* instr) {
   return AssignEnvironment(DefineAsRegister(
@@ skipping 434 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
   LOperand* object = UseRegister(instr->object());
   LOperand* index = UseRegister(instr->index());
   return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index));
 }
 
 
 } }  // namespace v8::internal