A64: Synchronize with r18444.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index 9ceaa2696c4de629c8b14c0d2fac6bc5032dd8a2..63888638680226214eb6cf8554b333c343c94914 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -259,7 +259,7 @@ void LTypeofIsAndBranch::PrintDataTo(StringStream* stream) {
   stream->Add("if typeof ");
   value()->PrintTo(stream);
   stream->Add(" == \"%s\" then B%d else B%d",
-              *hydrogen()->type_literal()->ToCString(),
+              hydrogen()->type_literal()->ToCString().get(),
               true_block_id(), false_block_id());
 }
 
@@ -312,13 +312,13 @@ void LCallKeyed::PrintDataTo(StringStream* stream) {
 
 void LCallNamed::PrintDataTo(StringStream* stream) {
   SmartArrayPointer<char> name_string = name()->ToCString();
-  stream->Add("%s #%d / ", *name_string, arity());
+  stream->Add("%s #%d / ", name_string.get(), arity());
 }
 
 
 void LCallGlobal::PrintDataTo(StringStream* stream) {
   SmartArrayPointer<char> name_string = name()->ToCString();
-  stream->Add("%s #%d / ", *name_string, arity());
+  stream->Add("%s #%d / ", name_string.get(), arity());
 }
 
 
@@ -384,7 +384,7 @@ void LStoreNamedField::PrintDataTo(StringStream* stream) {
 void LStoreNamedGeneric::PrintDataTo(StringStream* stream) {
   object()->PrintTo(stream);
   stream->Add(".");
-  stream->Add(*String::cast(*name())->ToCString());
+  stream->Add(String::cast(*name())->ToCString().get());
   stream->Add(" <- ");
   value()->PrintTo(stream);
 }
@@ -508,6 +508,13 @@ LOperand* LChunkBuilder::UseTempRegister(HValue* value) {
 }
 
 
+LOperand* LChunkBuilder::UseTempRegisterOrConstant(HValue* value) {
+  return value->IsConstant()
+      ? chunk_->DefineConstantOperand(HConstant::cast(value))
+      : UseTempRegister(value);
+}
+
+
 LOperand* LChunkBuilder::Use(HValue* value) {
   return Use(value, new(zone()) LUnallocated(LUnallocated::NONE));
 }
@@ -1223,8 +1230,7 @@ LInstruction* LChunkBuilder::DoMathLog(HUnaryMathOperation* instr) {
   ASSERT(instr->representation().IsDouble());
   ASSERT(instr->value()->representation().IsDouble());
   LOperand* input = UseRegisterAtStart(instr->value());
-  LMathLog* result = new(zone()) LMathLog(input);
-  return DefineSameAsFirst(result);
+  return MarkAsCall(DefineSameAsFirst(new(zone()) LMathLog(input)), instr);
 }
 
 
@@ -2178,17 +2184,20 @@ LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) {
     LOperand* key = NULL;
     LOperand* val = NULL;
 
-    if (instr->value()->representation().IsDouble()) {
+    Representation value_representation = instr->value()->representation();
+    if (value_representation.IsDouble()) {
       object = UseRegisterAtStart(instr->elements());
       val = UseTempRegister(instr->value());
       key = UseRegisterOrConstantAtStart(instr->key());
     } else {
-      ASSERT(instr->value()->representation().IsSmiOrTagged());
-      object = UseTempRegister(instr->elements());
+      ASSERT(value_representation.IsSmiOrTagged() ||
+             value_representation.IsInteger32());
       if (needs_write_barrier) {
+        object = UseTempRegister(instr->elements());
         val = UseTempRegister(instr->value());
         key = UseTempRegister(instr->key());
       } else {
+        object = UseRegisterAtStart(instr->elements());
         val = UseRegisterOrConstantAtStart(instr->value());
         key = UseRegisterOrConstantAtStart(instr->key());
       }
@@ -2297,7 +2306,7 @@ LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) {
   } else if (can_be_constant) {
     val = UseRegisterOrConstant(instr->value());
   } else if (FLAG_track_fields && instr->field_representation().IsSmi()) {
-    val = UseTempRegister(instr->value());
+    val = UseRegister(instr->value());
   } else if (FLAG_track_double_fields &&
              instr->field_representation().IsDouble()) {
     val = UseRegisterAtStart(instr->value());