Make macro-assembler-x64 deal with handles to objects in new space by default.

src/x64/lithium-codegen-x64.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 1538 matching lines @@
 }
 
 
 void LCodeGen::DoConstantE(LConstantE* instr) {
   __ LoadAddress(ToRegister(instr->result()), instr->value());
 }
 
 
 void LCodeGen::DoConstantT(LConstantT* instr) {
   Handle<Object> value = instr->value(isolate());
-  AllowDeferredHandleDereference smi_check;
-  __ LoadObject(ToRegister(instr->result()), value);
+  __ Move(ToRegister(instr->result()), value);
 }
 
 
 void LCodeGen::DoMapEnumLength(LMapEnumLength* instr) {
   Register result = ToRegister(instr->result());
   Register map = ToRegister(instr->value());
   __ EnumLength(result, map);
 }
 
 
@@ skipping 551 matching lines @@
     EmitBranch(instr, cc);
   }
 }
 
 
 void LCodeGen::DoCmpObjectEqAndBranch(LCmpObjectEqAndBranch* instr) {
   Register left = ToRegister(instr->left());
 
   if (instr->right()->IsConstantOperand()) {
     Handle<Object> right = ToHandle(LConstantOperand::cast(instr->right()));
-    __ CmpObject(left, right);
+    __ Cmp(left, right);
   } else {
     Register right = ToRegister(instr->right());
     __ cmpq(left, right);
   }
   EmitBranch(instr, equal);
 }
 
 
 void LCodeGen::DoCmpHoleAndBranch(LCmpHoleAndBranch* instr) {
   if (instr->hydrogen()->representation().IsTagged()) {
@@ skipping 347 matching lines @@
 
 void LCodeGen::DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
                                                Label* map_check) {
   {
     PushSafepointRegistersScope scope(this);
     InstanceofStub::Flags flags = static_cast<InstanceofStub::Flags>(
         InstanceofStub::kNoFlags | InstanceofStub::kCallSiteInlineCheck);
     InstanceofStub stub(flags);
 
     __ push(ToRegister(instr->value()));
-    __ PushHeapObject(instr->function());
+    __ Push(instr->function());
 
     static const int kAdditionalDelta = 10;
     int delta =
         masm_->SizeOfCodeGeneratedSince(map_check) + kAdditionalDelta;
     ASSERT(delta >= 0);
     __ push_imm32(delta);
 
     // We are pushing three values on the stack but recording a
     // safepoint with two arguments because stub is going to
     // remove the third argument from the stack before jumping
@@ skipping 690 matching lines @@
 void LCodeGen::DoOuterContext(LOuterContext* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());
   __ movq(result,
           Operand(context, Context::SlotOffset(Context::PREVIOUS_INDEX)));
 }
 
 
 void LCodeGen::DoDeclareGlobals(LDeclareGlobals* instr) {
   __ push(rsi);  // The context is the first argument.
-  __ PushHeapObject(instr->hydrogen()->pairs());
+  __ Push(instr->hydrogen()->pairs());
   __ Push(Smi::FromInt(instr->hydrogen()->flags()));
   CallRuntime(Runtime::kDeclareGlobals, 3, instr);
 }
 
 
 void LCodeGen::DoGlobalObject(LGlobalObject* instr) {
   Register result = ToRegister(instr->result());
   __ movq(result, GlobalObjectOperand());
 }
 
@@ skipping 13 matching lines @@
                                  RDIState rdi_state) {
   bool dont_adapt_arguments =
       formal_parameter_count == SharedFunctionInfo::kDontAdaptArgumentsSentinel;
   bool can_invoke_directly =
       dont_adapt_arguments || formal_parameter_count == arity;
 
   LPointerMap* pointers = instr->pointer_map();
 
   if (can_invoke_directly) {
     if (rdi_state == RDI_UNINITIALIZED) {
-      __ LoadHeapObject(rdi, function);
+      __ Move(rdi, function);
     }
 
     // Change context.
     __ movq(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
 
     // Set rax to arguments count if adaption is not needed. Assumes that rax
     // is available to write to at this point.
     if (dont_adapt_arguments) {
       __ Set(rax, arity);
     }
@@ skipping 1575 matching lines @@
       __ andb(kScratchRegister, Immediate(mask));
       __ cmpb(kScratchRegister, Immediate(tag));
       DeoptimizeIf(not_equal, instr->environment());
     }
   }
 }
 
 
 void LCodeGen::DoCheckValue(LCheckValue* instr) {
   Register reg = ToRegister(instr->value());
-  Handle<HeapObject> object = instr->hydrogen()->object().handle();
-  __ CmpHeapObject(reg, object);
+  __ Cmp(reg, instr->hydrogen()->object().handle());
   DeoptimizeIf(not_equal, instr->environment());
 }
 
 
 void LCodeGen::DoDeferredInstanceMigration(LCheckMaps* instr, Register object) {
   {
     PushSafepointRegistersScope scope(this);
     __ push(object);
     CallRuntimeFromDeferred(Runtime::kMigrateInstance, 1, instr);
     __ testq(rax, Immediate(kSmiTagMask));
@@ skipping 206 matching lines @@
 
 
 void LCodeGen::DoRegExpLiteral(LRegExpLiteral* instr) {
   Label materialized;
   // Registers will be used as follows:
   // rcx = literals array.
   // rbx = regexp literal.
   // rax = regexp literal clone.
   int literal_offset =
       FixedArray::OffsetOfElementAt(instr->hydrogen()->literal_index());
-  __ LoadHeapObject(rcx, instr->hydrogen()->literals());
+  __ Move(rcx, instr->hydrogen()->literals());
   __ movq(rbx, FieldOperand(rcx, literal_offset));
   __ CompareRoot(rbx, Heap::kUndefinedValueRootIndex);
   __ j(not_equal, &materialized, Label::kNear);
 
   // Create regexp literal using runtime function
   // Result will be in rax.
   __ push(rcx);
   __ Push(Smi::FromInt(instr->hydrogen()->literal_index()));
   __ Push(instr->hydrogen()->pattern());
   __ Push(instr->hydrogen()->flags());
@@ skipping 50 matching lines @@
 void LCodeGen::DoTypeof(LTypeof* instr) {
   LOperand* input = instr->value();
   EmitPushTaggedOperand(input);
   CallRuntime(Runtime::kTypeof, 1, instr);
 }
 
 
 void LCodeGen::EmitPushTaggedOperand(LOperand* operand) {
   ASSERT(!operand->IsDoubleRegister());
   if (operand->IsConstantOperand()) {
-    Handle<Object> object = ToHandle(LConstantOperand::cast(operand));
-    AllowDeferredHandleDereference smi_check;
-    if (object->IsSmi()) {
-      __ Push(Handle<Smi>::cast(object));
-    } else {
-      __ PushHeapObject(Handle<HeapObject>::cast(object));
-    }
+    __ Push(ToHandle(LConstantOperand::cast(operand)));
   } else if (operand->IsRegister()) {
     __ push(ToRegister(operand));
   } else {
     __ push(ToOperand(operand));
   }
 }
 
 
 void LCodeGen::DoTypeofIsAndBranch(LTypeofIsAndBranch* instr) {
   Register input = ToRegister(instr->value());
@@ skipping 313 matching lines @@
                                FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64