X64 Crankshaft: Reapply reverted operations with DoLoadGlobal disabled.

src/x64/lithium-codegen-x64.cc

 // Copyright 2011 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 170 matching lines @@
 
   // Deferred code is the last part of the instruction sequence. Mark
   // the generated code as done unless we bailed out.
   if (!is_aborted()) status_ = DONE;
   return !is_aborted();
 }
 
 
 bool LCodeGen::GenerateSafepointTable() {
   ASSERT(is_done());
+  // Ensure that patching a deoptimization point won't overwrite the table.
+  for (int i = 0; i < Assembler::kCallInstructionLength; i++) {
+    masm()->int3();
+  }
   safepoints_.Emit(masm(), StackSlotCount());
   return !is_aborted();
 }
 
 
 Register LCodeGen::ToRegister(int index) const {
   return Register::FromAllocationIndex(index);
 }
 
 
@@ skipping 1183 matching lines @@
     __ push(rax);
     __ CallRuntime(Runtime::kTraceExit, 1);
   }
   __ movq(rsp, rbp);
   __ pop(rbp);
   __ ret((ParameterCount() + 1) * kPointerSize);
 }
 
 
 void LCodeGen::DoLoadGlobal(LLoadGlobal* instr) {
-  Abort("Unimplemented: %s", "DoLoadGlobal");
+  Register result = ToRegister(instr->result());
+  if (result.is(rax)) {
+    __ load_rax(instr->hydrogen()->cell().location(),
+                RelocInfo::GLOBAL_PROPERTY_CELL);
+  } else {
+    __ movq(result, instr->hydrogen()->cell(), RelocInfo::GLOBAL_PROPERTY_CELL);
+    __ movq(result, Operand(result, 0));
+  }
+  if (instr->hydrogen()->check_hole_value()) {
+    __ CompareRoot(result, Heap::kTheHoleValueRootIndex);
+    DeoptimizeIf(equal, instr->environment());
+  }
 }
 
 
 void LCodeGen::DoStoreGlobal(LStoreGlobal* instr) {
   Abort("Unimplemented: %s", "DoStoreGlobal");
 }
 
 
 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
   Abort("Unimplemented: %s", "DoLoadContextSlot");
@@ skipping 44 matching lines @@
   Abort("Unimplemented: %s", "DoArgumentsLength");
 }
 
 
 void LCodeGen::DoApplyArguments(LApplyArguments* instr) {
   Abort("Unimplemented: %s", "DoApplyArguments");
 }
 
 
 void LCodeGen::DoPushArgument(LPushArgument* instr) {
-  Abort("Unimplemented: %s", "DoPushArgument");
+  LOperand* argument = instr->InputAt(0);
+  if (argument->IsConstantOperand()) {
+    LConstantOperand* const_op = LConstantOperand::cast(argument);
+    Handle<Object> literal = chunk_->LookupLiteral(const_op);
+    Representation r = chunk_->LookupLiteralRepresentation(const_op);
+    if (r.IsInteger32()) {
+      ASSERT(literal->IsNumber());
+      __ push(Immediate(static_cast<int32_t>(literal->Number())));
+    } else if (r.IsDouble()) {
+      Abort("unsupported double immediate");
+    } else {
+      ASSERT(r.IsTagged());
+      __ Push(literal);
+    }
+  } else if (argument->IsRegister()) {
+    __ push(ToRegister(argument));
+  } else {
+    ASSERT(!argument->IsDoubleRegister());
+    __ push(ToOperand(argument));
+  }
 }
 
 
 void LCodeGen::DoGlobalObject(LGlobalObject* instr) {
   Register result = ToRegister(instr->result());
   __ movq(result, GlobalObjectOperand());
 }
 
 
 void LCodeGen::DoGlobalReceiver(LGlobalReceiver* instr) {
@@ skipping 87 matching lines @@
   Abort("Unimplemented: %s", "DoCallGlobal");
 }
 
 
 void LCodeGen::DoCallKnownGlobal(LCallKnownGlobal* instr) {
   Abort("Unimplemented: %s", "DoCallKnownGlobal");
 }
 
 
 void LCodeGen::DoCallNew(LCallNew* instr) {
-  Abort("Unimplemented: %s", "DoCallNew");
+  ASSERT(ToRegister(instr->InputAt(0)).is(rdi));
+  ASSERT(ToRegister(instr->result()).is(rax));
+
+  Handle<Code> builtin(Builtins::builtin(Builtins::JSConstructCall));
+  __ Set(rax, instr->arity());
+  CallCode(builtin, RelocInfo::CONSTRUCT_CALL, instr);
 }
 
 
 void LCodeGen::DoCallRuntime(LCallRuntime* instr) {
   Abort("Unimplemented: %s", "DoCallRuntime");
 }
 
 
 void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
   Abort("Unimplemented: %s", "DoStoreNamedField");
@@ skipping 139 matching lines @@
   Abort("Unimplemented: %s", "DoNumberUntagD");
 }
 
 
 void LCodeGen::DoDoubleToI(LDoubleToI* instr) {
   Abort("Unimplemented: %s", "DoDoubleToI");
 }
 
 
 void LCodeGen::DoCheckSmi(LCheckSmi* instr) {
-  Abort("Unimplemented: %s", "DoCheckSmi");
+  LOperand* input = instr->InputAt(0);
+  ASSERT(input->IsRegister());
+  Condition cc = masm()->CheckSmi(ToRegister(input));
+  if (instr->condition() != equal) {
+    cc = NegateCondition(cc);
+  }
+  DeoptimizeIf(cc, instr->environment());
 }
 
 
 void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
   Abort("Unimplemented: %s", "DoCheckInstanceType");
 }
 
 
 void LCodeGen::DoCheckFunction(LCheckFunction* instr) {
   Abort("Unimplemented: %s", "DoCheckFunction");
 }
 
 
 void LCodeGen::DoCheckMap(LCheckMap* instr) {
-  Abort("Unimplemented: %s", "DoCheckMap");
+  LOperand* input = instr->InputAt(0);
+  ASSERT(input->IsRegister());
+  Register reg = ToRegister(input);
+  __ Cmp(FieldOperand(reg, HeapObject::kMapOffset),
+         instr->hydrogen()->map());
+  DeoptimizeIf(not_equal, instr->environment());
 }
 
 
 void LCodeGen::LoadHeapObject(Register result, Handle<HeapObject> object) {
   Abort("Unimplemented: %s", "LoadHeapObject");
 }
 
 
 void LCodeGen::DoCheckPrototypeMaps(LCheckPrototypeMaps* instr) {
   Abort("Unimplemented: %s", "DoCheckPrototypeMaps");
@@ skipping 141 matching lines @@
 
 void LCodeGen::DoOsrEntry(LOsrEntry* instr) {
   Abort("Unimplemented: %s", "DoOsrEntry");
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64