Implement DoGlobalReceiver and DoCheckFunction lithium instructions on x64

Review URL: http://codereview.chromium.org/6277024

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6517 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x64/lithium-codegen-x64.cc

@@ -1517,7 +1517,9 @@ void LCodeGen::DoGlobalObject(LGlobalObject* instr) {
 
 
 void LCodeGen::DoGlobalReceiver(LGlobalReceiver* instr) {
-  Abort("Unimplemented: %s", "DoGlobalReceiver");
+  Register result = ToRegister(instr->result());
+  __ movq(result, Operand(rsi, Context::SlotOffset(Context::GLOBAL_INDEX)));
+  __ movq(result, FieldOperand(result, GlobalObject::kGlobalReceiverOffset));
 }
 
 
@@ -1820,7 +1822,10 @@ void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
 
 
 void LCodeGen::DoCheckFunction(LCheckFunction* instr) {
-  Abort("Unimplemented: %s", "DoCheckFunction");
+  ASSERT(instr->InputAt(0)->IsRegister());
+  Register reg = ToRegister(instr->InputAt(0));
+  __ Cmp(reg, instr->hydrogen()->target());
+  DeoptimizeIf(not_equal, instr->environment());
 }
 
 

src/x64/lithium-x64.cc

@@ -1055,8 +1055,7 @@ LInstruction* LChunkBuilder::DoGlobalObject(HGlobalObject* instr) {
 
 
 LInstruction* LChunkBuilder::DoGlobalReceiver(HGlobalReceiver* instr) {
-  Abort("Unimplemented: %s", "DoGlobalReceiver");
-  return NULL;
+  return DefineAsRegister(new LGlobalReceiver);
 }
 
 
@@ -1422,8 +1421,8 @@ LInstruction* LChunkBuilder::DoCheckSmi(HCheckSmi* instr) {
 
 
 LInstruction* LChunkBuilder::DoCheckFunction(HCheckFunction* instr) {
-  Abort("Unimplemented: %s", "DoCheckFunction");
-  return NULL;
+  LOperand* value = UseRegisterAtStart(instr->value());
+  return AssignEnvironment(new LCheckFunction(value));
 }