X64 Crankshaft: Start using LCallFunction, remove errors in it.

Review URL: http://codereview.chromium.org/6529053

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6826 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x64/lithium-codegen-x64.cc

@@ -2142,12 +2142,12 @@ void LCodeGen::DoCallNamed(LCallNamed* instr) {
 
 
 void LCodeGen::DoCallFunction(LCallFunction* instr) {
-  ASSERT(ToRegister(instr->context()).is(rsi));
   ASSERT(ToRegister(instr->result()).is(rax));
 
   int arity = instr->arity();
   CallFunctionStub stub(arity, NOT_IN_LOOP, RECEIVER_MIGHT_BE_VALUE);
   CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
+  __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
   __ Drop(1);
 }
 

src/x64/lithium-x64.cc

@@ -1219,8 +1219,9 @@ LInstruction* LChunkBuilder::DoCallNew(HCallNew* instr) {
 
 
 LInstruction* LChunkBuilder::DoCallFunction(HCallFunction* instr) {
-  Abort("Unimplemented: %s", "DoCallFunction");
-  return NULL;
+  argument_count_ -= instr->argument_count();
+  LCallFunction* result = new LCallFunction();
+  return MarkAsCall(DefineFixed(result, rax), instr);
 }
 
 

src/x64/lithium-x64.h

@@ -1313,16 +1313,13 @@ class LCallNamed: public LTemplateInstruction<1, 0, 0> {
 };
 
 
-class LCallFunction: public LTemplateInstruction<1, 1, 0> {
+class LCallFunction: public LTemplateInstruction<1, 0, 0> {
  public:
-  explicit LCallFunction(LOperand* context) {
-    inputs_[0] = context;
-  }
+  LCallFunction() {}
 
   DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function")
   DECLARE_HYDROGEN_ACCESSOR(CallFunction)
 
-  LOperand* context() { return inputs_[0]; }
   int arity() const { return hydrogen()->argument_count() - 2; }
 };