X64 Crankshaft: Implement LCallFunction.

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 2059 matching lines @@
 
   int arity = instr->arity();
   Handle<Code> ic = StubCache::ComputeCallInitialize(arity, NOT_IN_LOOP);
   __ Move(rcx, instr->name());
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
   __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
 }
 
 
 void LCodeGen::DoCallFunction(LCallFunction* instr) {
-  Abort("Unimplemented: %s", "DoCallFunction");
+  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);
+  __ Drop(1);
 }
 
 
 void LCodeGen::DoCallGlobal(LCallGlobal* instr) {
   ASSERT(ToRegister(instr->result()).is(rax));
   int arity = instr->arity();
   Handle<Code> ic = StubCache::ComputeCallInitialize(arity, NOT_IN_LOOP);
   __ Move(rcx, instr->name());
   CallCode(ic, RelocInfo::CODE_TARGET_CONTEXT, instr);
   __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
@@ skipping 681 matching lines @@
   RegisterEnvironmentForDeoptimization(environment);
   ASSERT(osr_pc_offset_ == -1);
   osr_pc_offset_ = masm()->pc_offset();
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64