Added vector-based loadic hydrogen stubs. Not yet callable.

src/arm64/code-stubs-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 4582 matching lines @@
   if (function_mode_ == JS_FUNCTION_STUB_MODE) {
     __ Add(x1, x1, 1);
   }
   masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE);
   __ Drop(x1);
   // Return to IC Miss stub, continuation still on stack.
   __ Ret();
 }
 
 
+void LoadICTrampolineStub::Generate(MacroAssembler* masm) {

[Toon Verwaest, 2014/08/26 13:26:57]

Why not make this virtual?

+  EmitLoadTypeFeedbackVector(masm, FullVectorLoadConvention::VectorRegister());
+  if (GetCodeKind() == Code::KEYED_LOAD_IC) {
+    VectorKeyedLoadStub stub(isolate());
+    __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
+  } else {
+    DCHECK(GetCodeKind() == Code::LOAD_IC);
+    VectorLoadStub stub(isolate(), state_);
+    __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
+  }
+}
+
+
 static unsigned int GetProfileEntryHookCallSize(MacroAssembler* masm) {
   // The entry hook is a "BumpSystemStackPointer" instruction (sub),
   // followed by a "Push lr" instruction, followed by a call.
   unsigned int size =
       Assembler::kCallSizeWithRelocation + (2 * kInstructionSize);
   if (CpuFeatures::IsSupported(ALWAYS_ALIGN_CSP)) {
     // If ALWAYS_ALIGN_CSP then there will be an extra bic instruction in
     // "BumpSystemStackPointer".
     size += kInstructionSize;
   }
@@ skipping 810 matching lines @@
                               MemOperand(fp, 6 * kPointerSize),
                               NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64