1// Copyright 2014 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "src/v8.h"
6
7#if V8_TARGET_ARCH_ARM64
8
9#include "src/ic/access-compiler.h"
10
11namespace v8 {
12namespace internal {
13
14#define __ ACCESS_MASM(masm)
15
16
17void PropertyAccessCompiler::GenerateTailCall(MacroAssembler* masm,
18                                              Handle<Code> code) {
19  __ Jump(code, RelocInfo::CODE_TARGET);
20}
21
22
23// TODO(all): The so-called scratch registers are significant in some cases. For
24// example, PropertyAccessCompiler::keyed_store_calling_convention()[3] (x3) is
25// actually
26// used for KeyedStoreCompiler::transition_map(). We should verify which
27// registers are actually scratch registers, and which are important. For now,
28// we use the same assignments as ARM to remain on the safe side.
29
30Register* PropertyAccessCompiler::load_calling_convention() {
31  // receiver, name, scratch1, scratch2, scratch3, scratch4.
32  Register receiver = LoadDescriptor::ReceiverRegister();
33  Register name = LoadDescriptor::NameRegister();
34  static Register registers[] = {receiver, name, x3, x0, x4, x5};
35  return registers;
36}
37
38
39Register* PropertyAccessCompiler::store_calling_convention() {
40  // receiver, value, scratch1, scratch2, scratch3.
41  Register receiver = StoreDescriptor::ReceiverRegister();
42  Register name = StoreDescriptor::NameRegister();
43  DCHECK(x3.is(ElementTransitionAndStoreDescriptor::MapRegister()));
44  static Register registers[] = {receiver, name, x3, x4, x5};
45  return registers;
46}
47
48
49#undef __
50}
51}  // namespace v8::internal
52
53#endif  // V8_TARGET_ARCH_ARM64
54