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
11 namespace v8 {
12 namespace internal {
13
14 #define __ ACCESS_MASM(masm)
15
16
GenerateTailCall(MacroAssembler * masm,Handle<Code> code)17 void 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
load_calling_convention()30 Register* 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
store_calling_convention()39 Register* 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