%PDF-
%PDF-
Mini Shell
Mini Shell
// Copyright 2022 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.
#ifndef V8_CODEGEN_S390_REGLIST_S390_H_
#define V8_CODEGEN_S390_REGLIST_S390_H_
#include "src/codegen/register-arch.h"
#include "src/codegen/reglist-base.h"
namespace v8 {
namespace internal {
using RegList = RegListBase<Register>;
using DoubleRegList = RegListBase<DoubleRegister>;
ASSERT_TRIVIALLY_COPYABLE(RegList);
ASSERT_TRIVIALLY_COPYABLE(DoubleRegList);
// Register list in load/store instructions
// Note that the bit values must match those used in actual instruction encoding
// Caller-saved/arguments registers
const RegList kJSCallerSaved = {r1, r2, // r2 a1
r3, // r3 a2
r4, // r4 a3
r5}; // r5 a4
const int kNumJSCallerSaved = 5;
// Callee-saved registers preserved when switching from C to JavaScript
const RegList kCalleeSaved = {r6, // r6 (argument passing in CEntryStub)
// (HandleScope logic in MacroAssembler)
r7, // r7 (argument passing in CEntryStub)
// (HandleScope logic in MacroAssembler)
r8, // r8 (argument passing in CEntryStub)
// (HandleScope logic in MacroAssembler)
r9, // r9 (HandleScope logic in MacroAssembler)
r10, // r10 (Roots register in Javascript)
fp, // r11 (fp in Javascript)
ip, // r12 (ip in Javascript)
r13}; // r13 (cp in Javascript)
// r15; // r15 (sp in Javascript)
const int kNumCalleeSaved = 8;
const DoubleRegList kCallerSavedDoubles = {d0, d1, d2, d3, d4, d5, d6, d7};
const int kNumCallerSavedDoubles = 8;
const DoubleRegList kCalleeSavedDoubles = {d8, d9, d10, d11,
d12, d13, d14, d15};
const int kNumCalleeSavedDoubles = 8;
} // namespace internal
} // namespace v8
#endif // V8_CODEGEN_S390_REGLIST_S390_H_
Zerion Mini Shell 1.0