/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef jit_arm64_SharedICRegisters_arm64_h
#define jit_arm64_SharedICRegisters_arm64_h

#include "jit/arm64/Assembler-arm64.h"
#include "jit/Registers.h"
#include "jit/RegisterSets.h"

namespace js {
namespace jit {

// ValueOperands R0, R1, and R2.
// R0 == JSReturnReg, and R2 uses registers not preserved across calls.
// R1 value should be preserved across calls.
static constexpr Register R0_ = r2;
static constexpr Register R1_ = r19;
static constexpr Register R2_ = r0;

static constexpr ValueOperand R0(R0_);
static constexpr ValueOperand R1(R1_);
static constexpr ValueOperand R2(R2_);

// ICTailCallReg and ICStubReg use registers that are not preserved across
// calls.
static constexpr Register ICTailCallReg = r30;
static constexpr Register ICStubReg = r9;

// R7 - R9 are generally available for use within stubcode.

// Note that BaselineTailCallReg is actually just the link
// register.  In ARM code emission, we do not clobber BaselineTailCallReg
// since we keep the return address for calls there.

static constexpr FloatRegister FloatReg0 = {FloatRegisters::d0,
                                            FloatRegisters::Double};
static constexpr FloatRegister FloatReg1 = {FloatRegisters::d1,
                                            FloatRegisters::Double};
static constexpr FloatRegister FloatReg2 = {FloatRegisters::d2,
                                            FloatRegisters::Double};
static constexpr FloatRegister FloatReg3 = {FloatRegisters::d3,
                                            FloatRegisters::Double};

}  // namespace jit
}  // namespace js

#endif  // jit_arm64_SharedICRegisters_arm64_h