1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit/arm/BaselineRegisters-arm.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,60 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef jit_arm_BaselineRegisters_arm_h
1.11 +#define jit_arm_BaselineRegisters_arm_h
1.12 +
1.13 +#ifdef JS_ION
1.14 +
1.15 +#include "jit/IonMacroAssembler.h"
1.16 +
1.17 +namespace js {
1.18 +namespace jit {
1.19 +
1.20 +// r15 = program-counter
1.21 +// r14 = link-register
1.22 +
1.23 +// r13 = stack-pointer
1.24 +// r11 = frame-pointer
1.25 +static MOZ_CONSTEXPR_VAR Register BaselineFrameReg = r11;
1.26 +static MOZ_CONSTEXPR_VAR Register BaselineStackReg = sp;
1.27 +
1.28 +// ValueOperands R0, R1, and R2.
1.29 +// R0 == JSReturnReg, and R2 uses registers not
1.30 +// preserved across calls. R1 value should be
1.31 +// preserved across calls.
1.32 +static MOZ_CONSTEXPR_VAR ValueOperand R0(r3, r2);
1.33 +static MOZ_CONSTEXPR_VAR ValueOperand R1(r5, r4);
1.34 +static MOZ_CONSTEXPR_VAR ValueOperand R2(r1, r0);
1.35 +
1.36 +// BaselineTailCallReg and BaselineStubReg
1.37 +// These use registers that are not preserved across
1.38 +// calls.
1.39 +static MOZ_CONSTEXPR_VAR Register BaselineTailCallReg = r14;
1.40 +static MOZ_CONSTEXPR_VAR Register BaselineStubReg = r9;
1.41 +
1.42 +static MOZ_CONSTEXPR_VAR Register ExtractTemp0 = InvalidReg;
1.43 +static MOZ_CONSTEXPR_VAR Register ExtractTemp1 = InvalidReg;
1.44 +
1.45 +// Register used internally by MacroAssemblerARM.
1.46 +static MOZ_CONSTEXPR_VAR Register BaselineSecondScratchReg = r6;
1.47 +
1.48 +// R7 - R9 are generally available for use within stubcode.
1.49 +
1.50 +// Note that BaselineTailCallReg is actually just the link
1.51 +// register. In ARM code emission, we do not clobber BaselineTailCallReg
1.52 +// since we keep the return address for calls there.
1.53 +
1.54 +// FloatReg0 must be equal to ReturnFloatReg.
1.55 +static MOZ_CONSTEXPR_VAR FloatRegister FloatReg0 = d0;
1.56 +static MOZ_CONSTEXPR_VAR FloatRegister FloatReg1 = d1;
1.57 +
1.58 +} // namespace jit
1.59 +} // namespace js
1.60 +
1.61 +#endif // JS_ION
1.62 +
1.63 +#endif /* jit_arm_BaselineRegisters_arm_h */
