| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| * vim: set ts=8 sts=4 et sw=4 tw=99: |
| * 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_arm_BaselineRegisters_arm_h |
| #define jit_arm_BaselineRegisters_arm_h |
| |
| #ifdef JS_ION |
| |
| #include "jit/IonMacroAssembler.h" |
| |
| namespace js { |
| namespace jit { |
| |
| // r15 = program-counter |
| // r14 = link-register |
| |
| // r13 = stack-pointer |
| // r11 = frame-pointer |
| static const Register BaselineFrameReg = r11; |
| static const Register BaselineStackReg = sp; |
| |
| // ValueOperands R0, R1, and R2. |
| // R0 == JSReturnReg, and R2 uses registers not |
| // preserved across calls. R1 value should be |
| // preserved across calls. |
| static const ValueOperand R0(r3, r2); |
| static const ValueOperand R1(r5, r4); |
| static const ValueOperand R2(r1, r0); |
| |
| // BaselineTailCallReg and BaselineStubReg |
| // These use registers that are not preserved across |
| // calls. |
| static const Register BaselineTailCallReg = r14; |
| static const Register BaselineStubReg = r9; |
| |
| static const Register ExtractTemp0 = InvalidReg; |
| static const Register ExtractTemp1 = InvalidReg; |
| |
| // Register used internally by MacroAssemblerARM. |
| static const Register BaselineSecondScratchReg = r6; |
| |
| // 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. |
| |
| // FloatReg0 must be equal to ReturnFloatReg. d1 is ScratchFloatReg. |
| static const FloatRegister FloatReg0 = d0; |
| static const FloatRegister FloatReg1 = d2; |
| |
| } // namespace jit |
| } // namespace js |
| |
| #endif // JS_ION |
| |
| #endif /* jit_arm_BaselineRegisters_arm_h */ |