SharedICRegisters-arm64.h (1961B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- 2 * vim: set ts=8 sts=2 et sw=2 tw=80: 3 * This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef jit_arm64_SharedICRegisters_arm64_h 8 #define jit_arm64_SharedICRegisters_arm64_h 9 10 #include "jit/arm64/Assembler-arm64.h" 11 #include "jit/Registers.h" 12 #include "jit/RegisterSets.h" 13 14 namespace js { 15 namespace jit { 16 17 // ValueOperands R0, R1, and R2. 18 // R0 == JSReturnReg, and R2 uses registers not preserved across calls. 19 // R1 value should be preserved across calls. 20 static constexpr Register R0_ = r2; 21 static constexpr Register R1_ = r19; 22 static constexpr Register R2_ = r0; 23 24 static constexpr ValueOperand R0(R0_); 25 static constexpr ValueOperand R1(R1_); 26 static constexpr ValueOperand R2(R2_); 27 28 // ICTailCallReg and ICStubReg use registers that are not preserved across 29 // calls. 30 static constexpr Register ICTailCallReg = r30; 31 static constexpr Register ICStubReg = r9; 32 33 // R7 - R9 are generally available for use within stubcode. 34 35 // Note that BaselineTailCallReg is actually just the link 36 // register. In ARM code emission, we do not clobber BaselineTailCallReg 37 // since we keep the return address for calls there. 38 39 static constexpr FloatRegister FloatReg0 = {FloatRegisters::d0, 40 FloatRegisters::Double}; 41 static constexpr FloatRegister FloatReg1 = {FloatRegisters::d1, 42 FloatRegisters::Double}; 43 static constexpr FloatRegister FloatReg2 = {FloatRegisters::d2, 44 FloatRegisters::Double}; 45 static constexpr FloatRegister FloatReg3 = {FloatRegisters::d3, 46 FloatRegisters::Double}; 47 48 } // namespace jit 49 } // namespace js 50 51 #endif // jit_arm64_SharedICRegisters_arm64_h