1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit/shared/CodeGenerator-shared-inl.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,188 @@
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_shared_CodeGenerator_shared_inl_h
1.11 +#define jit_shared_CodeGenerator_shared_inl_h
1.12 +
1.13 +#include "jit/shared/CodeGenerator-shared.h"
1.14 +
1.15 +namespace js {
1.16 +namespace jit {
1.17 +
1.18 +static inline int32_t
1.19 +ToInt32(const LAllocation *a)
1.20 +{
1.21 + if (a->isConstantValue())
1.22 + return a->toConstant()->toInt32();
1.23 + if (a->isConstantIndex())
1.24 + return a->toConstantIndex()->index();
1.25 + MOZ_ASSUME_UNREACHABLE("this is not a constant!");
1.26 +}
1.27 +static inline double
1.28 +ToDouble(const LAllocation *a)
1.29 +{
1.30 + return a->toConstant()->toNumber();
1.31 +}
1.32 +
1.33 +static inline Register
1.34 +ToRegister(const LAllocation &a)
1.35 +{
1.36 + JS_ASSERT(a.isGeneralReg());
1.37 + return a.toGeneralReg()->reg();
1.38 +}
1.39 +
1.40 +static inline Register
1.41 +ToRegister(const LAllocation *a)
1.42 +{
1.43 + return ToRegister(*a);
1.44 +}
1.45 +
1.46 +static inline Register
1.47 +ToRegister(const LDefinition *def)
1.48 +{
1.49 + return ToRegister(*def->output());
1.50 +}
1.51 +
1.52 +static inline Register
1.53 +ToTempRegisterOrInvalid(const LDefinition *def)
1.54 +{
1.55 + if (def->isBogusTemp())
1.56 + return InvalidReg;
1.57 + return ToRegister(def);
1.58 +}
1.59 +
1.60 +static inline Register
1.61 +ToTempUnboxRegister(const LDefinition *def)
1.62 +{
1.63 + return ToTempRegisterOrInvalid(def);
1.64 +}
1.65 +
1.66 +static inline Register
1.67 +ToRegisterOrInvalid(const LDefinition *a)
1.68 +{
1.69 + return a ? ToRegister(a) : InvalidReg;
1.70 +}
1.71 +
1.72 +static inline FloatRegister
1.73 +ToFloatRegister(const LAllocation &a)
1.74 +{
1.75 + JS_ASSERT(a.isFloatReg());
1.76 + return a.toFloatReg()->reg();
1.77 +}
1.78 +
1.79 +static inline FloatRegister
1.80 +ToFloatRegister(const LAllocation *a)
1.81 +{
1.82 + return ToFloatRegister(*a);
1.83 +}
1.84 +
1.85 +static inline FloatRegister
1.86 +ToFloatRegister(const LDefinition *def)
1.87 +{
1.88 + return ToFloatRegister(*def->output());
1.89 +}
1.90 +
1.91 +static inline AnyRegister
1.92 +ToAnyRegister(const LAllocation &a)
1.93 +{
1.94 + JS_ASSERT(a.isGeneralReg() || a.isFloatReg());
1.95 + if (a.isGeneralReg())
1.96 + return AnyRegister(ToRegister(a));
1.97 + return AnyRegister(ToFloatRegister(a));
1.98 +}
1.99 +
1.100 +static inline AnyRegister
1.101 +ToAnyRegister(const LAllocation *a)
1.102 +{
1.103 + return ToAnyRegister(*a);
1.104 +}
1.105 +
1.106 +static inline AnyRegister
1.107 +ToAnyRegister(const LDefinition *def)
1.108 +{
1.109 + return ToAnyRegister(def->output());
1.110 +}
1.111 +
1.112 +static inline Int32Key
1.113 +ToInt32Key(const LAllocation *a)
1.114 +{
1.115 + if (a->isConstant())
1.116 + return Int32Key(ToInt32(a));
1.117 + return Int32Key(ToRegister(a));
1.118 +}
1.119 +
1.120 +static inline ValueOperand
1.121 +GetValueOutput(LInstruction *ins)
1.122 +{
1.123 +#if defined(JS_NUNBOX32)
1.124 + return ValueOperand(ToRegister(ins->getDef(TYPE_INDEX)),
1.125 + ToRegister(ins->getDef(PAYLOAD_INDEX)));
1.126 +#elif defined(JS_PUNBOX64)
1.127 + return ValueOperand(ToRegister(ins->getDef(0)));
1.128 +#else
1.129 +#error "Unknown"
1.130 +#endif
1.131 +}
1.132 +
1.133 +static inline ValueOperand
1.134 +GetTempValue(const Register &type, const Register &payload)
1.135 +{
1.136 +#if defined(JS_NUNBOX32)
1.137 + return ValueOperand(type, payload);
1.138 +#elif defined(JS_PUNBOX64)
1.139 + (void)type;
1.140 + return ValueOperand(payload);
1.141 +#else
1.142 +#error "Unknown"
1.143 +#endif
1.144 +}
1.145 +
1.146 +void
1.147 +CodeGeneratorShared::saveLive(LInstruction *ins)
1.148 +{
1.149 + JS_ASSERT(!ins->isCall());
1.150 + LSafepoint *safepoint = ins->safepoint();
1.151 + masm.PushRegsInMask(safepoint->liveRegs());
1.152 +}
1.153 +
1.154 +void
1.155 +CodeGeneratorShared::restoreLive(LInstruction *ins)
1.156 +{
1.157 + JS_ASSERT(!ins->isCall());
1.158 + LSafepoint *safepoint = ins->safepoint();
1.159 + masm.PopRegsInMask(safepoint->liveRegs());
1.160 +}
1.161 +
1.162 +void
1.163 +CodeGeneratorShared::restoreLiveIgnore(LInstruction *ins, RegisterSet ignore)
1.164 +{
1.165 + JS_ASSERT(!ins->isCall());
1.166 + LSafepoint *safepoint = ins->safepoint();
1.167 + masm.PopRegsInMaskIgnore(safepoint->liveRegs(), ignore);
1.168 +}
1.169 +
1.170 +void
1.171 +CodeGeneratorShared::saveLiveVolatile(LInstruction *ins)
1.172 +{
1.173 + JS_ASSERT(!ins->isCall());
1.174 + LSafepoint *safepoint = ins->safepoint();
1.175 + RegisterSet regs = RegisterSet::Intersect(safepoint->liveRegs(), RegisterSet::Volatile());
1.176 + masm.PushRegsInMask(regs);
1.177 +}
1.178 +
1.179 +void
1.180 +CodeGeneratorShared::restoreLiveVolatile(LInstruction *ins)
1.181 +{
1.182 + JS_ASSERT(!ins->isCall());
1.183 + LSafepoint *safepoint = ins->safepoint();
1.184 + RegisterSet regs = RegisterSet::Intersect(safepoint->liveRegs(), RegisterSet::Volatile());
1.185 + masm.PopRegsInMask(regs);
1.186 +}
1.187 +
1.188 +} // ion
1.189 +} // js
1.190 +
1.191 +#endif /* jit_shared_CodeGenerator_shared_inl_h */
