michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef jit_shared_CodeGenerator_shared_inl_h
michael@0: #define jit_shared_CodeGenerator_shared_inl_h
michael@0: 
michael@0: #include "jit/shared/CodeGenerator-shared.h"
michael@0: 
michael@0: namespace js {
michael@0: namespace jit {
michael@0: 
michael@0: static inline int32_t
michael@0: ToInt32(const LAllocation *a)
michael@0: {
michael@0:     if (a->isConstantValue())
michael@0:         return a->toConstant()->toInt32();
michael@0:     if (a->isConstantIndex())
michael@0:         return a->toConstantIndex()->index();
michael@0:     MOZ_ASSUME_UNREACHABLE("this is not a constant!");
michael@0: }
michael@0: static inline double
michael@0: ToDouble(const LAllocation *a)
michael@0: {
michael@0:     return a->toConstant()->toNumber();
michael@0: }
michael@0: 
michael@0: static inline Register
michael@0: ToRegister(const LAllocation &a)
michael@0: {
michael@0:     JS_ASSERT(a.isGeneralReg());
michael@0:     return a.toGeneralReg()->reg();
michael@0: }
michael@0: 
michael@0: static inline Register
michael@0: ToRegister(const LAllocation *a)
michael@0: {
michael@0:     return ToRegister(*a);
michael@0: }
michael@0: 
michael@0: static inline Register
michael@0: ToRegister(const LDefinition *def)
michael@0: {
michael@0:     return ToRegister(*def->output());
michael@0: }
michael@0: 
michael@0: static inline Register
michael@0: ToTempRegisterOrInvalid(const LDefinition *def)
michael@0: {
michael@0:     if (def->isBogusTemp())
michael@0:         return InvalidReg;
michael@0:     return ToRegister(def);
michael@0: }
michael@0: 
michael@0: static inline Register
michael@0: ToTempUnboxRegister(const LDefinition *def)
michael@0: {
michael@0:     return ToTempRegisterOrInvalid(def);
michael@0: }
michael@0: 
michael@0: static inline Register
michael@0: ToRegisterOrInvalid(const LDefinition *a)
michael@0: {
michael@0:     return a ? ToRegister(a) : InvalidReg;
michael@0: }
michael@0: 
michael@0: static inline FloatRegister
michael@0: ToFloatRegister(const LAllocation &a)
michael@0: {
michael@0:     JS_ASSERT(a.isFloatReg());
michael@0:     return a.toFloatReg()->reg();
michael@0: }
michael@0: 
michael@0: static inline FloatRegister
michael@0: ToFloatRegister(const LAllocation *a)
michael@0: {
michael@0:     return ToFloatRegister(*a);
michael@0: }
michael@0: 
michael@0: static inline FloatRegister
michael@0: ToFloatRegister(const LDefinition *def)
michael@0: {
michael@0:     return ToFloatRegister(*def->output());
michael@0: }
michael@0: 
michael@0: static inline AnyRegister
michael@0: ToAnyRegister(const LAllocation &a)
michael@0: {
michael@0:     JS_ASSERT(a.isGeneralReg() || a.isFloatReg());
michael@0:     if (a.isGeneralReg())
michael@0:         return AnyRegister(ToRegister(a));
michael@0:     return AnyRegister(ToFloatRegister(a));
michael@0: }
michael@0: 
michael@0: static inline AnyRegister
michael@0: ToAnyRegister(const LAllocation *a)
michael@0: {
michael@0:     return ToAnyRegister(*a);
michael@0: }
michael@0: 
michael@0: static inline AnyRegister
michael@0: ToAnyRegister(const LDefinition *def)
michael@0: {
michael@0:     return ToAnyRegister(def->output());
michael@0: }
michael@0: 
michael@0: static inline Int32Key
michael@0: ToInt32Key(const LAllocation *a)
michael@0: {
michael@0:     if (a->isConstant())
michael@0:         return Int32Key(ToInt32(a));
michael@0:     return Int32Key(ToRegister(a));
michael@0: }
michael@0: 
michael@0: static inline ValueOperand
michael@0: GetValueOutput(LInstruction *ins)
michael@0: {
michael@0: #if defined(JS_NUNBOX32)
michael@0:     return ValueOperand(ToRegister(ins->getDef(TYPE_INDEX)),
michael@0:                         ToRegister(ins->getDef(PAYLOAD_INDEX)));
michael@0: #elif defined(JS_PUNBOX64)
michael@0:     return ValueOperand(ToRegister(ins->getDef(0)));
michael@0: #else
michael@0: #error "Unknown"
michael@0: #endif
michael@0: }
michael@0: 
michael@0: static inline ValueOperand
michael@0: GetTempValue(const Register &type, const Register &payload)
michael@0: {
michael@0: #if defined(JS_NUNBOX32)
michael@0:     return ValueOperand(type, payload);
michael@0: #elif defined(JS_PUNBOX64)
michael@0:     (void)type;
michael@0:     return ValueOperand(payload);
michael@0: #else
michael@0: #error "Unknown"
michael@0: #endif
michael@0: }
michael@0: 
michael@0: void
michael@0: CodeGeneratorShared::saveLive(LInstruction *ins)
michael@0: {
michael@0:     JS_ASSERT(!ins->isCall());
michael@0:     LSafepoint *safepoint = ins->safepoint();
michael@0:     masm.PushRegsInMask(safepoint->liveRegs());
michael@0: }
michael@0: 
michael@0: void
michael@0: CodeGeneratorShared::restoreLive(LInstruction *ins)
michael@0: {
michael@0:     JS_ASSERT(!ins->isCall());
michael@0:     LSafepoint *safepoint = ins->safepoint();
michael@0:     masm.PopRegsInMask(safepoint->liveRegs());
michael@0: }
michael@0: 
michael@0: void
michael@0: CodeGeneratorShared::restoreLiveIgnore(LInstruction *ins, RegisterSet ignore)
michael@0: {
michael@0:     JS_ASSERT(!ins->isCall());
michael@0:     LSafepoint *safepoint = ins->safepoint();
michael@0:     masm.PopRegsInMaskIgnore(safepoint->liveRegs(), ignore);
michael@0: }
michael@0: 
michael@0: void
michael@0: CodeGeneratorShared::saveLiveVolatile(LInstruction *ins)
michael@0: {
michael@0:     JS_ASSERT(!ins->isCall());
michael@0:     LSafepoint *safepoint = ins->safepoint();
michael@0:     RegisterSet regs = RegisterSet::Intersect(safepoint->liveRegs(), RegisterSet::Volatile());
michael@0:     masm.PushRegsInMask(regs);
michael@0: }
michael@0: 
michael@0: void
michael@0: CodeGeneratorShared::restoreLiveVolatile(LInstruction *ins)
michael@0: {
michael@0:     JS_ASSERT(!ins->isCall());
michael@0:     LSafepoint *safepoint = ins->safepoint();
michael@0:     RegisterSet regs = RegisterSet::Intersect(safepoint->liveRegs(), RegisterSet::Volatile());
michael@0:     masm.PopRegsInMask(regs);
michael@0: }
michael@0: 
michael@0: } // ion
michael@0: } // js
michael@0: 
michael@0: #endif /* jit_shared_CodeGenerator_shared_inl_h */