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_x64_LIR_x64_h
michael@0: #define jit_x64_LIR_x64_h
michael@0: 
michael@0: namespace js {
michael@0: namespace jit {
michael@0: 
michael@0: // Given a typed input, returns an untyped box.
michael@0: class LBox : public LInstructionHelper<1, 1, 0>
michael@0: {
michael@0:     MIRType type_;
michael@0: 
michael@0:   public:
michael@0:     LIR_HEADER(Box)
michael@0: 
michael@0:     LBox(MIRType type, const LAllocation &payload)
michael@0:       : type_(type)
michael@0:     {
michael@0:         setOperand(0, payload);
michael@0:     }
michael@0: 
michael@0:     MIRType type() const {
michael@0:         return type_;
michael@0:     }
michael@0:     const char *extraName() const {
michael@0:         return StringFromMIRType(type_);
michael@0:     }
michael@0: };
michael@0: 
michael@0: // Given an untyped input, guards on whether it's a specific type and returns
michael@0: // the unboxed payload.
michael@0: class LUnboxBase : public LInstructionHelper<1, 1, 0>
michael@0: {
michael@0:   public:
michael@0:     LUnboxBase(const LAllocation &input) {
michael@0:         setOperand(0, input);
michael@0:     }
michael@0: 
michael@0:     static const size_t Input = 0;
michael@0: 
michael@0:     MUnbox *mir() const {
michael@0:         return mir_->toUnbox();
michael@0:     }
michael@0: };
michael@0: 
michael@0: class LUnbox : public LUnboxBase {
michael@0:   public:
michael@0:     LIR_HEADER(Unbox)
michael@0: 
michael@0:     LUnbox(const LAllocation &input)
michael@0:       : LUnboxBase(input)
michael@0:     { }
michael@0: 
michael@0:     const char *extraName() const {
michael@0:         return StringFromMIRType(mir()->type());
michael@0:     }
michael@0: };
michael@0: 
michael@0: class LUnboxFloatingPoint : public LUnboxBase {
michael@0:     MIRType type_;
michael@0: 
michael@0:   public:
michael@0:     LIR_HEADER(UnboxFloatingPoint)
michael@0: 
michael@0:     LUnboxFloatingPoint(const LAllocation &input, MIRType type)
michael@0:       : LUnboxBase(input),
michael@0:         type_(type)
michael@0:     { }
michael@0: 
michael@0:     MIRType type() const {
michael@0:         return type_;
michael@0:     }
michael@0:     const char *extraName() const {
michael@0:         return StringFromMIRType(type_);
michael@0:     }
michael@0: };
michael@0: 
michael@0: // Convert a 32-bit unsigned integer to a double.
michael@0: class LAsmJSUInt32ToDouble : public LInstructionHelper<1, 1, 0>
michael@0: {
michael@0:   public:
michael@0:     LIR_HEADER(AsmJSUInt32ToDouble)
michael@0: 
michael@0:     LAsmJSUInt32ToDouble(const LAllocation &input) {
michael@0:         setOperand(0, input);
michael@0:     }
michael@0: };
michael@0: 
michael@0: // Convert a 32-bit unsigned integer to a float32.
michael@0: class LAsmJSUInt32ToFloat32 : public LInstructionHelper<1, 1, 0>
michael@0: {
michael@0:   public:
michael@0:     LIR_HEADER(AsmJSUInt32ToFloat32)
michael@0: 
michael@0:     LAsmJSUInt32ToFloat32(const LAllocation &input) {
michael@0:         setOperand(0, input);
michael@0:     }
michael@0: };
michael@0: 
michael@0: class LAsmJSLoadFuncPtr : public LInstructionHelper<1, 1, 1>
michael@0: {
michael@0:   public:
michael@0:     LIR_HEADER(AsmJSLoadFuncPtr);
michael@0:     LAsmJSLoadFuncPtr(const LAllocation &index, const LDefinition &temp) {
michael@0:         setOperand(0, index);
michael@0:         setTemp(0, temp);
michael@0:     }
michael@0:     MAsmJSLoadFuncPtr *mir() const {
michael@0:         return mir_->toAsmJSLoadFuncPtr();
michael@0:     }
michael@0:     const LAllocation *index() {
michael@0:         return getOperand(0);
michael@0:     }
michael@0:     const LDefinition *temp() {
michael@0:         return getTemp(0);
michael@0:     }
michael@0: };
michael@0: 
michael@0: } // namespace jit
michael@0: } // namespace js
michael@0: 
michael@0: #endif /* jit_x64_LIR_x64_h */