1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit/x64/LIR-x64.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,127 @@
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_x64_LIR_x64_h
1.11 +#define jit_x64_LIR_x64_h
1.12 +
1.13 +namespace js {
1.14 +namespace jit {
1.15 +
1.16 +// Given a typed input, returns an untyped box.
1.17 +class LBox : public LInstructionHelper<1, 1, 0>
1.18 +{
1.19 + MIRType type_;
1.20 +
1.21 + public:
1.22 + LIR_HEADER(Box)
1.23 +
1.24 + LBox(MIRType type, const LAllocation &payload)
1.25 + : type_(type)
1.26 + {
1.27 + setOperand(0, payload);
1.28 + }
1.29 +
1.30 + MIRType type() const {
1.31 + return type_;
1.32 + }
1.33 + const char *extraName() const {
1.34 + return StringFromMIRType(type_);
1.35 + }
1.36 +};
1.37 +
1.38 +// Given an untyped input, guards on whether it's a specific type and returns
1.39 +// the unboxed payload.
1.40 +class LUnboxBase : public LInstructionHelper<1, 1, 0>
1.41 +{
1.42 + public:
1.43 + LUnboxBase(const LAllocation &input) {
1.44 + setOperand(0, input);
1.45 + }
1.46 +
1.47 + static const size_t Input = 0;
1.48 +
1.49 + MUnbox *mir() const {
1.50 + return mir_->toUnbox();
1.51 + }
1.52 +};
1.53 +
1.54 +class LUnbox : public LUnboxBase {
1.55 + public:
1.56 + LIR_HEADER(Unbox)
1.57 +
1.58 + LUnbox(const LAllocation &input)
1.59 + : LUnboxBase(input)
1.60 + { }
1.61 +
1.62 + const char *extraName() const {
1.63 + return StringFromMIRType(mir()->type());
1.64 + }
1.65 +};
1.66 +
1.67 +class LUnboxFloatingPoint : public LUnboxBase {
1.68 + MIRType type_;
1.69 +
1.70 + public:
1.71 + LIR_HEADER(UnboxFloatingPoint)
1.72 +
1.73 + LUnboxFloatingPoint(const LAllocation &input, MIRType type)
1.74 + : LUnboxBase(input),
1.75 + type_(type)
1.76 + { }
1.77 +
1.78 + MIRType type() const {
1.79 + return type_;
1.80 + }
1.81 + const char *extraName() const {
1.82 + return StringFromMIRType(type_);
1.83 + }
1.84 +};
1.85 +
1.86 +// Convert a 32-bit unsigned integer to a double.
1.87 +class LAsmJSUInt32ToDouble : public LInstructionHelper<1, 1, 0>
1.88 +{
1.89 + public:
1.90 + LIR_HEADER(AsmJSUInt32ToDouble)
1.91 +
1.92 + LAsmJSUInt32ToDouble(const LAllocation &input) {
1.93 + setOperand(0, input);
1.94 + }
1.95 +};
1.96 +
1.97 +// Convert a 32-bit unsigned integer to a float32.
1.98 +class LAsmJSUInt32ToFloat32 : public LInstructionHelper<1, 1, 0>
1.99 +{
1.100 + public:
1.101 + LIR_HEADER(AsmJSUInt32ToFloat32)
1.102 +
1.103 + LAsmJSUInt32ToFloat32(const LAllocation &input) {
1.104 + setOperand(0, input);
1.105 + }
1.106 +};
1.107 +
1.108 +class LAsmJSLoadFuncPtr : public LInstructionHelper<1, 1, 1>
1.109 +{
1.110 + public:
1.111 + LIR_HEADER(AsmJSLoadFuncPtr);
1.112 + LAsmJSLoadFuncPtr(const LAllocation &index, const LDefinition &temp) {
1.113 + setOperand(0, index);
1.114 + setTemp(0, temp);
1.115 + }
1.116 + MAsmJSLoadFuncPtr *mir() const {
1.117 + return mir_->toAsmJSLoadFuncPtr();
1.118 + }
1.119 + const LAllocation *index() {
1.120 + return getOperand(0);
1.121 + }
1.122 + const LDefinition *temp() {
1.123 + return getTemp(0);
1.124 + }
1.125 +};
1.126 +
1.127 +} // namespace jit
1.128 +} // namespace js
1.129 +
1.130 +#endif /* jit_x64_LIR_x64_h */
