170 lines
4.3 KiB
C++
170 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef jit_mips32_LIR_mips32_h
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#define jit_mips32_LIR_mips32_h
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namespace js {
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namespace jit {
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class LBoxFloatingPoint : public LInstructionHelper<2, 1, 1>
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{
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MIRType type_;
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public:
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LIR_HEADER(BoxFloatingPoint);
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LBoxFloatingPoint(const LAllocation& in, const LDefinition& temp, MIRType type)
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: type_(type)
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{
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setOperand(0, in);
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setTemp(0, temp);
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}
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MIRType type() const {
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return type_;
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}
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const char* extraName() const {
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return StringFromMIRType(type_);
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}
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};
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class LUnbox : public LInstructionHelper<1, 2, 0>
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{
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public:
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LIR_HEADER(Unbox);
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MUnbox* mir() const {
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return mir_->toUnbox();
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}
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const LAllocation* payload() {
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return getOperand(0);
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}
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const LAllocation* type() {
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return getOperand(1);
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}
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const char* extraName() const {
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return StringFromMIRType(mir()->type());
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}
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};
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class LUnboxFloatingPoint : public LInstructionHelper<1, 2, 0>
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{
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MIRType type_;
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public:
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LIR_HEADER(UnboxFloatingPoint);
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static const size_t Input = 0;
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LUnboxFloatingPoint(const LBoxAllocation& input, MIRType type)
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: type_(type)
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{
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setBoxOperand(Input, input);
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}
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MUnbox* mir() const {
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return mir_->toUnbox();
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}
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MIRType type() const {
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return type_;
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}
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const char* extraName() const {
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return StringFromMIRType(type_);
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}
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};
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class LDivOrModI64 : public LCallInstructionHelper<INT64_PIECES, INT64_PIECES*2, 0>
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{
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public:
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LIR_HEADER(DivOrModI64)
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static const size_t Lhs = 0;
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static const size_t Rhs = INT64_PIECES;
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LDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs)
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{
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setInt64Operand(Lhs, lhs);
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setInt64Operand(Rhs, rhs);
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}
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MBinaryArithInstruction* mir() const {
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MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
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return static_cast<MBinaryArithInstruction*>(mir_);
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}
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bool canBeDivideByZero() const {
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if (mir_->isMod())
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return mir_->toMod()->canBeDivideByZero();
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return mir_->toDiv()->canBeDivideByZero();
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}
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bool canBeNegativeOverflow() const {
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if (mir_->isMod())
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return mir_->toMod()->canBeNegativeDividend();
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return mir_->toDiv()->canBeNegativeOverflow();
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}
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wasm::TrapOffset trapOffset() const {
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MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
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if (mir_->isMod())
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return mir_->toMod()->trapOffset();
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return mir_->toDiv()->trapOffset();
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}
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};
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class LUDivOrModI64 : public LCallInstructionHelper<INT64_PIECES, INT64_PIECES*2, 0>
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{
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public:
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LIR_HEADER(UDivOrModI64)
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static const size_t Lhs = 0;
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static const size_t Rhs = INT64_PIECES;
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LUDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs)
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{
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setInt64Operand(Lhs, lhs);
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setInt64Operand(Rhs, rhs);
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}
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MBinaryArithInstruction* mir() const {
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MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
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return static_cast<MBinaryArithInstruction*>(mir_);
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}
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bool canBeDivideByZero() const {
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if (mir_->isMod())
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return mir_->toMod()->canBeDivideByZero();
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return mir_->toDiv()->canBeDivideByZero();
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}
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bool canBeNegativeOverflow() const {
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if (mir_->isMod())
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return mir_->toMod()->canBeNegativeDividend();
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return mir_->toDiv()->canBeNegativeOverflow();
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}
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wasm::TrapOffset trapOffset() const {
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MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
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if (mir_->isMod())
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return mir_->toMod()->trapOffset();
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return mir_->toDiv()->trapOffset();
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}
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};
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class LWasmTruncateToInt64 : public LCallInstructionHelper<INT64_PIECES, 1, 0>
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{
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public:
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LIR_HEADER(WasmTruncateToInt64);
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explicit LWasmTruncateToInt64(const LAllocation& in)
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{
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setOperand(0, in);
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}
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MWasmTruncateToInt64* mir() const {
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return mir_->toWasmTruncateToInt64();
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}
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};
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} // namespace jit
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} // namespace js
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#endif /* jit_mips32_LIR_mips32_h */
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