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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef jit_x86_LIR_x86_h
#define jit_x86_LIR_x86_h
namespace js {
namespace jit {
class LBoxFloatingPoint : public LInstructionHelper<2, 1, 1>
{
MIRType type_;
public:
LIR_HEADER(BoxFloatingPoint);
LBoxFloatingPoint(const LAllocation& in, const LDefinition& temp, MIRType type)
: type_(type)
{
MOZ_ASSERT(IsFloatingPointType(type));
setOperand(0, in);
setTemp(0, temp);
}
MIRType type() const {
return type_;
}
const char* extraName() const {
return StringFromMIRType(type_);
}
};
class LUnbox : public LInstructionHelper<1, 2, 0>
{
public:
LIR_HEADER(Unbox);
MUnbox* mir() const {
return mir_->toUnbox();
}
const LAllocation* payload() {
return getOperand(0);
}
const LAllocation* type() {
return getOperand(1);
}
const char* extraName() const {
return StringFromMIRType(mir()->type());
}
};
class LUnboxFloatingPoint : public LInstructionHelper<1, 2, 0>
{
MIRType type_;
public:
LIR_HEADER(UnboxFloatingPoint);
static const size_t Input = 0;
LUnboxFloatingPoint(const LBoxAllocation& input, MIRType type)
: type_(type)
{
setBoxOperand(Input, input);
}
MUnbox* mir() const {
return mir_->toUnbox();
}
MIRType type() const {
return type_;
}
const char* extraName() const {
return StringFromMIRType(type_);
}
};
// Convert a 32-bit unsigned integer to a double.
class LWasmUint32ToDouble : public LInstructionHelper<1, 1, 1>
{
public:
LIR_HEADER(WasmUint32ToDouble)
LWasmUint32ToDouble(const LAllocation& input, const LDefinition& temp) {
setOperand(0, input);
setTemp(0, temp);
}
const LDefinition* temp() {
return getTemp(0);
}
};
// Convert a 32-bit unsigned integer to a float32.
class LWasmUint32ToFloat32: public LInstructionHelper<1, 1, 1>
{
public:
LIR_HEADER(WasmUint32ToFloat32)
LWasmUint32ToFloat32(const LAllocation& input, const LDefinition& temp) {
setOperand(0, input);
setTemp(0, temp);
}
const LDefinition* temp() {
return getTemp(0);
}
};
class LDivOrModI64 : public LCallInstructionHelper<INT64_PIECES, INT64_PIECES*2, 0>
{
public:
LIR_HEADER(DivOrModI64)
static const size_t Lhs = 0;
static const size_t Rhs = INT64_PIECES;
LDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs)
{
setInt64Operand(Lhs, lhs);
setInt64Operand(Rhs, rhs);
}
MBinaryArithInstruction* mir() const {
MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
return static_cast<MBinaryArithInstruction*>(mir_);
}
bool canBeDivideByZero() const {
if (mir_->isMod())
return mir_->toMod()->canBeDivideByZero();
return mir_->toDiv()->canBeDivideByZero();
}
bool canBeNegativeOverflow() const {
if (mir_->isMod())
return mir_->toMod()->canBeNegativeDividend();
return mir_->toDiv()->canBeNegativeOverflow();
}
wasm::TrapOffset trapOffset() const {
MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
if (mir_->isMod())
return mir_->toMod()->trapOffset();
return mir_->toDiv()->trapOffset();
}
};
class LUDivOrModI64 : public LCallInstructionHelper<INT64_PIECES, INT64_PIECES*2, 0>
{
public:
LIR_HEADER(UDivOrModI64)
static const size_t Lhs = 0;
static const size_t Rhs = INT64_PIECES;
LUDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs)
{
setInt64Operand(Lhs, lhs);
setInt64Operand(Rhs, rhs);
}
MBinaryArithInstruction* mir() const {
MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
return static_cast<MBinaryArithInstruction*>(mir_);
}
bool canBeDivideByZero() const {
if (mir_->isMod())
return mir_->toMod()->canBeDivideByZero();
return mir_->toDiv()->canBeDivideByZero();
}
bool canBeNegativeOverflow() const {
if (mir_->isMod())
return mir_->toMod()->canBeNegativeDividend();
return mir_->toDiv()->canBeNegativeOverflow();
}
wasm::TrapOffset trapOffset() const {
MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
if (mir_->isMod())
return mir_->toMod()->trapOffset();
return mir_->toDiv()->trapOffset();
}
};
class LWasmTruncateToInt64 : public LInstructionHelper<INT64_PIECES, 1, 1>
{
public:
LIR_HEADER(WasmTruncateToInt64);
LWasmTruncateToInt64(const LAllocation& in, const LDefinition& temp)
{
setOperand(0, in);
setTemp(0, temp);
}
MWasmTruncateToInt64* mir() const {
return mir_->toWasmTruncateToInt64();
}
const LDefinition* temp() {
return getTemp(0);
}
};
} // namespace jit
} // namespace js
#endif /* jit_x86_LIR_x86_h */
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