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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* 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, 2> {
MIRType type_;
public:
LIR_HEADER(BoxFloatingPoint);
LBoxFloatingPoint(const LAllocation& in, const LDefinition& temp,
const LDefinition& spectreTemp, MIRType type)
: LInstructionHelper(classOpcode), type_(type) {
MOZ_ASSERT(IsFloatingPointType(type));
setOperand(0, in);
setTemp(0, temp);
setTemp(1, spectreTemp);
}
const LDefinition* spectreTemp() { return getTemp(1); }
MIRType type() const { return type_; }
const char* extraName() const { return StringFromMIRType(type_); }
};
class LUnbox : public LInstructionHelper<1, 2, 0> {
public:
LIR_HEADER(Unbox);
LUnbox() : LInstructionHelper(classOpcode) {}
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)
: LInstructionHelper(classOpcode), 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)
: LInstructionHelper(classOpcode) {
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)
: LInstructionHelper(classOpcode) {
setOperand(0, input);
setTemp(0, temp);
}
const LDefinition* temp() { return getTemp(0); }
};
class LDivOrModI64
: public LCallInstructionHelper<INT64_PIECES, INT64_PIECES * 2 + 1, 0> {
public:
LIR_HEADER(DivOrModI64)
static const size_t Lhs = 0;
static const size_t Rhs = INT64_PIECES;
static const size_t Instance = 2 * INT64_PIECES;
LDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs,
const LAllocation& instance)
: LCallInstructionHelper(classOpcode) {
setInt64Operand(Lhs, lhs);
setInt64Operand(Rhs, rhs);
setOperand(Instance, instance);
}
MDefinition* mir() const {
MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
return mir_;
}
bool canBeDivideByZero() const {
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->canBeDivideByZero();
}
return mir_->toWasmBuiltinDivI64()->canBeDivideByZero();
}
bool canBeNegativeOverflow() const {
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->canBeNegativeDividend();
}
return mir_->toWasmBuiltinDivI64()->canBeNegativeOverflow();
}
wasm::BytecodeOffset bytecodeOffset() const {
MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->bytecodeOffset();
}
return mir_->toWasmBuiltinDivI64()->bytecodeOffset();
}
};
class LUDivOrModI64
: public LCallInstructionHelper<INT64_PIECES, INT64_PIECES * 2 + 1, 0> {
public:
LIR_HEADER(UDivOrModI64)
static const size_t Lhs = 0;
static const size_t Rhs = INT64_PIECES;
static const size_t Instance = 2 * INT64_PIECES;
LUDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs,
const LAllocation& instance)
: LCallInstructionHelper(classOpcode) {
setInt64Operand(Lhs, lhs);
setInt64Operand(Rhs, rhs);
setOperand(Instance, instance);
}
MDefinition* mir() const {
MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
return mir_;
}
bool canBeDivideByZero() const {
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->canBeDivideByZero();
}
return mir_->toWasmBuiltinDivI64()->canBeDivideByZero();
}
bool canBeNegativeOverflow() const {
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->canBeNegativeDividend();
}
return mir_->toWasmBuiltinDivI64()->canBeNegativeOverflow();
}
wasm::BytecodeOffset bytecodeOffset() const {
MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->bytecodeOffset();
}
return mir_->toWasmBuiltinDivI64()->bytecodeOffset();
}
};
class LWasmTruncateToInt64 : public LInstructionHelper<INT64_PIECES, 1, 1> {
public:
LIR_HEADER(WasmTruncateToInt64);
LWasmTruncateToInt64(const LAllocation& in, const LDefinition& temp)
: LInstructionHelper(classOpcode) {
setOperand(0, in);
setTemp(0, temp);
}
MWasmTruncateToInt64* mir() const { return mir_->toWasmTruncateToInt64(); }
const LDefinition* temp() { return getTemp(0); }
};
class LWasmAtomicLoadI64 : public LInstructionHelper<INT64_PIECES, 2, 2> {
public:
LIR_HEADER(WasmAtomicLoadI64);
LWasmAtomicLoadI64(const LAllocation& memoryBase, const LAllocation& ptr,
const LDefinition& t1, const LDefinition& t2)
: LInstructionHelper(classOpcode) {
setOperand(0, memoryBase);
setOperand(1, ptr);
setTemp(0, t1);
setTemp(1, t2);
}
MWasmLoad* mir() const { return mir_->toWasmLoad(); }
const LAllocation* memoryBase() { return getOperand(0); }
const LAllocation* ptr() { return getOperand(1); }
const LDefinition* t1() { return getTemp(0); }
const LDefinition* t2() { return getTemp(1); }
};
class LWasmAtomicStoreI64 : public LInstructionHelper<0, 2 + INT64_PIECES, 2> {
public:
LIR_HEADER(WasmAtomicStoreI64);
LWasmAtomicStoreI64(const LAllocation& memoryBase, const LAllocation& ptr,
const LInt64Allocation& value, const LDefinition& t1,
const LDefinition& t2)
: LInstructionHelper(classOpcode) {
setOperand(0, memoryBase);
setOperand(1, ptr);
setInt64Operand(2, value);
setTemp(0, t1);
setTemp(1, t2);
}
MWasmStore* mir() const { return mir_->toWasmStore(); }
const LAllocation* memoryBase() { return getOperand(0); }
const LAllocation* ptr() { return getOperand(1); }
const LInt64Allocation value() { return getInt64Operand(2); }
const LDefinition* t1() { return getTemp(0); }
const LDefinition* t2() { return getTemp(1); }
};
class LWasmCompareExchangeI64
: public LInstructionHelper<INT64_PIECES, 2 + 2 * INT64_PIECES, 0> {
public:
LIR_HEADER(WasmCompareExchangeI64);
LWasmCompareExchangeI64(const LAllocation& memoryBase, const LAllocation& ptr,
const LInt64Allocation& expected,
const LInt64Allocation& replacement)
: LInstructionHelper(classOpcode) {
setOperand(0, memoryBase);
setOperand(1, ptr);
setInt64Operand(2, expected);
setInt64Operand(2 + INT64_PIECES, replacement);
}
MWasmCompareExchangeHeap* mir() const {
return mir_->toWasmCompareExchangeHeap();
}
const LAllocation* memoryBase() { return getOperand(0); }
const LAllocation* ptr() { return getOperand(1); }
const LInt64Allocation expected() { return getInt64Operand(2); }
const LInt64Allocation replacement() {
return getInt64Operand(2 + INT64_PIECES);
}
};
class LWasmAtomicExchangeI64
: public LInstructionHelper<INT64_PIECES, 2 + INT64_PIECES, 0> {
const wasm::MemoryAccessDesc& access_;
public:
LIR_HEADER(WasmAtomicExchangeI64);
LWasmAtomicExchangeI64(const LAllocation& memoryBase, const LAllocation& ptr,
const LInt64Allocation& value,
const wasm::MemoryAccessDesc& access)
: LInstructionHelper(classOpcode), access_(access) {
setOperand(0, memoryBase);
setOperand(1, ptr);
setInt64Operand(2, value);
}
const LAllocation* memoryBase() { return getOperand(0); }
const LAllocation* ptr() { return getOperand(1); }
const LInt64Allocation value() { return getInt64Operand(2); }
const wasm::MemoryAccessDesc& access() { return access_; }
};
class LWasmAtomicBinopI64
: public LInstructionHelper<INT64_PIECES, 2 + INT64_PIECES, 0> {
const wasm::MemoryAccessDesc& access_;
AtomicOp op_;
public:
LIR_HEADER(WasmAtomicBinopI64);
LWasmAtomicBinopI64(const LAllocation& memoryBase, const LAllocation& ptr,
const LInt64Allocation& value,
const wasm::MemoryAccessDesc& access, AtomicOp op)
: LInstructionHelper(classOpcode), access_(access), op_(op) {
setOperand(0, memoryBase);
setOperand(1, ptr);
setInt64Operand(2, value);
}
const LAllocation* memoryBase() { return getOperand(0); }
const LAllocation* ptr() { return getOperand(1); }
const LInt64Allocation value() { return getInt64Operand(2); }
const wasm::MemoryAccessDesc& access() { return access_; }
AtomicOp operation() const { return op_; }
};
} // namespace jit
} // namespace js
#endif /* jit_x86_LIR_x86_h */
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