Source code

Revision control

Copy as Markdown

Other Tools

/* -*- 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_mips32_LIR_mips32_h
#define jit_mips32_LIR_mips32_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)
: LInstructionHelper(classOpcode), type_(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);
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_); }
};
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)
: LCallInstructionHelper(classOpcode) {
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::BytecodeOffset bytecodeOffset() const {
MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
if (mir_->isMod()) {
return mir_->toMod()->bytecodeOffset();
}
return mir_->toDiv()->bytecodeOffset();
}
};
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)
: LCallInstructionHelper(classOpcode) {
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::BytecodeOffset bytecodeOffset() const {
MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
if (mir_->isMod()) {
return mir_->toMod()->bytecodeOffset();
}
return mir_->toDiv()->bytecodeOffset();
}
};
class LWasmTruncateToInt64 : public LCallInstructionHelper<INT64_PIECES, 1, 0> {
public:
LIR_HEADER(WasmTruncateToInt64);
explicit LWasmTruncateToInt64(const LAllocation& in)
: LCallInstructionHelper(classOpcode) {
setOperand(0, in);
}
MWasmTruncateToInt64* mir() const { return mir_->toWasmTruncateToInt64(); }
};
class LInt64ToFloatingPoint
: public LCallInstructionHelper<1, INT64_PIECES, 0> {
public:
LIR_HEADER(Int64ToFloatingPoint);
explicit LInt64ToFloatingPoint(const LInt64Allocation& in)
: LCallInstructionHelper(classOpcode) {
setInt64Operand(0, in);
}
MInt64ToFloatingPoint* mir() const { return mir_->toInt64ToFloatingPoint(); }
};
class LWasmAtomicLoadI64 : public LInstructionHelper<INT64_PIECES, 1, 0> {
public:
LIR_HEADER(WasmAtomicLoadI64);
LWasmAtomicLoadI64(const LAllocation& ptr) : LInstructionHelper(classOpcode) {
setOperand(0, ptr);
}
const LAllocation* ptr() { return getOperand(0); }
const MWasmLoad* mir() const { return mir_->toWasmLoad(); }
};
class LWasmAtomicStoreI64 : public LInstructionHelper<0, 1 + INT64_PIECES, 1> {
public:
LIR_HEADER(WasmAtomicStoreI64);
LWasmAtomicStoreI64(const LAllocation& ptr, const LInt64Allocation& value,
const LDefinition& tmp)
: LInstructionHelper(classOpcode) {
setOperand(0, ptr);
setInt64Operand(1, value);
setTemp(0, tmp);
}
const LAllocation* ptr() { return getOperand(0); }
const LInt64Allocation value() { return getInt64Operand(1); }
const LDefinition* tmp() { return getTemp(0); }
const MWasmStore* mir() const { return mir_->toWasmStore(); }
};
} // namespace jit
} // namespace js
#endif /* jit_mips32_LIR_mips32_h */