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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_mips_shared_LIR_mips_shared_h
#define jit_mips_shared_LIR_mips_shared_h
namespace js {
namespace jit {
// Convert a 32-bit unsigned integer to a double.
class LWasmUint32ToDouble : public LInstructionHelper<1, 1, 0> {
public:
LIR_HEADER(WasmUint32ToDouble)
LWasmUint32ToDouble(const LAllocation& input)
: LInstructionHelper(classOpcode) {
setOperand(0, input);
}
};
// Convert a 32-bit unsigned integer to a float32.
class LWasmUint32ToFloat32 : public LInstructionHelper<1, 1, 0> {
public:
LIR_HEADER(WasmUint32ToFloat32)
LWasmUint32ToFloat32(const LAllocation& input)
: LInstructionHelper(classOpcode) {
setOperand(0, input);
}
};
class LDivI : public LBinaryMath<1> {
public:
LIR_HEADER(DivI);
LDivI(const LAllocation& lhs, const LAllocation& rhs, const LDefinition& temp)
: LBinaryMath(classOpcode) {
setOperand(0, lhs);
setOperand(1, rhs);
setTemp(0, temp);
}
MDiv* mir() const { return mir_->toDiv(); }
};
class LDivPowTwoI : public LInstructionHelper<1, 1, 1> {
const int32_t shift_;
public:
LIR_HEADER(DivPowTwoI)
LDivPowTwoI(const LAllocation& lhs, int32_t shift, const LDefinition& temp)
: LInstructionHelper(classOpcode), shift_(shift) {
setOperand(0, lhs);
setTemp(0, temp);
}
const LAllocation* numerator() { return getOperand(0); }
int32_t shift() const { return shift_; }
MDiv* mir() const { return mir_->toDiv(); }
};
class LModI : public LBinaryMath<1> {
public:
LIR_HEADER(ModI);
LModI(const LAllocation& lhs, const LAllocation& rhs,
const LDefinition& callTemp)
: LBinaryMath(classOpcode) {
setOperand(0, lhs);
setOperand(1, rhs);
setTemp(0, callTemp);
}
const LDefinition* callTemp() { return getTemp(0); }
MMod* mir() const { return mir_->toMod(); }
};
class LModPowTwoI : public LInstructionHelper<1, 1, 0> {
const int32_t shift_;
public:
LIR_HEADER(ModPowTwoI);
LModPowTwoI(const LAllocation& lhs, int32_t shift)
: LInstructionHelper(classOpcode), shift_(shift) {
setOperand(0, lhs);
}
int32_t shift() const { return shift_; }
MMod* mir() const { return mir_->toMod(); }
};
class LModMaskI : public LInstructionHelper<1, 1, 2> {
const int32_t shift_;
public:
LIR_HEADER(ModMaskI);
LModMaskI(const LAllocation& lhs, const LDefinition& temp0,
const LDefinition& temp1, int32_t shift)
: LInstructionHelper(classOpcode), shift_(shift) {
setOperand(0, lhs);
setTemp(0, temp0);
setTemp(1, temp1);
}
int32_t shift() const { return shift_; }
MMod* mir() const { return mir_->toMod(); }
};
// Takes a tableswitch with an integer to decide
class LTableSwitch : public LInstructionHelper<0, 1, 2> {
public:
LIR_HEADER(TableSwitch);
LTableSwitch(const LAllocation& in, const LDefinition& inputCopy,
const LDefinition& jumpTablePointer, MTableSwitch* ins)
: LInstructionHelper(classOpcode) {
setOperand(0, in);
setTemp(0, inputCopy);
setTemp(1, jumpTablePointer);
setMir(ins);
}
MTableSwitch* mir() const { return mir_->toTableSwitch(); }
const LAllocation* index() { return getOperand(0); }
const LDefinition* tempInt() { return getTemp(0); }
// This is added to share the same CodeGenerator prefixes.
const LDefinition* tempPointer() { return getTemp(1); }
};
// Takes a tableswitch with an integer to decide
class LTableSwitchV : public LInstructionHelper<0, BOX_PIECES, 3> {
public:
LIR_HEADER(TableSwitchV);
LTableSwitchV(const LBoxAllocation& input, const LDefinition& inputCopy,
const LDefinition& floatCopy,
const LDefinition& jumpTablePointer, MTableSwitch* ins)
: LInstructionHelper(classOpcode) {
setBoxOperand(InputValue, input);
setTemp(0, inputCopy);
setTemp(1, floatCopy);
setTemp(2, jumpTablePointer);
setMir(ins);
}
MTableSwitch* mir() const { return mir_->toTableSwitch(); }
static const size_t InputValue = 0;
const LDefinition* tempInt() { return getTemp(0); }
const LDefinition* tempFloat() { return getTemp(1); }
const LDefinition* tempPointer() { return getTemp(2); }
};
class LMulI : public LBinaryMath<0> {
public:
LIR_HEADER(MulI);
LMulI() : LBinaryMath(classOpcode) {}
MMul* mir() { return mir_->toMul(); }
};
class LUDivOrMod : public LBinaryMath<0> {
public:
LIR_HEADER(UDivOrMod);
LUDivOrMod() : LBinaryMath(classOpcode) {}
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 trapOnError() const {
if (mir_->isMod()) {
return mir_->toMod()->trapOnError();
}
return mir_->toDiv()->trapOnError();
}
wasm::BytecodeOffset bytecodeOffset() const {
MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
if (mir_->isMod()) {
return mir_->toMod()->bytecodeOffset();
}
return mir_->toDiv()->bytecodeOffset();
}
};
namespace details {
// Base class for the int64 and non-int64 variants.
template <size_t NumDefs>
class LWasmUnalignedLoadBase : public details::LWasmLoadBase<NumDefs, 2> {
public:
typedef LWasmLoadBase<NumDefs, 2> Base;
explicit LWasmUnalignedLoadBase(LNode::Opcode opcode, const LAllocation& ptr,
const LDefinition& valueHelper)
: Base(opcode, ptr, LAllocation()) {
Base::setTemp(0, LDefinition::BogusTemp());
Base::setTemp(1, valueHelper);
}
const LAllocation* ptr() { return Base::getOperand(0); }
const LDefinition* ptrCopy() { return Base::getTemp(0); }
};
} // namespace details
class LWasmUnalignedLoad : public details::LWasmUnalignedLoadBase<1> {
public:
LIR_HEADER(WasmUnalignedLoad);
explicit LWasmUnalignedLoad(const LAllocation& ptr,
const LDefinition& valueHelper)
: LWasmUnalignedLoadBase(classOpcode, ptr, valueHelper) {}
};
class LWasmUnalignedLoadI64
: public details::LWasmUnalignedLoadBase<INT64_PIECES> {
public:
LIR_HEADER(WasmUnalignedLoadI64);
explicit LWasmUnalignedLoadI64(const LAllocation& ptr,
const LDefinition& valueHelper)
: LWasmUnalignedLoadBase(classOpcode, ptr, valueHelper) {}
};
namespace details {
// Base class for the int64 and non-int64 variants.
template <size_t NumOps>
class LWasmUnalignedStoreBase : public LInstructionHelper<0, NumOps, 2> {
public:
typedef LInstructionHelper<0, NumOps, 2> Base;
static const size_t PtrIndex = 0;
static const size_t ValueIndex = 1;
LWasmUnalignedStoreBase(LNode::Opcode opcode, const LAllocation& ptr,
const LDefinition& valueHelper)
: Base(opcode) {
Base::setOperand(0, ptr);
Base::setTemp(0, LDefinition::BogusTemp());
Base::setTemp(1, valueHelper);
}
MWasmStore* mir() const { return Base::mir_->toWasmStore(); }
const LAllocation* ptr() { return Base::getOperand(PtrIndex); }
const LDefinition* ptrCopy() { return Base::getTemp(0); }
};
} // namespace details
class LWasmUnalignedStore : public details::LWasmUnalignedStoreBase<2> {
public:
LIR_HEADER(WasmUnalignedStore);
LWasmUnalignedStore(const LAllocation& ptr, const LAllocation& value,
const LDefinition& valueHelper)
: LWasmUnalignedStoreBase(classOpcode, ptr, valueHelper) {
setOperand(1, value);
}
const LAllocation* value() { return Base::getOperand(ValueIndex); }
};
class LWasmUnalignedStoreI64
: public details::LWasmUnalignedStoreBase<1 + INT64_PIECES> {
public:
LIR_HEADER(WasmUnalignedStoreI64);
LWasmUnalignedStoreI64(const LAllocation& ptr, const LInt64Allocation& value,
const LDefinition& valueHelper)
: LWasmUnalignedStoreBase(classOpcode, ptr, valueHelper) {
setInt64Operand(1, value);
}
const LInt64Allocation value() { return getInt64Operand(ValueIndex); }
};
class LWasmCompareExchangeI64
: public LInstructionHelper<INT64_PIECES, 1 + INT64_PIECES + INT64_PIECES,
0> {
public:
LIR_HEADER(WasmCompareExchangeI64);
LWasmCompareExchangeI64(const LAllocation& ptr,
const LInt64Allocation& oldValue,
const LInt64Allocation& newValue)
: LInstructionHelper(classOpcode) {
setOperand(0, ptr);
setInt64Operand(1, oldValue);
setInt64Operand(1 + INT64_PIECES, newValue);
}
const LAllocation* ptr() { return getOperand(0); }
const LInt64Allocation oldValue() { return getInt64Operand(1); }
const LInt64Allocation newValue() {
return getInt64Operand(1 + INT64_PIECES);
}
const MWasmCompareExchangeHeap* mir() const {
return mir_->toWasmCompareExchangeHeap();
}
};
class LWasmAtomicExchangeI64
: public LInstructionHelper<INT64_PIECES, 1 + INT64_PIECES, 0> {
public:
LIR_HEADER(WasmAtomicExchangeI64);
LWasmAtomicExchangeI64(const LAllocation& ptr, const LInt64Allocation& value)
: LInstructionHelper(classOpcode) {
setOperand(0, ptr);
setInt64Operand(1, value);
}
const LAllocation* ptr() { return getOperand(0); }
const LInt64Allocation value() { return getInt64Operand(1); }
const MWasmAtomicExchangeHeap* mir() const {
return mir_->toWasmAtomicExchangeHeap();
}
};
class LWasmAtomicBinopI64
: public LInstructionHelper<INT64_PIECES, 1 + INT64_PIECES, 2> {
public:
LIR_HEADER(WasmAtomicBinopI64);
LWasmAtomicBinopI64(const LAllocation& ptr, const LInt64Allocation& value)
: LInstructionHelper(classOpcode) {
setOperand(0, ptr);
setInt64Operand(1, value);
}
const LAllocation* ptr() { return getOperand(0); }
const LInt64Allocation value() { return getInt64Operand(1); }
const MWasmAtomicBinopHeap* mir() const {
return mir_->toWasmAtomicBinopHeap();
}
};
} // namespace jit
} // namespace js
#endif /* jit_mips_shared_LIR_mips_shared_h */