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diff --git a/js/src/jit/mips-shared/LIR-mips-shared.h b/js/src/jit/mips-shared/LIR-mips-shared.h
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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 */