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diff --git a/js/src/jit/arm/LIR-arm.h b/js/src/jit/arm/LIR-arm.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_arm_LIR_arm_h
+#define jit_arm_LIR_arm_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_); }
+};
+
+// Convert a 32-bit unsigned integer to a double.
+class LWasmUint32ToDouble : public LInstructionHelper<1, 1, 0> {
+ public:
+ LIR_HEADER(WasmUint32ToDouble)
+
+ explicit 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)
+
+ explicit 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 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();
+ }
+};
+
+// LSoftDivI is a software divide for ARM cores that don't support a hardware
+// divide instruction, implemented as a C++ native call.
+class LSoftDivI : public LBinaryCallInstructionHelper<1, 0> {
+ public:
+ LIR_HEADER(SoftDivI);
+
+ LSoftDivI(const LAllocation& lhs, const LAllocation& rhs)
+ : LBinaryCallInstructionHelper(classOpcode) {
+ setOperand(0, lhs);
+ setOperand(1, rhs);
+ }
+
+ MDiv* mir() const { return mir_->toDiv(); }
+};
+
+class LDivPowTwoI : public LInstructionHelper<1, 1, 0> {
+ const int32_t shift_;
+
+ public:
+ LIR_HEADER(DivPowTwoI)
+
+ LDivPowTwoI(const LAllocation& lhs, int32_t shift)
+ : LInstructionHelper(classOpcode), shift_(shift) {
+ setOperand(0, lhs);
+ }
+
+ const LAllocation* numerator() { return getOperand(0); }
+
+ int32_t shift() { return shift_; }
+
+ MDiv* mir() const { return mir_->toDiv(); }
+};
+
+class LModI : public LBinaryMath<0> {
+ public:
+ LIR_HEADER(ModI);
+
+ LModI(const LAllocation& lhs, const LAllocation& rhs)
+ : LBinaryMath(classOpcode) {
+ setOperand(0, lhs);
+ setOperand(1, rhs);
+ }
+
+ MMod* mir() const { return mir_->toMod(); }
+};
+
+class LSoftModI : public LBinaryCallInstructionHelper<1, 1> {
+ public:
+ LIR_HEADER(SoftModI);
+
+ LSoftModI(const LAllocation& lhs, const LAllocation& rhs,
+ const LDefinition& temp)
+ : LBinaryCallInstructionHelper(classOpcode) {
+ setOperand(0, lhs);
+ setOperand(1, rhs);
+ setTemp(0, temp);
+ }
+
+ 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);
+ int32_t shift() { return shift_; }
+
+ LModPowTwoI(const LAllocation& lhs, int32_t shift)
+ : LInstructionHelper(classOpcode), shift_(shift) {
+ setOperand(0, lhs);
+ }
+
+ 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& temp1,
+ const LDefinition& temp2, int32_t shift)
+ : LInstructionHelper(classOpcode), shift_(shift) {
+ setOperand(0, lhs);
+ setTemp(0, temp1);
+ setTemp(1, temp2);
+ }
+
+ 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, 1> {
+ public:
+ LIR_HEADER(TableSwitch);
+
+ LTableSwitch(const LAllocation& in, const LDefinition& inputCopy,
+ MTableSwitch* ins)
+ : LInstructionHelper(classOpcode) {
+ setOperand(0, in);
+ setTemp(0, inputCopy);
+ 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 nullptr; }
+};
+
+// Takes a tableswitch with an integer to decide.
+class LTableSwitchV : public LInstructionHelper<0, BOX_PIECES, 2> {
+ public:
+ LIR_HEADER(TableSwitchV);
+
+ LTableSwitchV(const LBoxAllocation& input, const LDefinition& inputCopy,
+ const LDefinition& floatCopy, MTableSwitch* ins)
+ : LInstructionHelper(classOpcode) {
+ setBoxOperand(InputValue, input);
+ setTemp(0, inputCopy);
+ setTemp(1, floatCopy);
+ 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 nullptr; }
+};
+
+class LMulI : public LBinaryMath<0> {
+ public:
+ LIR_HEADER(MulI);
+
+ LMulI() : LBinaryMath(classOpcode) {}
+
+ MMul* mir() { return mir_->toMul(); }
+};
+
+class LUDiv : public LBinaryMath<0> {
+ public:
+ LIR_HEADER(UDiv);
+
+ LUDiv() : LBinaryMath(classOpcode) {}
+
+ MDiv* mir() { return mir_->toDiv(); }
+};
+
+class LUMod : public LBinaryMath<0> {
+ public:
+ LIR_HEADER(UMod);
+
+ LUMod() : LBinaryMath(classOpcode) {}
+
+ MMod* mir() { return mir_->toMod(); }
+};
+
+class LSoftUDivOrMod : public LBinaryCallInstructionHelper<1, 0> {
+ public:
+ LIR_HEADER(SoftUDivOrMod);
+
+ LSoftUDivOrMod(const LAllocation& lhs, const LAllocation& rhs)
+ : LBinaryCallInstructionHelper(classOpcode) {
+ setOperand(0, lhs);
+ setOperand(1, rhs);
+ }
+
+ MInstruction* mir() { return mir_->toInstruction(); }
+};
+
+class LWasmTruncateToInt64 : public LCallInstructionHelper<INT64_PIECES, 2, 0> {
+ static const size_t Input = 0;
+ static const size_t Instance = 1;
+
+ public:
+ LIR_HEADER(WasmTruncateToInt64);
+
+ LWasmTruncateToInt64(const LAllocation& in, const LAllocation& instance)
+ : LCallInstructionHelper(classOpcode) {
+ setOperand(Input, in);
+ setOperand(Instance, instance);
+ }
+
+ LAllocation* input() { return getOperand(Input); }
+ LAllocation* instance() { return getOperand(Instance); }
+
+ MWasmBuiltinTruncateToInt64* mir() const {
+ return mir_->toWasmBuiltinTruncateToInt64();
+ }
+};
+
+class LInt64ToFloatingPointCall
+ : public LCallInstructionHelper<1, INT64_PIECES + 1, 0> {
+ public:
+ LIR_HEADER(Int64ToFloatingPointCall);
+
+ static const size_t Input = 0;
+ static const size_t Instance = INT64_PIECES;
+
+ LInt64ToFloatingPointCall(const LInt64Allocation& in,
+ const LAllocation& instance)
+ : LCallInstructionHelper(classOpcode) {
+ setInt64Operand(Input, in);
+ setOperand(Instance, instance);
+ }
+
+ LAllocation* input() { return getOperand(Input); }
+ LAllocation* instance() { return getOperand(Instance); }
+
+ MBuiltinInt64ToFloatingPoint* mir() const {
+ return mir_->toBuiltinInt64ToFloatingPoint();
+ }
+};
+
+class LWasmAtomicLoadI64 : public LInstructionHelper<INT64_PIECES, 2, 0> {
+ public:
+ LIR_HEADER(WasmAtomicLoadI64);
+
+ explicit LWasmAtomicLoadI64(const LAllocation& ptr,
+ const LAllocation& memoryBase)
+ : LInstructionHelper(classOpcode) {
+ setOperand(0, ptr);
+ setOperand(1, memoryBase);
+ }
+
+ MWasmLoad* mir() const { return mir_->toWasmLoad(); }
+ const LAllocation* ptr() { return getOperand(0); }
+ const LAllocation* memoryBase() { return getOperand(1); }
+};
+
+class LWasmAtomicStoreI64 : public LInstructionHelper<0, 2 + INT64_PIECES, 2> {
+ public:
+ LIR_HEADER(WasmAtomicStoreI64);
+
+ LWasmAtomicStoreI64(const LAllocation& ptr, const LInt64Allocation& value,
+ const LAllocation& memoryBase, const LDefinition& tmpLow,
+ const LDefinition& tmpHigh)
+ : LInstructionHelper(classOpcode) {
+ setOperand(0, ptr);
+ setInt64Operand(1, value);
+ setOperand(3, memoryBase);
+ setTemp(0, tmpLow);
+ setTemp(1, tmpHigh);
+ }
+
+ MWasmStore* mir() const { return mir_->toWasmStore(); }
+ const LAllocation* ptr() { return getOperand(0); }
+ const LInt64Allocation value() { return getInt64Operand(1); }
+ const LAllocation* memoryBase() { return getOperand(3); }
+ const LDefinition* tmpLow() { return getTemp(0); }
+ const LDefinition* tmpHigh() { return getTemp(1); }
+};
+
+class LWasmCompareExchangeI64
+ : public LInstructionHelper<INT64_PIECES, 2 + 2 * INT64_PIECES, 0> {
+ public:
+ LIR_HEADER(WasmCompareExchangeI64);
+
+ LWasmCompareExchangeI64(const LAllocation& ptr,
+ const LInt64Allocation& expected,
+ const LInt64Allocation& replacement,
+ const LAllocation& memoryBase)
+ : LInstructionHelper(classOpcode) {
+ setOperand(0, ptr);
+ setInt64Operand(1, expected);
+ setInt64Operand(1 + INT64_PIECES, replacement);
+ setOperand(1 + 2 * INT64_PIECES, memoryBase);
+ }
+
+ MWasmCompareExchangeHeap* mir() const {
+ return mir_->toWasmCompareExchangeHeap();
+ }
+ const LAllocation* ptr() { return getOperand(0); }
+ const LInt64Allocation expected() { return getInt64Operand(1); }
+ const LInt64Allocation replacement() {
+ return getInt64Operand(1 + INT64_PIECES);
+ }
+ const LAllocation* memoryBase() { return getOperand(1 + 2 * INT64_PIECES); }
+};
+
+class LWasmAtomicBinopI64
+ : public LInstructionHelper<INT64_PIECES, 2 + INT64_PIECES, 2> {
+ const wasm::MemoryAccessDesc& access_;
+ AtomicOp op_;
+
+ public:
+ LIR_HEADER(WasmAtomicBinopI64);
+
+ LWasmAtomicBinopI64(const LAllocation& ptr, const LInt64Allocation& value,
+ const LAllocation& memoryBase, const LDefinition& tmpLow,
+ const LDefinition& tmpHigh,
+ const wasm::MemoryAccessDesc& access, AtomicOp op)
+ : LInstructionHelper(classOpcode), access_(access), op_(op) {
+ setOperand(0, ptr);
+ setInt64Operand(1, value);
+ setOperand(3, memoryBase);
+ setTemp(0, tmpLow);
+ setTemp(1, tmpHigh);
+ }
+
+ const LAllocation* ptr() { return getOperand(0); }
+ const LInt64Allocation value() { return getInt64Operand(1); }
+ const LAllocation* memoryBase() { return getOperand(3); }
+ const wasm::MemoryAccessDesc& access() { return access_; }
+ AtomicOp operation() const { return op_; }
+ const LDefinition* tmpLow() { return getTemp(0); }
+ const LDefinition* tmpHigh() { return getTemp(1); }
+};
+
+class LWasmAtomicExchangeI64
+ : public LInstructionHelper<INT64_PIECES, 2 + INT64_PIECES, 0> {
+ const wasm::MemoryAccessDesc& access_;
+
+ public:
+ LIR_HEADER(WasmAtomicExchangeI64);
+
+ LWasmAtomicExchangeI64(const LAllocation& ptr, const LInt64Allocation& value,
+ const LAllocation& memoryBase,
+ const wasm::MemoryAccessDesc& access)
+ : LInstructionHelper(classOpcode), access_(access) {
+ setOperand(0, ptr);
+ setInt64Operand(1, value);
+ setOperand(3, memoryBase);
+ }
+
+ const LAllocation* ptr() { return getOperand(0); }
+ const LInt64Allocation value() { return getInt64Operand(1); }
+ const LAllocation* memoryBase() { return getOperand(3); }
+ const wasm::MemoryAccessDesc& access() { return access_; }
+};
+
+} // namespace jit
+} // namespace js
+
+#endif /* jit_arm_LIR_arm_h */