From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- js/src/jit/arm/LIR-arm.h | 526 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 526 insertions(+) create mode 100644 js/src/jit/arm/LIR-arm.h (limited to 'js/src/jit/arm/LIR-arm.h') diff --git a/js/src/jit/arm/LIR-arm.h b/js/src/jit/arm/LIR-arm.h new file mode 100644 index 0000000000..46fef9fdfa --- /dev/null +++ b/js/src/jit/arm/LIR-arm.h @@ -0,0 +1,526 @@ +/* -*- 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 { + 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 { + 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 { + 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 { + 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 { + 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 { + 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 { + 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 */ -- cgit v1.2.3