From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- js/src/jit/x86/LIR-x86.h | 308 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 308 insertions(+) create mode 100644 js/src/jit/x86/LIR-x86.h (limited to 'js/src/jit/x86/LIR-x86.h') diff --git a/js/src/jit/x86/LIR-x86.h b/js/src/jit/x86/LIR-x86.h new file mode 100644 index 0000000000..c7c9587e20 --- /dev/null +++ b/js/src/jit/x86/LIR-x86.h @@ -0,0 +1,308 @@ +/* -*- 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_x86_LIR_x86_h +#define jit_x86_LIR_x86_h + +namespace js { +namespace jit { + +class LBoxFloatingPoint : public LInstructionHelper<2, 1, 2> { + MIRType type_; + + public: + LIR_HEADER(BoxFloatingPoint); + + LBoxFloatingPoint(const LAllocation& in, const LDefinition& temp, + const LDefinition& spectreTemp, MIRType type) + : LInstructionHelper(classOpcode), type_(type) { + MOZ_ASSERT(IsFloatingPointType(type)); + setOperand(0, in); + setTemp(0, temp); + setTemp(1, spectreTemp); + } + + const LDefinition* spectreTemp() { return getTemp(1); } + + 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, 1> { + public: + LIR_HEADER(WasmUint32ToDouble) + + LWasmUint32ToDouble(const LAllocation& input, const LDefinition& temp) + : LInstructionHelper(classOpcode) { + setOperand(0, input); + setTemp(0, temp); + } + const LDefinition* temp() { return getTemp(0); } +}; + +// Convert a 32-bit unsigned integer to a float32. +class LWasmUint32ToFloat32 : public LInstructionHelper<1, 1, 1> { + public: + LIR_HEADER(WasmUint32ToFloat32) + + LWasmUint32ToFloat32(const LAllocation& input, const LDefinition& temp) + : LInstructionHelper(classOpcode) { + setOperand(0, input); + setTemp(0, temp); + } + const LDefinition* temp() { return getTemp(0); } +}; + +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(); + } +}; + +class LWasmTruncateToInt64 : public LInstructionHelper { + public: + LIR_HEADER(WasmTruncateToInt64); + + LWasmTruncateToInt64(const LAllocation& in, const LDefinition& temp) + : LInstructionHelper(classOpcode) { + setOperand(0, in); + setTemp(0, temp); + } + + MWasmTruncateToInt64* mir() const { return mir_->toWasmTruncateToInt64(); } + + const LDefinition* temp() { return getTemp(0); } +}; + +class LWasmAtomicLoadI64 : public LInstructionHelper { + public: + LIR_HEADER(WasmAtomicLoadI64); + + LWasmAtomicLoadI64(const LAllocation& memoryBase, const LAllocation& ptr, + const LDefinition& t1, const LDefinition& t2) + : LInstructionHelper(classOpcode) { + setOperand(0, memoryBase); + setOperand(1, ptr); + setTemp(0, t1); + setTemp(1, t2); + } + + MWasmLoad* mir() const { return mir_->toWasmLoad(); } + const LAllocation* memoryBase() { return getOperand(0); } + const LAllocation* ptr() { return getOperand(1); } + const LDefinition* t1() { return getTemp(0); } + const LDefinition* t2() { return getTemp(1); } +}; + +class LWasmAtomicStoreI64 : public LInstructionHelper<0, 2 + INT64_PIECES, 2> { + public: + LIR_HEADER(WasmAtomicStoreI64); + + LWasmAtomicStoreI64(const LAllocation& memoryBase, const LAllocation& ptr, + const LInt64Allocation& value, const LDefinition& t1, + const LDefinition& t2) + : LInstructionHelper(classOpcode) { + setOperand(0, memoryBase); + setOperand(1, ptr); + setInt64Operand(2, value); + setTemp(0, t1); + setTemp(1, t2); + } + + MWasmStore* mir() const { return mir_->toWasmStore(); } + const LAllocation* memoryBase() { return getOperand(0); } + const LAllocation* ptr() { return getOperand(1); } + const LInt64Allocation value() { return getInt64Operand(2); } + const LDefinition* t1() { return getTemp(0); } + const LDefinition* t2() { return getTemp(1); } +}; + +class LWasmCompareExchangeI64 + : public LInstructionHelper { + public: + LIR_HEADER(WasmCompareExchangeI64); + + LWasmCompareExchangeI64(const LAllocation& memoryBase, const LAllocation& ptr, + const LInt64Allocation& expected, + const LInt64Allocation& replacement) + : LInstructionHelper(classOpcode) { + setOperand(0, memoryBase); + setOperand(1, ptr); + setInt64Operand(2, expected); + setInt64Operand(2 + INT64_PIECES, replacement); + } + + MWasmCompareExchangeHeap* mir() const { + return mir_->toWasmCompareExchangeHeap(); + } + const LAllocation* memoryBase() { return getOperand(0); } + const LAllocation* ptr() { return getOperand(1); } + const LInt64Allocation expected() { return getInt64Operand(2); } + const LInt64Allocation replacement() { + return getInt64Operand(2 + INT64_PIECES); + } +}; + +class LWasmAtomicExchangeI64 + : public LInstructionHelper { + const wasm::MemoryAccessDesc& access_; + + public: + LIR_HEADER(WasmAtomicExchangeI64); + + LWasmAtomicExchangeI64(const LAllocation& memoryBase, const LAllocation& ptr, + const LInt64Allocation& value, + const wasm::MemoryAccessDesc& access) + : LInstructionHelper(classOpcode), access_(access) { + setOperand(0, memoryBase); + setOperand(1, ptr); + setInt64Operand(2, value); + } + + const LAllocation* memoryBase() { return getOperand(0); } + const LAllocation* ptr() { return getOperand(1); } + const LInt64Allocation value() { return getInt64Operand(2); } + const wasm::MemoryAccessDesc& access() { return access_; } +}; + +class LWasmAtomicBinopI64 + : public LInstructionHelper { + const wasm::MemoryAccessDesc& access_; + AtomicOp op_; + + public: + LIR_HEADER(WasmAtomicBinopI64); + + LWasmAtomicBinopI64(const LAllocation& memoryBase, const LAllocation& ptr, + const LInt64Allocation& value, + const wasm::MemoryAccessDesc& access, AtomicOp op) + : LInstructionHelper(classOpcode), access_(access), op_(op) { + setOperand(0, memoryBase); + setOperand(1, ptr); + setInt64Operand(2, value); + } + + const LAllocation* memoryBase() { return getOperand(0); } + const LAllocation* ptr() { return getOperand(1); } + const LInt64Allocation value() { return getInt64Operand(2); } + const wasm::MemoryAccessDesc& access() { return access_; } + AtomicOp operation() const { return op_; } +}; + +} // namespace jit +} // namespace js + +#endif /* jit_x86_LIR_x86_h */ -- cgit v1.2.3