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/arm64/LIR-arm64.h | 373 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 373 insertions(+) create mode 100644 js/src/jit/arm64/LIR-arm64.h (limited to 'js/src/jit/arm64/LIR-arm64.h') diff --git a/js/src/jit/arm64/LIR-arm64.h b/js/src/jit/arm64/LIR-arm64.h new file mode 100644 index 0000000000..d825209b1e --- /dev/null +++ b/js/src/jit/arm64/LIR-arm64.h @@ -0,0 +1,373 @@ +/* -*- 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_arm64_LIR_arm64_h +#define jit_arm64_LIR_arm64_h + +namespace js { +namespace jit { + +class LUnboxBase : public LInstructionHelper<1, 1, 0> { + public: + LUnboxBase(LNode::Opcode opcode, const LAllocation& input) + : LInstructionHelper(opcode) { + setOperand(0, input); + } + + static const size_t Input = 0; + + MUnbox* mir() const { return mir_->toUnbox(); } +}; + +class LUnbox : public LUnboxBase { + public: + LIR_HEADER(Unbox); + + explicit LUnbox(const LAllocation& input) : LUnboxBase(classOpcode, input) {} + + const char* extraName() const { return StringFromMIRType(mir()->type()); } +}; + +class LUnboxFloatingPoint : public LUnboxBase { + MIRType type_; + + public: + LIR_HEADER(UnboxFloatingPoint); + + LUnboxFloatingPoint(const LAllocation& input, MIRType type) + : LUnboxBase(classOpcode, input), type_(type) {} + + 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 LDivPowTwoI : public LInstructionHelper<1, 1, 0> { + const int32_t shift_; + const bool negativeDivisor_; + + public: + LIR_HEADER(DivPowTwoI) + + LDivPowTwoI(const LAllocation& lhs, int32_t shift, bool negativeDivisor) + : LInstructionHelper(classOpcode), + shift_(shift), + negativeDivisor_(negativeDivisor) { + setOperand(0, lhs); + } + + const LAllocation* numerator() { return getOperand(0); } + + int32_t shift() { return shift_; } + bool negativeDivisor() { return negativeDivisor_; } + + MDiv* mir() const { return mir_->toDiv(); } +}; + +class LDivConstantI : public LInstructionHelper<1, 1, 1> { + const int32_t denominator_; + + public: + LIR_HEADER(DivConstantI) + + LDivConstantI(const LAllocation& lhs, int32_t denominator, + const LDefinition& temp) + : LInstructionHelper(classOpcode), denominator_(denominator) { + setOperand(0, lhs); + setTemp(0, temp); + } + + const LAllocation* numerator() { return getOperand(0); } + const LDefinition* temp() { return getTemp(0); } + int32_t denominator() const { return denominator_; } + MDiv* mir() const { return mir_->toDiv(); } + bool canBeNegativeDividend() const { return mir()->canBeNegativeDividend(); } +}; + +class LUDivConstantI : public LInstructionHelper<1, 1, 1> { + const int32_t denominator_; + + public: + LIR_HEADER(UDivConstantI) + + LUDivConstantI(const LAllocation& lhs, int32_t denominator, + const LDefinition& temp) + : LInstructionHelper(classOpcode), denominator_(denominator) { + setOperand(0, lhs); + setTemp(0, temp); + } + + const LAllocation* numerator() { return getOperand(0); } + const LDefinition* temp() { return getTemp(0); } + int32_t denominator() const { return denominator_; } + 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 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, 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 LUDiv : public LBinaryMath<1> { + public: + LIR_HEADER(UDiv); + + LUDiv(const LAllocation& lhs, const LAllocation& rhs, + const LDefinition& remainder) + : LBinaryMath(classOpcode) { + setOperand(0, lhs); + setOperand(1, rhs); + setTemp(0, remainder); + } + + const LDefinition* remainder() { return getTemp(0); } + + MDiv* mir() { return mir_->toDiv(); } +}; + +class LUMod : public LBinaryMath<0> { + public: + LIR_HEADER(UMod); + + LUMod(const LAllocation& lhs, const LAllocation& rhs) + : LBinaryMath(classOpcode) { + setOperand(0, lhs); + setOperand(1, rhs); + } + + MMod* mir() { return mir_->toMod(); } +}; + +class LInt64ToFloatingPoint : public LInstructionHelper<1, 1, 0> { + public: + LIR_HEADER(Int64ToFloatingPoint); + + explicit LInt64ToFloatingPoint(const LInt64Allocation& in) + : LInstructionHelper(classOpcode) { + setInt64Operand(0, in); + } + + MInt64ToFloatingPoint* mir() const { return mir_->toInt64ToFloatingPoint(); } +}; + +class LWasmTruncateToInt64 : public LInstructionHelper<1, 1, 0> { + public: + LIR_HEADER(WasmTruncateToInt64); + + explicit LWasmTruncateToInt64(const LAllocation& in) + : LInstructionHelper(classOpcode) { + setOperand(0, in); + } + + MWasmTruncateToInt64* mir() const { return mir_->toWasmTruncateToInt64(); } +}; + +class LDivOrModI64 : public LBinaryMath<0> { + public: + LIR_HEADER(DivOrModI64) + + LDivOrModI64(const LAllocation& lhs, const LAllocation& rhs) + : LBinaryMath(classOpcode) { + setOperand(0, lhs); + setOperand(1, rhs); + } + + MBinaryArithInstruction* mir() const { + MOZ_ASSERT(mir_->isDiv() || mir_->isMod()); + return static_cast(mir_); + } + + bool canBeDivideByZero() const { + if (mir_->isMod()) { + return mir_->toMod()->canBeDivideByZero(); + } + return mir_->toDiv()->canBeDivideByZero(); + } + bool canBeNegativeOverflow() const { + if (mir_->isMod()) { + return mir_->toMod()->canBeNegativeDividend(); + } + return mir_->toDiv()->canBeNegativeOverflow(); + } + wasm::BytecodeOffset bytecodeOffset() const { + MOZ_ASSERT(mir_->isDiv() || mir_->isMod()); + if (mir_->isMod()) { + return mir_->toMod()->bytecodeOffset(); + } + return mir_->toDiv()->bytecodeOffset(); + } +}; + +class LUDivOrModI64 : public LBinaryMath<0> { + public: + LIR_HEADER(UDivOrModI64); + + LUDivOrModI64(const LAllocation& lhs, const LAllocation& rhs) + : LBinaryMath(classOpcode) { + setOperand(0, lhs); + setOperand(1, rhs); + } + + const char* extraName() const { + return mir()->isTruncated() ? "Truncated" : nullptr; + } + + MBinaryArithInstruction* mir() const { + MOZ_ASSERT(mir_->isDiv() || mir_->isMod()); + return static_cast(mir_); + } + bool canBeDivideByZero() const { + if (mir_->isMod()) { + return mir_->toMod()->canBeDivideByZero(); + } + return mir_->toDiv()->canBeDivideByZero(); + } + wasm::BytecodeOffset bytecodeOffset() const { + MOZ_ASSERT(mir_->isDiv() || mir_->isMod()); + if (mir_->isMod()) { + return mir_->toMod()->bytecodeOffset(); + } + return mir_->toDiv()->bytecodeOffset(); + } +}; + +} // namespace jit +} // namespace js + +#endif /* jit_arm64_LIR_arm64_h */ -- cgit v1.2.3