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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /js/src/jit/mips-shared/LIR-mips-shared.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/jit/mips-shared/LIR-mips-shared.h | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/js/src/jit/mips-shared/LIR-mips-shared.h b/js/src/jit/mips-shared/LIR-mips-shared.h new file mode 100644 index 0000000000..624e9eb6a7 --- /dev/null +++ b/js/src/jit/mips-shared/LIR-mips-shared.h @@ -0,0 +1,360 @@ +/* -*- 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 */ |