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https://gitee.com/openharmony/arkcompiler_runtime_core
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c658ccf319
Issue: https://gitee.com/openharmony/arkcompiler_runtime_core/issues/I5G96F Test: Test262 suit, ark unittest, rk3568 XTS, ark previewer demo Signed-off-by: huangyu <huangyu76@huawei.com> Change-Id: I3f63d129a07deaa27a390f556dcaa5651c098185
72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/**
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* Copyright (c) 2021-2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef PANDA_BYTECODE_OPTIMIZER_BYTECODE_ENCODER_H
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#define PANDA_BYTECODE_OPTIMIZER_BYTECODE_ENCODER_H
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#include <stdint.h>
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#include "compiler/optimizer/code_generator/encode.h"
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namespace panda::bytecodeopt {
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class BytecodeEncoder final : public compiler::Encoder {
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public:
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explicit BytecodeEncoder(ArenaAllocator *allocator) : Encoder(allocator, Arch::NONE) {}
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void Finalize() override {};
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static bool CanEncodeImmHelper(int64_t imm, uint32_t size, int64_t min, int64_t max)
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{
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constexpr uint8_t HALF_SIZE = 32;
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if (size != HALF_SIZE) {
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return false;
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}
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return imm >= min && imm <= max;
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}
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bool CanEncodeImmAddSubCmp(int64_t imm, uint32_t size, [[maybe_unused]] bool signed_compare) override
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{
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return CanEncodeImmHelper(imm, size, INT8_MIN, INT8_MAX);
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}
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bool CanEncodeImmMulDivMod(uint64_t imm, uint32_t size) override
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{
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return CanEncodeImmAddSubCmp(imm, size, false);
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}
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bool CanEncodeImmLogical(uint64_t imm, uint32_t size) override
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{
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return CanEncodeImmHelper(imm, size, INT32_MIN, INT32_MAX);
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}
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bool CanEncodeShift(uint32_t size) override
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{
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constexpr uint32_t UNSUPPORTED_SHIFT_SIZE = 64;
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return size != UNSUPPORTED_SHIFT_SIZE;
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}
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size_t GetLabelAddress(compiler::LabelHolder::LabelId) override
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{
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return 0;
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}
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bool LabelHasLinks(compiler::LabelHolder::LabelId) override
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{
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return false;
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}
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}; // BytecodeEncoder
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} // namespace panda::bytecodeopt
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#endif // PANDA_BYTECODE_OPTIMIZER_BYTECODE_ENCODER_H
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