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# Fixed
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## 简介
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## 简介
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Fixed circuit是在电路初始化阶段预先向fixed_table填入一些cell数据，在后续电路运行过程中进行lookup查表操作；
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Fixed circuit是在电路初始化阶段预先向fixed_table填入一些cell数据，在后续电路运行过程中进行lookup查表操作；
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| ... | @@ -60,24 +62,24 @@ pub enum Tag { |
... | @@ -60,24 +62,24 @@ pub enum Tag { |
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###### Fixed电路为不同的场景生成多行Row数据，将它填入Fixed_table表后示例如下：
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###### Fixed电路为不同的场景生成多行Row数据，将它填入Fixed_table表后示例如下：
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| tag | value_0 | value_1 | value_2 |
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| tag | value_0 | value_1 | value_2 |
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----|----|----|-----|
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| -------- | ----------------- | ------- | ------- |
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| And | 0 | 0 | 0 |
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| And | 0 | 0 | 0 |
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| And | 0 | 1 | 0 |
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| And | 0 | 1 | 0 |
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| And | ...| ...| ...|
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| And | ... | ... | ... |
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| And | 255 | 0 | 0 |
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| And | 255 | 0 | 0 |
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| And | 255 | 1 | 1 |
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| And | 255 | 1 | 1 |
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| Or | 0 | 0 | 0 |
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| Or | 0 | 0 | 0 |
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| Or | 0 | 1 | 1 |
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| Or | 0 | 1 | 1 |
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| Or | ...| ...| ...|
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| Or | ... | ... | ... |
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| Or | 255 | 0 | 255 |
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| Or | 255 | 0 | 255 |
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| Or | 255 | 1 | 255 |
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| Or | 255 | 1 | 255 |
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| Bytecode | MLOAD | 0 | 0 |
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| Bytecode | MLOAD | 0 | 0 |
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| Bytecode | PUSH1 | 1 | 0|
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| Bytecode | PUSH1 | 1 | 0 |
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| Bytecode | PUSH30 | 30 | 1|
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| Bytecode | PUSH30 | 30 | 1 |
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| Bytecode | ...| ...| ...|
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| Bytecode | ... | ... | ... |
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| U16 | 256 (不必从0开始) | U10_TAG | 1|
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| U16 | 256 (不必从0开始) | U10_TAG | 1 |
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| U16 | ... | U10_TAG| ... |
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| U16 | ... | U10_TAG | ... |
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| U16 | 1279 | U10_TAG| 1024|
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| U16 | 1279 | U10_TAG | 1024 |
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| U16 | 1280 | | |
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| U16 | 1280 | | |
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| U16 | .... | | |
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| U16 | .... | | |
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| U16 | 65535 | | |
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| U16 | 65535 | | |
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| ... | | ... | |
