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Recombination method, device and microprocessor based on extraction and insertion operations

A technology for inserting operations and inserting positions, applied in the field of data processing, can solve problems such as limited functions, and achieve the effect of improving functions

Active Publication Date: 2019-02-15
LOONGSON TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the above-mentioned data operation process, only the extraction operation, insertion operation or extraction and insertion operation are performed on the data, and the improved function is limited.

Method used

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  • Recombination method, device and microprocessor based on extraction and insertion operations
  • Recombination method, device and microprocessor based on extraction and insertion operations
  • Recombination method, device and microprocessor based on extraction and insertion operations

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Embodiment Construction

[0062] At present, during the data operation process, only extraction, insertion, or extraction and insertion operations are performed on the data, and the improved functions are limited.

[0063] For example, during the extraction operation, the microprocessor extracts a shorter data from a longer register according to the control signal of the extraction instruction. For details, see Figure 1A , Figure 1A Schematic diagram of the process of the extraction operation in the prior art. Please refer to Figure 1A , the source register is 64 bits, storing four data of A, B, C, and D, and A to B are the most significant bit (Most Significant Bit, MSB) to the least significant bit (Least Significant Bit, LSB); the control signal indicates the operation width It is 16 bits, and the extraction position is the second data. At this time, when the extraction operation is performed, the second data (that is, data C) in the source register is extracted, and the extracted data is placed ...

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Abstract

The invention provides an extraction / insertion operation-based reconstruction method and device as well as a microprocessor. The reconstruction method comprises the following steps: determining an operation manner to be extraction operation and / or an insertion operation according to a first type of operands indicating the operation manner through analyzing an extraction / insertion operation instruction, determining a source register and / or a target register according to a second type of operands, and determining a reconstruction manner according to a third type of operands; executing a data operation according to the first type of operands and executing reconstruction according to the reconstruction manner indicated by the third type of operands. In the process, data position reconstruction and data content reconstruction are carried out on stored data in the related registers in the data operation process while the data operation is carried out, so that the function of the microprocessor is enhanced to a certain extent.

Description

technical field [0001] Embodiments of the present invention relate to data processing technology, and in particular to a reorganization method, device and microprocessor based on extraction and insertion operations. Background technique [0002] In order to improve the function of the microprocessor, it is necessary to design powerful new instructions for the microprocessor. For example, in order to realize data operation, design extraction instruction, insertion instruction, extraction and insertion instruction, etc., so as to realize extraction operation, insertion operation, extraction and insertion operation, etc. of data. [0003] Specifically, the extract instruction is used to extract a shorter data from a longer data, for example, extract an 8-bit data from a 64-bit source register, and put the extracted data into the destination The lower 8 bits of the register; the insert instruction is used to insert a shorter data into a longer data, for example, insert the lowe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/30
CPCG06F9/30007G06F9/3004G06F9/3013
Inventor 吴瑞阳汪文祥刘天义
Owner LOONGSON TECH CORP
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