Instruction decoding method and device, electronic equipment and storage medium

A technology of instruction decoding and decoding, which is applied in the computer field, can solve problems such as affecting circuit model calculation results, model usability reduction, and inconsistent results, and achieve the effects of avoiding inconsistent setting methods, improving usability, and improving decoding efficiency

Pending Publication Date: 2022-08-09
HYGON INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the inconsistency of the state bits of these registers will further affect the subsequent calculation results of the circuit model, it will lead to inconsistent results obtained by running the circuit model on

Method used

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  • Instruction decoding method and device, electronic equipment and storage medium
  • Instruction decoding method and device, electronic equipment and storage medium
  • Instruction decoding method and device, electronic equipment and storage medium

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Embodiment Construction

[0034] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0035] It should be understood that the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0036] In order to enable those skilled in the art to better understand the technical concept, implementation and beneficial technical effects of the embodiments of the present invention, the following detailed descriptions are given through specific embodiments.

[0037] As mentioned in the background art, since computers of different manufacturers have different setting methods for the status bits in some registers, when the circuit model runs on computers of different manufacturers, the setting conditions of the s...

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Abstract

The embodiment of the invention discloses an instruction decoding method and device, electronic equipment and a storage medium, relates to the technical field of computers, and can effectively improve the availability of a model on computers of different manufacturers. The method comprises the following steps: under the condition that a host for running a program does not belong to a preset host type, respectively determining whether execution of each target instruction in the program can perform a setting operation on a preset register bit in a preset register or not; in response to execution of a first instruction in each target instruction, performing a setting operation on the preset register bit in the preset register, and decoding the first instruction in a first decoding mode; or, in response to execution of the first instruction in the target instructions, the preset register position in the preset register is not subjected to the setting operation, and the first instruction is decoded in a second decoding mode; the first decoding mode is a user-defined decoding mode, the second decoding mode is a decoding mode of the host, and the first instruction is any one of the target instructions.

Description

technical field [0001] The present invention relates to the field of computers, and in particular, to an instruction decoding method and device, an electronic device, and a storage medium. Background technique [0002] After the integrated circuit is designed, it needs to use the modeling method to verify its correctness. The main purpose of modeling is to use low-cost computer software to realize the main functions of the target chip before large-scale investment of manpower, evaluate the working effect of the chip, verify the design logic and function, and serve as the standard and basis for subsequent development activities. After the modeling is completed, the results obtained from the model need to be compared with the design requirements of the target circuit to verify the correctness of the digital logic design circuit. [0003] The model runs on the computer and needs the support of the computer instruction set. The x86 architecture has become the standard platform...

Claims

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Application Information

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IPC IPC(8): G06F9/30
CPCG06F9/3016
Inventor 王智宇赵炎
Owner HYGON INFORMATION TECH CO LTD
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