| Issue |
140658
|
| Summary |
How to support plenty of RISC-V Custom Instruction Extensions？
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
TJU-PanYizhe
|
RISC-V allows developers to introduce new custom instructions. Compiler(LLVM) needs modification to support diverse custom instructions.
Is it necessory to support every custom instruction proposed by vendors or in papers?
Maintaining a fork of LLVM for every custom instruction extension causes laborious manual effort. Moreover, merging conflict may happen when merging the newest code with the fork.
7 new custom instruction extensions are proposed at most per month in papers from arXiv.
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