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Add decoder for RVV instructions #501

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@howjmay howjmay commented Oct 17, 2024

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Benchmarks

Benchmark suite Current: 73db290 Previous: 2dcaaf6 Ratio
Dhrystone 1593 Average DMIPS over 10 runs 1545 Average DMIPS over 10 runs 0.97
Coremark 1437.931 Average iterations/sec over 10 runs 1409.597 Average iterations/sec over 10 runs 0.98

This comment was automatically generated by workflow using github-action-benchmark.

@howjmay howjmay changed the title Support RVV instructions Add decoder for RVV instructions Oct 18, 2024
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jserv commented Oct 20, 2024

How can you test the RVV instructions?

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howjmay commented Oct 20, 2024

A test set own by chipsalliance is here. https://github.com/chipsalliance/riscv-vector-tests/tree/main

I think we can test instructions' behavior with this repo. However, testing decoder is harder. I think I will Spike the verify the behavior, or generating the test cases

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