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About EXT_ZVFH #889

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Liuziying04 opened this issue Jun 14, 2023 · 2 comments
Open

About EXT_ZVFH #889

Liuziying04 opened this issue Jun 14, 2023 · 2 comments

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@Liuziying04
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Vector floating-point instructions with an accuracy of 16 bits require support for EXT_ZVFH, but no corresponding instruction set is found in MISA. So what registers or where does EXT_ZVFH support?

@furuame
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furuame commented Jun 14, 2023

zvfh enables SEW=16 for vector FP instructions execution

@nick-knight
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Correct, there is no misa bit for Zvfh. We ran out of bits!

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