[PATCH] RISC-V: Add support for sdtrig and ssstrict extensions.

[Nelson Chu]

Okay, thanks for clarifying that these extensions are optional for profiles
;)

Nelson

On Mon, Sep 15, 2025 at 1:52 PM Dongyan Chen <chendongyan@isrc.iscas.ac.cn>
wrote:

> Thank you very much. To the best of my knowledge, the RISC-V Profiles do
> not include the sdtrig and ssstrict extensions in the rva23u64 profile.
> Additionally, these extensions remain optional in rva23s64 as well.
> According to the current calling convention, profiles will not specify
> optional extensions by default. Therefore, I think no updates should be
> required in this case.
>
>
> Dongyan Chen
>
> 在 2025年9月15日 10:26，Nelson Chu <nelson@rivosinc.com>写道：
>
> Okay, thanks and committed.  I also changed the gas/NEWs slightly the same
> as what I added for 2.44, and added test cases since these two extensions
> need to imply zicsr.  Btw, it seems the RVA23U64 profile needs sdtrig and
> ssstrict, not sure about others, but do you plan to update them, too :-)
>
> Nelson
>
>
>
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