Re: [PATCH 6/9] RISC-V: Add minimal Smsdid extension support

[Jeffrey Law]

On 7/17/2026 9:15 AM, Jiawei wrote:
This adds minimal support for the Smsdid[1] (Machine-mode supervisor domain
ID) extension, which depends on Zicsr.

[1] https://github.com/riscv/riscv-smmtt

gcc/ChangeLog:

        * config/riscv/riscv-ext.def (smsdid): Add new extension.
        * config/riscv/riscv-ext.opt: Ditto.
        * doc/riscv-ext.texi: Ditto.

gcc/testsuite/ChangeLog:

        * gcc.target/riscv/smsdid-version.c: New test.
I don't think this has hit the frozen state yet.  So I think this needs 
to wait.

jeff