[PATCH V1] RISC-V: Add the mini support for SiFive extensions.

[Jeff Law]

On 11/17/24 2:55 AM, shiyulong@iscas.ac.cn wrote:
> From: yulong <shiyulong@iscas.ac.cn>
> 
> This patch add the mini support for xsfvqmaccqoq, xsfvqmaccdod and
>   xsfvfnrclipxfqf extensions.
> 
> gcc/ChangeLog:
> 
>          * common/config/riscv/riscv-common.cc: New.
>          * config/riscv/riscv.opt: New.
> 
> gcc/testsuite/ChangeLog:
> 
>          * gcc.target/riscv/predef-sf-3.c: New test.
>          * gcc.target/riscv/predef-sf-4.c: New test.
>          * gcc.target/riscv/predef-sf-5.c: New test.
Explicitly deferring to Kito on this one.

Jeff