[clang] [llvm] [RISCV] Add more extensions to spacemit-x100 (PR #186351)

[Mark Zhuang via cfe-commits]

zqb-all wrote:

> not sure if it's A100 only or also X100

It's A100

> It would be great to get those upstream (asm and intrinsics)

Here is the [ASM patch](https://github.com/llvm/llvm-project/pull/202533). The intrinsic patch has not been released yet—partly because we are still working through some issues regarding how to develop more unified intrinsic interfaces for X60/X100 and A100, given that they support different instruction sets.



https://github.com/llvm/llvm-project/pull/186351