[clang] [llvm] [RISCV] Support spacemit vsmtvdotii extensions (PR #202533)

[Pengcheng Wang via cfe-commits]

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@@ -586,7 +586,11 @@ The current vendor extensions supported are:
 
 ``XSMTVDot``
   SpacemiT defines `Integrated Matrix Extension (IME) specification <https://github.com/spacemit-com/riscv-ime-extension-spec/releases/tag/v1.0>`__.
-  LLVM implement the hardware-adapted subset for SpacemiT X60, defined in the `feature document <https://developer.spacemit.com/documentation?token=BWbGwbx7liGW21kq9lucSA6Vnpb#2.1>`__ by SpacemiT. All instructions are prefixed with `smt.` as described in the implementation guide. Note that this implemented subset is `version 1.0.0 of the SpacemiT Vector Dot Product Extension specification`, which is strictly a subset of the full IME specification to reflect the capabilities of SpacemiT X60 hardware correctly.
+  LLVM implements the hardware-adapted subset for SpacemiT X60, defined in the `feature document <https://developer.spacemit.com/documentation?token=BWbGwbx7liGW21kq9lucSA6Vnpb#2.1>`__ by SpacemiT. All instructions are prefixed with `smt.` as described in the implementation guide. Note that this implemented subset is `version 1.0.0 of the SpacemiT Vector Dot Product Extension specification`, which is strictly a subset of the full IME specification to reflect the capabilities of SpacemiT X60 hardware correctly.
+
+``XSMTVDotII``
+  SpacemiT defines the `Integrated Matrix Extension (IME) specification <https://github.com/spacemit-com/docs--ai/blob/main/en/architecture/ime_extension.md>`__
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wangpc-pp wrote:

The link is unreachable, there is an extra `-`.
```suggestion
  SpacemiT defines the `Integrated Matrix Extension (IME) specification <https://github.com/spacemit-com/docs-ai/blob/main/en/architecture/ime_extension.md>`__
```

https://github.com/llvm/llvm-project/pull/202533