[clang] [llvm] [RISCV][MC] MC layer support for the experimental zalasr extension (PR #69685)

[Craig Topper via cfe-commits]

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@@ -228,6 +228,9 @@ The primary goal of experimental support is to assist in the process of ratifica
 ``experimental-zacas``
   LLVM implements the `1.0-rc1 draft specification <https://github.com/riscv/riscv-zacas/releases/tag/v1.0-rc1>`_.
 
+``experimental-zalasr``
+  LLVM implements the `most recent specification <https://github.com/mehnadnerd/riscv-zalasr>`_.
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topperc wrote:

Can we nail this down to a version or a date? "most recent" is wrong if that repo changes.

https://github.com/llvm/llvm-project/pull/69685