[clang] [llvm] [RISCV] Add Svrsw60t59b extension (PR #132321)

[Craig Topper via llvm-commits]

topperc wrote:

> Please can you add information about this to llvm/docs/RISCVUsage.rst ?

Looks like RISCVUsage.rst is there. Are you looking for something more?

https://github.com/llvm/llvm-project/pull/132321