[clang] [clang][RISCV] Bump RVV intrinsic to version 1.0 (PR #116597)

[Camel Coder via cfe-commits]

camel-cdr wrote:

> Presumably that (rather terse) sentence in the specification is that even, say, RV64GC can check the macro and include riscv_vector.h, so that it can then do `__attribute__((__target__(...)))` and use it in certain functions?

Yes, thats the idea, otherwise it would be impossible to portably use RVV intrinsics in target attribute functions, without matching specific compiler versions.

> I expect there will be a follow up patch for this.

👍 

https://github.com/llvm/llvm-project/pull/116597