[clang] [Clang][RISCV] Add operator overloading for builtin RVV vector types (PR #192722)

[Craig Topper via cfe-commits]

topperc wrote:

It looks like gcc return 0/-1 for SVE compares . LLVM return 0/1. https://godbolt.org/z/1P9xo84e1

https://github.com/llvm/llvm-project/pull/192722