Backport `.option arch` for RISC-V inline assembly#147

Merged

cuviper merged 2 commits intorust-lang:rustc/16.0-2023-06-05from

Amanieu:backport-riscv-arch

Jun 8, 2023

Commits on Jun 6, 2023

[RISCV][MC] Simplify .option and make error messages more conventional

MaskRay
authored and
Amanieu
committed
[RISCV] Support '.option arch' directive

luxufan
authored and
Amanieu
committed