* riscv: Fix printAliasInstr
We do not want to append the entire string, only the
single non-argument character.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* riscv: Implement printCSRSystemRegister
While upstream LLVM probably has a tablegen thing for these
somewhere, the current import doesn't include them. Take the
list from riscv-privileged-v1.10.pdf.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
ba02674b33