Add Tag_RISCV_mop_and_hint_encoding for instruction reinterpretation#474

kito-cheng wants to merge 2 commits intomasterriscv-non-isa/riscv-elf-psabi-doc:masterfrom

kitoc/Tag_RISCV_mop_cfiriscv-non-isa/riscv-elf-psabi-doc:kitoc/Tag_RISCV_mop_cfiCopy head branch name to clipboard