When we port Foreign Function & Memory API (Preview) for riscv backend [1],
we find some methods in sharedRuntime_riscv.cpp that can be reused.

Here is the list of methods that can be moved to MacroAssembler:
- move32_64
- float_move
- long_move
- double_move
- object_move
- rt_call

1. https://github.com/feilongjiang/jdk/tree/riscv-foreign-api