Re: [PATCH] RISC-V: Add an experimental vector calling convention

Hi Juzhe, Thanks for taking the time to review the code. I will address comments 1, 2, 3. For comment 4, it is necessary to implement these hooks. The purpose is to mark functions that use vector registers to pass arguments and return value so that they can be recognized by the linker. Send the V

Re: [PATCH] RISC-V: Add an experimental vector calling convention

Thanks for doing this. A couple comments here: 1. -riscv_init_cumulative_args (CUMULATIVE_ARGS *cum, - tree fntype ATTRIBUTE_UNUSED, - rtx libname ATTRIBUTE_UNUSED, - tree fndecl, +riscv_init_cumulative_args (CUMULATIV