[PATCH 3/3] RISC-V: Add r4 format for r type with 4 register operands

[Jim Wilson]

On Sun, May 26, 2019 at 11:37 PM Kito Cheng <kito@andestech.com> wrote:
> gas/ChangeLog:
>         * doc/c-riscv.texi (Instruction Formats): Add r4 type.
> opcodes/ChangeLog:
>         * riscv-opc.c (riscv_insn_types): Add r4 type.

There should be testcases added for the new r4 type.  Otherwise this looks OK.

Jim