target/riscv: add support for zmmul extension v0.1
Add support for the zmmul extension v0.1. This extension includes all
multiplication operations from the M extension but not the divide ops.
Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: VĂctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <
20220531030732.3850-1-liweiwei@iscas.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>