Re: [RFC v4 40/70] target/riscv: rvv-1.0: single-width averaging add and subtract instructions

[Richard Henderson]

On 8/17/20 1:49 AM, frank.chang@sifive.com wrote:
> From: Frank Chang <frank.chang@sifive.com>
> 
> Add the following instructions:
> 
> * vaaddu.vv
> * vaaddu.vx
> * vasubu.vv
> * vasubu.vx
> 
> Remove the following instructions:
> 
> * vadd.vi
> 
> Signed-off-by: Frank Chang <frank.chang@sifive.com>
> ---
>  target/riscv/helper.h                   | 16 ++++++
>  target/riscv/insn32.decode              | 13 +++--
>  target/riscv/insn_trans/trans_rvv.inc.c |  5 +-
>  target/riscv/vector_helper.c            | 74 +++++++++++++++++++++++++
>  4 files changed, 102 insertions(+), 6 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~