Re: [PATCH v5 07/60] target/riscv: add fault-only-first unit stride load

[Richard Henderson]

On 3/12/20 7:58 AM, LIU Zhiwei wrote:
> The unit-stride fault-only-fault load instructions are used to
> vectorize loops with data-dependent exit conditions(while loops).
> These instructions execute as a regular load except that they
> will only take a trap on element 0.
> 
> Signed-off-by: LIU Zhiwei <address@hidden>
> ---
>  target/riscv/helper.h                   |  22 +++++
>  target/riscv/insn32.decode              |   7 ++
>  target/riscv/insn_trans/trans_rvv.inc.c |  69 +++++++++++++++
>  target/riscv/vector_helper.c            | 111 ++++++++++++++++++++++++
>  4 files changed, 209 insertions(+)

Reviewed-by: Richard Henderson <address@hidden>


r~