RE: [PATCH bpf-next v4 2/2] riscv, bpf: Introduce shift add helper with Zba optimization

[Wang, Xiao W]

> -----Original Message-----
> From: Björn Töpel <bjorn@xxxxxxxxxx>
> Sent: Wednesday, May 29, 2024 5:41 PM
> To: Wang, Xiao W <xiao.w.wang@xxxxxxxxx>; paul.walmsley@xxxxxxxxxx;
> palmer@xxxxxxxxxxx; aou@xxxxxxxxxxxxxxxxx; luke.r.nels@xxxxxxxxx;
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> Subject: Re: [PATCH bpf-next v4 2/2] riscv, bpf: Introduce shift add helper
> with Zba optimization
> 
> Xiao,
> 
> Xiao Wang <xiao.w.wang@xxxxxxxxx> writes:
> 
> > Zba extension is very useful for generating addresses that index into array
> > of basic data types. This patch introduces sh2add and sh3add helpers for
> > RV32 and RV64 respectively, to accelerate addressing for array of unsigned
> > long data.
> 
> This patched slipped! Apologies for the slow reply.

No worry. Thanks for picking it up.

BRs,
Xiao

> 
> Acked-by: Björn Töpel <bjorn@xxxxxxxxxx>