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SubjectRe: [PATCH v3 bpf-next] RV32G eBPF JIT
On Wed, Feb 19, 2020 at 8:20 PM Luke Nelson <lukenels@cs.washington.edu> wrote:
>
> This is an eBPF JIT for RV32G, adapted from the JIT for RV64G and
> the 32-bit ARM JIT.
...
> v2 -> v3:
> * Added support for far jumps / branches similar to RV64 JIT.
> * Added support for tail calls.
> * Cleaned up code with more optimizations and comments.
> * Removed special zero-extension instruction from BPF_ALU64
> case, pointed out by Jiong Wang.
>
> v1 -> v2:
> * Added support for far conditional branches.
> * Added the zero-extension optimization pointed out by Jiong Wang.
> * Added more optimizations for operations with an immediate operand.
>
> Cc: Jiong Wang <jiong.wang@netronome.com>
> Co-developed-by: Xi Wang <xi.wang@gmail.com>
> Signed-off-by: Xi Wang <xi.wang@gmail.com>
> Signed-off-by: Luke Nelson <lukenels@cs.washington.edu>

Bjorn,

please review.

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