On Mon, Jun 24, 2019 at 3:11 AM Björn Töpel wrote:
> > - Far branches
> > These are not supported in RV64G either.
>
> This would be really nice to have, now that the size of BPF programs
> are getting larger.
I've sent out an updated version of the patch here, with support for
far branch
On Mon, Jun 24, 2019 at 9:45 AM Jiong Wang wrote:
>
> Looks to me 32-bit optimization is not enabled.
>
> If you define bpf_jit_needs_zext to return true
>
> bool bpf_jit_needs_zext(void)
> {
> return true;
> }
>
> Then you don't need to zero high 32-bit when writing 32-bit sub-regis
Luke Nelson writes:
> From: Luke Nelson
>
> This is an eBPF JIT for RV32G, adapted from the JIT for RV64G.
> Any feedback would be greatly appreciated.
>
> It passes 359 out of 378 tests in test_bpf.ko. The failing tests are
> features that are not supported right now:
> - ALU64 DIV/MOD:
>
On Sat, 22 Jun 2019 at 00:59, Luke Nelson wrote:
>
> From: Luke Nelson
>
Yay! Thanks for working on this! Nice work!
> This is an eBPF JIT for RV32G, adapted from the JIT for RV64G.
> Any feedback would be greatly appreciated.
>
> It passes 359 out of 378 tests in test_bpf.ko. The failing tests
From: Luke Nelson
This is an eBPF JIT for RV32G, adapted from the JIT for RV64G.
Any feedback would be greatly appreciated.
It passes 359 out of 378 tests in test_bpf.ko. The failing tests are
features that are not supported right now:
- ALU64 DIV/MOD:
These require loops to emulate on 3
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