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SubjectRe: [PATCH RFC] arm64: eBPF JIT compiler
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On Wed, Jul 2, 2014 at 9:57 PM, Z Lim <zlim.lnx@gmail.com> wrote:
> On Wed, Jul 2, 2014 at 2:28 PM, Alexei Starovoitov <ast@plumgrid.com> wrote:
>> On Tue, Jul 1, 2014 at 10:20 PM, Zi Shen Lim <zlim.lnx@gmail.com> wrote:
>> Do you really need 'jump by register' then? Regular 'bl' would be much faster.
>
> We'll need BLR to cover all cases. BL instruction can only address
> +/-128MB (28-bits).
>
> BTW, what is the range of "imm" for JMP|CALL? I'm guessing since it's
> s32, so +/-512MB?

Oops... I meant: is it +/-2GB?


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