On 09/20/2017 01:20 AM, Jiong Wang wrote:
On 18/09/2017 22:29, Daniel Borkmann wrote:
[...]
Great to see work in this direction! Can we also enable to use / emit all the 32bit BPF_ALU instructions whenever possible for the currently available bpf targets while at it (which only use BPF_ALU64 right now)?Hi Daniel, Thanks for the feedback. I think we could also enable the use of all the 32bit BPF_ALU under currently available bpf targets. As we now have 32bit register set support, we could make i32 type as legal type to prevent it be promoted into i64, then hook it up with i32 ALU patterns, will look into this.
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