[llvm-bugs] [Bug 34158] New: BPF target: implement support for emitting BPF_JLT/JLE/JSLT/JSLE

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Aug 11 08:14:02 PDT 2017


https://bugs.llvm.org/show_bug.cgi?id=34158

            Bug ID: 34158
           Summary: BPF target: implement support for emitting
                    BPF_JLT/JLE/JSLT/JSLE
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: daniel at iogearbox.net
                CC: llvm-bugs at lists.llvm.org

Once these extensions make it upstream, implement them (poc:
https://github.com/borkmann/llvm/commits/bpf-insns) under -march=native target,
where kernel can transparently be probed for availability of the insns and LLVM
can then be enabled to use them.

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