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    SubjectRe: [PATCH v8 3/8] seccomp: add system call filtering using BPF
    On 02/16/2012 07:27 PM, Indan Zupancic wrote:
    > A JIT won't be able to merge accesses because it also has to merge other
    > instructions and recognize when 64-bit operations are done with 32-bit
    > instructions. I think that will be too hard for a JIT.

    Please Google "peephole optimizer".


    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.

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