lkml.org 
[lkml]   [2012]   [Feb]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
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".

-hpa


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



\
 
 \ /
  Last update: 2012-02-17 05:13    [from the cache]
©2003-2011 Jasper Spaans