The superoptimizer is a function sequence generator that uses a
   exhaustive generate-and-test approach to find the shortest instruction
   sequence for a given function.
   
   The GNU superoptimizer and its application in GCC is described in the
   ACM SIGPLAN PLDI'92 proceedings.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
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[generic]                 6993   17982  38.9% -lh5- dc3e Jul  4  1991 superopt-2.3/COPYING
[generic]                 2553   13692  18.6% -lh5- 20e1 Jul  7  1993 superopt-2.3/goal.def
[generic]                15383   43516  35.4% -lh5- a3ff Mar 15  1994 superopt-2.3/gso00_00
[generic]                15381   43516  35.3% -lh5- 4023 Mar 15  1994 superopt-2.3/gso00_20
[generic]                14275   38544  37.0% -lh5- b585 Mar 15  1994 superopt-2.3/gso20_00
[generic]                14272   38544  37.0% -lh5- b620 Mar 15  1994 superopt-2.3/gso20_20
[generic]                  333     597  55.8% -lh5- 91d1 Oct  7  1993 superopt-2.3/Makefile
[generic]                 2575    5527  46.6% -lh5- bc40 Feb 21  1993 superopt-2.3/README
[generic]                  392     689  56.9% -lh5- a746 Mar 15  1994 superopt-2.3/README.amiga
[generic]                 2519    5588  45.1% -lh5- 74b2 Jul 13  1993 superopt-2.3/TODO
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 Total        10 files   74676  208195  35.9%            Mar 20  1994