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Add example for vec_bperm #48

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ThinkOpenly merged 1 commits from vec_bperm_be into master 5 years ago
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Author SHA1 Message Date
Paul Clarke 5a8fd0ce7f Add example for vec_bperm 
vec_bperm is a challenge for showing an example using just tables,
but I've made an attempt.

Three tables are used:
- The values of the input vectors *a* and *b*.
- A zoomed in view of the last two bytes of *a* and the bit
  manipulations therein that leads to the intermediate result.
- The result vector *r*.

Only one example has been provided, but it's getting big.

Fixes #14.

Signed-off-by: Paul A. Clarke <pc@us.ibm.com>
 5 years ago