[ET Trac] [Einstein Toolkit] #437: Correct autoconfiguration of restrict keyword; add support for builtin_expect

[Einstein Toolkit]

#437: Correct autoconfiguration of restrict keyword; add support for
builtin_expect
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  Reporter:  Erik Schnetter <schnetter@…>            |       Owner:        
      Type:  defect                                  |      Status:  review
  Priority:  minor                                   |   Milestone:        
 Component:  Cactus                                  |     Version:        
Resolution:                                          |    Keywords:        
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Comment (by barry.wardell):

 > I also add support for the gcc built-in function "builtin_expect"

 This sounds like potentially quite a nice addition. How difficult would it
 be to take this further and enable the use of profile guided optimization
 (eg. http://stackoverflow.com/questions/2738835/learning-sample-of-likely-
 and-unlikely-compiler-hints). Do you think it would be likely to help
 much?

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/437#comment:4>
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