[GHC] #15126: Opportunity to compress common info table representation.

[GHC]

#15126: Opportunity to compress common info table representation.
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        Reporter:  AndreasK          |                Owner:  (none)
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.2.2
      Resolution:                    |             Keywords:  CodeGen
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 Compressing info tables looks like a good plan.  But be careful about
 imposing a slow-down in the fast path, if extra instructions are need to
 decode the info table.  With a bit of luck, we could have zero overhead
 for the fast path.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15126#comment:1>
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