[GHC] #15148: Allow setting of custom alignments

[GHC]

#15148: Allow setting of custom alignments
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        Reporter:  AndreasK          |                Owner:  (none)
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler (NCG)    |              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:  #15124            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"f68c2cb60f881a0a41ae2e8cafc5de193ef9c3fb/ghc" f68c2cb/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="f68c2cb60f881a0a41ae2e8cafc5de193ef9c3fb"
 Allow aligning of cmm procs at specific boundry

 Allows to align CmmProcs at the given boundries.

 It makes performance usually worse but can be helpful
 to limit the effect of a unrelated function B becoming
 faster/slower after changing function A.

 Test Plan: ci, using it.

 Reviewers: bgamari

 Reviewed By: bgamari

 Subscribers: rwbarton, thomie, carter

 GHC Trac Issues: #15148

 Differential Revision: https://phabricator.haskell.org/D4706
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15148#comment:1>
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