[GHC] #14206: Add bit deposit and bit extraction primops

GHC ghc-devs at haskell.org
Wed Nov 15 20:05:28 UTC 2017


#14206: Add bit deposit and bit extraction primops
-------------------------------------+-------------------------------------
        Reporter:  newhoggy          |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"f5dc8ccc29429d0a1d011f62b6b430f6ae50290c/ghc"
 f5dc8ccc/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="f5dc8ccc29429d0a1d011f62b6b430f6ae50290c"
 Add new mbmi and mbmi2 compiler flags

 This adds support for the bit deposit and extraction operations provided
 by the BMI and BMI2 instruction set extensions on modern amd64 machines.

 Test Plan: Validate

 Reviewers: austin, simonmar, bgamari, hvr, goldfire, erikd

 Reviewed By: bgamari

 Subscribers: goldfire, erikd, trommler, newhoggy, rwbarton, thomie

 GHC Trac Issues: #14206

 Differential Revision: https://phabricator.haskell.org/D4063
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14206#comment:8>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler


More information about the ghc-tickets mailing list