[GHC] #10375: arm: ghci hits an illegal instruction

GHC ghc-devs at haskell.org
Sat Sep 5 17:38:15 UTC 2015


#10375: arm: ghci hits an illegal instruction
-------------------------------------+---------------------------------
        Reporter:  erikd             |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.10.3
       Component:  GHCi              |                 Version:  7.10.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:  arm
 Type of failure:  GHCi crash        |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+---------------------------------

Comment (by erikd):

 From:
 http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0489c/CIHGJHED.html

 The instruction matches:

 {{{
 op{type}{cond} Rt, [Rn, #offset]!          ; pre-indexed
 }}}

 but the under the section titled "Register restrictions" it says:

 {{{
 Rn must be different from Rt in the pre-index and post-index forms.
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10375#comment:41>
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