[GHC] #7830: Error: operand out of range

[GHC]

#7830: Error: operand out of range
-------------------------------------+-------------------------------------
        Reporter:  erikd             |                Owner:  trommler
            Type:  bug               |               Status:  patch
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.8.1-rc1
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:  powerpc
 Type of failure:  Installing GHC    |            Test Case:
  failed                             |
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D1296
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"b29f20edb1ca7f1763ceb001e2bb2d5f2f11bec3/ghc" b29f20e/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="b29f20edb1ca7f1763ceb001e2bb2d5f2f11bec3"
 nativeGen PPC: fix > 16 bit offsets in stack handling

 Implement access to spill slots at offsets larger than 16 bits.
 Also allocation and deallocation of spill slots was restricted to
 16 bit offsets. Now 32 bit offsets are supported on all PowerPC
 platforms.

 The implementation of 32 bit offsets requires more than one instruction
 but the native code generator wants one instruction. So we implement
 pseudo-instructions that are pretty printed into multiple assembly
 instructions.

 With pseudo-instructions for spill slot allocation and deallocation
 we can also implement handling of the back chain pointer according
 to the ELF ABIs.

 Test Plan: validate (especially on powerpc (32 bit))

 Reviewers: bgamari, austin, erikd

 Reviewed By: erikd

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D1296

 GHC Trac Issues: #7830
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7830#comment:38>
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