touch-packages team mailing list archive

[Steve Langasek <steve.langasek@xxxxxxxxxxxxx>]

Hello bugproxy, or anyone else affected,

Accepted gcc-4.8 into trusty-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/gcc-4.8/4.8.4-2ubuntu1~14.04 in a
few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: gcc-4.8 (Ubuntu Trusty)
       Status: New => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1437467

Title:
  gcc 4.8: Wrong code for vector doubleword extract

Status in gcc-4.8 package in Ubuntu:
  Fix Released
Status in gcc-4.8 source package in Trusty:
  Fix Committed
Status in gcc-4.8 source package in Vivid:
  Fix Released

Bug description:
  ---Problem Description---
  GCC 4.8 produces wrong code for powerpc64le-*-* when extracting the second doubleword of a V2DF or V2DI vector from memory.  This has been fixed upstream as revision r221696.  The revised test gcc/testsuite/gcc.dg/vmx/extract-vsx.c can be used to verify the problem on an unfixed compiler, and to verify the solution on a fixed one.
    
  Machine Type = POWER8 
   
  ---Steps to Reproduce---
   Compile and run the revised gcc/testsuite/gcc.dg/vmx/extract-vsx.c found in the patch, according to the steps in the test case.

  This bug occurs only in GCC 4.8, so if I understand correctly this
  only affects the 14.04 LTS release.  I would like to request that this
  patch be applied in the next point release for 14.04 LTS.

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