== GCC ==

 * Investigated bootstrap comparison failure with neon-shifts
   branch; tracked down root cause to pre-existing bug in GCC
   common code.  Fix checked in to FSF mainline and 4.7 branch.

 * Investigated di-sync-multithread test case failure with
   neon-shifts branch; root cause was missing length attributes
   for sync.md insn&split patterns.  Implemented fix and
   restarted tests.

 * Investigated LP bug 1020601, missed optimization with multiple
   __builtin_unreachable calls.  Tracked down root cause and
   started discussion of possible fixes on gcc-patches.

 * Investigated potential reload bug reported by ARM.


Mit freundlichen Gruessen / Best Regards

Ulrich Weigand

--
  Dr. Ulrich Weigand | Phone: +49-7031/16-3727
  STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E.
  IBM Deutschland Research & Development GmbH
  Vorsitzender des Aufsichtsrats: Martin Jetter | Geschäftsführung: Dirk
Wittkopp
  Sitz der Gesellschaft: Böblingen | Registergericht: Amtsgericht
Stuttgart, HRB 243294


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