[gcc/meissner/heads/work178-bugs] (13 commits) Merge commit 'refs/users/meissner/heads/work178-bugs' of gi

[Michael Meissner]

The branch 'meissner/heads/work178-bugs' was updated to point to:

 d8b655099e0c... Merge commit 'refs/users/meissner/heads/work178-bugs' of gi

It previously pointed to:

 4ed9d16a0b78... Add ChangeLog.bugs and update REVISION.

Diff:

Summary of changes (added commits):
-----------------------------------

  d8b6550... Merge commit 'refs/users/meissner/heads/work178-bugs' of gi
  c425f9a... Add ChangeLog.bugs and update REVISION.
  db845de... Add -mcpu=future tuning support. (*)
  9a8c9eb... Add support for -mcpu=future (*)
  cf2e2df... Update tests to work with architecture flags changes. (*)
  e629d8c... Change TARGET_MODULO to TARGET_POWER9 (*)
  30a040f... Change TARGET_POPCNTD to TARGET_POWER7 (*)
  2447d85... Change TARGET_CMPB to TARGET_POWER6 (*)
  c290843... Change TARGET_FPRND to TARGET_POWER5X (*)
  71a8da6... Change TARGET_POPCNTB to TARGET_POWER5 (*)
  59c893c... Do not allow -mvsx to boost processor to power7. (*)
  fbd5596... Use architecture flags for defining _ARCH_PWR macros. (*)
  77cfcb4... Add rs6000 architecture masks. (*)

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