[gcc/meissner/heads/work115-dmf] (13 commits) Merge commit 'refs/users/meissner/heads/work115-dmf' of git

[Michael Meissner]

The branch 'meissner/heads/work115-dmf' was updated to point to:

 8f23df7928c... Merge commit 'refs/users/meissner/heads/work115-dmf' of git

It previously pointed to:

 35e120ae407... Update ChangeLog.*

Diff:

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

  8f23df7... Merge commit 'refs/users/meissner/heads/work115-dmf' of git
  0024c04... Update ChangeLog.*
  61f58fa... Add saturating subtract built-ins.
  547d00d... Support load/store vector with right length.
  c137139... PowerPC: Add support for 1,024 bit DMR registers.
  5837642... PowerPC: Switch to dense math names for all MMA operations.
  4c876a5... PowerPC: Make MMA insns support DMR registers.
  1080e4f... PowerPC: Add support for accumulators in DMR registers.
  f6331ed... PowerPC: Make -mcpu=future enable -mblock-ops-vector-pair.
  df866ae... PowerPC: Add -mcpu=future.
  85ec505... Add REVISION.
  c4529ea... Update ChangeLog.* (*)
  15209dd... Fix splat of extract for long long and double. (*)

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