Merge branch 'qemu-cvs'

Merge branch 'qemu-cvs'

* qemu-cvs: (37 commits)
  Revert r6404
  Revert r6405
  Revert r6406
  Revert r6407
  Revert r6408
  tcg: move {not,neg}_i{32,64} definitions at the right place
  tcg: fix commit r6805
  Clean build: Add bt-host.h
  tcg-arm: fix qemu_ld64
  tcg: update TODO
  tcg/x86: add not/neg/extu/bswap/rot i32 ops
  tcg: optimize logical operations
  target-ppc: fix commit r6789
  musicpal: Reorganize IO memory handling (Jan Kiszka)
  Fix tcg after commit 6800
  target-mips: use nor instead of or + not
  tcg: use TCGV_EQUAL_I{32,64}
  tcg: define TCGV_EQUAL_I{32,64}
  tcg: optimize nor(X, Y, Y), used on PPC for not(X, Y)
  Implement TCG not ops for x86-64
  ...