Merge remote-tracking branch 'remotes/lalrae/tags/mips-20141015' into staging

* remotes/lalrae/tags/mips-20141015: (28 commits)
  target-mips: Remove unused gen_load_ACX, gen_store_ACX and cpu_ACX
  target-mips/dsp_helper.c: Add ifdef guards around various functions
  target-mips/translate.c: Add ifdef guard around check_mips64()
  target-mips/op_helper.c: Remove unused do_lbu() function
  target-mips/dsp_helper.c: Remove unused function get_DSPControl_24()
  target-mips: fix broken MIPS16 and microMIPS
  target-mips/translate.c: Update OPC_SYNCI
  target-mips: define a new generic CPU supporting MIPS64 Release 6 ISA
  mips_malta: update malta's pseudo-bootloader - replace JR with JALR
  target-mips: remove JR, BLTZAL, BGEZAL and add NAL, BAL instructions
  target-mips: do not allow Status.FR=0 mode in 64-bit FPU
  target-mips: add new Floating Point Comparison instructions
  target-mips: add new Floating Point instructions
  softfloat: add functions corresponding to IEEE-2008 min/maxNumMag
  target-mips: add AUI, LSA and PCREL instruction families
  target-mips: add compact and CP1 branches
  target-mips: add ALIGN, DALIGN, BITSWAP and DBITSWAP instructions
  target-mips: Status.UX/SX/KX enable 32-bit address wrapping
  target-mips: move CLO, DCLO, CLZ, DCLZ, SDBBP and free special2 in R6
  target-mips: redefine Integer Multiply and Divide instructions
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>