Merge remote-tracking branch 'remotes/rth/tcg-aarch-6-2' into staging

Merge remote-tracking branch 'remotes/rth/tcg-aarch-6-2' into staging

* remotes/rth/tcg-aarch-6-2:
  tcg-aarch64: Introduce tcg_out_insn_3405
  tcg-aarch64: Support div, rem
  tcg-aarch64: Support muluh, mulsh
  tcg-aarch64: Support add2, sub2
  tcg-aarch64: Support deposit
  tcg-aarch64: Use tcg_out_insn for setcond
  tcg-aarch64: Support movcond
  tcg-aarch64: Support andc, orc, eqv, not, neg
  tcg-aarch64: Handle constant operands to and, or, xor
  tcg-aarch64: Handle constant operands to add, sub, and compare
  tcg-aarch64: Implement mov with tcg_out_insn
  tcg-aarch64: Introduce tcg_out_insn_3401
  tcg-aarch64: Convert shift insns to tcg_out_insn
  tcg-aarch64: Introduce tcg_out_insn

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