Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20190610' into staging

Move softmmu tlb into CPUNegativeOffsetState

# gpg: Signature made Mon 10 Jun 2019 15:07:55 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-tcg-20190610: (39 commits)
  tcg/arm: Remove mostly unreachable tlb special case
  tcg/arm: Use LDRD to load tlb mask+table
  tcg/aarch64: Use LDP to load tlb mask+table
  cpu: Remove CPU_COMMON
  cpu: Move the softmmu tlb to CPUNegativeOffsetState
  cpu: Move icount_decr to CPUNegativeOffsetState
  cpu: Introduce CPUNegativeOffsetState
  cpu: Introduce cpu_set_cpustate_pointers
  cpu: Move ENV_OFFSET to exec/gen-icount.h
  target/xtensa: Use env_cpu, env_archcpu
  target/unicore32: Use env_cpu, env_archcpu
  target/tricore: Use env_cpu
  target/tilegx: Use env_cpu
  target/sparc: Use env_cpu, env_archcpu
  target/sh4: Use env_cpu, env_archcpu
  target/s390x: Use env_cpu, env_archcpu
  target/riscv: Use env_cpu, env_archcpu
  target/ppc: Use env_cpu, env_archcpu
  target/openrisc: Use env_cpu, env_archcpu
  target/nios2: Use env_cpu, env_archcpu
  ...

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