Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210317' into staging

TCI argument extraction helpers and disassembler
TCG build fix for gcc 11

# gpg: Signature made Wed 17 Mar 2021 15:29:47 GMT
# 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-gitlab/tags/pull-tcg-20210317: (38 commits)
  tcg: Fix prototypes for tcg_out_vec_op and tcg_out_op
  tcg/tci: Split out tcg_out_op_r[iI]
  tcg/tci: Split out tcg_out_op_v
  tcg/tci: Split out tcg_out_op_{rrm,rrrm,rrrrm}
  tcg/tci: Split out tcg_out_op_rrrrcl
  tcg/tci: Split out tcg_out_op_rrrr
  tcg/tci: Split out tcg_out_op_rrrrrr
  tcg/tci: Split out tcg_out_op_rrcl
  tcg/tci: Split out tcg_out_op_rrrbb
  tcg/tci: Split out tcg_out_op_rrrrrc
  tcg/tci: Split out tcg_out_op_rrrc
  tcg/tci: Split out tcg_out_op_rrr
  tcg/tci: Split out tcg_out_op_rr
  tcg/tci: Split out tcg_out_op_p
  tcg/tci: Split out tcg_out_op_l
  tcg/tci: Split out tcg_out_op_rrs
  tcg/tci: Push opcode emit into each case
  tcg/tci: Implement the disassembler properly
  tcg/tci: Remove tci_disas
  tcg/tci: Hoist op_size checking into tci_args_*
  ...

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