Merge tag 'pull-tcg-20230423' of https://gitlab.com/rth7680/qemu into staging

Merge tag 'pull-tcg-20230423' of https://gitlab.com/rth7680/qemu into staging

tcg cleanups:
  - Remove tcg_abort()
  - Split out extensions as known backend interfaces
  - Put the separate extensions together as tcg_out_movext
  - Introduce tcg_out_xchg as a backend interface
  - Clear TCGLabelQemuLdst on allocation
  - Avoid redundant extensions for riscv

# -----BEGIN PGP SIGNATURE-----
#
# iQFRBAABCgA7FiEEekgeeIaLTbaoWgXAZN846K9+IV8FAmRE69sdHHJpY2hhcmQu
# aGVuZGVyc29uQGxpbmFyby5vcmcACgkQZN846K9+IV/6jQf6Al9cgeJ6guVMpoRS
# +sXaTs5U2yaqRvz5gGn2ANFuFgD2QanbWHjS5guTnhbsvq3icyOCpIXIPg/Z04LB
# fTgAUCF5ut8U8C12HyGq/p4BFoTTWnCGPwY+PB9pMb5LiEcmaSUUz+fSA8xMX1b6
# EylI8YNd74A9j5PBNbGIXooj8llM71p9YztwQ9V7sPH3ZON4qbPRDgrJsb5TngMa
# daTpGoW+A9UyG7z0Ie6UuiOyYAzeQqm64WmMlc7UYeb9lL+yxvCq4+MXH2V/SKqg
# GLOF95DCdqj1EeZCOt0aN1ybZPcYFFkmpXrD1iLu0Mhy7Qo/vghX/eFoFnLleD+Y
# yM+LTg==
# =d2hZ
# -----END PGP SIGNATURE-----
# gpg: Signature made Sun 23 Apr 2023 09:27:07 AM BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-tcg-20230423' of https://gitlab.com/rth7680/qemu:
  tcg/riscv: Conditionalize tcg_out_exts_i32_i64
  tcg: Clear TCGLabelQemuLdst on allocation
  tcg: Introduce tcg_out_xchg
  tcg: Introduce tcg_out_movext
  tcg: Split out tcg_out_extrl_i64_i32
  tcg: Split out tcg_out_extu_i32_i64
  tcg: Split out tcg_out_exts_i32_i64
  tcg: Split out tcg_out_ext32u
  tcg: Split out tcg_out_ext32s
  tcg: Split out tcg_out_ext16u
  tcg: Split out tcg_out_ext16s
  tcg: Split out tcg_out_ext8u
  tcg: Split out tcg_out_ext8s
  tcg: Replace tcg_abort with g_assert_not_reached
  tcg: Replace if + tcg_abort with tcg_debug_assert

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>