Merge tag 'pull-tcg-20230523-3' of https://gitlab.com/rth7680/qemu into staging

util: Host cpu detection for x86 and aa64
util: Use cpu detection for bufferiszero
migration: Use cpu detection for xbzrle
tcg: Replace and remove cpu_atomic_{ld,st}o*
host/include: Split qemu/atomic128.h
tcg: Remove DEBUG_DISAS
tcg: Remove USE_TCG_OPTIMIZATIONS

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* tag 'pull-tcg-20230523-3' of https://gitlab.com/rth7680/qemu: (28 commits)
  tcg: Remove USE_TCG_OPTIMIZATIONS
  tcg: Remove DEBUG_DISAS
  qemu/atomic128: Add runtime test for FEAT_LSE2
  qemu/atomic128: Improve cmpxchg fallback for atomic16_set
  tcg: Split out tcg/debug-assert.h
  accel/tcg: Correctly use atomic128.h in ldst_atomicity.c.inc
  qemu/atomic128: Split atomic16_read
  accel/tcg: Eliminate #if on HAVE_ATOMIC128 and HAVE_CMPXCHG128
  accel/tcg: Remove prot argument to atomic_mmu_lookup
  accel/tcg: Remove cpu_atomic_{ld,st}o_*_mmu
  target/s390x: Always use cpu_atomic_cmpxchgl_be_mmu in do_csst
  target/s390x: Use cpu_{ld,st}*_mmu in do_csst
  accel/tcg: Unify cpu_{ld,st}*_{be,le}_mmu
  target/s390x: Use tcg_gen_qemu_{ld,st}_i128 for LPQ, STPQ
  target/ppc: Use tcg_gen_qemu_{ld,st}_i128 for LQARX, LQ, STQ
  include/qemu: Move CONFIG_ATOMIC128_OPT handling to atomic128.h
  meson: Fix detect atomic128 support with optimization
  include/host: Split out atomic128-ldst.h
  include/host: Split out atomic128-cas.h
  util: Add cpuinfo-aarch64.c
  ...

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