[PATCH v2 00/11] Atomic cleanup + clang-12 build fix

[Richard Henderson]

This is intended to fix building with clang-12 on i386.

Version 2 bears little relation to version 1, in that I no longer
turn off the warning, which merely hid the problem until link time
failed to find libatomic symbols.

In the process, I found bugs wrt handling of guest memory in target/
with respect to atomics, fixed by unifying the api between softmmu
and user-only and removing some ifdefs under target/.

Unification of the api allowed some further cleanups.

I think that patches 1-6 fix all of the bugs, and that 7-11 are only
cleanup and could be left to next cycle.


r~


Richard Henderson (11):
  qemu/atomic: Use macros for CONFIG_ATOMIC64
  qemu/atomic: Simplify typeof_strip_qual
  qemu/atomic: Remove pre-C11 atomic fallbacks
  qemu/atomic: Add aligned_{int64,uint64}_t types
  tcg: Rename helper_atomic_*_mmu and provide for user-only
  accel/tcg: Standardize atomic helpers on softmmu api
  accel/tcg: Fold EXTRA_ARGS into atomic_template.h
  accel/tcg: Remove ATOMIC_MMU_DECLS
  accel/tcg: Expand ATOMIC_MMU_LOOKUP_*
  trace: Fold mem-internal.h into mem.h
  accel/tcg: Push trace info building into atomic_common.c.inc

 configure                     |   7 -
 accel/tcg/atomic_template.h   | 141 ++++++++---------
 accel/tcg/tcg-runtime.h       |  46 ------
 include/qemu/atomic.h         | 284 ++++------------------------------
 include/qemu/stats64.h        |   2 +-
 include/tcg/tcg.h             |  78 +++++-----
 softmmu/timers-state.h        |   2 +-
 trace/mem-internal.h          |  50 ------
 trace/mem.h                   |  50 ++++--
 accel/tcg/cputlb.c            |  49 +-----
 accel/tcg/user-exec.c         |  41 ++---
 linux-user/hppa/cpu_loop.c    |   2 +-
 target/arm/helper-a64.c       |   8 +-
 target/i386/tcg/mem_helper.c  |  15 +-
 target/m68k/op_helper.c       |  19 +--
 target/ppc/mem_helper.c       |  16 +-
 target/s390x/tcg/mem_helper.c |  19 +--
 tcg/tcg-op.c                  |  47 +-----
 util/qsp.c                    |   4 +-
 accel/tcg/atomic_common.c.inc | 107 +++++++++++--
 20 files changed, 324 insertions(+), 663 deletions(-)
 delete mode 100644 trace/mem-internal.h

-- 
2.25.1