[PULL 00/34] tcg patch queue

[Richard Henderson <richard.henderson@linaro.org>]

This is mostly my code_gen_buffer cleanup, plus a few other random
changes thrown in.  Including a fix for a recent float32_exp2 bug.


r~


The following changes since commit 894fc4fd670aaf04a67dc7507739f914ff4bacf2:

  Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging (2021-06-11 09:21:48 +0100)

are available in the Git repository at:

  https://gitlab.com/rth7680/qemu.git tags/pull-tcg-20210611

for you to fetch changes up to 60afaddc208d34f6dc86dd974f6e02724fba6eb6:

  docs/devel: Explain in more detail the TB chaining mechanisms (2021-06-11 09:41:25 -0700)

----------------------------------------------------------------
Clean up code_gen_buffer allocation.
Add tcg_remove_ops_after.
Fix tcg_constant_* documentation.
Improve TB chaining documentation.
Fix float32_exp2.

----------------------------------------------------------------
Jose R. Ziviani (1):
      tcg/arm: Fix tcg_out_op function signature

Luis Pires (1):
      docs/devel: Explain in more detail the TB chaining mechanisms

Richard Henderson (32):
      meson: Split out tcg/meson.build
      meson: Split out fpu/meson.build
      tcg: Re-order tcg_region_init vs tcg_prologue_init
      tcg: Remove error return from tcg_region_initial_alloc__locked
      tcg: Split out tcg_region_initial_alloc
      tcg: Split out tcg_region_prologue_set
      tcg: Split out region.c
      accel/tcg: Inline cpu_gen_init
      accel/tcg: Move alloc_code_gen_buffer to tcg/region.c
      accel/tcg: Rename tcg_init to tcg_init_machine
      tcg: Create tcg_init
      accel/tcg: Merge tcg_exec_init into tcg_init_machine
      accel/tcg: Use MiB in tcg_init_machine
      accel/tcg: Pass down max_cpus to tcg_init
      tcg: Introduce tcg_max_ctxs
      tcg: Move MAX_CODE_GEN_BUFFER_SIZE to tcg-target.h
      tcg: Replace region.end with region.total_size
      tcg: Rename region.start to region.after_prologue
      tcg: Tidy tcg_n_regions
      tcg: Tidy split_cross_256mb
      tcg: Move in_code_gen_buffer and tests to region.c
      tcg: Allocate code_gen_buffer into struct tcg_region_state
      tcg: Return the map protection from alloc_code_gen_buffer
      tcg: Sink qemu_madvise call to common code
      util/osdep: Add qemu_mprotect_rw
      tcg: Round the tb_size default from qemu_get_host_physmem
      tcg: Merge buffer protection and guard page protection
      tcg: When allocating for !splitwx, begin with PROT_NONE
      tcg: Move tcg_init_ctx and tcg_ctx from accel/tcg/
      tcg: Introduce tcg_remove_ops_after
      tcg: Fix documentation for tcg_constant_* vs tcg_temp_free_*
      softfloat: Fix tp init in float32_exp2

 docs/devel/tcg.rst        | 101 ++++-
 meson.build               |  12 +-
 accel/tcg/internal.h      |   2 +
 include/qemu/osdep.h      |   1 +
 include/sysemu/tcg.h      |   2 -
 include/tcg/tcg.h         |  28 +-
 tcg/aarch64/tcg-target.h  |   1 +
 tcg/arm/tcg-target.h      |   1 +
 tcg/i386/tcg-target.h     |   2 +
 tcg/mips/tcg-target.h     |   6 +
 tcg/ppc/tcg-target.h      |   2 +
 tcg/riscv/tcg-target.h    |   1 +
 tcg/s390/tcg-target.h     |   3 +
 tcg/sparc/tcg-target.h    |   1 +
 tcg/tcg-internal.h        |  40 ++
 tcg/tci/tcg-target.h      |   1 +
 accel/tcg/tcg-all.c       |  32 +-
 accel/tcg/translate-all.c | 439 +-------------------
 bsd-user/main.c           |   3 +-
 fpu/softfloat.c           |   2 +-
 linux-user/main.c         |   1 -
 tcg/region.c              | 999 ++++++++++++++++++++++++++++++++++++++++++++++
 tcg/tcg.c                 | 649 +++---------------------------
 util/osdep.c              |   9 +
 tcg/arm/tcg-target.c.inc  |   3 +-
 fpu/meson.build           |   1 +
 tcg/meson.build           |  14 +
 27 files changed, 1266 insertions(+), 1090 deletions(-)
 create mode 100644 tcg/tcg-internal.h
 create mode 100644 tcg/region.c
 create mode 100644 fpu/meson.build
 create mode 100644 tcg/meson.build