Re: [PATCH 10/27] Replace config-time define HOST_WORDS_BIGENDIAN

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On Wed, Mar 16, 2022 at 5:04 PM Philippe Mathieu-Daudé
<philippe.mathieu.daude@xxxxxxxxx> wrote:
>
> On 16/3/22 10:53, marcandre.lureau@xxxxxxxxxx wrote:
> > From: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
> >
> > Replace a config-time define with a compile time condition
> > define (compatible with clang and gcc) that must be declared prior to
> > its usage. This avoids having a global configure time define, but also
> > prevents from bad usage, if the config header wasn't included before.
> >
> > This can help to make some code independent from qemu too.
> >
> > gcc supports __BYTE_ORDER__ from about 4.6 and clang from 3.2.
> >
> > Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
> > ---
> >   meson.build                             |  1 -
> >   accel/tcg/atomic_template.h             |  4 +-
> >   audio/audio.h                           |  2 +-
> >   hw/display/pl110_template.h             |  6 +--
> >   hw/net/can/ctucan_core.h                |  2 +-
> >   hw/net/vmxnet3.h                        |  4 +-
> >   include/exec/cpu-all.h                  |  4 +-
> >   include/exec/cpu-common.h               |  2 +-
> >   include/exec/memop.h                    |  2 +-
> >   include/exec/memory.h                   |  2 +-
> >   include/fpu/softfloat-types.h           |  2 +-
> >   include/hw/core/cpu.h                   |  2 +-
> >   include/hw/i386/intel_iommu.h           |  6 +--
> >   include/hw/i386/x86-iommu.h             |  4 +-
> >   include/hw/virtio/virtio-access.h       |  6 +--
> >   include/hw/virtio/virtio-gpu-bswap.h    |  2 +-
> >   include/libdecnumber/dconfig.h          |  2 +-
> >   include/net/eth.h                       |  2 +-
> >   include/qemu/bswap.h                    |  8 ++--
> >   include/qemu/compiler.h                 |  2 +
> >   include/qemu/host-utils.h               |  2 +-
> >   include/qemu/int128.h                   |  2 +-
> >   include/ui/qemu-pixman.h                |  2 +-
> >   net/util.h                              |  2 +-
> >   target/arm/cpu.h                        |  8 ++--
> >   target/arm/translate-a64.h              |  2 +-
> >   target/arm/vec_internal.h               |  2 +-
> >   target/i386/cpu.h                       |  2 +-
> >   target/mips/cpu.h                       |  2 +-
> >   target/ppc/cpu.h                        |  2 +-
> >   target/s390x/tcg/vec.h                  |  2 +-
> >   target/xtensa/cpu.h                     |  2 +-
> >   tests/fp/platform.h                     |  4 +-
> >   accel/kvm/kvm-all.c                     |  4 +-
> >   audio/dbusaudio.c                       |  2 +-
> >   disas.c                                 |  2 +-
> >   hw/core/loader.c                        |  4 +-
> >   hw/display/artist.c                     |  6 +--
> >   hw/display/pxa2xx_lcd.c                 |  2 +-
> >   hw/display/vga.c                        | 12 +++---
> >   hw/display/virtio-gpu-gl.c              |  2 +-
> >   hw/s390x/event-facility.c               |  2 +-
> >   hw/virtio/vhost.c                       |  2 +-
> >   linux-user/arm/nwfpe/double_cpdo.c      |  4 +-
> >   linux-user/arm/nwfpe/fpa11_cpdt.c       |  4 +-
> >   linux-user/ppc/signal.c                 |  3 +-
> >   linux-user/syscall.c                    |  6 +--
> >   net/net.c                               |  4 +-
> >   target/alpha/translate.c                |  2 +-
> >   target/arm/crypto_helper.c              |  2 +-
> >   target/arm/helper.c                     |  2 +-
> >   target/arm/kvm64.c                      |  4 +-
> >   target/arm/neon_helper.c                |  2 +-
> >   target/arm/sve_helper.c                 |  4 +-
> >   target/arm/translate-sve.c              |  6 +--
> >   target/arm/translate-vfp.c              |  2 +-
> >   target/arm/translate.c                  |  2 +-
> >   target/hppa/translate.c                 |  2 +-
> >   target/i386/tcg/translate.c             |  2 +-
> >   target/mips/tcg/lmmi_helper.c           |  2 +-
> >   target/mips/tcg/msa_helper.c            | 54 ++++++++++++-------------
> >   target/ppc/arch_dump.c                  |  2 +-
> >   target/ppc/int_helper.c                 | 22 +++++-----
> >   target/ppc/kvm.c                        |  4 +-
> >   target/ppc/mem_helper.c                 |  2 +-
> >   target/riscv/vector_helper.c            |  2 +-
> >   target/s390x/tcg/translate.c            |  2 +-
> >   target/sparc/vis_helper.c               |  4 +-
> >   tcg/tcg-op.c                            |  4 +-
> >   tcg/tcg.c                               | 12 +++---
> >   tests/qtest/vhost-user-blk-test.c       |  2 +-
> >   tests/qtest/virtio-blk-test.c           |  2 +-
> >   ui/vdagent.c                            |  2 +-
> >   ui/vnc.c                                |  2 +-
> >   util/bitmap.c                           |  2 +-
> >   util/host-utils.c                       |  2 +-
> >   target/ppc/translate/vmx-impl.c.inc     |  4 +-
> >   target/ppc/translate/vsx-impl.c.inc     |  2 +-
> >   target/riscv/insn_trans/trans_rvv.c.inc |  4 +-
> >   target/s390x/tcg/translate_vx.c.inc     |  2 +-
> >   tcg/aarch64/tcg-target.c.inc            |  4 +-
> >   tcg/arm/tcg-target.c.inc                |  4 +-
> >   tcg/mips/tcg-target.c.inc               |  2 +-
> >   tcg/ppc/tcg-target.c.inc                | 10 ++---
> >   tcg/riscv/tcg-target.c.inc              |  4 +-
> >   85 files changed, 173 insertions(+), 173 deletions(-)
> >
> > diff --git a/meson.build b/meson.build
> > index f20712cb93d7..88df1bc42973 100644
> > --- a/meson.build
> > +++ b/meson.build
> > @@ -1591,7 +1591,6 @@ config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2]
> >
> >   config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
> >   config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
> > -config_host_data.set('HOST_WORDS_BIGENDIAN', host_machine.endian() == 'big')
>
> Can we poison HOST_WORDS_BIGENDIAN definition to force cleaning old
> patches before merging them?
>

Sure, next patch :)





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