[PATCH 00/12] Compile QEMU with -Wimplicit-fallthrough

[Thomas Huth]

Coverity is already reporting switch-case statements where code
can fall through from one case to another without a proper comment
(since this could indicate a missing "break" and thus a bug).
However, it's cumbersome to fix these issues after they have been
merged already, it would be better if the author of the code would
already take care of this when writing the patch. Fortunately,
GCC and Clang can already warn about those code spots, too.
So let's fix our remaining statements that fall through without
a proper comment, so we can finally turn on -Wimplicit-fallthrough
for all compilation runs.

Chen Qun (6):
  hw/timer/renesas_tmr: silence the compiler warnings
  target/i386: silence the compiler warnings in gen_shiftd_rm_T1
  hw/intc/arm_gicv3_kvm: silence the compiler warnings
  accel/tcg/user-exec: silence the compiler warnings
  target/sparc/translate: silence the compiler warnings
  target/sparc/win_helper: silence the compiler warnings

Thomas Huth (6):
  disas/libvixl: Fix fall-through annotation for GCC >= 7
  target/unicore32/translate: Add missing fallthrough annotations
  hw/rtc/twl92230: Silence warnings about missing fallthrough statements
  tcg/optimize: Add fallthrough annotations
  tests/fp: Do not emit implicit-fallthrough warnings in the softfloat
    tests
  configure: Compile with -Wimplicit-fallthrough=2

 accel/tcg/user-exec.c                |  3 +-
 configure                            |  1 +
 disas/libvixl/vixl/a64/disasm-a64.cc |  4 +++
 disas/libvixl/vixl/globals.h         |  6 ++--
 hw/intc/arm_gicv3_kvm.c              |  8 ++++++
 hw/rtc/twl92230.c                    | 43 +++++++++-------------------
 hw/timer/renesas_tmr.c               |  1 +
 include/qemu/compiler.h              | 11 +++++++
 target/i386/translate.c              |  7 +++--
 target/sparc/translate.c             |  2 +-
 target/sparc/win_helper.c            |  2 +-
 target/unicore32/translate.c         |  2 ++
 tcg/optimize.c                       |  4 +++
 tests/fp/meson.build                 |  2 ++
 14 files changed, 59 insertions(+), 37 deletions(-)

-- 
2.27.0