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Thomas Huth authored
For compiling with -Wimplicit-fallthrough we need to fix the
fallthrough annotations in the libvixl code. This is based on
the following upstream vixl commit by Martyn Capewell:

 https://git.linaro.org/arm/vixl.git/commit/?id=de326f850f736c3a337



 "GCC 7 enables switch/case fallthrough checking, but this fails in
  VIXL, because the annotation we use is Clang specific.

  Also, fix a missing annotation in the disassembler."

Signed-off-by: default avatarThomas Huth <thuth@redhat.com>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Message-Id: <20201211152426.350966-2-thuth@redhat.com>
Signed-off-by: default avatarThomas Huth <thuth@redhat.com>
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The code in this directory is a subset of libvixl:
 https://github.com/armvixl/vixl
(specifically, it is the set of files needed for disassembly only,
taken from libvixl 1.12).
Bugfixes should preferably be sent upstream initially.

The disassembler does not currently support the entire A64 instruction
set. Notably:
 * Limited support for system instructions.
 * A few miscellaneous integer and floating point instructions are missing.