Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-next-260919-1' into staging

Testing updates plus alpha FP fixes:

- fix alpha handling of FtoI overflow
- various docker cleanups

Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-next-260919-1' into staging

Testing updates plus alpha FP fixes:

- fix alpha handling of FtoI overflow
- various docker cleanups
- fix docker.py cleanup race
- fix podman invocation
- tests/tcg: add float and record/replay tests
- remove unused docker images
- expand documentation for check-tcg

# gpg: Signature made Thu 26 Sep 2019 19:33:38 BST
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-testing-next-260919-1: (28 commits)
tests/docker: remove debian-powerpc-user-cross
docker: move tests from python2 to python3
docker: remove unused debian-sid
docker: remove unused debian-ports
docker: remove 'deprecated' image definitions
docker: remove unused debian8 partial image
docker: remove debian8-mxe definitions
target/i386: Fix broken build with WHPX enabled
docs/devel: add "check-tcg" to testing.rst
configure: preserve PKG_CONFIG for subdir builds
tests/tcg: add simple record/replay smoke test for aarch64
tests/tcg: add generic version of float_convs
tests/tcg: add float_madds test to multiarch
tests/tcg: re-enable linux-test for ppc64abi32
tests/tcg: clean-up some comments after the de-tangling
podman: fix command invocation
tests/docker: reduce scary warnings by cleaning up clean up
tests/docker: remove python2.7 from debian9-mxe
tests/docker: fix DOCKER_PARTIAL_IMAGES
tests/docker: add sanitizers back to clang build
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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tests/tcg: add generic version of float_convs

This is broadly similar to the existing fcvt test for ARM but using
the generic float testing framework. We should be able to pare down
the ARM fcvt tes

tests/tcg: add generic version of float_convs

This is broadly similar to the existing fcvt test for ARM but using
the generic float testing framework. We should be able to pare down
the ARM fcvt test case to purely half-precision with or without the
Alt HP provision.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>

show more ...