Re: [PATCH v1 4/4] .travis.yml: reduce the load on [ppc64] GCC check-tcg

["Alex Bennée" <alex.bennee@linaro.org>]

Richard Henderson <richard.henderson@linaro.org> writes:

> On 5/3/20 7:10 PM, David Gibson wrote:
>>>>>           - TEST_CMD="make check check-tcg V=1"
>>>>> -        - CONFIG="--disable-containers --target-list=${MAIN_SOFTMMU_TARGETS},ppc64le-linux-user"
>>>>> +        - CONFIG="--disable-containers --target-list=ppc64-softmmu,ppc64le-linux-user"
>>>>
>>>> Cc'ing David, since I'm not sure about this one... Maybe split as we
>>>> did with other jobs?
> ...
>> Hrm.  I'd prefer not to drop this coverage if we can avoid it.  What
>> we're not testing with the proposed patch is TCG generation for a ppc
>> host but a non-ppc target.  e.g. if the x86 or ARM target side generates
>> some pattern of TCG ops that's very rare for the ppc target, and is
>> buggy in the ppc host side.
>
> Are we actually testing those here?  As far as I can see, we're not installing
> any cross-compilers here, so we're not building any non-ppc binaries.  Nor are
> we running check-acceptance which would download pre-built foreign
> binaries.

We are testing the very minimal boot stubs that each -system binary has
in qtest but they are hardly going to be exercising the majority of the
TCG. Basically the $SELF-linux-user is going to be exercising more of
the TCG than anything else.

>
>
> r~


-- 
Alex Bennée