Re: [Qemu-devel] [PATCH for-3.1 0/7] target/ppc fp cleanups

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

Programmingkid <programmingkidx@gmail.com> writes:

>> On Jul 4, 2018, at 11:39 AM, Alex Bennée <alex.bennee@linaro.org> wrote:
>>
>>
>> Programmingkid <programmingkidx@gmail.com> writes:
>>
>>>> On Jul 4, 2018, at 10:15 AM, Alex Bennée <alex.bennee@linaro.org> wrote:
>>>>
>>>>
>>>> Richard Henderson <richard.henderson@linaro.org> writes:
>>>>
>>>>>
>>>>> Anyway, all of this has been broken long enough that it'll need to
>>>>> wait til next devel cycle before anything further gets done.
>>>>
>>>> When it gets done should we add some explicit ppc tests to tests/tcg/ppc
>>>> like we did with arm64 fcvt or would it be worth spending more time on
>>>> the general purpose FP test suite Emilio was working on as part of his
>>>> hard-float series?
>>>
>>> My vote goes to adding PowerPC specific tests. I already made some and sent them to the list a couple of days ago. A general purpose floating point test suite would probably not be able to test things like PowerPC floating point flags.
>>>
>>> I'm not certain how we would add floating point tests to QEMU. I'm
>>> guessing it would involve some kind of bootable image file that would
>>> load and run the tests. Hopefully there is an easier way to implement
>>> testing.
>>
>> You don't need system tests - this is all testable from linux-user. See
>> tests/tcg/arm/fcvt.c and the .ref files in arm and aarch64 directories.
>> Assuming the test isn't insane (like test-i386-fprem) we can just add a
>> reference output recorded on know good hardware.
>
> My hope is to make testing the floating point unit as easy as 'make
> test' or maybe 'make fp-test'.

That would be "make check-tcg"


--
Alex Bennée