Re: [testsuite] arm tests: remove -march= and dg-prune-output from 3 tests

[Richard Earnshaw <rearnsha@arm.com>]

On 07/07/11 17:30, Janis Johnson wrote:
> On 07/07/2011 09:14 AM, Richard Earnshaw wrote:
>> On 07/07/11 00:26, Janis Johnson wrote:
>>> Index: gcc.target/arm/xor-and.c
>>> ===================================================================
>>> --- gcc.target/arm/xor-and.c	(revision 175921)
>>> +++ gcc.target/arm/xor-and.c	(working copy)
>>> @@ -1,6 +1,5 @@
>>>  /* { dg-do compile } */
>>> -/* { dg-options "-O -march=armv6" } */
>>> -/* { dg-prune-output "switch .* conflicts with" } */
>>> +/* { dg-options "-O" } */
>>>  
>>>  unsigned short foo (unsigned short x)
>>>  {
>>
>> The purpose of this test seems to be to ensure that when compiling for
>> v6 we don't get particular instructions.  Removing the -march flag means
>> we won't normally test this in the way intended (ie unless the multilibs
>> explicitly test v6).  This is one of those cases where I think the
>> intention really is to force one particular instruction set.
>>
>> R.
> 
> It passes everywhere, do you want to know when it stops passing for some
> other multilib, or just care about armv6?  If you only care about armv6
> then the test should be limited to run with the default multilib instead
> of having to muck around checking for incompatible options.
> 

We only care about v6 here, I think.  There aren't really any multilib
issues, since it's a compile-only test.  I don't mind not testing it for
non-default multilibs, but it should be marked as 'skipped' or recorded
in some other way, so that the total number of tests is the same for
each variant.

BTW, can the testsuite ever be run with no default multilib?  If so,
then I don't think we should always skip the test.

R.