[Patch AArch64] Add support for vectorizable standard math patterns.

Marcus Shawcroft marcus.shawcroft@arm.com
Mon Dec 3 16:43:00 GMT 2012


On 27/11/12 20:47, Mike Stump wrote:
> On Nov 27, 2012, at 8:51 AM, James Greenhalgh <james.greenhalgh@arm.com> wrote:
>> In particular, we add support for vectorizing across:
>>
>> ceil (), ceilf (), lceil (),
>
>> We add testcases ensuring that each of the expected functions are
>> vectorized. As the i386 and rs6000 backends both ostensibly support
>> these optimisations we add these tests to the generic testsuites, but
>> only wire them up for AArch64. As a target may support any subset of
>> these vectorizations we need a check_effective_target macro for
>> each of them.
>>
>> Because of this change to the generic test code I've CCed Janis
>> Johnson and Mike Stump.
>
> Gosh…  leaves a bad taste in my mouth.    I see why you did it that way…  So, let me just ping folks, anyone see a better way to do this?  If no one admits to having a better solution, I'll approve it.  Let's give them a few days to come up with something concrete, if they fail, Ok.
>


Mike, Are you happy to go with the proposal from James or would like to 
give folk more time to think this one over?

Cheers
/Marcus




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