[LLVMdev] buildbot with -vectorize

Tobias Grosser tobias at grosser.es
Thu Jun 28 08:06:40 PDT 2012


On 06/28/2012 05:04 PM, Hal Finkel wrote:
> On Thu, 28 Jun 2012 16:04:38 +0200
> Tobias Grosser<tobias at grosser.es>  wrote:
>
>> On 06/28/2012 02:51 PM, Hal Finkel wrote:
>>> On Sun, 24 Jun 2012 14:44:45 +0200
>>> Tobias Grosser<tobias at grosser.es>   wrote:
>>>
>> [..]
>>
>>> Also, since you're running these on an x86_64 machine, and I think
>>> they don't have unaligned vector load/stores, you should probably
>>> add -mllvm -bb-vectorize-aligned-only to the target flags.
>>
>> What about MOVUPS and MOVUPD?
>
> Good point. Never mind. I suppose those can be used for the integer
> vectors too.

To my knowledge, integer vectors only make sense starting from AVX2. 
Before, integer vector operations are not really well supported on x86.

Tobi




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