[PATCH] Disable load/store vectorization for types with padding bytes

[Nadav Rotem]

On Apr 24, 2013, at 2:19 AM, Daisuke Takahashi <dtakahashi42 at gmail.com> wrote:

> In my understanding, the cost model gives up the vectorization when above conditions are met. My patch says there are two different conditions that the optimizer should not vectorize memory instructions,
> 1. the target pointer is not an array (I suppose, stride == 0),
> 2. the size of array and vector elements are different (the new one).
> Those conditions seems to be independent, and both conditions should be concerned.

Yes, you are correct, stride==0 means that we were not able to find the stride and we need to scalarize. 

Thanks,
Nadav
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